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Commit 017a9cea by Hongjun Wu Committed by Sebastian Renner
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tinyjambu with for loop

parent 109ff80f
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Showing with 189 additions and 199 deletions
tinyjambu/Implementations/crypto_aead/tinyjambu192/opt/encrypt.c
/*
TinyJAMBU-192: 192-bit key, 96-bit IV
Optimized Implementation for 32-bit processor
Optimized Implementation for 32-bit processor
The state consists of four 32-bit registers
state[3] || state[2] || state[1] || state[0]
Implemented by Hongjun Wu
Implemented by Hongjun Wu
*/
#include <string.h>
#include <stdio.h>
#include "crypto_aead.h"
#define FrameBitsIV 0x10
......@@ -165,7 +163,7 @@ int crypto_aead_encrypt(
((unsigned int*)mac)[1] = state[2];
*clen = mlen + 8;
memcpy(c + mlen, mac, 8);
for (j = 0; j < 8; j++) c[mlen+j] = mac[j];
return 0;
}
......
tinyjambu/Implementations/crypto_aead/tinyjambu192/ref/encrypt.c
/*
TinyJAMBU: 192-bit key, 96-bit IV
Reference implementation for 32-bit CPU
Reference implementation for 32-bit CPU
The state consists of four 32-bit registers
state[3] || state[2] || state[1] || state[0]
Implemented by: Hongjun Wu
Implemented by: Hongjun Wu
*/
#include <string.h>
#include <stdio.h>
#include "crypto_aead.h"
#define FrameBitsIV 0x10
......@@ -42,21 +40,21 @@ void state_update(unsigned int *state, const unsigned char *key, unsigned int nu
/* The input to initialization is the 192-bit key; 96-bit IV;*/
void initialization(const unsigned char *key, const unsigned char *iv, unsigned int *state)
{
int i;
int i;
//initialize the state as 0
for (i = 0; i < 4; i++) state[i] = 0;
//initialize the state as 0
for (i = 0; i < 4; i++) state[i] = 0;
//update the state with the key
state_update(state, key, NROUND2);
//update the state with the key
state_update(state, key, NROUND2);
//introduce IV into the state
for (i = 0; i < 3; i++)
{
state[1] ^= FrameBitsIV;
state_update(state, key, NROUND1);
state[3] ^= ((unsigned int*)iv)[i];
}
//introduce IV into the state
for (i = 0; i < 3; i++)
{
state[1] ^= FrameBitsIV;
state_update(state, key, NROUND1);
state[3] ^= ((unsigned int*)iv)[i];
}
}
//process the associated data
......@@ -92,15 +90,15 @@ int crypto_aead_encrypt(
const unsigned char *k
)
{
unsigned long long i;
unsigned long long i;
unsigned int j;
unsigned char mac[8];
unsigned int state[4];
unsigned char mac[8];
unsigned int state[4];
//initialization stage
initialization(k, npub, state);
//initialization stage
initialization(k, npub, state);
//process the associated data
//process the associated data
process_ad(k, ad, adlen, state);
//process the plaintext
......@@ -133,10 +131,10 @@ int crypto_aead_encrypt(
state_update(state, k, NROUND1);
((unsigned int*)mac)[1] = state[2];
*clen = mlen + 8;
memcpy(c + mlen, mac, 8);
*clen = mlen + 8;
for (j = 0; j < 8; j++) c[mlen+j] = mac[j];
return 0;
return 0;
}
//decrypt a message
......@@ -195,6 +193,6 @@ int crypto_aead_decrypt(
//verification of the authentication tag
for (j = 0; j < 8; j++) { check |= (mac[j] ^ c[clen - 8 + j]); }
if (check == 0) return 0;
else return -1;
if (check == 0) return 0;
else return -1;
}
tinyjambu/Implementations/crypto_aead/tinyjambu256/opt/encrypt.c
/*
TinyJAMBU-256: 256-bit key, 96-bit IV
Optimized implementation
Optimized implementation
The state consists of four 32-bit registers
