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Commit 19932b3b by Enrico Pozzobon
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Merge branch 'email-submissions'

parents 17e932b2 fdf0d6a8
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romulus/Implementations/crypto_aead/romulusm1+/opt32_NEC/api.h 0 → 100644
#define CRYPTO_KEYBYTES 16
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 16
#define CRYPTO_ABYTES 16
#define CRYPTO_NOOVERLAP 1
romulus/Implementations/crypto_aead/romulusm1+/opt32_NEC/encrypt.c 0 → 100644
/*
* Date: 29 November 2018
* Contact: Thomas Peyrin - thomas.peyrin@gmail.com
* Mustafa Khairallah - mustafam001@e.ntu.edu.sg
*/
#include "crypto_aead.h"
#include "api.h"
#include "skinny.h"
#include <stdio.h>
#include <stdlib.h>
void pad (const unsigned char* m, unsigned char* mp, int len8) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&mp[0]) = 0;
*(uint32_t*)(&mp[4]) = 0;
*(uint32_t*)(&mp[8]) = 0;
*(uint32_t*)(&mp[12]) = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#else
mp[0] = 0;
mp[1] = 0;
mp[2] = 0;
mp[3] = 0;
mp[4] = 0;
mp[5] = 0;
mp[6] = 0;
mp[7] = 0;
mp[8] = 0;
mp[9] = 0;
mp[10] = 0;
mp[11] = 0;
mp[12] = 0;
mp[13] = 0;
mp[14] = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#endif
}
void g8A (unsigned char* s, unsigned char* c) {
#ifdef ___ENABLE_WORD_CAST
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t s0, s1, s2, s3;
uint32_t c0, c1, c2, c3;
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#ifdef ___ENABLE_WORD_CAST
void g8A_for_Tag_Generation (unsigned char* s, unsigned char* c) {
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
// use byte access because of memory alignment.
// c is not always in word(4 byte) alignment.
c[0] = c0 &0xFF;
c[1] = (c0>>8) &0xFF;
c[2] = (c0>>16)&0xFF;
c[3] = c0>>24;
c[4] = c1 &0xFF;
c[5] = (c1>>8) &0xFF;
c[6] = (c1>>16)&0xFF;
c[7] = c1>>24;
c[8] = c2 &0xFF;
c[9] = (c2>>8) &0xFF;
c[10] = (c2>>16)&0xFF;
c[11] = c2>>24;
c[12] = c3 &0xFF;
c[13] = (c3>>8) &0xFF;
c[14] = (c3>>16)&0xFF;
c[15] = c3>>24;
}
#endif
#define rho_ad_eqov16_macro(i) \
s[i] = s[i] ^ m[i];
void rho_ad_eqov16 (
const unsigned char* m,
unsigned char* s) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&m[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&m[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&m[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&m[12]);
#else
rho_ad_eqov16_macro(0);
rho_ad_eqov16_macro(1);
rho_ad_eqov16_macro(2);
rho_ad_eqov16_macro(3);
rho_ad_eqov16_macro(4);
rho_ad_eqov16_macro(5);
rho_ad_eqov16_macro(6);
rho_ad_eqov16_macro(7);
rho_ad_eqov16_macro(8);
rho_ad_eqov16_macro(9);
rho_ad_eqov16_macro(10);
rho_ad_eqov16_macro(11);
rho_ad_eqov16_macro(12);
rho_ad_eqov16_macro(13);
rho_ad_eqov16_macro(14);
rho_ad_eqov16_macro(15);
#endif
}
#define rho_ad_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ad_ud16 (
const unsigned char* m,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
#else
rho_ad_ud16_macro(0);
rho_ad_ud16_macro(1);
rho_ad_ud16_macro(2);
rho_ad_ud16_macro(3);
rho_ad_ud16_macro(4);
rho_ad_ud16_macro(5);
rho_ad_ud16_macro(6);
rho_ad_ud16_macro(7);
rho_ad_ud16_macro(8);
rho_ad_ud16_macro(9);
rho_ad_ud16_macro(10);
rho_ad_ud16_macro(11);
rho_ad_ud16_macro(12);
rho_ad_ud16_macro(13);
rho_ad_ud16_macro(14);
rho_ad_ud16_macro(15);
#endif
}
void rho_eqov16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s) {
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#define rho_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ud16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#else
rho_ud16_macro(0);
rho_ud16_macro(1);
rho_ud16_macro(2);
rho_ud16_macro(3);
rho_ud16_macro(4);
rho_ud16_macro(5);
rho_ud16_macro(6);
rho_ud16_macro(7);
rho_ud16_macro(8);
rho_ud16_macro(9);
rho_ud16_macro(10);
rho_ud16_macro(11);
rho_ud16_macro(12);
rho_ud16_macro(13);
rho_ud16_macro(14);
rho_ud16_macro(15);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#endif
}
void irho_eqov16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s) {
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&m[0]) = m0;
*(uint32_t*)(&m[4]) = m1;
*(uint32_t*)(&m[8]) = m2;
*(uint32_t*)(&m[12]) = m3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(m[0], m[1], m[2], m[3], m0);
unpack_word(m[4], m[5], m[6], m[7], m1);
unpack_word(m[8], m[9], m[10], m[11], m2);
unpack_word(m[12], m[13], m[14], m[15], m3);
#endif
}
#define irho_ud16_macro(i) \
s[i] = s[i] ^ cp[i];
void irho_ud16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s,
int len8) {
unsigned char cp [16];
pad(c,cp,len8);
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&cp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&cp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&cp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&cp[12]);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#else
irho_ud16_macro(0);
irho_ud16_macro(1);
irho_ud16_macro(2);
irho_ud16_macro(3);
irho_ud16_macro(4);
irho_ud16_macro(5);
irho_ud16_macro(6);
irho_ud16_macro(7);
irho_ud16_macro(8);
irho_ud16_macro(9);
irho_ud16_macro(10);
irho_ud16_macro(11);
irho_ud16_macro(12);
irho_ud16_macro(13);
irho_ud16_macro(14);
irho_ud16_macro(15);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#endif
}
void reset_lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&CNT[0]) = 0x00000001; // CNT3 CNT2 CNT1 CNT0
*(uint32_t*)(&CNT[4]) = 0x00000000; // CNT7 CNT6 CNT5 CNT4
#else
CNT[0] = 0x01;
CNT[1] = 0x00;
CNT[2] = 0x00;
CNT[3] = 0x00;
CNT[4] = 0x00;
CNT[5] = 0x00;
CNT[6] = 0x00;
#endif
}
void lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
uint32_t C0;
uint32_t C1;
uint32_t fb0;
C0 = *(uint32_t*)(&CNT[0]); // CNT3 CNT2 CNT1 CNT0
C1 = *(uint32_t*)(&CNT[4]); // CNT7 CNT6 CNT5 CNT4
fb0 = 0;
if (CNT[6] & 0x80) {
fb0 = 0x95;
}
C1 = C1 << 1 | C0 >> 31;
C0 = C0 << 1 ^ fb0;
*(uint32_t*)(&CNT[0]) = C0;
*(uint32_t*)(&CNT[4]) = C1;
#else
uint32_t fb0 = CNT[6] >> 7;
CNT[6] = (CNT[6] << 1) | (CNT[5] >> 7);
CNT[5] = (CNT[5] << 1) | (CNT[4] >> 7);
CNT[4] = (CNT[4] << 1) | (CNT[3] >> 7);
CNT[3] = (CNT[3] << 1) | (CNT[2] >> 7);
CNT[2] = (CNT[2] << 1) | (CNT[1] >> 7);
CNT[1] = (CNT[1] << 1) | (CNT[0] >> 7);
if (fb0 == 1) {
CNT[0] = (CNT[0] << 1) ^ 0x95;
}
else {
CNT[0] = (CNT[0] << 1);
}
#endif
}
void block_cipher(
unsigned char* s,
const unsigned char* k, unsigned char* T,
unsigned char* CNT, unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
CNT[7] = D;
p_skinny_ctrl->func_skinny_128_384_enc(s, p_skinny_ctrl, CNT, T, k);
}
void nonce_encryption (
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
block_cipher(s,k,(unsigned char*)N,CNT,D,p_skinny_ctrl);
}
void generate_tag (
unsigned char** c, unsigned char* s,
unsigned long long* clen) {
#ifdef ___ENABLE_WORD_CAST
g8A_for_Tag_Generation(s, *c);
#else
g8A(s, *c);
#endif
*c = *c + 16;
*c = *c - *clen;
}
unsigned long long msg_encryption (
const unsigned char** M, unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* l_skinny_ctrl) {
int len8;
if (mlen >= 16) {
len8 = 16;
mlen = mlen - 16;
rho_eqov16(*M, *c, s);
}
else {
len8 = mlen;
mlen = 0;
rho_ud16(*M, *c, s, len8);
}
*c = *c + len8;
*M = *M + len8;
lfsr_gf56(CNT);
if (mlen != 0) {
nonce_encryption(N,CNT,s,k,D,l_skinny_ctrl);
}
return mlen;
}
unsigned long long msg_decryption (
unsigned char** M, const unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long clen,
skinny_ctrl* l_skinny_ctrl) {
int len8;
if (clen >= 16) {
len8 = 16;
clen = clen - 16;
irho_eqov16(*M, *c, s);
}
else {
len8 = clen;
clen = 0;
irho_ud16(*M, *c, s, len8);
}
*c = *c + len8;
*M = *M + len8;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,l_skinny_ctrl);
return clen;
}
unsigned long long ad2msg_encryption (
const unsigned char** M,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* l_skinny_ctrl) {
unsigned char T [16];
int len8;
if (mlen <= 16) {
len8 = mlen;
mlen = 0;
}
else {
len8 = 16;
mlen = mlen - 16;
}
pad (*M,T,len8);
block_cipher(s,k,T,CNT,D,l_skinny_ctrl);
lfsr_gf56(CNT);
*M = *M + len8;
return mlen;
}
unsigned long long ad_encryption (
const unsigned char** A, unsigned char* s,
const unsigned char* k, unsigned long long adlen,
unsigned char* CNT,
unsigned char D,
skinny_ctrl* l_skinny_ctrl) {
unsigned char T [16];
int len8;
if (adlen >= 16) {
len8 = 16;
adlen = adlen - 16;
rho_ad_eqov16(*A, s);
}
else {
len8 = adlen;
adlen = 0;
rho_ad_ud16(*A, s, len8);
}
*A = *A + len8;
lfsr_gf56(CNT);
if (adlen != 0) {
if (adlen >= 16) {
len8 = 16;
adlen = adlen - 16;
}
else {
len8 = adlen;
adlen = 0;
}
pad(*A, T, len8);
*A = *A + len8;
block_cipher(s,k,T,CNT,D,l_skinny_ctrl);
lfsr_gf56(CNT);
}
return adlen;
}
int crypto_aead_encrypt (
unsigned char* c, unsigned long long* clen,
const unsigned char* m, unsigned long long mlen,
const unsigned char* ad, unsigned long long adlen,
const unsigned char* nsec,
const unsigned char* npub,
const unsigned char* k) {
unsigned char s[16];
unsigned char CNT[8];
unsigned char T[16];
const unsigned char* N;
unsigned char w;
unsigned long long xlen;
skinny_ctrl l_skinny_ctrl;
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void)nsec;
N = npub;
xlen = mlen;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
w = 48;
if (adlen == 0) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 0) {
w = w ^ 8;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) < 16) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 16) {
w = w ^ 0;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else {
w = w ^ 10;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
}
else while (adlen > 0) {
adlen = ad_encryption(&ad,s,k,adlen,CNT,40,&l_skinny_ctrl);
}
if ((w & 8) == 0) {
xlen = ad2msg_encryption (&m,CNT,s,k,44,xlen,&l_skinny_ctrl);
}
else if (mlen == 0) {
lfsr_gf56(CNT);
}
while (xlen > 0) {
xlen = ad_encryption(&m,s,k,xlen,CNT,44,&l_skinny_ctrl);
}
nonce_encryption(N,CNT,s,k,w,&l_skinny_ctrl);
// Tag generation
g8A(s, T);
m = m - mlen;
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = *(uint32_t*)(&T[0]);
*(uint32_t*)(&s[4]) = *(uint32_t*)(&T[4]);
*(uint32_t*)(&s[8]) = *(uint32_t*)(&T[8]);
*(uint32_t*)(&s[12]) = *(uint32_t*)(&T[12]);
#else
s[0] = T[0];
s[1] = T[1];
s[2] = T[2];
s[3] = T[3];
s[4] = T[4];
s[5] = T[5];
s[6] = T[6];
s[7] = T[7];
s[8] = T[8];
s[9] = T[9];
s[10] = T[10];
s[11] = T[11];
s[12] = T[12];
s[13] = T[13];
s[14] = T[14];
s[15] = T[15];
#endif
*clen = mlen + 16;
if (mlen > 0) {
nonce_encryption(N,CNT,s,k,36,&l_skinny_ctrl);
while (mlen > 16) {
mlen = msg_encryption(&m,&c,N,CNT,s,k,36,mlen,&l_skinny_ctrl);
}
rho_ud16(m, c, s, mlen);
c = c + mlen;
m = m + mlen;
}
// Tag Concatenation
c[0] = T[0];
c[1] = T[1];
c[2] = T[2];
c[3] = T[3];
c[4] = T[4];
c[5] = T[5];
c[6] = T[6];
c[7] = T[7];
c[8] = T[8];
c[9] = T[9];
c[10] = T[10];
c[11] = T[11];
c[12] = T[12];
c[13] = T[13];
c[14] = T[14];
c[15] = T[15];
c = c - *clen;
return 0;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k) {
unsigned char s[16];
unsigned char CNT[8];
unsigned char T[16];
const unsigned char* N;
unsigned char w;
unsigned long long xlen;
const unsigned char* mauth;
unsigned char* p1;
unsigned char* p2;
skinny_ctrl l_skinny_ctrl;
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void)nsec;
mauth = m;
N = npub;
xlen = clen-16;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
w = 48;
if (adlen == 0) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 0) {
w = w ^ 8;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) < 16) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 16) {
w = w ^ 0;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else {
w = w ^ 10;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
}
else while (adlen > 0) {
adlen = ad_encryption(&ad,s,k,adlen,CNT,40,&l_skinny_ctrl);
}
if ((w & 8) == 0) {
xlen = ad2msg_encryption (&mauth,CNT,s,k,44,xlen,&l_skinny_ctrl);
}
else if (clen == 0) {
lfsr_gf56(CNT);
}
while (xlen > 0) {
xlen = ad_encryption(&mauth,s,k,xlen,CNT,44,&l_skinny_ctrl);
}
nonce_encryption(N,CNT,s,k,w,&l_skinny_ctrl);
// Tag generation
g8A(s, T);
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
p1 = T;
p2 = (unsigned char*)&c[clen - 16];
p1[0] = p2[0];
p1[1] = p2[1];
p1[2] = p2[2];
p1[3] = p2[3];
p1[4] = p2[4];
p1[5] = p2[5];
p1[6] = p2[6];
p1[7] = p2[7];
p1[8] = p2[8];
p1[9] = p2[9];
p1[10] = p2[10];
p1[11] = p2[11];
p1[12] = p2[12];
p1[13] = p2[13];
p1[14] = p2[14];
p1[15] = p2[15];
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = *(uint32_t*)(&T[0]);
*(uint32_t*)(&s[4]) = *(uint32_t*)(&T[4]);
*(uint32_t*)(&s[8]) = *(uint32_t*)(&T[8]);
*(uint32_t*)(&s[12]) = *(uint32_t*)(&T[12]);
#else
s[0] = T[0];
s[1] = T[1];
s[2] = T[2];
s[3] = T[3];
s[4] = T[4];
s[5] = T[5];
s[6] = T[6];
s[7] = T[7];
s[8] = T[8];
s[9] = T[9];
s[10] = T[10];
s[11] = T[11];
s[12] = T[12];
s[13] = T[13];
s[14] = T[14];
s[15] = T[15];
#endif
clen = clen - 16;
*mlen = clen;
if (clen > 0) {
nonce_encryption(N,CNT,s,k,36,&l_skinny_ctrl);
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
while (clen > 16) {
clen = msg_decryption(&m,&c,N,CNT,s,k,36,clen,&l_skinny_ctrl);
}
irho_ud16(m, c, s, clen);
c = c + clen;
m = m + clen;
}
for (int i = 0; i < 16; i++) {
if (T[i] != (*(c+i))) {
return -1;
}
}
return 0;
}
romulus/Implementations/crypto_aead/romulusm1+/opt32_NEC/skinny.h 0 → 100644
#define ___SKINNY_LOOP
//#define ___NUM_OF_ROUNDS_56
#define ___ENABLE_WORD_CAST
#include <stdint.h>
typedef struct ___skinny_ctrl {
#ifdef ___NUM_OF_ROUNDS_56
uint32_t roundKeys[240]; // number of rounds : 56
#else
uint32_t roundKeys[176]; // number of rounds : 40
#endif
void (*func_skinny_128_384_enc)(unsigned char*, struct ___skinny_ctrl*, unsigned char* CNT, unsigned char* T, const unsigned char* K);
} skinny_ctrl;
extern void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
#define pack_word(x0, x1, x2, x3, w) \
w = ((x3) << 24) ^ \
((x2) << 16) ^ \
((x1) << 8) ^ \
(x0);
#define unpack_word(x0, x1, x2, x3, w) \
x0 = ((w) & 0xff); \
x1 = (((w) >> 8) & 0xff); \
x2 = (((w) >> 16) & 0xff); \
x3 = ((w) >> 24);
#define PERMUTATION() \
/* permutation */ \
\
/* 7 6 5 4 3 2 1 0 */ \
/* 5 7 2 3 6 0 4 1 */ \
\
/* w0 (3 2 1 0) */ \
/* w1 (7 6 5 4) */ \
\
/* w0 (6 0 4 1) */ \
/* w1 (5 7 2 3) */ \
\
t0 = w1 << 8; /* 6 5 4 - */ \
t0 = t0 & 0xff00ff00; /* 6 - 4 - */ \
\
t1 = w1 << 16; /* 5 4 - - */ \
t1 = t1 & 0xff000000; /* 5 - - - */ \
\
t2 = w1 & 0xff000000; /* 7 - - - */ \
t2 = t2 >> 8; /* - 7 - - */ \
t1 = t1 ^ t2; /* 5 7 - - */ \
\
t2 = w0 & 0xff000000; /* 3 - - - */ \
t2 = t2 >> 24; /* - - - 3 */ \
t1 = t1 ^ t2; /* 5 7 - 3 */ \
\
w1 = w0 >> 8; /* - 3 2 1 */ \
w1 = w1 & 0x0000ff00; /* - - 2 - */ \
w1 = w1 ^ t1; /* 5 7 2 3 */ \
\
t2 = w0 & 0x0000ff00; /* - - 1 - */ \
t2 = t2 >> 8; /* - - - 1 */ \
t0 = t0 ^ t2; /* 6 - 4 1 */ \
\
w0 = w0 << 16; /* 1 0 - - */ \
w0 = w0 & 0x00ff0000; /* - 0 - - */ \
w0 = w0 ^ t0; /* 6 0 4 1 */
romulus/Implementations/crypto_aead/romulusm1+/opt32_NEC/skinny_key_schedule2.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* load * AC(c0 c1) ^ TK3
* calc AC(c0 c1) ^ TK2 -> store
* ART(TK2)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK2() \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK2) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x6 x5 x4 x3 x2 x1 x0 x7^x5) */ \
w0 = ((w0 << 1) & 0xfefefefe) ^ \
(((w0 >> 7) ^ (w0 >> 5)) & 0x01010101); \
w1 = ((w1 << 1) & 0xfefefefe) ^ \
(((w1 >> 7) ^ (w1 >> 5)) & 0x01010101); \
\
/* Load TK3 */ \
/* TK2^TK3^AC(c0 c1) */ \
/* store */ \
*tk2++ = w0 ^ *tk3++; \
*tk2++ = w1 ^ *tk3++; \
tk2 += 2; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 41th,43th, ... ,51th,53th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
}
#else
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
PERMUTATION_TK2();
}
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
PERMUTATION_TK2();
}
}
#endif
romulus/Implementations/crypto_aead/romulusm1+/opt32_NEC/skinny_key_schedule3.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* AC(c0 c1) ^ TK3 -> store
* ART(TK3)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK3(c0Val, c1Val) \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK3) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x0^x6 x7 x6 x5 x4 x3 x2 x1) */ \
w0 = ((w0 >> 1) & 0x7f7f7f7f) ^ \
(((w0 << 7) ^ (w0 << 1)) & 0x80808080); \
w1 = ((w1 >> 1) & 0x7f7f7f7f) ^ \
(((w1 << 7) ^ (w1 << 1)) & 0x80808080); \
\
/* K3^AC(c0 c1) */ \
/* store */ \
*tk3++ = w0 ^ c0Val; \
*tk3++ = w1 ^ c1Val; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK3(0x7, 0x000);
PERMUTATION_TK3(0xf, 0x100);
PERMUTATION_TK3(0xd, 0x300);
PERMUTATION_TK3(0x7, 0x300);
PERMUTATION_TK3(0xe, 0x100);
PERMUTATION_TK3(0x9, 0x300);
PERMUTATION_TK3(0x7, 0x200);
PERMUTATION_TK3(0xd, 0x100);
PERMUTATION_TK3(0x5, 0x300);
PERMUTATION_TK3(0x6, 0x100);
PERMUTATION_TK3(0x8, 0x100);
PERMUTATION_TK3(0x1, 0x200);
PERMUTATION_TK3(0x5, 0x000);
PERMUTATION_TK3(0x7, 0x100);
PERMUTATION_TK3(0xc, 0x100);
PERMUTATION_TK3(0x1, 0x300);
PERMUTATION_TK3(0x6, 0x000);
PERMUTATION_TK3(0xb, 0x100);
PERMUTATION_TK3(0xd, 0x200);
#ifdef ___NUM_OF_ROUNDS_56
// 41td,43th, ... ,53th,55th round
PERMUTATION_TK3(0x4, 0x300);
PERMUTATION_TK3(0x2, 0x100);
PERMUTATION_TK3(0x8, 0x000);
PERMUTATION_TK3(0x2, 0x200);
PERMUTATION_TK3(0x9, 0x000);
PERMUTATION_TK3(0x6, 0x200);
PERMUTATION_TK3(0x9, 0x100);
PERMUTATION_TK3(0x5, 0x200);
#endif
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,38th,40th round
PERMUTATION_TK3(0x3, 0x000);
PERMUTATION_TK3(0xf, 0x000);
PERMUTATION_TK3(0xe, 0x300);
PERMUTATION_TK3(0xb, 0x300);
PERMUTATION_TK3(0xf, 0x200);
PERMUTATION_TK3(0xc, 0x300);
PERMUTATION_TK3(0x3, 0x300);
PERMUTATION_TK3(0xe, 0x000);
PERMUTATION_TK3(0xa, 0x300);
PERMUTATION_TK3(0xb, 0x200);
PERMUTATION_TK3(0xc, 0x200);
PERMUTATION_TK3(0x0, 0x300);
PERMUTATION_TK3(0x2, 0x000);
PERMUTATION_TK3(0xb, 0x000);
PERMUTATION_TK3(0xe, 0x200);
PERMUTATION_TK3(0x8, 0x300);
PERMUTATION_TK3(0x3, 0x200);
PERMUTATION_TK3(0xd, 0x000);
PERMUTATION_TK3(0x6, 0x300);
PERMUTATION_TK3(0xa, 0x100);
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK3(0x9, 0x200);
PERMUTATION_TK3(0x4, 0x200);
PERMUTATION_TK3(0x1, 0x100);
PERMUTATION_TK3(0x4, 0x000);
PERMUTATION_TK3(0x3, 0x100);
PERMUTATION_TK3(0xc, 0x000);
PERMUTATION_TK3(0x2, 0x300);
PERMUTATION_TK3(0xa, 0x000);
#endif
}
#else
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
uint16_t c0;
uint16_t c1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
pRC += 4;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
pRC -= 78;
tk3 = &roundKeys[98];
#else
pRC -= 110;
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
}
#endif
romulus/Implementations/crypto_aead/romulusm1+/opt32_NEC/skinny_main.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* ART(TK1) -> store
* load AC(c0 c1) ^ TK3 ^ TK2
* load TK1
* calc AC(c0 c1) ^ TK3 ^ TK2 ^ TK1 -> use at (AC->ART)
* SC->SR->(AC->ART)->MC
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
/*
* S-BOX
*/
unsigned char SBOX[]
= {
// Original
0x65, 0x4c, 0x6a, 0x42, 0x4b, 0x63, 0x43, 0x6b, 0x55, 0x75, 0x5a, 0x7a, 0x53, 0x73, 0x5b, 0x7b,
0x35, 0x8c, 0x3a, 0x81, 0x89, 0x33, 0x80, 0x3b, 0x95, 0x25, 0x98, 0x2a, 0x90, 0x23, 0x99, 0x2b,
0xe5, 0xcc, 0xe8, 0xc1, 0xc9, 0xe0, 0xc0, 0xe9, 0xd5, 0xf5, 0xd8, 0xf8, 0xd0, 0xf0, 0xd9, 0xf9,
0xa5, 0x1c, 0xa8, 0x12, 0x1b, 0xa0, 0x13, 0xa9, 0x05, 0xb5, 0x0a, 0xb8, 0x03, 0xb0, 0x0b, 0xb9,
0x32, 0x88, 0x3c, 0x85, 0x8d, 0x34, 0x84, 0x3d, 0x91, 0x22, 0x9c, 0x2c, 0x94, 0x24, 0x9d, 0x2d,
0x62, 0x4a, 0x6c, 0x45, 0x4d, 0x64, 0x44, 0x6d, 0x52, 0x72, 0x5c, 0x7c, 0x54, 0x74, 0x5d, 0x7d,
0xa1, 0x1a, 0xac, 0x15, 0x1d, 0xa4, 0x14, 0xad, 0x02, 0xb1, 0x0c, 0xbc, 0x04, 0xb4, 0x0d, 0xbd,
0xe1, 0xc8, 0xec, 0xc5, 0xcd, 0xe4, 0xc4, 0xed, 0xd1, 0xf1, 0xdc, 0xfc, 0xd4, 0xf4, 0xdd, 0xfd,
0x36, 0x8e, 0x38, 0x82, 0x8b, 0x30, 0x83, 0x39, 0x96, 0x26, 0x9a, 0x28, 0x93, 0x20, 0x9b, 0x29,
0x66, 0x4e, 0x68, 0x41, 0x49, 0x60, 0x40, 0x69, 0x56, 0x76, 0x58, 0x78, 0x50, 0x70, 0x59, 0x79,
0xa6, 0x1e, 0xaa, 0x11, 0x19, 0xa3, 0x10, 0xab, 0x06, 0xb6, 0x08, 0xba, 0x00, 0xb3, 0x09, 0xbb,
0xe6, 0xce, 0xea, 0xc2, 0xcb, 0xe3, 0xc3, 0xeb, 0xd6, 0xf6, 0xda, 0xfa, 0xd3, 0xf3, 0xdb, 0xfb,
0x31, 0x8a, 0x3e, 0x86, 0x8f, 0x37, 0x87, 0x3f, 0x92, 0x21, 0x9e, 0x2e, 0x97, 0x27, 0x9f, 0x2f,
0x61, 0x48, 0x6e, 0x46, 0x4f, 0x67, 0x47, 0x6f, 0x51, 0x71, 0x5e, 0x7e, 0x57, 0x77, 0x5f, 0x7f,
0xa2, 0x18, 0xae, 0x16, 0x1f, 0xa7, 0x17, 0xaf, 0x01, 0xb2, 0x0e, 0xbe, 0x07, 0xb7, 0x0f, 0xbf,
0xe2, 0xca, 0xee, 0xc6, 0xcf, 0xe7, 0xc7, 0xef, 0xd2, 0xf2, 0xde, 0xfe, 0xd7, 0xf7, 0xdf, 0xff,
};
/*
* S-BOX ^ AC(c2)
*/
unsigned char SBOX2[]
= { // Original ^ c2(0x02)
0x67, 0x4e, 0x68, 0x40, 0x49, 0x61, 0x41, 0x69, 0x57, 0x77, 0x58, 0x78, 0x51, 0x71, 0x59, 0x79,
0x37, 0x8e, 0x38, 0x83, 0x8b, 0x31, 0x82, 0x39, 0x97, 0x27, 0x9a, 0x28, 0x92, 0x21, 0x9b, 0x29,
0xe7, 0xce, 0xea, 0xc3, 0xcb, 0xe2, 0xc2, 0xeb, 0xd7, 0xf7, 0xda, 0xfa, 0xd2, 0xf2, 0xdb, 0xfb,
0xa7, 0x1e, 0xaa, 0x10, 0x19, 0xa2, 0x11, 0xab, 0x07, 0xb7, 0x08, 0xba, 0x01, 0xb2, 0x09, 0xbb,
0x30, 0x8a, 0x3e, 0x87, 0x8f, 0x36, 0x86, 0x3f, 0x93, 0x20, 0x9e, 0x2e, 0x96, 0x26, 0x9f, 0x2f,
0x60, 0x48, 0x6e, 0x47, 0x4f, 0x66, 0x46, 0x6f, 0x50, 0x70, 0x5e, 0x7e, 0x56, 0x76, 0x5f, 0x7f,
0xa3, 0x18, 0xae, 0x17, 0x1f, 0xa6, 0x16, 0xaf, 0x00, 0xb3, 0x0e, 0xbe, 0x06, 0xb6, 0x0f, 0xbf,
0xe3, 0xca, 0xee, 0xc7, 0xcf, 0xe6, 0xc6, 0xef, 0xd3, 0xf3, 0xde, 0xfe, 0xd6, 0xf6, 0xdf, 0xff,
0x34, 0x8c, 0x3a, 0x80, 0x89, 0x32, 0x81, 0x3b, 0x94, 0x24, 0x98, 0x2a, 0x91, 0x22, 0x99, 0x2b,
0x64, 0x4c, 0x6a, 0x43, 0x4b, 0x62, 0x42, 0x6b, 0x54, 0x74, 0x5a, 0x7a, 0x52, 0x72, 0x5b, 0x7b,
0xa4, 0x1c, 0xa8, 0x13, 0x1b, 0xa1, 0x12, 0xa9, 0x04, 0xb4, 0x0a, 0xb8, 0x02, 0xb1, 0x0b, 0xb9,
0xe4, 0xcc, 0xe8, 0xc0, 0xc9, 0xe1, 0xc1, 0xe9, 0xd4, 0xf4, 0xd8, 0xf8, 0xd1, 0xf1, 0xd9, 0xf9,
0x33, 0x88, 0x3c, 0x84, 0x8d, 0x35, 0x85, 0x3d, 0x90, 0x23, 0x9c, 0x2c, 0x95, 0x25, 0x9d, 0x2d,
0x63, 0x4a, 0x6c, 0x44, 0x4d, 0x65, 0x45, 0x6d, 0x53, 0x73, 0x5c, 0x7c, 0x55, 0x75, 0x5d, 0x7d,
0xa0, 0x1a, 0xac, 0x14, 0x1d, 0xa5, 0x15, 0xad, 0x03, 0xb0, 0x0c, 0xbc, 0x05, 0xb5, 0x0d, 0xbd,
0xe0, 0xc8, 0xec, 0xc4, 0xcd, 0xe5, 0xc5, 0xed, 0xd0, 0xf0, 0xdc, 0xfc, 0xd5, 0xf5, 0xdd, 0xfd,
};
#ifdef ___SKINNY_LOOP
/*
* Round Constants
*/
unsigned char RC[]
= {
0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x0f, 0x01, 0x0e, 0x03, 0x0d, 0x03, 0x0b, 0x03,
0x07, 0x03, 0x0f, 0x02, 0x0e, 0x01, 0x0c, 0x03, 0x09, 0x03, 0x03, 0x03, 0x07, 0x02, 0x0e, 0x00,
0x0d, 0x01, 0x0a, 0x03, 0x05, 0x03, 0x0b, 0x02, 0x06, 0x01, 0x0c, 0x02, 0x08, 0x01, 0x00, 0x03,
0x01, 0x02, 0x02, 0x00, 0x05, 0x00, 0x0b, 0x00, 0x07, 0x01, 0x0e, 0x02, 0x0c, 0x01, 0x08, 0x03,
0x01, 0x03, 0x03, 0x02, 0x06, 0x00, 0x0d, 0x00, 0x0b, 0x01, 0x06, 0x03, 0x0d, 0x02, 0x0a, 0x01,
#ifdef ___NUM_OF_ROUNDS_56
0x04, 0x03, 0x09, 0x02, 0x02, 0x01, 0x04, 0x02, 0x08, 0x00, 0x01, 0x01, 0x02, 0x02, 0x04, 0x00,
0x09, 0x00, 0x03, 0x01, 0x06, 0x02, 0x0c, 0x00, 0x09, 0x01, 0x02, 0x03, 0x05, 0x02, 0x0a, 0x00,
#endif
};
#endif
extern void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2);
extern void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys);
#ifdef ___SKINNY_LOOP
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC);
#else
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys);
#endif
void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pack_word(K[0], K[1], K[2], K[3], pt[8]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pack_word(K[8], K[9], K[10], K[11], pt[10]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pt[8] = *(uint32_t*)(&K[0]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pt[10] = *(uint32_t*)(&K[8]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#endif
#ifdef ___SKINNY_LOOP
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys, RC);
#else
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
pskinny_ctrl->func_skinny_128_384_enc = skinny_128_384_enc12_12;
}
void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)T;
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#endif
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
#define PERMUTATION_TK1() \
/* permutation */ \
\
PERMUTATION(); \
\
/* store */ \
\
*tk1++ = w0; \
*tk1++ = w1;
#define SBOX_0(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0) ^ \
(t1 << 8) ^ \
(t2 << 16) ^ \
(t3 << 24);
#define SBOX_8(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 8) ^ \
(t1 << 16) ^ \
(t2 << 24) ^ \
(t3);
#define SBOX_16(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox2[t0]; /* AC(c2) */ \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 16) ^ \
(t1 << 24) ^ \
(t2) ^ \
(t3 << 8);
#define SBOX_24(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 24) ^ \
(t1) ^ \
(t2 << 8) ^ \
(t3 << 16);
#define SKINNY_MAIN() \
\
/* odd */ \
\
/* LUT(with ShiftRows) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* Load TK1 */ \
\
w0 ^= *tk1++; \
w1 ^= *tk1++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0; \
\
/* even */ \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* Load TK2^TK3^AC(c0 c1) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0;
#ifndef ___SKINNY_LOOP
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
tk1 = &roundKeys[0];
// 1st, ...,16th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 17th, ...,32th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 33th, ...,40th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#ifdef ___NUM_OF_ROUNDS_56
// 41th, ...,48th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 49th, ... ,56th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#endif
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#else
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
for(int i=0;i<7;i++)
{
PERMUTATION_TK1();
}
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
// 1st, ... ,32th or 48th round
#ifndef ___NUM_OF_ROUNDS_56
for(int j=0;j<2;j++)
#else
for(int j=0;j<3;j++)
#endif
{
tk1 = &roundKeys[0];
for(int i=0;i<8;i++)
{
SKINNY_MAIN();
}
}
// 33th , ... ,40th or 49th, .... ,56th round
{
tk1 = &roundKeys[0];
for(int i=0;i<4;i++)
{
SKINNY_MAIN();
}
}
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#endif
romulus/Implementations/crypto_aead/romulusm1/opt32_NEC/api.h 0 → 100644
#define CRYPTO_KEYBYTES 16
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 16
#define CRYPTO_ABYTES 16
#define CRYPTO_NOOVERLAP 1
romulus/Implementations/crypto_aead/romulusm1/opt32_NEC/encrypt.c 0 → 100644
/*
* Date: 29 November 2018
* Contact: Thomas Peyrin - thomas.peyrin@gmail.com
* Mustafa Khairallah - mustafam001@e.ntu.edu.sg
*/
#include "crypto_aead.h"
#include "api.h"
#include "skinny.h"
#include <stdio.h>
#include <stdlib.h>
void pad (const unsigned char* m, unsigned char* mp, int len8) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&mp[0]) = 0;
*(uint32_t*)(&mp[4]) = 0;
*(uint32_t*)(&mp[8]) = 0;
*(uint32_t*)(&mp[12]) = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#else
mp[0] = 0;
mp[1] = 0;
mp[2] = 0;
mp[3] = 0;
mp[4] = 0;
mp[5] = 0;
mp[6] = 0;
mp[7] = 0;
mp[8] = 0;
mp[9] = 0;
mp[10] = 0;
mp[11] = 0;
mp[12] = 0;
mp[13] = 0;
mp[14] = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#endif
}
void g8A (unsigned char* s, unsigned char* c) {
#ifdef ___ENABLE_WORD_CAST
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t s0, s1, s2, s3;
uint32_t c0, c1, c2, c3;
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#ifdef ___ENABLE_WORD_CAST
void g8A_for_Tag_Generation (unsigned char* s, unsigned char* c) {
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
// use byte access because of memory alignment.