state[3] || state[2] || state[1] || state[0]
Implemented by: Hongjun Wu
Implemented by: Hongjun Wu
*/
#include <string.h>
#include <stdio.h>
#include "crypto_aead.h"
#define FrameBitsIV 0x10
......@@ -61,18 +59,18 @@ void initialization(const unsigned char *key, const unsigned char *iv, unsigned
int i;
//initialize the state as 0
for (i = 0; i < 4; i++) state[i] = 0;
for (i = 0; i < 4; i++) state[i] = 0;
//update the state with the key
state_update(state, key, NROUND2);
//update the state with the key
state_update(state, key, NROUND2);
//introduce IV into the state
//introduce IV into the state
for (i = 0; i < 3; i++)
{
state[1] ^= FrameBitsIV;
state_update(state, key, NROUND1);
state[3] ^= ((unsigned int*)iv)[i];
}
state[1] ^= FrameBitsIV;
state_update(state, key, NROUND1);
state[3] ^= ((unsigned int*)iv)[i];
}
}
//process the associated data
......@@ -150,8 +148,8 @@ int crypto_aead_encrypt(
((unsigned int*)mac)[1] = state[2];
*clen = mlen + 8;
memcpy(c + mlen, mac, 8);
for (j = 0; j < 8; j++) c[mlen+j] = mac[j];
return 0;
}
......
tinyjambu/Implementations/crypto_aead/tinyjambu256/ref/encrypt.c
/*
TinyJAMBU-256: 256-bit key, 96-bit IV
Reference Implementation for 32-bit processor
Reference Implementation for 32-bit processor
The state consists of four 32-bit registers
state[3] || state[2] || state[1] || state[0]
Implemented by Hongjun Wu
Implemented by Hongjun Wu
*/
#include <string.h>
#include <stdio.h>
#include "crypto_aead.h"
#define FrameBitsIV 0x10
......@@ -42,21 +40,21 @@ void state_update(unsigned int *state, const unsigned char *key, unsigned int nu
/* The input to initialization is the 128-bit key; 96-bit IV;*/
void initialization(const unsigned char *key, const unsigned char *iv, unsigned int *state)
{
int i;
int i;
//initialize the state as 0
for (i = 0; i < 4; i++) state[i] = 0;
//initialize the state as 0
for (i = 0; i < 4; i++) state[i] = 0;
//update the state with the key
state_update(state, key, NROUND2);
//update the state with the key
state_update(state, key, NROUND2);
//introduce IV into the state
for (i = 0; i < 3; i++)
{
state[1] ^= FrameBitsIV;
state_update(state, key, NROUND1);
state[3] ^= ((unsigned int*)iv)[i];
}
//introduce IV into the state
for (i = 0; i < 3; i++)
{
state[1] ^= FrameBitsIV;
state_update(state, key, NROUND1);
state[3] ^= ((unsigned int*)iv)[i];
}
}
//process the associated data
......@@ -92,15 +90,15 @@ int crypto_aead_encrypt(
const unsigned char *k
)
{
unsigned long long i;
unsigned long long i;
unsigned int j;
unsigned char mac[8];
unsigned int state[4];
unsigned char mac[8];
unsigned int state[4];
//initialization stage
initialization(k, npub, state);
//initialization stage
initialization(k, npub, state);
//process the associated data
//process the associated data
process_ad(k, ad, adlen, state);
//process the plaintext
......@@ -133,10 +131,10 @@ int crypto_aead_encrypt(
state_update(state, k, NROUND1);
((unsigned int*)mac)[1] = state[2];
*clen = mlen + 8;
memcpy(c + mlen, mac, 8);
*clen = mlen + 8;
for (j = 0; j < 8; j++) c[mlen+j] = mac[j];
return 0;
return 0;
}
//decrypt a message
......@@ -194,6 +192,6 @@ int crypto_aead_decrypt(
//verification of the authentication tag
for (j = 0; j < 8; j++) { check |= (mac[j] ^ c[clen - 8 + j]); }
if (check == 0) return 0;
else return -1;
if (check == 0) return 0;
else return -1;
}
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