// c is not always in word(4 byte) alignment.
c[0] = c0 &0xFF;
c[1] = (c0>>8) &0xFF;
c[2] = (c0>>16)&0xFF;
c[3] = c0>>24;
c[4] = c1 &0xFF;
c[5] = (c1>>8) &0xFF;
c[6] = (c1>>16)&0xFF;
c[7] = c1>>24;
c[8] = c2 &0xFF;
c[9] = (c2>>8) &0xFF;
c[10] = (c2>>16)&0xFF;
c[11] = c2>>24;
c[12] = c3 &0xFF;
c[13] = (c3>>8) &0xFF;
c[14] = (c3>>16)&0xFF;
c[15] = c3>>24;
}
#endif
#define rho_ad_eqov16_macro(i) \
s[i] = s[i] ^ m[i];
void rho_ad_eqov16 (
const unsigned char* m,
unsigned char* s) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&m[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&m[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&m[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&m[12]);
#else
rho_ad_eqov16_macro(0);
rho_ad_eqov16_macro(1);
rho_ad_eqov16_macro(2);
rho_ad_eqov16_macro(3);
rho_ad_eqov16_macro(4);
rho_ad_eqov16_macro(5);
rho_ad_eqov16_macro(6);
rho_ad_eqov16_macro(7);
rho_ad_eqov16_macro(8);
rho_ad_eqov16_macro(9);
rho_ad_eqov16_macro(10);
rho_ad_eqov16_macro(11);
rho_ad_eqov16_macro(12);
rho_ad_eqov16_macro(13);
rho_ad_eqov16_macro(14);
rho_ad_eqov16_macro(15);
#endif
}
#define rho_ad_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ad_ud16 (
const unsigned char* m,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
#else
rho_ad_ud16_macro(0);
rho_ad_ud16_macro(1);
rho_ad_ud16_macro(2);
rho_ad_ud16_macro(3);
rho_ad_ud16_macro(4);
rho_ad_ud16_macro(5);
rho_ad_ud16_macro(6);
rho_ad_ud16_macro(7);
rho_ad_ud16_macro(8);
rho_ad_ud16_macro(9);
rho_ad_ud16_macro(10);
rho_ad_ud16_macro(11);
rho_ad_ud16_macro(12);
rho_ad_ud16_macro(13);
rho_ad_ud16_macro(14);
rho_ad_ud16_macro(15);
#endif
}
void rho_eqov16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s) {
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#define rho_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ud16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#else
rho_ud16_macro(0);
rho_ud16_macro(1);
rho_ud16_macro(2);
rho_ud16_macro(3);
rho_ud16_macro(4);
rho_ud16_macro(5);
rho_ud16_macro(6);
rho_ud16_macro(7);
rho_ud16_macro(8);
rho_ud16_macro(9);
rho_ud16_macro(10);
rho_ud16_macro(11);
rho_ud16_macro(12);
rho_ud16_macro(13);
rho_ud16_macro(14);
rho_ud16_macro(15);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#endif
}
void irho_eqov16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s) {
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&m[0]) = m0;
*(uint32_t*)(&m[4]) = m1;
*(uint32_t*)(&m[8]) = m2;
*(uint32_t*)(&m[12]) = m3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(m[0], m[1], m[2], m[3], m0);
unpack_word(m[4], m[5], m[6], m[7], m1);
unpack_word(m[8], m[9], m[10], m[11], m2);
unpack_word(m[12], m[13], m[14], m[15], m3);
#endif
}
#define irho_ud16_macro(i) \
s[i] = s[i] ^ cp[i];
void irho_ud16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s,
int len8) {
unsigned char cp [16];
pad(c,cp,len8);
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&cp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&cp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&cp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&cp[12]);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#else
irho_ud16_macro(0);
irho_ud16_macro(1);
irho_ud16_macro(2);
irho_ud16_macro(3);
irho_ud16_macro(4);
irho_ud16_macro(5);
irho_ud16_macro(6);
irho_ud16_macro(7);
irho_ud16_macro(8);
irho_ud16_macro(9);
irho_ud16_macro(10);
irho_ud16_macro(11);
irho_ud16_macro(12);
irho_ud16_macro(13);
irho_ud16_macro(14);
irho_ud16_macro(15);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#endif
}
void reset_lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&CNT[0]) = 0x00000001; // CNT3 CNT2 CNT1 CNT0
*(uint32_t*)(&CNT[4]) = 0x00000000; // CNT7 CNT6 CNT5 CNT4
#else
CNT[0] = 0x01;
CNT[1] = 0x00;
CNT[2] = 0x00;
CNT[3] = 0x00;
CNT[4] = 0x00;
CNT[5] = 0x00;
CNT[6] = 0x00;
#endif
}
void lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
uint32_t C0;
uint32_t C1;
uint32_t fb0;
C0 = *(uint32_t*)(&CNT[0]); // CNT3 CNT2 CNT1 CNT0
C1 = *(uint32_t*)(&CNT[4]); // CNT7 CNT6 CNT5 CNT4
fb0 = 0;
if (CNT[6] & 0x80) {
fb0 = 0x95;
}
C1 = C1 << 1 | C0 >> 31;
C0 = C0 << 1 ^ fb0;
*(uint32_t*)(&CNT[0]) = C0;
*(uint32_t*)(&CNT[4]) = C1;
#else
uint32_t fb0 = CNT[6] >> 7;
CNT[6] = (CNT[6] << 1) | (CNT[5] >> 7);
CNT[5] = (CNT[5] << 1) | (CNT[4] >> 7);
CNT[4] = (CNT[4] << 1) | (CNT[3] >> 7);
CNT[3] = (CNT[3] << 1) | (CNT[2] >> 7);
CNT[2] = (CNT[2] << 1) | (CNT[1] >> 7);
CNT[1] = (CNT[1] << 1) | (CNT[0] >> 7);
if (fb0 == 1) {
CNT[0] = (CNT[0] << 1) ^ 0x95;
}
else {
CNT[0] = (CNT[0] << 1);
}
#endif
}
void block_cipher(
unsigned char* s,
const unsigned char* k, unsigned char* T,
unsigned char* CNT, unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
CNT[7] = D;
p_skinny_ctrl->func_skinny_128_384_enc(s, p_skinny_ctrl, CNT, T, k);
}
void nonce_encryption (
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
block_cipher(s,k,(unsigned char*)N,CNT,D,p_skinny_ctrl);
}
void generate_tag (
unsigned char** c, unsigned char* s,
unsigned long long* clen) {
#ifdef ___ENABLE_WORD_CAST
g8A_for_Tag_Generation(s, *c);
#else
g8A(s, *c);
#endif
*c = *c + 16;
*c = *c - *clen;
}
unsigned long long msg_encryption (
const unsigned char** M, unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* l_skinny_ctrl) {
int len8;
if (mlen >= 16) {
len8 = 16;
mlen = mlen - 16;
rho_eqov16(*M, *c, s);
}
else {
len8 = mlen;
mlen = 0;
rho_ud16(*M, *c, s, len8);
}
*c = *c + len8;
*M = *M + len8;
lfsr_gf56(CNT);
if (mlen != 0) {
nonce_encryption(N,CNT,s,k,D,l_skinny_ctrl);
}
return mlen;
}
unsigned long long msg_decryption (
unsigned char** M, const unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long clen,
skinny_ctrl* l_skinny_ctrl) {
int len8;
if (clen >= 16) {
len8 = 16;
clen = clen - 16;
irho_eqov16(*M, *c, s);
}
else {
len8 = clen;
clen = 0;
irho_ud16(*M, *c, s, len8);
}
*c = *c + len8;
*M = *M + len8;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,l_skinny_ctrl);
return clen;
}
unsigned long long ad2msg_encryption (
const unsigned char** M,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* l_skinny_ctrl) {
unsigned char T [16];
int len8;
if (mlen <= 16) {
len8 = mlen;
mlen = 0;
}
else {
len8 = 16;
mlen = mlen - 16;
}
pad (*M,T,len8);
block_cipher(s,k,T,CNT,D,l_skinny_ctrl);
lfsr_gf56(CNT);
*M = *M + len8;
return mlen;
}
unsigned long long ad_encryption (
const unsigned char** A, unsigned char* s,
const unsigned char* k, unsigned long long adlen,
unsigned char* CNT,
unsigned char D,
skinny_ctrl* l_skinny_ctrl) {
unsigned char T [16];
int len8;
if (adlen >= 16) {
len8 = 16;
adlen = adlen - 16;
rho_ad_eqov16(*A, s);
}
else {
len8 = adlen;
adlen = 0;
rho_ad_ud16(*A, s, len8);
}
*A = *A + len8;
lfsr_gf56(CNT);
if (adlen != 0) {
if (adlen >= 16) {
len8 = 16;
adlen = adlen - 16;
}
else {
len8 = adlen;
adlen = 0;
}
pad(*A, T, len8);
*A = *A + len8;
block_cipher(s,k,T,CNT,D,l_skinny_ctrl);
lfsr_gf56(CNT);
}
return adlen;
}
int crypto_aead_encrypt (
unsigned char* c, unsigned long long* clen,
const unsigned char* m, unsigned long long mlen,
const unsigned char* ad, unsigned long long adlen,
const unsigned char* nsec,
const unsigned char* npub,
const unsigned char* k) {
unsigned char s[16];
unsigned char CNT[8];
unsigned char T[16];
const unsigned char* N;
unsigned char w;
unsigned long long xlen;
skinny_ctrl l_skinny_ctrl;
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void)nsec;
N = npub;
xlen = mlen;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
w = 48;
if (adlen == 0) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 0) {
w = w ^ 8;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) < 16) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 16) {
w = w ^ 0;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else {
w = w ^ 10;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
}
else while (adlen > 0) {
adlen = ad_encryption(&ad,s,k,adlen,CNT,40,&l_skinny_ctrl);
}
if ((w & 8) == 0) {
xlen = ad2msg_encryption (&m,CNT,s,k,44,xlen,&l_skinny_ctrl);
}
else if (mlen == 0) {
lfsr_gf56(CNT);
}
while (xlen > 0) {
xlen = ad_encryption(&m,s,k,xlen,CNT,44,&l_skinny_ctrl);
}
nonce_encryption(N,CNT,s,k,w,&l_skinny_ctrl);
// Tag generation
g8A(s, T);
m = m - mlen;
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = *(uint32_t*)(&T[0]);
*(uint32_t*)(&s[4]) = *(uint32_t*)(&T[4]);
*(uint32_t*)(&s[8]) = *(uint32_t*)(&T[8]);
*(uint32_t*)(&s[12]) = *(uint32_t*)(&T[12]);
#else
s[0] = T[0];
s[1] = T[1];
s[2] = T[2];
s[3] = T[3];
s[4] = T[4];
s[5] = T[5];
s[6] = T[6];
s[7] = T[7];
s[8] = T[8];
s[9] = T[9];
s[10] = T[10];
s[11] = T[11];
s[12] = T[12];
s[13] = T[13];
s[14] = T[14];
s[15] = T[15];
#endif
*clen = mlen + 16;
if (mlen > 0) {
nonce_encryption(N,CNT,s,k,36,&l_skinny_ctrl);
while (mlen > 16) {
mlen = msg_encryption(&m,&c,N,CNT,s,k,36,mlen,&l_skinny_ctrl);
}
rho_ud16(m, c, s, mlen);
c = c + mlen;
m = m + mlen;
}
// Tag Concatenation
c[0] = T[0];
c[1] = T[1];
c[2] = T[2];
c[3] = T[3];
c[4] = T[4];
c[5] = T[5];
c[6] = T[6];
c[7] = T[7];
c[8] = T[8];
c[9] = T[9];
c[10] = T[10];
c[11] = T[11];
c[12] = T[12];
c[13] = T[13];
c[14] = T[14];
c[15] = T[15];
c = c - *clen;
return 0;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k) {
unsigned char s[16];
unsigned char CNT[8];
unsigned char T[16];
const unsigned char* N;
unsigned char w;
unsigned long long xlen;
const unsigned char* mauth;
unsigned char* p1;
unsigned char* p2;
skinny_ctrl l_skinny_ctrl;
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void)nsec;
mauth = m;
N = npub;
xlen = clen-16;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
w = 48;
if (adlen == 0) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 0) {
w = w ^ 8;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) < 16) {
w = w ^ 2;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else if (adlen%(32) == 16) {
w = w ^ 0;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
else {
w = w ^ 10;
if (xlen == 0) {
w =w ^ 1;
}
else if (xlen%(32) == 0) {
w = w ^ 4;
}
else if (xlen%(32) < 16) {
w = w ^ 1;
}
else if (xlen%(32) == 16) {
w = w ^ 0;
}
else {
w = w ^ 5;
}
}
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
}
else while (adlen > 0) {
adlen = ad_encryption(&ad,s,k,adlen,CNT,40,&l_skinny_ctrl);
}
if ((w & 8) == 0) {
xlen = ad2msg_encryption (&mauth,CNT,s,k,44,xlen,&l_skinny_ctrl);
}
else if (clen == 0) {
lfsr_gf56(CNT);
}
while (xlen > 0) {
xlen = ad_encryption(&mauth,s,k,xlen,CNT,44,&l_skinny_ctrl);
}
nonce_encryption(N,CNT,s,k,w,&l_skinny_ctrl);
// Tag generation
g8A(s, T);
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
p1 = T;
p2 = (unsigned char*)&c[clen - 16];
p1[0] = p2[0];
p1[1] = p2[1];
p1[2] = p2[2];
p1[3] = p2[3];
p1[4] = p2[4];
p1[5] = p2[5];
p1[6] = p2[6];
p1[7] = p2[7];
p1[8] = p2[8];
p1[9] = p2[9];
p1[10] = p2[10];
p1[11] = p2[11];
p1[12] = p2[12];
p1[13] = p2[13];
p1[14] = p2[14];
p1[15] = p2[15];
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = *(uint32_t*)(&T[0]);
*(uint32_t*)(&s[4]) = *(uint32_t*)(&T[4]);
*(uint32_t*)(&s[8]) = *(uint32_t*)(&T[8]);
*(uint32_t*)(&s[12]) = *(uint32_t*)(&T[12]);
#else
s[0] = T[0];
s[1] = T[1];
s[2] = T[2];
s[3] = T[3];
s[4] = T[4];
s[5] = T[5];
s[6] = T[6];
s[7] = T[7];
s[8] = T[8];
s[9] = T[9];
s[10] = T[10];
s[11] = T[11];
s[12] = T[12];
s[13] = T[13];
s[14] = T[14];
s[15] = T[15];
#endif
clen = clen - 16;
*mlen = clen;
if (clen > 0) {
nonce_encryption(N,CNT,s,k,36,&l_skinny_ctrl);
l_skinny_ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
while (clen > 16) {
clen = msg_decryption(&m,&c,N,CNT,s,k,36,clen,&l_skinny_ctrl);
}
irho_ud16(m, c, s, clen);
c = c + clen;
m = m + clen;
}
for (int i = 0; i < 16; i++) {
if (T[i] != (*(c+i))) {
return -1;
}
}
return 0;
}
romulus/Implementations/crypto_aead/romulusm1/opt32_NEC/skinny.h 0 → 100644
#define ___SKINNY_LOOP
#define ___NUM_OF_ROUNDS_56
#define ___ENABLE_WORD_CAST
#include <stdint.h>
typedef struct ___skinny_ctrl {
#ifdef ___NUM_OF_ROUNDS_56
uint32_t roundKeys[240]; // number of rounds : 56
#else
uint32_t roundKeys[176]; // number of rounds : 40
#endif
void (*func_skinny_128_384_enc)(unsigned char*, struct ___skinny_ctrl*, unsigned char* CNT, unsigned char* T, const unsigned char* K);
} skinny_ctrl;
extern void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
#define pack_word(x0, x1, x2, x3, w) \
w = ((x3) << 24) ^ \
((x2) << 16) ^ \
((x1) << 8) ^ \
(x0);
#define unpack_word(x0, x1, x2, x3, w) \
x0 = ((w) & 0xff); \
x1 = (((w) >> 8) & 0xff); \
x2 = (((w) >> 16) & 0xff); \
x3 = ((w) >> 24);
#define PERMUTATION() \
/* permutation */ \
\
/* 7 6 5 4 3 2 1 0 */ \
/* 5 7 2 3 6 0 4 1 */ \
\
/* w0 (3 2 1 0) */ \
/* w1 (7 6 5 4) */ \
\
/* w0 (6 0 4 1) */ \
/* w1 (5 7 2 3) */ \
\
t0 = w1 << 8; /* 6 5 4 - */ \
t0 = t0 & 0xff00ff00; /* 6 - 4 - */ \
\
t1 = w1 << 16; /* 5 4 - - */ \
t1 = t1 & 0xff000000; /* 5 - - - */ \
\
t2 = w1 & 0xff000000; /* 7 - - - */ \
t2 = t2 >> 8; /* - 7 - - */ \
t1 = t1 ^ t2; /* 5 7 - - */ \
\
t2 = w0 & 0xff000000; /* 3 - - - */ \
t2 = t2 >> 24; /* - - - 3 */ \
t1 = t1 ^ t2; /* 5 7 - 3 */ \
\
w1 = w0 >> 8; /* - 3 2 1 */ \
w1 = w1 & 0x0000ff00; /* - - 2 - */ \
w1 = w1 ^ t1; /* 5 7 2 3 */ \
\
t2 = w0 & 0x0000ff00; /* - - 1 - */ \
t2 = t2 >> 8; /* - - - 1 */ \
t0 = t0 ^ t2; /* 6 - 4 1 */ \
\
w0 = w0 << 16; /* 1 0 - - */ \
w0 = w0 & 0x00ff0000; /* - 0 - - */ \
w0 = w0 ^ t0; /* 6 0 4 1 */
romulus/Implementations/crypto_aead/romulusm1/opt32_NEC/skinny_key_schedule2.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* load * AC(c0 c1) ^ TK3
* calc AC(c0 c1) ^ TK2 -> store
* ART(TK2)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK2() \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK2) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x6 x5 x4 x3 x2 x1 x0 x7^x5) */ \
w0 = ((w0 << 1) & 0xfefefefe) ^ \
(((w0 >> 7) ^ (w0 >> 5)) & 0x01010101); \
w1 = ((w1 << 1) & 0xfefefefe) ^ \
(((w1 >> 7) ^ (w1 >> 5)) & 0x01010101); \
\
/* Load TK3 */ \
/* TK2^TK3^AC(c0 c1) */ \
/* store */ \
*tk2++ = w0 ^ *tk3++; \
*tk2++ = w1 ^ *tk3++; \
tk2 += 2; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 41th,43th, ... ,51th,53th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
}
#else
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
PERMUTATION_TK2();
}
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
PERMUTATION_TK2();
}
}
#endif
romulus/Implementations/crypto_aead/romulusm1/opt32_NEC/skinny_key_schedule3.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* AC(c0 c1) ^ TK3 -> store
* ART(TK3)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK3(c0Val, c1Val) \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK3) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x0^x6 x7 x6 x5 x4 x3 x2 x1) */ \
w0 = ((w0 >> 1) & 0x7f7f7f7f) ^ \
(((w0 << 7) ^ (w0 << 1)) & 0x80808080); \
w1 = ((w1 >> 1) & 0x7f7f7f7f) ^ \
(((w1 << 7) ^ (w1 << 1)) & 0x80808080); \
\
/* K3^AC(c0 c1) */ \
/* store */ \
*tk3++ = w0 ^ c0Val; \
*tk3++ = w1 ^ c1Val; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK3(0x7, 0x000);
PERMUTATION_TK3(0xf, 0x100);
PERMUTATION_TK3(0xd, 0x300);
PERMUTATION_TK3(0x7, 0x300);
PERMUTATION_TK3(0xe, 0x100);
PERMUTATION_TK3(0x9, 0x300);
PERMUTATION_TK3(0x7, 0x200);
PERMUTATION_TK3(0xd, 0x100);
PERMUTATION_TK3(0x5, 0x300);
PERMUTATION_TK3(0x6, 0x100);
PERMUTATION_TK3(0x8, 0x100);
PERMUTATION_TK3(0x1, 0x200);
PERMUTATION_TK3(0x5, 0x000);
PERMUTATION_TK3(0x7, 0x100);
PERMUTATION_TK3(0xc, 0x100);
PERMUTATION_TK3(0x1, 0x300);
PERMUTATION_TK3(0x6, 0x000);
PERMUTATION_TK3(0xb, 0x100);
PERMUTATION_TK3(0xd, 0x200);
#ifdef ___NUM_OF_ROUNDS_56
// 41td,43th, ... ,53th,55th round
PERMUTATION_TK3(0x4, 0x300);
PERMUTATION_TK3(0x2, 0x100);
PERMUTATION_TK3(0x8, 0x000);
PERMUTATION_TK3(0x2, 0x200);
PERMUTATION_TK3(0x9, 0x000);
PERMUTATION_TK3(0x6, 0x200);
PERMUTATION_TK3(0x9, 0x100);
PERMUTATION_TK3(0x5, 0x200);
#endif
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,38th,40th round
PERMUTATION_TK3(0x3, 0x000);
PERMUTATION_TK3(0xf, 0x000);
PERMUTATION_TK3(0xe, 0x300);
PERMUTATION_TK3(0xb, 0x300);
PERMUTATION_TK3(0xf, 0x200);
PERMUTATION_TK3(0xc, 0x300);
PERMUTATION_TK3(0x3, 0x300);
PERMUTATION_TK3(0xe, 0x000);
PERMUTATION_TK3(0xa, 0x300);
PERMUTATION_TK3(0xb, 0x200);
PERMUTATION_TK3(0xc, 0x200);
PERMUTATION_TK3(0x0, 0x300);
PERMUTATION_TK3(0x2, 0x000);
PERMUTATION_TK3(0xb, 0x000);
PERMUTATION_TK3(0xe, 0x200);
PERMUTATION_TK3(0x8, 0x300);
PERMUTATION_TK3(0x3, 0x200);
PERMUTATION_TK3(0xd, 0x000);
PERMUTATION_TK3(0x6, 0x300);
PERMUTATION_TK3(0xa, 0x100);
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK3(0x9, 0x200);
PERMUTATION_TK3(0x4, 0x200);
PERMUTATION_TK3(0x1, 0x100);
PERMUTATION_TK3(0x4, 0x000);
PERMUTATION_TK3(0x3, 0x100);
PERMUTATION_TK3(0xc, 0x000);
PERMUTATION_TK3(0x2, 0x300);
PERMUTATION_TK3(0xa, 0x000);
#endif
}
#else
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
uint16_t c0;
uint16_t c1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
pRC += 4;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
pRC -= 78;
tk3 = &roundKeys[98];
#else
pRC -= 110;
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
}
#endif
romulus/Implementations/crypto_aead/romulusm1/opt32_NEC/skinny_main.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* ART(TK1) -> store
* load AC(c0 c1) ^ TK3 ^ TK2
* load TK1
* calc AC(c0 c1) ^ TK3 ^ TK2 ^ TK1 -> use at (AC->ART)
* SC->SR->(AC->ART)->MC
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
/*
* S-BOX
*/
unsigned char SBOX[]
= {
// Original
0x65, 0x4c, 0x6a, 0x42, 0x4b, 0x63, 0x43, 0x6b, 0x55, 0x75, 0x5a, 0x7a, 0x53, 0x73, 0x5b, 0x7b,
0x35, 0x8c, 0x3a, 0x81, 0x89, 0x33, 0x80, 0x3b, 0x95, 0x25, 0x98, 0x2a, 0x90, 0x23, 0x99, 0x2b,
0xe5, 0xcc, 0xe8, 0xc1, 0xc9, 0xe0, 0xc0, 0xe9, 0xd5, 0xf5, 0xd8, 0xf8, 0xd0, 0xf0, 0xd9, 0xf9,
0xa5, 0x1c, 0xa8, 0x12, 0x1b, 0xa0, 0x13, 0xa9, 0x05, 0xb5, 0x0a, 0xb8, 0x03, 0xb0, 0x0b, 0xb9,
0x32, 0x88, 0x3c, 0x85, 0x8d, 0x34, 0x84, 0x3d, 0x91, 0x22, 0x9c, 0x2c, 0x94, 0x24, 0x9d, 0x2d,
0x62, 0x4a, 0x6c, 0x45, 0x4d, 0x64, 0x44, 0x6d, 0x52, 0x72, 0x5c, 0x7c, 0x54, 0x74, 0x5d, 0x7d,
0xa1, 0x1a, 0xac, 0x15, 0x1d, 0xa4, 0x14, 0xad, 0x02, 0xb1, 0x0c, 0xbc, 0x04, 0xb4, 0x0d, 0xbd,
0xe1, 0xc8, 0xec, 0xc5, 0xcd, 0xe4, 0xc4, 0xed, 0xd1, 0xf1, 0xdc, 0xfc, 0xd4, 0xf4, 0xdd, 0xfd,
0x36, 0x8e, 0x38, 0x82, 0x8b, 0x30, 0x83, 0x39, 0x96, 0x26, 0x9a, 0x28, 0x93, 0x20, 0x9b, 0x29,
0x66, 0x4e, 0x68, 0x41, 0x49, 0x60, 0x40, 0x69, 0x56, 0x76, 0x58, 0x78, 0x50, 0x70, 0x59, 0x79,
0xa6, 0x1e, 0xaa, 0x11, 0x19, 0xa3, 0x10, 0xab, 0x06, 0xb6, 0x08, 0xba, 0x00, 0xb3, 0x09, 0xbb,
0xe6, 0xce, 0xea, 0xc2, 0xcb, 0xe3, 0xc3, 0xeb, 0xd6, 0xf6, 0xda, 0xfa, 0xd3, 0xf3, 0xdb, 0xfb,
0x31, 0x8a, 0x3e, 0x86, 0x8f, 0x37, 0x87, 0x3f, 0x92, 0x21, 0x9e, 0x2e, 0x97, 0x27, 0x9f, 0x2f,
0x61, 0x48, 0x6e, 0x46, 0x4f, 0x67, 0x47, 0x6f, 0x51, 0x71, 0x5e, 0x7e, 0x57, 0x77, 0x5f, 0x7f,
0xa2, 0x18, 0xae, 0x16, 0x1f, 0xa7, 0x17, 0xaf, 0x01, 0xb2, 0x0e, 0xbe, 0x07, 0xb7, 0x0f, 0xbf,
0xe2, 0xca, 0xee, 0xc6, 0xcf, 0xe7, 0xc7, 0xef, 0xd2, 0xf2, 0xde, 0xfe, 0xd7, 0xf7, 0xdf, 0xff,
};
/*
* S-BOX ^ AC(c2)
*/
unsigned char SBOX2[]
= { // Original ^ c2(0x02)
0x67, 0x4e, 0x68, 0x40, 0x49, 0x61, 0x41, 0x69, 0x57, 0x77, 0x58, 0x78, 0x51, 0x71, 0x59, 0x79,
0x37, 0x8e, 0x38, 0x83, 0x8b, 0x31, 0x82, 0x39, 0x97, 0x27, 0x9a, 0x28, 0x92, 0x21, 0x9b, 0x29,
0xe7, 0xce, 0xea, 0xc3, 0xcb, 0xe2, 0xc2, 0xeb, 0xd7, 0xf7, 0xda, 0xfa, 0xd2, 0xf2, 0xdb, 0xfb,
0xa7, 0x1e, 0xaa, 0x10, 0x19, 0xa2, 0x11, 0xab, 0x07, 0xb7, 0x08, 0xba, 0x01, 0xb2, 0x09, 0xbb,
0x30, 0x8a, 0x3e, 0x87, 0x8f, 0x36, 0x86, 0x3f, 0x93, 0x20, 0x9e, 0x2e, 0x96, 0x26, 0x9f, 0x2f,
0x60, 0x48, 0x6e, 0x47, 0x4f, 0x66, 0x46, 0x6f, 0x50, 0x70, 0x5e, 0x7e, 0x56, 0x76, 0x5f, 0x7f,
0xa3, 0x18, 0xae, 0x17, 0x1f, 0xa6, 0x16, 0xaf, 0x00, 0xb3, 0x0e, 0xbe, 0x06, 0xb6, 0x0f, 0xbf,
0xe3, 0xca, 0xee, 0xc7, 0xcf, 0xe6, 0xc6, 0xef, 0xd3, 0xf3, 0xde, 0xfe, 0xd6, 0xf6, 0xdf, 0xff,
0x34, 0x8c, 0x3a, 0x80, 0x89, 0x32, 0x81, 0x3b, 0x94, 0x24, 0x98, 0x2a, 0x91, 0x22, 0x99, 0x2b,
0x64, 0x4c, 0x6a, 0x43, 0x4b, 0x62, 0x42, 0x6b, 0x54, 0x74, 0x5a, 0x7a, 0x52, 0x72, 0x5b, 0x7b,
0xa4, 0x1c, 0xa8, 0x13, 0x1b, 0xa1, 0x12, 0xa9, 0x04, 0xb4, 0x0a, 0xb8, 0x02, 0xb1, 0x0b, 0xb9,
0xe4, 0xcc, 0xe8, 0xc0, 0xc9, 0xe1, 0xc1, 0xe9, 0xd4, 0xf4, 0xd8, 0xf8, 0xd1, 0xf1, 0xd9, 0xf9,
0x33, 0x88, 0x3c, 0x84, 0x8d, 0x35, 0x85, 0x3d, 0x90, 0x23, 0x9c, 0x2c, 0x95, 0x25, 0x9d, 0x2d,
0x63, 0x4a, 0x6c, 0x44, 0x4d, 0x65, 0x45, 0x6d, 0x53, 0x73, 0x5c, 0x7c, 0x55, 0x75, 0x5d, 0x7d,
0xa0, 0x1a, 0xac, 0x14, 0x1d, 0xa5, 0x15, 0xad, 0x03, 0xb0, 0x0c, 0xbc, 0x05, 0xb5, 0x0d, 0xbd,
0xe0, 0xc8, 0xec, 0xc4, 0xcd, 0xe5, 0xc5, 0xed, 0xd0, 0xf0, 0xdc, 0xfc, 0xd5, 0xf5, 0xdd, 0xfd,
};
#ifdef ___SKINNY_LOOP
/*
* Round Constants
*/
unsigned char RC[]
= {
0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x0f, 0x01, 0x0e, 0x03, 0x0d, 0x03, 0x0b, 0x03,
0x07, 0x03, 0x0f, 0x02, 0x0e, 0x01, 0x0c, 0x03, 0x09, 0x03, 0x03, 0x03, 0x07, 0x02, 0x0e, 0x00,
0x0d, 0x01, 0x0a, 0x03, 0x05, 0x03, 0x0b, 0x02, 0x06, 0x01, 0x0c, 0x02, 0x08, 0x01, 0x00, 0x03,
0x01, 0x02, 0x02, 0x00, 0x05, 0x00, 0x0b, 0x00, 0x07, 0x01, 0x0e, 0x02, 0x0c, 0x01, 0x08, 0x03,
0x01, 0x03, 0x03, 0x02, 0x06, 0x00, 0x0d, 0x00, 0x0b, 0x01, 0x06, 0x03, 0x0d, 0x02, 0x0a, 0x01,
#ifdef ___NUM_OF_ROUNDS_56
0x04, 0x03, 0x09, 0x02, 0x02, 0x01, 0x04, 0x02, 0x08, 0x00, 0x01, 0x01, 0x02, 0x02, 0x04, 0x00,
0x09, 0x00, 0x03, 0x01, 0x06, 0x02, 0x0c, 0x00, 0x09, 0x01, 0x02, 0x03, 0x05, 0x02, 0x0a, 0x00,
#endif
};
#endif
extern void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2);
extern void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys);
#ifdef ___SKINNY_LOOP
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC);
#else
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys);
#endif
void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pack_word(K[0], K[1], K[2], K[3], pt[8]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pack_word(K[8], K[9], K[10], K[11], pt[10]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pt[8] = *(uint32_t*)(&K[0]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pt[10] = *(uint32_t*)(&K[8]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#endif
#ifdef ___SKINNY_LOOP
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys, RC);
#else
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
pskinny_ctrl->func_skinny_128_384_enc = skinny_128_384_enc12_12;
}
void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)T;
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#endif
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
#define PERMUTATION_TK1() \
/* permutation */ \
\
PERMUTATION(); \
\
/* store */ \
\
*tk1++ = w0; \
*tk1++ = w1;
#define SBOX_0(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0) ^ \
(t1 << 8) ^ \
(t2 << 16) ^ \
(t3 << 24);
#define SBOX_8(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 8) ^ \
(t1 << 16) ^ \
(t2 << 24) ^ \
(t3);
#define SBOX_16(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox2[t0]; /* AC(c2) */ \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 16) ^ \
(t1 << 24) ^ \
(t2) ^ \
(t3 << 8);
#define SBOX_24(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 24) ^ \
(t1) ^ \
(t2 << 8) ^ \
(t3 << 16);
#define SKINNY_MAIN() \
\
/* odd */ \
\
/* LUT(with ShiftRows) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* Load TK1 */ \
\
w0 ^= *tk1++; \
w1 ^= *tk1++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0; \
\
/* even */ \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* Load TK2^TK3^AC(c0 c1) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0;
#ifndef ___SKINNY_LOOP
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
tk1 = &roundKeys[0];
// 1st, ...,16th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 17th, ...,32th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 33th, ...,40th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#ifdef ___NUM_OF_ROUNDS_56
// 41th, ...,48th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 49th, ... ,56th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#endif
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#else
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
for(int i=0;i<7;i++)
{
PERMUTATION_TK1();
}
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
// 1st, ... ,32th or 48th round
#ifndef ___NUM_OF_ROUNDS_56
for(int j=0;j<2;j++)
#else
for(int j=0;j<3;j++)
#endif
{
tk1 = &roundKeys[0];
for(int i=0;i<8;i++)
{
SKINNY_MAIN();
}
}
// 33th , ... ,40th or 49th, .... ,56th round
{
tk1 = &roundKeys[0];
for(int i=0;i<4;i++)
{
SKINNY_MAIN();
}
}
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#endif
romulus/Implementations/crypto_aead/romulusn1+/opt32_NEC/api.h 0 → 100644
#define CRYPTO_KEYBYTES 16
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 16
#define CRYPTO_ABYTES 16
#define CRYPTO_NOOVERLAP 1
romulus/Implementations/crypto_aead/romulusn1+/opt32_NEC/encrypt.c 0 → 100644
/*
* Date: 29 November 2018
* Contact: Thomas Peyrin - thomas.peyrin@gmail.com
* Mustafa Khairallah - mustafam001@e.ntu.edu.sg
*/
#include "crypto_aead.h"
#include "api.h"
#include "skinny.h"
#include <stdio.h>
#include <stdlib.h>
void pad (const unsigned char* m, unsigned char* mp, int len8) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&mp[0]) = 0;
*(uint32_t*)(&mp[4]) = 0;
*(uint32_t*)(&mp[8]) = 0;
*(uint32_t*)(&mp[12]) = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#else
mp[0] = 0;
mp[1] = 0;
mp[2] = 0;
mp[3] = 0;
mp[4] = 0;
mp[5] = 0;
mp[6] = 0;
mp[7] = 0;
mp[8] = 0;
mp[9] = 0;
mp[10] = 0;
mp[11] = 0;
mp[12] = 0;
mp[13] = 0;
mp[14] = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#endif
}
void g8A (unsigned char* s, unsigned char* c) {
#ifdef ___ENABLE_WORD_CAST
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t s0, s1, s2, s3;
uint32_t c0, c1, c2, c3;
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#ifdef ___ENABLE_WORD_CAST
void g8A_for_Tag_Generation (unsigned char* s, unsigned char* c) {
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
// use byte access because of memory alignment.
// c is not always in word(4 byte) alignment.
c[0] = c0 &0xFF;
c[1] = (c0>>8) &0xFF;
c[2] = (c0>>16)&0xFF;
c[3] = c0>>24;
c[4] = c1 &0xFF;
c[5] = (c1>>8) &0xFF;
c[6] = (c1>>16)&0xFF;
c[7] = c1>>24;
c[8] = c2 &0xFF;
c[9] = (c2>>8) &0xFF;
c[10] = (c2>>16)&0xFF;
c[11] = c2>>24;
c[12] = c3 &0xFF;
c[13] = (c3>>8) &0xFF;
c[14] = (c3>>16)&0xFF;
c[15] = c3>>24;
}
#endif
#define rho_ad_eqov16_macro(i) \
s[i] = s[i] ^ m[i];
void rho_ad_eqov16 (
const unsigned char* m,
unsigned char* s) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&m[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&m[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&m[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&m[12]);
#else
rho_ad_eqov16_macro(0);
rho_ad_eqov16_macro(1);
rho_ad_eqov16_macro(2);
rho_ad_eqov16_macro(3);
rho_ad_eqov16_macro(4);
rho_ad_eqov16_macro(5);
rho_ad_eqov16_macro(6);
rho_ad_eqov16_macro(7);
rho_ad_eqov16_macro(8);
rho_ad_eqov16_macro(9);
rho_ad_eqov16_macro(10);
rho_ad_eqov16_macro(11);
rho_ad_eqov16_macro(12);
rho_ad_eqov16_macro(13);
rho_ad_eqov16_macro(14);
rho_ad_eqov16_macro(15);
#endif
}
#define rho_ad_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ad_ud16 (
const unsigned char* m,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
#else
rho_ad_ud16_macro(0);
rho_ad_ud16_macro(1);
rho_ad_ud16_macro(2);
rho_ad_ud16_macro(3);
rho_ad_ud16_macro(4);
rho_ad_ud16_macro(5);
rho_ad_ud16_macro(6);
rho_ad_ud16_macro(7);
rho_ad_ud16_macro(8);
rho_ad_ud16_macro(9);
rho_ad_ud16_macro(10);
rho_ad_ud16_macro(11);
rho_ad_ud16_macro(12);
rho_ad_ud16_macro(13);
rho_ad_ud16_macro(14);
rho_ad_ud16_macro(15);
#endif
}
void rho_eqov16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s) {
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#define rho_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ud16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#else
rho_ud16_macro(0);
rho_ud16_macro(1);
rho_ud16_macro(2);
rho_ud16_macro(3);
rho_ud16_macro(4);
rho_ud16_macro(5);
rho_ud16_macro(6);
rho_ud16_macro(7);
rho_ud16_macro(8);
rho_ud16_macro(9);
rho_ud16_macro(10);
rho_ud16_macro(11);
rho_ud16_macro(12);
rho_ud16_macro(13);
rho_ud16_macro(14);
rho_ud16_macro(15);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#endif
}
void irho_eqov16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s) {
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&m[0]) = m0;
*(uint32_t*)(&m[4]) = m1;
*(uint32_t*)(&m[8]) = m2;
*(uint32_t*)(&m[12]) = m3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(m[0], m[1], m[2], m[3], m0);
unpack_word(m[4], m[5], m[6], m[7], m1);
unpack_word(m[8], m[9], m[10], m[11], m2);
unpack_word(m[12], m[13], m[14], m[15], m3);
#endif
}
#define irho_ud16_macro(i) \
s[i] = s[i] ^ cp[i];
void irho_ud16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s,
int len8) {
unsigned char cp [16];
pad(c,cp,len8);
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&cp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&cp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&cp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&cp[12]);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#else
irho_ud16_macro(0);
irho_ud16_macro(1);
irho_ud16_macro(2);
irho_ud16_macro(3);
irho_ud16_macro(4);
irho_ud16_macro(5);
irho_ud16_macro(6);
irho_ud16_macro(7);
irho_ud16_macro(8);
irho_ud16_macro(9);
irho_ud16_macro(10);
irho_ud16_macro(11);
irho_ud16_macro(12);
irho_ud16_macro(13);
irho_ud16_macro(14);
irho_ud16_macro(15);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#endif
}
void reset_lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&CNT[0]) = 0x00000001; // CNT3 CNT2 CNT1 CNT0
*(uint32_t*)(&CNT[4]) = 0x00000000; // CNT7 CNT6 CNT5 CNT4
#else
CNT[0] = 0x01;
CNT[1] = 0x00;
CNT[2] = 0x00;
CNT[3] = 0x00;
CNT[4] = 0x00;
CNT[5] = 0x00;
CNT[6] = 0x00;
#endif
}
void lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
uint32_t C0;
uint32_t C1;
uint32_t fb0;
C0 = *(uint32_t*)(&CNT[0]); // CNT3 CNT2 CNT1 CNT0
C1 = *(uint32_t*)(&CNT[4]); // CNT7 CNT6 CNT5 CNT4
fb0 = 0;
if (CNT[6] & 0x80) {
fb0 = 0x95;
}
C1 = C1 << 1 | C0 >> 31;
C0 = C0 << 1 ^ fb0;
*(uint32_t*)(&CNT[0]) = C0;
*(uint32_t*)(&CNT[4]) = C1;
#else
uint32_t fb0 = CNT[6] >> 7;
CNT[6] = (CNT[6] << 1) | (CNT[5] >> 7);
CNT[5] = (CNT[5] << 1) | (CNT[4] >> 7);
CNT[4] = (CNT[4] << 1) | (CNT[3] >> 7);
CNT[3] = (CNT[3] << 1) | (CNT[2] >> 7);
CNT[2] = (CNT[2] << 1) | (CNT[1] >> 7);
CNT[1] = (CNT[1] << 1) | (CNT[0] >> 7);
if (fb0 == 1) {
CNT[0] = (CNT[0] << 1) ^ 0x95;
}
else {
CNT[0] = (CNT[0] << 1);
}
#endif
}
void block_cipher(
unsigned char* s,
const unsigned char* k, unsigned char* T,
unsigned char* CNT, unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
CNT[7] = D;
p_skinny_ctrl->func_skinny_128_384_enc(s, p_skinny_ctrl, CNT, T, k);
}
void nonce_encryption (
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
block_cipher(s,k,(unsigned char*)N,CNT,D,p_skinny_ctrl);
}
void generate_tag (
unsigned char** c, unsigned char* s,
unsigned long long* clen) {
#ifdef ___ENABLE_WORD_CAST
g8A_for_Tag_Generation(s, *c);
#else
g8A(s, *c);
#endif
*c = *c + 16;
*c = *c - *clen;
}
unsigned long long msg_encryption_eqov16 (
const unsigned char** M, unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* p_skinny_ctrl) {
rho_eqov16(*M, *c, s);
*c = *c + 16;
*M = *M + 16;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return mlen - 16;
}
unsigned long long msg_encryption_ud16 (
const unsigned char** M, unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* p_skinny_ctrl) {
rho_ud16(*M, *c, s, mlen);
*c = *c + mlen;
*M = *M + mlen;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return 0;
}
unsigned long long msg_decryption_eqov16 (
unsigned char** M, const unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long clen,
skinny_ctrl* p_skinny_ctrl) {
irho_eqov16(*M, *c, s);
*c = *c + 16;
*M = *M + 16;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return clen - 16;
}
unsigned long long msg_decryption_ud16 (
unsigned char** M, const unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long clen,
skinny_ctrl* p_skinny_ctrl) {
irho_ud16(*M, *c, s, clen);
*c = *c + clen;
*M = *M + clen;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return 0;
}
unsigned long long ad_encryption_eqov32 (
const unsigned char** A, unsigned char* s,
const unsigned char* k, unsigned long long adlen,
unsigned char* CNT,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
unsigned char T [16];
rho_ad_eqov16(*A, s);
*A = *A + 16;
lfsr_gf56(CNT);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&T[0]) = *(uint32_t*)(&(*A)[0]);
*(uint32_t*)(&T[4]) = *(uint32_t*)(&(*A)[4]);
*(uint32_t*)(&T[8]) = *(uint32_t*)(&(*A)[8]);
*(uint32_t*)(&T[12]) = *(uint32_t*)(&(*A)[12]);
#else
T[0] = (*A)[0];
T[1] = (*A)[1];
T[2] = (*A)[2];
T[3] = (*A)[3];
T[4] = (*A)[4];
T[5] = (*A)[5];
T[6] = (*A)[6];
T[7] = (*A)[7];
T[8] = (*A)[8];
T[9] = (*A)[9];
T[10] = (*A)[10];
T[11] = (*A)[11];
T[12] = (*A)[12];
T[13] = (*A)[13];
T[14] = (*A)[14];
T[15] = (*A)[15];
#endif
*A = *A + 16;
block_cipher(s,k,T,CNT,D,p_skinny_ctrl);
lfsr_gf56(CNT);
return adlen - 32;
}
unsigned long long ad_encryption_ov16 (
const unsigned char** A, unsigned char* s,
const unsigned char* k, unsigned long long adlen,
unsigned char* CNT,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
unsigned char T [16];
adlen = adlen - 16;
rho_ad_eqov16(*A, s);
*A = *A + 16;
lfsr_gf56(CNT);
pad(*A, T, adlen);
*A = *A + adlen;
block_cipher(s,k,T,CNT,D,p_skinny_ctrl);
lfsr_gf56(CNT);
return 0;
}
unsigned long long ad_encryption_eq16 (
const unsigned char** A, unsigned char* s,
unsigned char* CNT) {
rho_ad_eqov16(*A, s);
*A = *A + 16;
lfsr_gf56(CNT);
return 0;
}
unsigned long long ad_encryption_ud16(
const unsigned char** A, unsigned char* s,
unsigned long long adlen,
unsigned char* CNT) {
rho_ad_ud16(*A, s, adlen);
*A = *A + adlen;
lfsr_gf56(CNT);
return 0;
}
int crypto_aead_encrypt (
unsigned char* c, unsigned long long* clen,
const unsigned char* m, unsigned long long mlen,
const unsigned char* ad, unsigned long long adlen,
const unsigned char* nsec,
const unsigned char* npub,
const unsigned char* k) {
unsigned char s[16];
unsigned char CNT[8];
const unsigned char* A;
const unsigned char* M;
const unsigned char* N;
skinny_ctrl ctrl;
ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void) nsec;
A = ad;
M = m;
N = npub;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else while (adlen > 0) {
if (adlen < 16) { // The last block of AD is odd and incomplete
adlen = ad_encryption_ud16(&A,s,adlen,CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 16) { // The last block of AD is odd and complete
adlen = ad_encryption_eq16(&A,s,CNT);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else if (adlen < 32) { // The last block of AD is even and incomplete
adlen = ad_encryption_ov16(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 32) { // The last block of AD is even and complete
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else { // A normal full pair of blocks of AD
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
}
}
ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
*clen = mlen + 16;
if (mlen == 0) { // M is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x15,&ctrl);
}
else while (mlen > 0) {
if (mlen < 16) { // The last block of M is incomplete
mlen = msg_encryption_ud16(&M,&c,N,CNT,s,k,0x15,mlen,&ctrl);
}
else if (mlen == 16) { // The last block of M is complete
mlen = msg_encryption_eqov16(&M,&c,N,CNT,s,k,0x14,mlen,&ctrl);
}
else { // A normal full message block
mlen = msg_encryption_eqov16(&M,&c,N,CNT,s,k,0x04,mlen,&ctrl);
}
}
// Tag generation
generate_tag(&c,s,clen);
return 0;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k) {
unsigned char s[16];
unsigned char T[16];
unsigned char CNT[8];
const unsigned char* A;
unsigned char* M;
const unsigned char* N;
skinny_ctrl ctrl;
ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void) nsec;
A = ad;
M = m;
N = npub;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else while (adlen > 0) {
if (adlen < 16) { // The last block of AD is odd and incomplete
adlen = ad_encryption_ud16(&A,s,adlen,CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 16) { // The last block of AD is odd and complete
adlen = ad_encryption_eq16(&A,s,CNT);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else if (adlen < 32) { // The last block of AD is even and incomplete
adlen = ad_encryption_ov16(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 32) { // The last block of AD is even and complete
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else { // A normal full pair of blocks of AD
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
}
}
ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
clen = clen -16;
*mlen = clen;
if (clen == 0) { // C is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x15,&ctrl);
}
else while (clen > 0) {
if (clen < 16) { // The last block of C is incomplete
clen = msg_decryption_ud16(&M,&c,N,CNT,s,k,0x15,clen,&ctrl);
}
else if (clen == 16) { // The last block of C is complete
clen = msg_decryption_eqov16(&M,&c,N,CNT,s,k,0x14,clen,&ctrl);
}
else { // A normal full message block
clen = msg_decryption_eqov16(&M,&c,N,CNT,s,k,0x04,clen,&ctrl);
}
}
// Tag generation
#ifdef ___ENABLE_WORD_CAST
g8A_for_Tag_Generation(s, T);
#else
g8A(s, T);
#endif
for (int i = 0; i < 16; i++) {
if (T[i] != (*(c+i))) {
return -1;
}
}
return 0;
}
romulus/Implementations/crypto_aead/romulusn1+/opt32_NEC/skinny.h 0 → 100644
#define ___SKINNY_LOOP
//#define ___NUM_OF_ROUNDS_56
#define ___ENABLE_WORD_CAST
#include <stdint.h>
typedef struct ___skinny_ctrl {
#ifdef ___NUM_OF_ROUNDS_56
uint32_t roundKeys[240]; // number of rounds : 56
#else
uint32_t roundKeys[176]; // number of rounds : 40
#endif
void (*func_skinny_128_384_enc)(unsigned char*, struct ___skinny_ctrl*, unsigned char* CNT, unsigned char* T, const unsigned char* K);
} skinny_ctrl;
extern void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
#define pack_word(x0, x1, x2, x3, w) \
w = ((x3) << 24) ^ \
((x2) << 16) ^ \
((x1) << 8) ^ \
(x0);
#define unpack_word(x0, x1, x2, x3, w) \
x0 = ((w) & 0xff); \
x1 = (((w) >> 8) & 0xff); \
x2 = (((w) >> 16) & 0xff); \
x3 = ((w) >> 24);
#define PERMUTATION() \
/* permutation */ \
\
/* 7 6 5 4 3 2 1 0 */ \
/* 5 7 2 3 6 0 4 1 */ \
\
/* w0 (3 2 1 0) */ \
/* w1 (7 6 5 4) */ \
\
/* w0 (6 0 4 1) */ \
/* w1 (5 7 2 3) */ \
\
t0 = w1 << 8; /* 6 5 4 - */ \
t0 = t0 & 0xff00ff00; /* 6 - 4 - */ \
\
t1 = w1 << 16; /* 5 4 - - */ \
t1 = t1 & 0xff000000; /* 5 - - - */ \
\
t2 = w1 & 0xff000000; /* 7 - - - */ \
t2 = t2 >> 8; /* - 7 - - */ \
t1 = t1 ^ t2; /* 5 7 - - */ \
\
t2 = w0 & 0xff000000; /* 3 - - - */ \
t2 = t2 >> 24; /* - - - 3 */ \
t1 = t1 ^ t2; /* 5 7 - 3 */ \
\
w1 = w0 >> 8; /* - 3 2 1 */ \
w1 = w1 & 0x0000ff00; /* - - 2 - */ \
w1 = w1 ^ t1; /* 5 7 2 3 */ \
\
t2 = w0 & 0x0000ff00; /* - - 1 - */ \
t2 = t2 >> 8; /* - - - 1 */ \
t0 = t0 ^ t2; /* 6 - 4 1 */ \
\
w0 = w0 << 16; /* 1 0 - - */ \
w0 = w0 & 0x00ff0000; /* - 0 - - */ \
w0 = w0 ^ t0; /* 6 0 4 1 */
romulus/Implementations/crypto_aead/romulusn1+/opt32_NEC/skinny_key_schedule2.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* load * AC(c0 c1) ^ TK3
* calc AC(c0 c1) ^ TK2 -> store
* ART(TK2)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK2() \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK2) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x6 x5 x4 x3 x2 x1 x0 x7^x5) */ \
w0 = ((w0 << 1) & 0xfefefefe) ^ \
(((w0 >> 7) ^ (w0 >> 5)) & 0x01010101); \
w1 = ((w1 << 1) & 0xfefefefe) ^ \
(((w1 >> 7) ^ (w1 >> 5)) & 0x01010101); \
\
/* Load TK3 */ \
/* TK2^TK3^AC(c0 c1) */ \
/* store */ \
*tk2++ = w0 ^ *tk3++; \
*tk2++ = w1 ^ *tk3++; \
tk2 += 2; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 41th,43th, ... ,51th,53th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
}
#else
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
PERMUTATION_TK2();
}
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
PERMUTATION_TK2();
}
}
#endif
romulus/Implementations/crypto_aead/romulusn1+/opt32_NEC/skinny_key_schedule3.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* AC(c0 c1) ^ TK3 -> store
* ART(TK3)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK3(c0Val, c1Val) \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK3) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x0^x6 x7 x6 x5 x4 x3 x2 x1) */ \
w0 = ((w0 >> 1) & 0x7f7f7f7f) ^ \
(((w0 << 7) ^ (w0 << 1)) & 0x80808080); \
w1 = ((w1 >> 1) & 0x7f7f7f7f) ^ \
(((w1 << 7) ^ (w1 << 1)) & 0x80808080); \
\
/* K3^AC(c0 c1) */ \
/* store */ \
*tk3++ = w0 ^ c0Val; \
*tk3++ = w1 ^ c1Val; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK3(0x7, 0x000);
PERMUTATION_TK3(0xf, 0x100);
PERMUTATION_TK3(0xd, 0x300);
PERMUTATION_TK3(0x7, 0x300);
PERMUTATION_TK3(0xe, 0x100);
PERMUTATION_TK3(0x9, 0x300);
PERMUTATION_TK3(0x7, 0x200);
PERMUTATION_TK3(0xd, 0x100);
PERMUTATION_TK3(0x5, 0x300);
PERMUTATION_TK3(0x6, 0x100);
PERMUTATION_TK3(0x8, 0x100);
PERMUTATION_TK3(0x1, 0x200);
PERMUTATION_TK3(0x5, 0x000);
PERMUTATION_TK3(0x7, 0x100);
PERMUTATION_TK3(0xc, 0x100);
PERMUTATION_TK3(0x1, 0x300);
PERMUTATION_TK3(0x6, 0x000);
PERMUTATION_TK3(0xb, 0x100);
PERMUTATION_TK3(0xd, 0x200);
#ifdef ___NUM_OF_ROUNDS_56
// 41td,43th, ... ,53th,55th round
PERMUTATION_TK3(0x4, 0x300);
PERMUTATION_TK3(0x2, 0x100);
PERMUTATION_TK3(0x8, 0x000);
PERMUTATION_TK3(0x2, 0x200);
PERMUTATION_TK3(0x9, 0x000);
PERMUTATION_TK3(0x6, 0x200);
PERMUTATION_TK3(0x9, 0x100);
PERMUTATION_TK3(0x5, 0x200);
#endif
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,38th,40th round
PERMUTATION_TK3(0x3, 0x000);
PERMUTATION_TK3(0xf, 0x000);
PERMUTATION_TK3(0xe, 0x300);
PERMUTATION_TK3(0xb, 0x300);
PERMUTATION_TK3(0xf, 0x200);
PERMUTATION_TK3(0xc, 0x300);
PERMUTATION_TK3(0x3, 0x300);
PERMUTATION_TK3(0xe, 0x000);
PERMUTATION_TK3(0xa, 0x300);
PERMUTATION_TK3(0xb, 0x200);
PERMUTATION_TK3(0xc, 0x200);
PERMUTATION_TK3(0x0, 0x300);
PERMUTATION_TK3(0x2, 0x000);
PERMUTATION_TK3(0xb, 0x000);
PERMUTATION_TK3(0xe, 0x200);
PERMUTATION_TK3(0x8, 0x300);
PERMUTATION_TK3(0x3, 0x200);
PERMUTATION_TK3(0xd, 0x000);
PERMUTATION_TK3(0x6, 0x300);
PERMUTATION_TK3(0xa, 0x100);
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK3(0x9, 0x200);
PERMUTATION_TK3(0x4, 0x200);
PERMUTATION_TK3(0x1, 0x100);
PERMUTATION_TK3(0x4, 0x000);
PERMUTATION_TK3(0x3, 0x100);
PERMUTATION_TK3(0xc, 0x000);
PERMUTATION_TK3(0x2, 0x300);
PERMUTATION_TK3(0xa, 0x000);
#endif
}
#else
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
uint16_t c0;
uint16_t c1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
pRC += 4;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
pRC -= 78;
tk3 = &roundKeys[98];
#else
pRC -= 110;
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
}
#endif
romulus/Implementations/crypto_aead/romulusn1+/opt32_NEC/skinny_main.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* ART(TK1) -> store
* load AC(c0 c1) ^ TK3 ^ TK2
* load TK1
* calc AC(c0 c1) ^ TK3 ^ TK2 ^ TK1 -> use at (AC->ART)
* SC->SR->(AC->ART)->MC
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
/*
* S-BOX
*/
unsigned char SBOX[]
= {
// Original
0x65, 0x4c, 0x6a, 0x42, 0x4b, 0x63, 0x43, 0x6b, 0x55, 0x75, 0x5a, 0x7a, 0x53, 0x73, 0x5b, 0x7b,
0x35, 0x8c, 0x3a, 0x81, 0x89, 0x33, 0x80, 0x3b, 0x95, 0x25, 0x98, 0x2a, 0x90, 0x23, 0x99, 0x2b,
0xe5, 0xcc, 0xe8, 0xc1, 0xc9, 0xe0, 0xc0, 0xe9, 0xd5, 0xf5, 0xd8, 0xf8, 0xd0, 0xf0, 0xd9, 0xf9,
0xa5, 0x1c, 0xa8, 0x12, 0x1b, 0xa0, 0x13, 0xa9, 0x05, 0xb5, 0x0a, 0xb8, 0x03, 0xb0, 0x0b, 0xb9,
0x32, 0x88, 0x3c, 0x85, 0x8d, 0x34, 0x84, 0x3d, 0x91, 0x22, 0x9c, 0x2c, 0x94, 0x24, 0x9d, 0x2d,
0x62, 0x4a, 0x6c, 0x45, 0x4d, 0x64, 0x44, 0x6d, 0x52, 0x72, 0x5c, 0x7c, 0x54, 0x74, 0x5d, 0x7d,
0xa1, 0x1a, 0xac, 0x15, 0x1d, 0xa4, 0x14, 0xad, 0x02, 0xb1, 0x0c, 0xbc, 0x04, 0xb4, 0x0d, 0xbd,
0xe1, 0xc8, 0xec, 0xc5, 0xcd, 0xe4, 0xc4, 0xed, 0xd1, 0xf1, 0xdc, 0xfc, 0xd4, 0xf4, 0xdd, 0xfd,
0x36, 0x8e, 0x38, 0x82, 0x8b, 0x30, 0x83, 0x39, 0x96, 0x26, 0x9a, 0x28, 0x93, 0x20, 0x9b, 0x29,
0x66, 0x4e, 0x68, 0x41, 0x49, 0x60, 0x40, 0x69, 0x56, 0x76, 0x58, 0x78, 0x50, 0x70, 0x59, 0x79,
0xa6, 0x1e, 0xaa, 0x11, 0x19, 0xa3, 0x10, 0xab, 0x06, 0xb6, 0x08, 0xba, 0x00, 0xb3, 0x09, 0xbb,
0xe6, 0xce, 0xea, 0xc2, 0xcb, 0xe3, 0xc3, 0xeb, 0xd6, 0xf6, 0xda, 0xfa, 0xd3, 0xf3, 0xdb, 0xfb,
0x31, 0x8a, 0x3e, 0x86, 0x8f, 0x37, 0x87, 0x3f, 0x92, 0x21, 0x9e, 0x2e, 0x97, 0x27, 0x9f, 0x2f,
0x61, 0x48, 0x6e, 0x46, 0x4f, 0x67, 0x47, 0x6f, 0x51, 0x71, 0x5e, 0x7e, 0x57, 0x77, 0x5f, 0x7f,
0xa2, 0x18, 0xae, 0x16, 0x1f, 0xa7, 0x17, 0xaf, 0x01, 0xb2, 0x0e, 0xbe, 0x07, 0xb7, 0x0f, 0xbf,
0xe2, 0xca, 0xee, 0xc6, 0xcf, 0xe7, 0xc7, 0xef, 0xd2, 0xf2, 0xde, 0xfe, 0xd7, 0xf7, 0xdf, 0xff,
};
/*
* S-BOX ^ AC(c2)
*/
unsigned char SBOX2[]
= { // Original ^ c2(0x02)
0x67, 0x4e, 0x68, 0x40, 0x49, 0x61, 0x41, 0x69, 0x57, 0x77, 0x58, 0x78, 0x51, 0x71, 0x59, 0x79,
0x37, 0x8e, 0x38, 0x83, 0x8b, 0x31, 0x82, 0x39, 0x97, 0x27, 0x9a, 0x28, 0x92, 0x21, 0x9b, 0x29,
0xe7, 0xce, 0xea, 0xc3, 0xcb, 0xe2, 0xc2, 0xeb, 0xd7, 0xf7, 0xda, 0xfa, 0xd2, 0xf2, 0xdb, 0xfb,
0xa7, 0x1e, 0xaa, 0x10, 0x19, 0xa2, 0x11, 0xab, 0x07, 0xb7, 0x08, 0xba, 0x01, 0xb2, 0x09, 0xbb,
0x30, 0x8a, 0x3e, 0x87, 0x8f, 0x36, 0x86, 0x3f, 0x93, 0x20, 0x9e, 0x2e, 0x96, 0x26, 0x9f, 0x2f,
0x60, 0x48, 0x6e, 0x47, 0x4f, 0x66, 0x46, 0x6f, 0x50, 0x70, 0x5e, 0x7e, 0x56, 0x76, 0x5f, 0x7f,
0xa3, 0x18, 0xae, 0x17, 0x1f, 0xa6, 0x16, 0xaf, 0x00, 0xb3, 0x0e, 0xbe, 0x06, 0xb6, 0x0f, 0xbf,
0xe3, 0xca, 0xee, 0xc7, 0xcf, 0xe6, 0xc6, 0xef, 0xd3, 0xf3, 0xde, 0xfe, 0xd6, 0xf6, 0xdf, 0xff,
0x34, 0x8c, 0x3a, 0x80, 0x89, 0x32, 0x81, 0x3b, 0x94, 0x24, 0x98, 0x2a, 0x91, 0x22, 0x99, 0x2b,
0x64, 0x4c, 0x6a, 0x43, 0x4b, 0x62, 0x42, 0x6b, 0x54, 0x74, 0x5a, 0x7a, 0x52, 0x72, 0x5b, 0x7b,
0xa4, 0x1c, 0xa8, 0x13, 0x1b, 0xa1, 0x12, 0xa9, 0x04, 0xb4, 0x0a, 0xb8, 0x02, 0xb1, 0x0b, 0xb9,
0xe4, 0xcc, 0xe8, 0xc0, 0xc9, 0xe1, 0xc1, 0xe9, 0xd4, 0xf4, 0xd8, 0xf8, 0xd1, 0xf1, 0xd9, 0xf9,
0x33, 0x88, 0x3c, 0x84, 0x8d, 0x35, 0x85, 0x3d, 0x90, 0x23, 0x9c, 0x2c, 0x95, 0x25, 0x9d, 0x2d,
0x63, 0x4a, 0x6c, 0x44, 0x4d, 0x65, 0x45, 0x6d, 0x53, 0x73, 0x5c, 0x7c, 0x55, 0x75, 0x5d, 0x7d,
0xa0, 0x1a, 0xac, 0x14, 0x1d, 0xa5, 0x15, 0xad, 0x03, 0xb0, 0x0c, 0xbc, 0x05, 0xb5, 0x0d, 0xbd,
0xe0, 0xc8, 0xec, 0xc4, 0xcd, 0xe5, 0xc5, 0xed, 0xd0, 0xf0, 0xdc, 0xfc, 0xd5, 0xf5, 0xdd, 0xfd,
};
#ifdef ___SKINNY_LOOP
/*
* Round Constants
*/
unsigned char RC[]
= {
0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x0f, 0x01, 0x0e, 0x03, 0x0d, 0x03, 0x0b, 0x03,
0x07, 0x03, 0x0f, 0x02, 0x0e, 0x01, 0x0c, 0x03, 0x09, 0x03, 0x03, 0x03, 0x07, 0x02, 0x0e, 0x00,
0x0d, 0x01, 0x0a, 0x03, 0x05, 0x03, 0x0b, 0x02, 0x06, 0x01, 0x0c, 0x02, 0x08, 0x01, 0x00, 0x03,
0x01, 0x02, 0x02, 0x00, 0x05, 0x00, 0x0b, 0x00, 0x07, 0x01, 0x0e, 0x02, 0x0c, 0x01, 0x08, 0x03,
0x01, 0x03, 0x03, 0x02, 0x06, 0x00, 0x0d, 0x00, 0x0b, 0x01, 0x06, 0x03, 0x0d, 0x02, 0x0a, 0x01,
#ifdef ___NUM_OF_ROUNDS_56
0x04, 0x03, 0x09, 0x02, 0x02, 0x01, 0x04, 0x02, 0x08, 0x00, 0x01, 0x01, 0x02, 0x02, 0x04, 0x00,
0x09, 0x00, 0x03, 0x01, 0x06, 0x02, 0x0c, 0x00, 0x09, 0x01, 0x02, 0x03, 0x05, 0x02, 0x0a, 0x00,
#endif
};
#endif
extern void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2);
extern void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys);
#ifdef ___SKINNY_LOOP
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC);
#else
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys);
#endif
void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pack_word(K[0], K[1], K[2], K[3], pt[8]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pack_word(K[8], K[9], K[10], K[11], pt[10]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pt[8] = *(uint32_t*)(&K[0]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pt[10] = *(uint32_t*)(&K[8]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#endif
#ifdef ___SKINNY_LOOP
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys, RC);
#else
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
pskinny_ctrl->func_skinny_128_384_enc = skinny_128_384_enc12_12;
}
void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)T;
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#endif
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
#define PERMUTATION_TK1() \
/* permutation */ \
\
PERMUTATION(); \
\
/* store */ \
\
*tk1++ = w0; \
*tk1++ = w1;
#define SBOX_0(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0) ^ \
(t1 << 8) ^ \
(t2 << 16) ^ \
(t3 << 24);
#define SBOX_8(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 8) ^ \
(t1 << 16) ^ \
(t2 << 24) ^ \
(t3);
#define SBOX_16(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox2[t0]; /* AC(c2) */ \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 16) ^ \
(t1 << 24) ^ \
(t2) ^ \
(t3 << 8);
#define SBOX_24(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 24) ^ \
(t1) ^ \
(t2 << 8) ^ \
(t3 << 16);
#define SKINNY_MAIN() \
\
/* odd */ \
\
/* LUT(with ShiftRows) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* Load TK1 */ \
\
w0 ^= *tk1++; \
w1 ^= *tk1++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0; \
\
/* even */ \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* Load TK2^TK3^AC(c0 c1) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0;
#ifndef ___SKINNY_LOOP
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
tk1 = &roundKeys[0];
// 1st, ...,16th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 17th, ...,32th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 33th, ...,40th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#ifdef ___NUM_OF_ROUNDS_56
// 41th, ...,48th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 49th, ... ,56th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#endif
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#else
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
for(int i=0;i<7;i++)
{
PERMUTATION_TK1();
}
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
// 1st, ... ,32th or 48th round
#ifndef ___NUM_OF_ROUNDS_56
for(int j=0;j<2;j++)
#else
for(int j=0;j<3;j++)
#endif
{
tk1 = &roundKeys[0];
for(int i=0;i<8;i++)
{
SKINNY_MAIN();
}
}
// 33th , ... ,40th or 49th, .... ,56th round
{
tk1 = &roundKeys[0];
for(int i=0;i<4;i++)
{
SKINNY_MAIN();
}
}
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#endif
romulus/Implementations/crypto_aead/romulusn1/opt32_NEC/api.h 0 → 100644
#define CRYPTO_KEYBYTES 16
#define CRYPTO_NSECBYTES 0
#define CRYPTO_NPUBBYTES 16
#define CRYPTO_ABYTES 16
#define CRYPTO_NOOVERLAP 1
romulus/Implementations/crypto_aead/romulusn1/opt32_NEC/encrypt.c 0 → 100644
/*
* Date: 29 November 2018
* Contact: Thomas Peyrin - thomas.peyrin@gmail.com
* Mustafa Khairallah - mustafam001@e.ntu.edu.sg
*/
#include "crypto_aead.h"
#include "api.h"
#include "skinny.h"
#include <stdio.h>
#include <stdlib.h>
void pad (const unsigned char* m, unsigned char* mp, int len8) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&mp[0]) = 0;
*(uint32_t*)(&mp[4]) = 0;
*(uint32_t*)(&mp[8]) = 0;
*(uint32_t*)(&mp[12]) = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#else
mp[0] = 0;
mp[1] = 0;
mp[2] = 0;
mp[3] = 0;
mp[4] = 0;
mp[5] = 0;
mp[6] = 0;
mp[7] = 0;
mp[8] = 0;
mp[9] = 0;
mp[10] = 0;
mp[11] = 0;
mp[12] = 0;
mp[13] = 0;
mp[14] = 0;
mp[15] = (len8 & 0x0f);
for (int i = 0; i < len8; i++) {
mp[i] = m[i];
}
#endif
}
void g8A (unsigned char* s, unsigned char* c) {
#ifdef ___ENABLE_WORD_CAST
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t s0, s1, s2, s3;
uint32_t c0, c1, c2, c3;
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#ifdef ___ENABLE_WORD_CAST
void g8A_for_Tag_Generation (unsigned char* s, unsigned char* c) {
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t c0, c1, c2, c3;
c0 = ((s0 >> 1) & 0x7f7f7f7f) ^ ((s0 ^ (s0 << 7)) & 0x80808080);
c1 = ((s1 >> 1) & 0x7f7f7f7f) ^ ((s1 ^ (s1 << 7)) & 0x80808080);
c2 = ((s2 >> 1) & 0x7f7f7f7f) ^ ((s2 ^ (s2 << 7)) & 0x80808080);
c3 = ((s3 >> 1) & 0x7f7f7f7f) ^ ((s3 ^ (s3 << 7)) & 0x80808080);
// use byte access because of memory alignment.
// c is not always in word(4 byte) alignment.
c[0] = c0 &0xFF;
c[1] = (c0>>8) &0xFF;
c[2] = (c0>>16)&0xFF;
c[3] = c0>>24;
c[4] = c1 &0xFF;
c[5] = (c1>>8) &0xFF;
c[6] = (c1>>16)&0xFF;
c[7] = c1>>24;
c[8] = c2 &0xFF;
c[9] = (c2>>8) &0xFF;
c[10] = (c2>>16)&0xFF;
c[11] = c2>>24;
c[12] = c3 &0xFF;
c[13] = (c3>>8) &0xFF;
c[14] = (c3>>16)&0xFF;
c[15] = c3>>24;
}
#endif
#define rho_ad_eqov16_macro(i) \
s[i] = s[i] ^ m[i];
void rho_ad_eqov16 (
const unsigned char* m,
unsigned char* s) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&m[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&m[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&m[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&m[12]);
#else
rho_ad_eqov16_macro(0);
rho_ad_eqov16_macro(1);
rho_ad_eqov16_macro(2);
rho_ad_eqov16_macro(3);
rho_ad_eqov16_macro(4);
rho_ad_eqov16_macro(5);
rho_ad_eqov16_macro(6);
rho_ad_eqov16_macro(7);
rho_ad_eqov16_macro(8);
rho_ad_eqov16_macro(9);
rho_ad_eqov16_macro(10);
rho_ad_eqov16_macro(11);
rho_ad_eqov16_macro(12);
rho_ad_eqov16_macro(13);
rho_ad_eqov16_macro(14);
rho_ad_eqov16_macro(15);
#endif
}
#define rho_ad_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ad_ud16 (
const unsigned char* m,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
#else
rho_ad_ud16_macro(0);
rho_ad_ud16_macro(1);
rho_ad_ud16_macro(2);
rho_ad_ud16_macro(3);
rho_ad_ud16_macro(4);
rho_ad_ud16_macro(5);
rho_ad_ud16_macro(6);
rho_ad_ud16_macro(7);
rho_ad_ud16_macro(8);
rho_ad_ud16_macro(9);
rho_ad_ud16_macro(10);
rho_ad_ud16_macro(11);
rho_ad_ud16_macro(12);
rho_ad_ud16_macro(13);
rho_ad_ud16_macro(14);
rho_ad_ud16_macro(15);
#endif
}
void rho_eqov16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s) {
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&c[0]) = c0;
*(uint32_t*)(&c[4]) = c1;
*(uint32_t*)(&c[8]) = c2;
*(uint32_t*)(&c[12]) = c3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= m0;
s1 ^= m1;
s2 ^= m2;
s3 ^= m3;
c0 ^= m0;
c1 ^= m1;
c2 ^= m2;
c3 ^= m3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(c[0], c[1], c[2], c[3], c0);
unpack_word(c[4], c[5], c[6], c[7], c1);
unpack_word(c[8], c[9], c[10], c[11], c2);
unpack_word(c[12], c[13], c[14], c[15], c3);
#endif
}
#define rho_ud16_macro(i) \
s[i] = s[i] ^ mp[i];
void rho_ud16 (
const unsigned char* m,
unsigned char* c,
unsigned char* s,
int len8) {
unsigned char mp [16];
pad(m,mp,len8);
g8A(s,c);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&mp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&mp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&mp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&mp[12]);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#else
rho_ud16_macro(0);
rho_ud16_macro(1);
rho_ud16_macro(2);
rho_ud16_macro(3);
rho_ud16_macro(4);
rho_ud16_macro(5);
rho_ud16_macro(6);
rho_ud16_macro(7);
rho_ud16_macro(8);
rho_ud16_macro(9);
rho_ud16_macro(10);
rho_ud16_macro(11);
rho_ud16_macro(12);
rho_ud16_macro(13);
rho_ud16_macro(14);
rho_ud16_macro(15);
for (int i = 0; i < 16; i++) {
if (i < len8) {
c[i] = c[i] ^ mp[i];
}
else {
c[i] = 0;
}
}
#endif
}
void irho_eqov16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s) {
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
uint32_t c0 = *(uint32_t*)(&c[0]);
uint32_t c1 = *(uint32_t*)(&c[4]);
uint32_t c2 = *(uint32_t*)(&c[8]);
uint32_t c3 = *(uint32_t*)(&c[12]);
uint32_t s0 = *(uint32_t*)(&s[0]);
uint32_t s1 = *(uint32_t*)(&s[4]);
uint32_t s2 = *(uint32_t*)(&s[8]);
uint32_t s3 = *(uint32_t*)(&s[12]);
uint32_t m0 = *(uint32_t*)(&m[0]);
uint32_t m1 = *(uint32_t*)(&m[4]);
uint32_t m2 = *(uint32_t*)(&m[8]);
uint32_t m3 = *(uint32_t*)(&m[12]);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
*(uint32_t*)(&s[0]) = s0;
*(uint32_t*)(&s[4]) = s1;
*(uint32_t*)(&s[8]) = s2;
*(uint32_t*)(&s[12]) = s3;
*(uint32_t*)(&m[0]) = m0;
*(uint32_t*)(&m[4]) = m1;
*(uint32_t*)(&m[8]) = m2;
*(uint32_t*)(&m[12]) = m3;
#else
uint32_t c0, c1, c2, c3;
uint32_t s0, s1, s2, s3;
uint32_t m0, m1, m2, m3;
pack_word(m[0], m[1], m[2], m[3], m0);
pack_word(m[4], m[5], m[6], m[7], m1);
pack_word(m[8], m[9], m[10], m[11], m2);
pack_word(m[12], m[13], m[14], m[15], m3);
pack_word(s[0], s[1], s[2], s[3], s0);
pack_word(s[4], s[5], s[6], s[7], s1);
pack_word(s[8], s[9], s[10], s[11], s2);
pack_word(s[12], s[13], s[14], s[15], s3);
pack_word(c[0], c[1], c[2], c[3], c0);
pack_word(c[4], c[5], c[6], c[7], c1);
pack_word(c[8], c[9], c[10], c[11], c2);
pack_word(c[12], c[13], c[14], c[15], c3);
s0 ^= c0 ^ m0;
s1 ^= c1 ^ m1;
s2 ^= c2 ^ m2;
s3 ^= c3 ^ m3;
m0 ^= c0;
m1 ^= c1;
m2 ^= c2;
m3 ^= c3;
unpack_word(s[0], s[1], s[2], s[3], s0);
unpack_word(s[4], s[5], s[6], s[7], s1);
unpack_word(s[8], s[9], s[10], s[11], s2);
unpack_word(s[12], s[13], s[14], s[15], s3);
unpack_word(m[0], m[1], m[2], m[3], m0);
unpack_word(m[4], m[5], m[6], m[7], m1);
unpack_word(m[8], m[9], m[10], m[11], m2);
unpack_word(m[12], m[13], m[14], m[15], m3);
#endif
}
#define irho_ud16_macro(i) \
s[i] = s[i] ^ cp[i];
void irho_ud16 (
unsigned char* m,
const unsigned char* c,
unsigned char* s,
int len8) {
unsigned char cp [16];
pad(c,cp,len8);
g8A(s,m);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) ^= *(uint32_t*)(&cp[0]);
*(uint32_t*)(&s[4]) ^= *(uint32_t*)(&cp[4]);
*(uint32_t*)(&s[8]) ^= *(uint32_t*)(&cp[8]);
*(uint32_t*)(&s[12]) ^= *(uint32_t*)(&cp[12]);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#else
irho_ud16_macro(0);
irho_ud16_macro(1);
irho_ud16_macro(2);
irho_ud16_macro(3);
irho_ud16_macro(4);
irho_ud16_macro(5);
irho_ud16_macro(6);
irho_ud16_macro(7);
irho_ud16_macro(8);
irho_ud16_macro(9);
irho_ud16_macro(10);
irho_ud16_macro(11);
irho_ud16_macro(12);
irho_ud16_macro(13);
irho_ud16_macro(14);
irho_ud16_macro(15);
for (int i = 0; i < len8; i++) {
s[i] ^= m[i];
}
for (int i = 0; i < 16; i++) {
if (i < len8) {
m[i] = m[i] ^ cp[i];
}
else {
m[i] = 0;
}
}
#endif
}
void reset_lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&CNT[0]) = 0x00000001; // CNT3 CNT2 CNT1 CNT0
*(uint32_t*)(&CNT[4]) = 0x00000000; // CNT7 CNT6 CNT5 CNT4
#else
CNT[0] = 0x01;
CNT[1] = 0x00;
CNT[2] = 0x00;
CNT[3] = 0x00;
CNT[4] = 0x00;
CNT[5] = 0x00;
CNT[6] = 0x00;
#endif
}
void lfsr_gf56 (unsigned char* CNT) {
#ifdef ___ENABLE_WORD_CAST
uint32_t C0;
uint32_t C1;
uint32_t fb0;
C0 = *(uint32_t*)(&CNT[0]); // CNT3 CNT2 CNT1 CNT0
C1 = *(uint32_t*)(&CNT[4]); // CNT7 CNT6 CNT5 CNT4
fb0 = 0;
if (CNT[6] & 0x80) {
fb0 = 0x95;
}
C1 = C1 << 1 | C0 >> 31;
C0 = C0 << 1 ^ fb0;
*(uint32_t*)(&CNT[0]) = C0;
*(uint32_t*)(&CNT[4]) = C1;
#else
uint32_t fb0 = CNT[6] >> 7;
CNT[6] = (CNT[6] << 1) | (CNT[5] >> 7);
CNT[5] = (CNT[5] << 1) | (CNT[4] >> 7);
CNT[4] = (CNT[4] << 1) | (CNT[3] >> 7);
CNT[3] = (CNT[3] << 1) | (CNT[2] >> 7);
CNT[2] = (CNT[2] << 1) | (CNT[1] >> 7);
CNT[1] = (CNT[1] << 1) | (CNT[0] >> 7);
if (fb0 == 1) {
CNT[0] = (CNT[0] << 1) ^ 0x95;
}
else {
CNT[0] = (CNT[0] << 1);
}
#endif
}
void block_cipher(
unsigned char* s,
const unsigned char* k, unsigned char* T,
unsigned char* CNT, unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
CNT[7] = D;
p_skinny_ctrl->func_skinny_128_384_enc(s, p_skinny_ctrl, CNT, T, k);
}
void nonce_encryption (
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
block_cipher(s,k,(unsigned char*)N,CNT,D,p_skinny_ctrl);
}
void generate_tag (
unsigned char** c, unsigned char* s,
unsigned long long* clen) {
#ifdef ___ENABLE_WORD_CAST
g8A_for_Tag_Generation(s, *c);
#else
g8A(s, *c);
#endif
*c = *c + 16;
*c = *c - *clen;
}
unsigned long long msg_encryption_eqov16 (
const unsigned char** M, unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* p_skinny_ctrl) {
rho_eqov16(*M, *c, s);
*c = *c + 16;
*M = *M + 16;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return mlen - 16;
}
unsigned long long msg_encryption_ud16 (
const unsigned char** M, unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long mlen,
skinny_ctrl* p_skinny_ctrl) {
rho_ud16(*M, *c, s, mlen);
*c = *c + mlen;
*M = *M + mlen;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return 0;
}
unsigned long long msg_decryption_eqov16 (
unsigned char** M, const unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long clen,
skinny_ctrl* p_skinny_ctrl) {
irho_eqov16(*M, *c, s);
*c = *c + 16;
*M = *M + 16;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return clen - 16;
}
unsigned long long msg_decryption_ud16 (
unsigned char** M, const unsigned char** c,
const unsigned char* N,
unsigned char* CNT,
unsigned char*s, const unsigned char* k,
unsigned char D,
unsigned long long clen,
skinny_ctrl* p_skinny_ctrl) {
irho_ud16(*M, *c, s, clen);
*c = *c + clen;
*M = *M + clen;
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,D,p_skinny_ctrl);
return 0;
}
unsigned long long ad_encryption_eqov32 (
const unsigned char** A, unsigned char* s,
const unsigned char* k, unsigned long long adlen,
unsigned char* CNT,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
unsigned char T [16];
rho_ad_eqov16(*A, s);
*A = *A + 16;
lfsr_gf56(CNT);
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&T[0]) = *(uint32_t*)(&(*A)[0]);
*(uint32_t*)(&T[4]) = *(uint32_t*)(&(*A)[4]);
*(uint32_t*)(&T[8]) = *(uint32_t*)(&(*A)[8]);
*(uint32_t*)(&T[12]) = *(uint32_t*)(&(*A)[12]);
#else
T[0] = (*A)[0];
T[1] = (*A)[1];
T[2] = (*A)[2];
T[3] = (*A)[3];
T[4] = (*A)[4];
T[5] = (*A)[5];
T[6] = (*A)[6];
T[7] = (*A)[7];
T[8] = (*A)[8];
T[9] = (*A)[9];
T[10] = (*A)[10];
T[11] = (*A)[11];
T[12] = (*A)[12];
T[13] = (*A)[13];
T[14] = (*A)[14];
T[15] = (*A)[15];
#endif
*A = *A + 16;
block_cipher(s,k,T,CNT,D,p_skinny_ctrl);
lfsr_gf56(CNT);
return adlen - 32;
}
unsigned long long ad_encryption_ov16 (
const unsigned char** A, unsigned char* s,
const unsigned char* k, unsigned long long adlen,
unsigned char* CNT,
unsigned char D,
skinny_ctrl* p_skinny_ctrl) {
unsigned char T [16];
adlen = adlen - 16;
rho_ad_eqov16(*A, s);
*A = *A + 16;
lfsr_gf56(CNT);
pad(*A, T, adlen);
*A = *A + adlen;
block_cipher(s,k,T,CNT,D,p_skinny_ctrl);
lfsr_gf56(CNT);
return 0;
}
unsigned long long ad_encryption_eq16 (
const unsigned char** A, unsigned char* s,
unsigned char* CNT) {
rho_ad_eqov16(*A, s);
*A = *A + 16;
lfsr_gf56(CNT);
return 0;
}
unsigned long long ad_encryption_ud16(
const unsigned char** A, unsigned char* s,
unsigned long long adlen,
unsigned char* CNT) {
rho_ad_ud16(*A, s, adlen);
*A = *A + adlen;
lfsr_gf56(CNT);
return 0;
}
int crypto_aead_encrypt (
unsigned char* c, unsigned long long* clen,
const unsigned char* m, unsigned long long mlen,
const unsigned char* ad, unsigned long long adlen,
const unsigned char* nsec,
const unsigned char* npub,
const unsigned char* k) {
unsigned char s[16];
unsigned char CNT[8];
const unsigned char* A;
const unsigned char* M;
const unsigned char* N;
skinny_ctrl ctrl;
ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void) nsec;
A = ad;
M = m;
N = npub;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else while (adlen > 0) {
if (adlen < 16) { // The last block of AD is odd and incomplete
adlen = ad_encryption_ud16(&A,s,adlen,CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 16) { // The last block of AD is odd and complete
adlen = ad_encryption_eq16(&A,s,CNT);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else if (adlen < 32) { // The last block of AD is even and incomplete
adlen = ad_encryption_ov16(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 32) { // The last block of AD is even and complete
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else { // A normal full pair of blocks of AD
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
}
}
ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
*clen = mlen + 16;
if (mlen == 0) { // M is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x15,&ctrl);
}
else while (mlen > 0) {
if (mlen < 16) { // The last block of M is incomplete
mlen = msg_encryption_ud16(&M,&c,N,CNT,s,k,0x15,mlen,&ctrl);
}
else if (mlen == 16) { // The last block of M is complete
mlen = msg_encryption_eqov16(&M,&c,N,CNT,s,k,0x14,mlen,&ctrl);
}
else { // A normal full message block
mlen = msg_encryption_eqov16(&M,&c,N,CNT,s,k,0x04,mlen,&ctrl);
}
}
// Tag generation
generate_tag(&c,s,clen);
return 0;
}
int crypto_aead_decrypt(
unsigned char *m,unsigned long long *mlen,
unsigned char *nsec,
const unsigned char *c,unsigned long long clen,
const unsigned char *ad,unsigned long long adlen,
const unsigned char *npub,
const unsigned char *k) {
unsigned char s[16];
unsigned char T[16];
unsigned char CNT[8];
const unsigned char* A;
unsigned char* M;
const unsigned char* N;
skinny_ctrl ctrl;
ctrl.func_skinny_128_384_enc = skinny_128_384_enc123_12;
(void) nsec;
A = ad;
M = m;
N = npub;
#ifdef ___ENABLE_WORD_CAST
*(uint32_t*)(&s[0]) = 0;
*(uint32_t*)(&s[4]) = 0;
*(uint32_t*)(&s[8]) = 0;
*(uint32_t*)(&s[12]) = 0;
#else
s[0] = 0;
s[1] = 0;
s[2] = 0;
s[3] = 0;
s[4] = 0;
s[5] = 0;
s[6] = 0;
s[7] = 0;
s[8] = 0;
s[9] = 0;
s[10] = 0;
s[11] = 0;
s[12] = 0;
s[13] = 0;
s[14] = 0;
s[15] = 0;
#endif
reset_lfsr_gf56(CNT);
if (adlen == 0) { // AD is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else while (adlen > 0) {
if (adlen < 16) { // The last block of AD is odd and incomplete
adlen = ad_encryption_ud16(&A,s,adlen,CNT);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 16) { // The last block of AD is odd and complete
adlen = ad_encryption_eq16(&A,s,CNT);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else if (adlen < 32) { // The last block of AD is even and incomplete
adlen = ad_encryption_ov16(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x1a,&ctrl);
}
else if (adlen == 32) { // The last block of AD is even and complete
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
nonce_encryption(N,CNT,s,k,0x18,&ctrl);
}
else { // A normal full pair of blocks of AD
adlen = ad_encryption_eqov32(&A,s,k,adlen,CNT,0x08,&ctrl);
}
}
ctrl.func_skinny_128_384_enc = skinny_128_384_enc1_1;
reset_lfsr_gf56(CNT);
clen = clen -16;
*mlen = clen;
if (clen == 0) { // C is an empty string
lfsr_gf56(CNT);
nonce_encryption(N,CNT,s,k,0x15,&ctrl);
}
else while (clen > 0) {
if (clen < 16) { // The last block of C is incomplete
clen = msg_decryption_ud16(&M,&c,N,CNT,s,k,0x15,clen,&ctrl);
}
else if (clen == 16) { // The last block of C is complete
clen = msg_decryption_eqov16(&M,&c,N,CNT,s,k,0x14,clen,&ctrl);
}
else { // A normal full message block
clen = msg_decryption_eqov16(&M,&c,N,CNT,s,k,0x04,clen,&ctrl);
}
}
// Tag generation
#ifdef ___ENABLE_WORD_CAST
g8A_for_Tag_Generation(s, T);
#else
g8A(s, T);
#endif
for (int i = 0; i < 16; i++) {
if (T[i] != (*(c+i))) {
return -1;
}
}
return 0;
}
romulus/Implementations/crypto_aead/romulusn1/opt32_NEC/skinny.h 0 → 100644
#define ___SKINNY_LOOP
#define ___NUM_OF_ROUNDS_56
#define ___ENABLE_WORD_CAST
#include <stdint.h>
typedef struct ___skinny_ctrl {
#ifdef ___NUM_OF_ROUNDS_56
uint32_t roundKeys[240]; // number of rounds : 56
#else
uint32_t roundKeys[176]; // number of rounds : 40
#endif
void (*func_skinny_128_384_enc)(unsigned char*, struct ___skinny_ctrl*, unsigned char* CNT, unsigned char* T, const unsigned char* K);
} skinny_ctrl;
extern void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K);
#define pack_word(x0, x1, x2, x3, w) \
w = ((x3) << 24) ^ \
((x2) << 16) ^ \
((x1) << 8) ^ \
(x0);
#define unpack_word(x0, x1, x2, x3, w) \
x0 = ((w) & 0xff); \
x1 = (((w) >> 8) & 0xff); \
x2 = (((w) >> 16) & 0xff); \
x3 = ((w) >> 24);
#define PERMUTATION() \
/* permutation */ \
\
/* 7 6 5 4 3 2 1 0 */ \
/* 5 7 2 3 6 0 4 1 */ \
\
/* w0 (3 2 1 0) */ \
/* w1 (7 6 5 4) */ \
\
/* w0 (6 0 4 1) */ \
/* w1 (5 7 2 3) */ \
\
t0 = w1 << 8; /* 6 5 4 - */ \
t0 = t0 & 0xff00ff00; /* 6 - 4 - */ \
\
t1 = w1 << 16; /* 5 4 - - */ \
t1 = t1 & 0xff000000; /* 5 - - - */ \
\
t2 = w1 & 0xff000000; /* 7 - - - */ \
t2 = t2 >> 8; /* - 7 - - */ \
t1 = t1 ^ t2; /* 5 7 - - */ \
\
t2 = w0 & 0xff000000; /* 3 - - - */ \
t2 = t2 >> 24; /* - - - 3 */ \
t1 = t1 ^ t2; /* 5 7 - 3 */ \
\
w1 = w0 >> 8; /* - 3 2 1 */ \
w1 = w1 & 0x0000ff00; /* - - 2 - */ \
w1 = w1 ^ t1; /* 5 7 2 3 */ \
\
t2 = w0 & 0x0000ff00; /* - - 1 - */ \
t2 = t2 >> 8; /* - - - 1 */ \
t0 = t0 ^ t2; /* 6 - 4 1 */ \
\
w0 = w0 << 16; /* 1 0 - - */ \
w0 = w0 & 0x00ff0000; /* - 0 - - */ \
w0 = w0 ^ t0; /* 6 0 4 1 */
romulus/Implementations/crypto_aead/romulusn1/opt32_NEC/skinny_key_schedule2.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* load * AC(c0 c1) ^ TK3
* calc AC(c0 c1) ^ TK2 -> store
* ART(TK2)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK2() \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK2) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x6 x5 x4 x3 x2 x1 x0 x7^x5) */ \
w0 = ((w0 << 1) & 0xfefefefe) ^ \
(((w0 >> 7) ^ (w0 >> 5)) & 0x01010101); \
w1 = ((w1 << 1) & 0xfefefefe) ^ \
(((w1 >> 7) ^ (w1 >> 5)) & 0x01010101); \
\
/* Load TK3 */ \
/* TK2^TK3^AC(c0 c1) */ \
/* store */ \
*tk2++ = w0 ^ *tk3++; \
*tk2++ = w1 ^ *tk3++; \
tk2 += 2; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 41th,43th, ... ,51th,53th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
PERMUTATION_TK2();
#endif
}
#else
void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys)
{
uint32_t* tk2; // used in MACRO
uint32_t* tk3; // used in MACRO
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[4];
w1 = roundKeys[5];
tk2 = &roundKeys[16];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk2++ = w0 ^ *tk3++;
*tk2++ = w1 ^ *tk3++;
tk2 += 2;
tk3 += 2;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
PERMUTATION_TK2();
}
// even
// load master key
w0 = roundKeys[6];
w1 = roundKeys[7];
tk2 = &roundKeys[18];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
PERMUTATION_TK2();
}
}
#endif
romulus/Implementations/crypto_aead/romulusn1/opt32_NEC/skinny_key_schedule3.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* AC(c0 c1) ^ TK3 -> store
* ART(TK3)
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
#define PERMUTATION_TK3(c0Val, c1Val) \
\
/* permutation */ \
\
PERMUTATION() \
\
/* LFSR(for TK3) (x7 x6 x5 x4 x3 x2 x1 x0) -> (x0^x6 x7 x6 x5 x4 x3 x2 x1) */ \
w0 = ((w0 >> 1) & 0x7f7f7f7f) ^ \
(((w0 << 7) ^ (w0 << 1)) & 0x80808080); \
w1 = ((w1 >> 1) & 0x7f7f7f7f) ^ \
(((w1 << 7) ^ (w1 << 1)) & 0x80808080); \
\
/* K3^AC(c0 c1) */ \
/* store */ \
*tk3++ = w0 ^ c0Val; \
*tk3++ = w1 ^ c1Val; \
tk3 += 2;
#ifndef ___SKINNY_LOOP
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
// 3rd,5th, ... ,37th,39th round
PERMUTATION_TK3(0x7, 0x000);
PERMUTATION_TK3(0xf, 0x100);
PERMUTATION_TK3(0xd, 0x300);
PERMUTATION_TK3(0x7, 0x300);
PERMUTATION_TK3(0xe, 0x100);
PERMUTATION_TK3(0x9, 0x300);
PERMUTATION_TK3(0x7, 0x200);
PERMUTATION_TK3(0xd, 0x100);
PERMUTATION_TK3(0x5, 0x300);
PERMUTATION_TK3(0x6, 0x100);
PERMUTATION_TK3(0x8, 0x100);
PERMUTATION_TK3(0x1, 0x200);
PERMUTATION_TK3(0x5, 0x000);
PERMUTATION_TK3(0x7, 0x100);
PERMUTATION_TK3(0xc, 0x100);
PERMUTATION_TK3(0x1, 0x300);
PERMUTATION_TK3(0x6, 0x000);
PERMUTATION_TK3(0xb, 0x100);
PERMUTATION_TK3(0xd, 0x200);
#ifdef ___NUM_OF_ROUNDS_56
// 41td,43th, ... ,53th,55th round
PERMUTATION_TK3(0x4, 0x300);
PERMUTATION_TK3(0x2, 0x100);
PERMUTATION_TK3(0x8, 0x000);
PERMUTATION_TK3(0x2, 0x200);
PERMUTATION_TK3(0x9, 0x000);
PERMUTATION_TK3(0x6, 0x200);
PERMUTATION_TK3(0x9, 0x100);
PERMUTATION_TK3(0x5, 0x200);
#endif
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[98];
#else
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ... ,38th,40th round
PERMUTATION_TK3(0x3, 0x000);
PERMUTATION_TK3(0xf, 0x000);
PERMUTATION_TK3(0xe, 0x300);
PERMUTATION_TK3(0xb, 0x300);
PERMUTATION_TK3(0xf, 0x200);
PERMUTATION_TK3(0xc, 0x300);
PERMUTATION_TK3(0x3, 0x300);
PERMUTATION_TK3(0xe, 0x000);
PERMUTATION_TK3(0xa, 0x300);
PERMUTATION_TK3(0xb, 0x200);
PERMUTATION_TK3(0xc, 0x200);
PERMUTATION_TK3(0x0, 0x300);
PERMUTATION_TK3(0x2, 0x000);
PERMUTATION_TK3(0xb, 0x000);
PERMUTATION_TK3(0xe, 0x200);
PERMUTATION_TK3(0x8, 0x300);
PERMUTATION_TK3(0x3, 0x200);
PERMUTATION_TK3(0xd, 0x000);
PERMUTATION_TK3(0x6, 0x300);
PERMUTATION_TK3(0xa, 0x100);
#ifdef ___NUM_OF_ROUNDS_56
// 42nd,44th, ... ,54th,56th round
PERMUTATION_TK3(0x9, 0x200);
PERMUTATION_TK3(0x4, 0x200);
PERMUTATION_TK3(0x1, 0x100);
PERMUTATION_TK3(0x4, 0x000);
PERMUTATION_TK3(0x3, 0x100);
PERMUTATION_TK3(0xc, 0x000);
PERMUTATION_TK3(0x2, 0x300);
PERMUTATION_TK3(0xa, 0x000);
#endif
}
#else
void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC)
{
uint32_t *tk3;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t w0;
uint32_t w1;
uint16_t c0;
uint16_t c1;
// odd
// load master key
w0 = roundKeys[8];
w1 = roundKeys[9];
#ifndef ___NUM_OF_ROUNDS_56
tk3 = &roundKeys[96];
#else
tk3 = &roundKeys[128];
#endif
// 1st round
*tk3++ = w0 ^ 0x01;
*tk3++ = w1;
tk3 += 2;
pRC += 4;
// 3rd,5th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<19;i++)
#else
for(int i=0;i<27;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
// even
// load master key
w0 = roundKeys[10];
w1 = roundKeys[11];
#ifndef ___NUM_OF_ROUNDS_56
pRC -= 78;
tk3 = &roundKeys[98];
#else
pRC -= 110;
tk3 = &roundKeys[130];
#endif
// 2nd,4th, ...
#ifndef ___NUM_OF_ROUNDS_56
for(int i=0;i<20;i++)
#else
for(int i=0;i<28;i++)
#endif
{
c0 = *pRC++;
c1 = *pRC++;
c1 <<= 8;
pRC += 2;
PERMUTATION_TK3(c0, c1);
}
}
#endif
romulus/Implementations/crypto_aead/romulusn1/opt32_NEC/skinny_main.c 0 → 100644
/******************************************************************************
* Copyright (c) 2020, NEC Corporation.
*
* THIS CODE IS FURNISHED TO YOU "AS IS" WITHOUT WARRANTY OF ANY KIND.
*
*****************************************************************************/
/*
* SKINNY-128-384
*
* ART(TK1) -> store
* load AC(c0 c1) ^ TK3 ^ TK2
* load TK1
* calc AC(c0 c1) ^ TK3 ^ TK2 ^ TK1 -> use at (AC->ART)
* SC->SR->(AC->ART)->MC
*
* number of rounds : 40 or 56
*/
#include "skinny.h"
/*
* S-BOX
*/
unsigned char SBOX[]
= {
// Original
0x65, 0x4c, 0x6a, 0x42, 0x4b, 0x63, 0x43, 0x6b, 0x55, 0x75, 0x5a, 0x7a, 0x53, 0x73, 0x5b, 0x7b,
0x35, 0x8c, 0x3a, 0x81, 0x89, 0x33, 0x80, 0x3b, 0x95, 0x25, 0x98, 0x2a, 0x90, 0x23, 0x99, 0x2b,
0xe5, 0xcc, 0xe8, 0xc1, 0xc9, 0xe0, 0xc0, 0xe9, 0xd5, 0xf5, 0xd8, 0xf8, 0xd0, 0xf0, 0xd9, 0xf9,
0xa5, 0x1c, 0xa8, 0x12, 0x1b, 0xa0, 0x13, 0xa9, 0x05, 0xb5, 0x0a, 0xb8, 0x03, 0xb0, 0x0b, 0xb9,
0x32, 0x88, 0x3c, 0x85, 0x8d, 0x34, 0x84, 0x3d, 0x91, 0x22, 0x9c, 0x2c, 0x94, 0x24, 0x9d, 0x2d,
0x62, 0x4a, 0x6c, 0x45, 0x4d, 0x64, 0x44, 0x6d, 0x52, 0x72, 0x5c, 0x7c, 0x54, 0x74, 0x5d, 0x7d,
0xa1, 0x1a, 0xac, 0x15, 0x1d, 0xa4, 0x14, 0xad, 0x02, 0xb1, 0x0c, 0xbc, 0x04, 0xb4, 0x0d, 0xbd,
0xe1, 0xc8, 0xec, 0xc5, 0xcd, 0xe4, 0xc4, 0xed, 0xd1, 0xf1, 0xdc, 0xfc, 0xd4, 0xf4, 0xdd, 0xfd,
0x36, 0x8e, 0x38, 0x82, 0x8b, 0x30, 0x83, 0x39, 0x96, 0x26, 0x9a, 0x28, 0x93, 0x20, 0x9b, 0x29,
0x66, 0x4e, 0x68, 0x41, 0x49, 0x60, 0x40, 0x69, 0x56, 0x76, 0x58, 0x78, 0x50, 0x70, 0x59, 0x79,
0xa6, 0x1e, 0xaa, 0x11, 0x19, 0xa3, 0x10, 0xab, 0x06, 0xb6, 0x08, 0xba, 0x00, 0xb3, 0x09, 0xbb,
0xe6, 0xce, 0xea, 0xc2, 0xcb, 0xe3, 0xc3, 0xeb, 0xd6, 0xf6, 0xda, 0xfa, 0xd3, 0xf3, 0xdb, 0xfb,
0x31, 0x8a, 0x3e, 0x86, 0x8f, 0x37, 0x87, 0x3f, 0x92, 0x21, 0x9e, 0x2e, 0x97, 0x27, 0x9f, 0x2f,
0x61, 0x48, 0x6e, 0x46, 0x4f, 0x67, 0x47, 0x6f, 0x51, 0x71, 0x5e, 0x7e, 0x57, 0x77, 0x5f, 0x7f,
0xa2, 0x18, 0xae, 0x16, 0x1f, 0xa7, 0x17, 0xaf, 0x01, 0xb2, 0x0e, 0xbe, 0x07, 0xb7, 0x0f, 0xbf,
0xe2, 0xca, 0xee, 0xc6, 0xcf, 0xe7, 0xc7, 0xef, 0xd2, 0xf2, 0xde, 0xfe, 0xd7, 0xf7, 0xdf, 0xff,
};
/*
* S-BOX ^ AC(c2)
*/
unsigned char SBOX2[]
= { // Original ^ c2(0x02)
0x67, 0x4e, 0x68, 0x40, 0x49, 0x61, 0x41, 0x69, 0x57, 0x77, 0x58, 0x78, 0x51, 0x71, 0x59, 0x79,
0x37, 0x8e, 0x38, 0x83, 0x8b, 0x31, 0x82, 0x39, 0x97, 0x27, 0x9a, 0x28, 0x92, 0x21, 0x9b, 0x29,
0xe7, 0xce, 0xea, 0xc3, 0xcb, 0xe2, 0xc2, 0xeb, 0xd7, 0xf7, 0xda, 0xfa, 0xd2, 0xf2, 0xdb, 0xfb,
0xa7, 0x1e, 0xaa, 0x10, 0x19, 0xa2, 0x11, 0xab, 0x07, 0xb7, 0x08, 0xba, 0x01, 0xb2, 0x09, 0xbb,
0x30, 0x8a, 0x3e, 0x87, 0x8f, 0x36, 0x86, 0x3f, 0x93, 0x20, 0x9e, 0x2e, 0x96, 0x26, 0x9f, 0x2f,
0x60, 0x48, 0x6e, 0x47, 0x4f, 0x66, 0x46, 0x6f, 0x50, 0x70, 0x5e, 0x7e, 0x56, 0x76, 0x5f, 0x7f,
0xa3, 0x18, 0xae, 0x17, 0x1f, 0xa6, 0x16, 0xaf, 0x00, 0xb3, 0x0e, 0xbe, 0x06, 0xb6, 0x0f, 0xbf,
0xe3, 0xca, 0xee, 0xc7, 0xcf, 0xe6, 0xc6, 0xef, 0xd3, 0xf3, 0xde, 0xfe, 0xd6, 0xf6, 0xdf, 0xff,
0x34, 0x8c, 0x3a, 0x80, 0x89, 0x32, 0x81, 0x3b, 0x94, 0x24, 0x98, 0x2a, 0x91, 0x22, 0x99, 0x2b,
0x64, 0x4c, 0x6a, 0x43, 0x4b, 0x62, 0x42, 0x6b, 0x54, 0x74, 0x5a, 0x7a, 0x52, 0x72, 0x5b, 0x7b,
0xa4, 0x1c, 0xa8, 0x13, 0x1b, 0xa1, 0x12, 0xa9, 0x04, 0xb4, 0x0a, 0xb8, 0x02, 0xb1, 0x0b, 0xb9,
0xe4, 0xcc, 0xe8, 0xc0, 0xc9, 0xe1, 0xc1, 0xe9, 0xd4, 0xf4, 0xd8, 0xf8, 0xd1, 0xf1, 0xd9, 0xf9,
0x33, 0x88, 0x3c, 0x84, 0x8d, 0x35, 0x85, 0x3d, 0x90, 0x23, 0x9c, 0x2c, 0x95, 0x25, 0x9d, 0x2d,
0x63, 0x4a, 0x6c, 0x44, 0x4d, 0x65, 0x45, 0x6d, 0x53, 0x73, 0x5c, 0x7c, 0x55, 0x75, 0x5d, 0x7d,
0xa0, 0x1a, 0xac, 0x14, 0x1d, 0xa5, 0x15, 0xad, 0x03, 0xb0, 0x0c, 0xbc, 0x05, 0xb5, 0x0d, 0xbd,
0xe0, 0xc8, 0xec, 0xc4, 0xcd, 0xe5, 0xc5, 0xed, 0xd0, 0xf0, 0xdc, 0xfc, 0xd5, 0xf5, 0xdd, 0xfd,
};
#ifdef ___SKINNY_LOOP
/*
* Round Constants
*/
unsigned char RC[]
= {
0x01, 0x00, 0x03, 0x00, 0x07, 0x00, 0x0f, 0x00, 0x0f, 0x01, 0x0e, 0x03, 0x0d, 0x03, 0x0b, 0x03,
0x07, 0x03, 0x0f, 0x02, 0x0e, 0x01, 0x0c, 0x03, 0x09, 0x03, 0x03, 0x03, 0x07, 0x02, 0x0e, 0x00,
0x0d, 0x01, 0x0a, 0x03, 0x05, 0x03, 0x0b, 0x02, 0x06, 0x01, 0x0c, 0x02, 0x08, 0x01, 0x00, 0x03,
0x01, 0x02, 0x02, 0x00, 0x05, 0x00, 0x0b, 0x00, 0x07, 0x01, 0x0e, 0x02, 0x0c, 0x01, 0x08, 0x03,
0x01, 0x03, 0x03, 0x02, 0x06, 0x00, 0x0d, 0x00, 0x0b, 0x01, 0x06, 0x03, 0x0d, 0x02, 0x0a, 0x01,
#ifdef ___NUM_OF_ROUNDS_56
0x04, 0x03, 0x09, 0x02, 0x02, 0x01, 0x04, 0x02, 0x08, 0x00, 0x01, 0x01, 0x02, 0x02, 0x04, 0x00,
0x09, 0x00, 0x03, 0x01, 0x06, 0x02, 0x0c, 0x00, 0x09, 0x01, 0x02, 0x03, 0x05, 0x02, 0x0a, 0x00,
#endif
};
#endif
extern void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2);
extern void RunEncryptionKeyScheduleTK2(uint32_t *roundKeys);
#ifdef ___SKINNY_LOOP
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys, unsigned char *pRC);
#else
extern void RunEncryptionKeyScheduleTK3(uint32_t *roundKeys);
#endif
void skinny_128_384_enc123_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pack_word(K[0], K[1], K[2], K[3], pt[8]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pack_word(K[8], K[9], K[10], K[11], pt[10]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
pt[8] = *(uint32_t*)(&K[0]);
pack_word(K[7], K[4], K[5], K[6], pt[9]);
pt[10] = *(uint32_t*)(&K[8]);
pack_word(K[15], K[12], K[13], K[14], pt[11]);
#endif
#ifdef ___SKINNY_LOOP
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys, RC);
#else
RunEncryptionKeyScheduleTK3(pskinny_ctrl->roundKeys);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
pskinny_ctrl->func_skinny_128_384_enc = skinny_128_384_enc12_12;
}
void skinny_128_384_enc12_12 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pack_word(T[0], T[1], T[2], T[3], pt[4]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pack_word(T[8], T[9], T[10], T[11], pt[6]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
pt[4] = *(uint32_t*)(&T[0]);
pack_word(T[7], T[4], T[5], T[6], pt[5]);
pt[6] = *(uint32_t*)(&T[8]);
pack_word(T[15], T[12], T[13], T[14], pt[7]);
#endif
RunEncryptionKeyScheduleTK2(pskinny_ctrl->roundKeys);
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
extern void skinny_128_384_enc1_1 (unsigned char* input, skinny_ctrl* pskinny_ctrl, unsigned char* CNT, unsigned char* T, const unsigned char* K)
{
(void)T;
(void)K;
uint32_t *pt = &pskinny_ctrl->roundKeys[0];
#ifndef ___ENABLE_WORD_CAST
pack_word(CNT[0], CNT[1], CNT[2], CNT[3], pt[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#else
pt[0] = *(uint32_t*)(&CNT[0]);
pack_word(CNT[7], CNT[4], CNT[5], CNT[6], pt[1]);
#endif
Encrypt(input, pskinny_ctrl->roundKeys, SBOX, SBOX2);
}
#define PERMUTATION_TK1() \
/* permutation */ \
\
PERMUTATION(); \
\
/* store */ \
\
*tk1++ = w0; \
*tk1++ = w1;
#define SBOX_0(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0) ^ \
(t1 << 8) ^ \
(t2 << 16) ^ \
(t3 << 24);
#define SBOX_8(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 8) ^ \
(t1 << 16) ^ \
(t2 << 24) ^ \
(t3);
#define SBOX_16(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox2[t0]; /* AC(c2) */ \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 16) ^ \
(t1 << 24) ^ \
(t2) ^ \
(t3 << 8);
#define SBOX_24(w) \
\
t0 = (w) & 0xff; \
t1 = (w >> 8) & 0xff; \
t2 = (w >> 16) & 0xff; \
t3 = (w >> 24); \
\
t0 = sbox[t0]; \
t1 = sbox[t1]; \
t2 = sbox[t2]; \
t3 = sbox[t3]; \
\
w = (t0 << 24) ^ \
(t1) ^ \
(t2 << 8) ^ \
(t3 << 16);
#define SKINNY_MAIN() \
\
/* odd */ \
\
/* LUT(with ShiftRows) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* Load TK1 */ \
\
w0 ^= *tk1++; \
w1 ^= *tk1++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0; \
\
/* even */ \
\
/* LUT(with ShiftRows & AC(c2) */ \
\
SBOX_0(w0); \
SBOX_8(w1); \
SBOX_16(w2); \
SBOX_24(w3); \
\
/* Load TK2^TK3^AC(c0 c1) */ \
\
w0 ^= *tk2++; \
w1 ^= *tk2++; \
\
/* MC */ \
/* 0 2 3 */ \
/* 0 */ \
/* 1 2 */ \
/* 0 2 */ \
\
/* 0^2 */ \
t0 = w0 ^ w2; \
\
/* 1^2 */ \
w2 = w1 ^ w2; \
\
/* 0 */ \
w1 = w0; \
\
/* 0^2^3 */ \
w0 = t0 ^ w3; \
\
/* 0^2 */ \
w3 = t0;
#ifndef ___SKINNY_LOOP
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
PERMUTATION_TK1();
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
tk1 = &roundKeys[0];
// 1st, ...,16th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 17th, ...,32th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 33th, ...,40th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#ifdef ___NUM_OF_ROUNDS_56
// 41th, ...,48th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
tk1 = &roundKeys[0];
// 49th, ... ,56th round
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
SKINNY_MAIN();
#endif
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#else
void Encrypt(unsigned char *block, uint32_t *roundKeys, unsigned char *sbox, unsigned char *sbox2)
{
uint32_t *tk1;
uint32_t *tk2;
uint32_t t0; // used in MACRO
uint32_t t1; // used in MACRO
uint32_t t2; // used in MACRO
uint32_t t3; // used in MACRO
uint32_t w0;
uint32_t w1;
uint32_t w2;
uint32_t w3;
// TK1
// load master key
w0 = roundKeys[0];
w1 = roundKeys[1];
// 1st round
// not need to store
tk1 = &roundKeys[2];
// 2nd, ... ,8th round
for(int i=0;i<7;i++)
{
PERMUTATION_TK1();
}
// SB+AC+ShR+MC
#ifndef ___ENABLE_WORD_CAST
pack_word(block[0], block[1], block[2], block[3], w0);
pack_word(block[4], block[5], block[6], block[7], w1);
pack_word(block[8], block[9], block[10], block[11], w2);
pack_word(block[12], block[13], block[14], block[15], w3);
#else
w0 = *(uint32_t*)(&block[0]);
w1 = *(uint32_t*)(&block[4]);
w2 = *(uint32_t*)(&block[8]);
w3 = *(uint32_t*)(&block[12]);
#endif
tk2 = &roundKeys[16];
// 1st, ... ,32th or 48th round
#ifndef ___NUM_OF_ROUNDS_56
for(int j=0;j<2;j++)
#else
for(int j=0;j<3;j++)
#endif
{
tk1 = &roundKeys[0];
for(int i=0;i<8;i++)
{
SKINNY_MAIN();
}
}
// 33th , ... ,40th or 49th, .... ,56th round
{
tk1 = &roundKeys[0];
for(int i=0;i<4;i++)
{
SKINNY_MAIN();
}
}
#ifndef ___ENABLE_WORD_CAST
unpack_word(block[0], block[1], block[2], block[3], w0);
unpack_word(block[4], block[5], block[6], block[7], w1);
unpack_word(block[8], block[9], block[10], block[11], w2);
unpack_word(block[12], block[13], block[14], block[15], w3);
#else
*(uint32_t*)(&block[0]) = w0;
*(uint32_t*)(&block[4]) = w1;
*(uint32_t*)(&block[8]) = w2;
*(uint32_t*)(&block[12]) = w3;
#endif
}
#endif
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