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Commit 86ea9196 by Enrico Pozzobon
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Merge branch 'master' into patched-for-tester

parents 8931c307 cad26506
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Showing with 1341 additions and 1375 deletions
drygascon/Implementations/crypto_aead/drygascon128/add_arm_cortex-m/drygascon128_arm-v6m.S
......@@ -4,8 +4,11 @@ Sebastien Riou, May 27th 2020
Implementation optimized for ARM-Cortex-M0 (Size and Speed)
*/
//define __DRYGASCON_ARM_SELECTOR_V6M__ or add drygascon128_arm_selector.h to includes
#ifndef __DRYGASCON_ARM_SELECTOR_V6M__
#include "drygascon128_arm_selector.h"
#endif
#if defined(__DRYGASCON_ARM_SELECTOR_V6M__)
.cpu cortex-m0
.syntax unified
......
drygascon/Implementations/crypto_aead/drygascon128/add_arm_cortex-m/drygascon128_arm-v7m.S
......@@ -22,7 +22,11 @@ the 'v7m_fpu_x' can be used to prevent this attack.
Note that implementation 'v7m_fpu' is faster (but requires FPU).
*/
//define __DRYGASCON_ARM_SELECTOR_V7M__ or add drygascon128_arm_selector.h to includes
#ifndef __DRYGASCON_ARM_SELECTOR_V7M__
#include "drygascon128_arm_selector.h"
#endif
#if defined(__DRYGASCON_ARM_SELECTOR_V7M__)
.cpu cortex-m3
.syntax unified
......@@ -114,145 +118,104 @@ drygascon128_g_v7m_main_loop:
//r0 to r9: c
//r11: constant to add as round constant
//r14: pointer on C
push {r14}
// addition of round constant
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
ldr r12,[r14,#R32_1-C0]
eors r12,r12,r1
str r12,[r14,#R32_1-C0]
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
ldr r12,[r14,#R32_0-C0]
eors r12,r12,r0
str r12,[r14,#R32_0-C0]
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
ldr r12,[r14,#R32_3-C0]
eors r12,r12,r3
str r12,[r14,#R32_3-C0]
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
ldr r12,[r14,#R32_2-C0]
eors r12,r12,r2
str r12,[r14,#R32_2-C0]
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
ldr r12,[r14,#R32_0-C0]
eors r12,r12,r5
str r12,[r14,#R32_0-C0]
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
ldr r12,[r14,#R32_3-C0]
eors r12,r12,r4
str r12,[r14,#R32_3-C0]
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
ldr r12,[r14,#R32_2-C0]
eors r12,r12,r7
str r12,[r14,#R32_2-C0]
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
ldr r12,[r14,#R32_1-C0]
eors r12,r12,r6
str r12,[r14,#R32_1-C0]
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
pop {r14}
// accumulate
adds r12,r14,#R0
LDMIA.W r12, {r10,r11}
eor r10,r10,r0
eor r11,r11,r1
eor r10,r10,r5
eor r11,r11,r6
STMIA.W r12, {r10,r11}
adds r12,r14,#R1
LDMIA.W r12, {r10,r11}
eor r10,r10,r2
eor r11,r11,r3
eor r10,r10,r7
eor r11,r11,r4
STMIA.W r12, {r10,r11}
//state:
//r0 to r9: c
......@@ -391,120 +354,83 @@ drygascon128_f_v7m_mix128_coreround:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
ldr r10,[sp,#16]
cmp r10,#130
......@@ -562,6 +488,7 @@ drygascon128_g0_v7m:
//r11 = ((0xf - 0) << 4) | 0;
movs r11,#0xf0
push {r14}
//state:
//r0 to r9: c
//r11: constant to add as round constant
......@@ -570,120 +497,84 @@ drygascon128_g0_v7m:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
pop {r14}
//update C
STMIA.W r14,{r0,r1,r2,r3,r4,r5,r6,r7,r8,r9}
......
drygascon/Implementations/crypto_aead/drygascon128/add_arm_cortex-m/drygascon128_arm-v7m_fpu.S
......@@ -20,9 +20,13 @@ Reference manual) shows data cache lines of 16 bytes.
- In the unlikely case in which none of the condition can be met,
the 'v7m_fpu_x' can be used to prevent this attack.
*/
//define __DRYGASCON_ARM_SELECTOR_V7M_FPU__ or add drygascon128_arm_selector.h to includes
#ifndef __DRYGASCON_ARM_SELECTOR_V7M_FPU__
#include "drygascon128_arm_selector.h"
#if defined(__DRYGASCON_ARM_SELECTOR_FPU__)
.cpu cortex-m3
#endif
#if defined(__DRYGASCON_ARM_SELECTOR_V7M_FPU__)
.cpu cortex-m4
.syntax unified
.code 16
.thumb_func
......@@ -80,10 +84,11 @@ drygascon128_g_v7m_fpu:
// 0 state address
//r=0
VSUB.F32 S10, S10, S10
VSUB.F32 S11, S11, S11
VSUB.F32 S12, S12, S12
VSUB.F32 S13, S13, S13
movs r10,#0
vmov S10,r10
vmov S11,r10
vmov S12,r10
vmov S13,r10
//round=r10=rounds-1;
subs r11,r1,#1
......@@ -117,141 +122,100 @@ drygascon128_g_v7m_fpu_main_loop:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
vmov r14,S11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//r14 is R32_1
eors r14,r14,r1
vmov r12,S10
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//r12 is R32_0
eors r12,r12,r0
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//r12 is R32_0
eors r12,r12,r5
vmov S10,r12
vmov r12,S13
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//r12 is R32_3
eors r12,r12,r4
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//r12 is R32_3
eors r12,r12,r3
vmov S13,r12
vmov r12,S12
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//r12 is R32_2
eors r12,r12,r2
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//r12 is R32_2
eors r12,r12,r7
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
// accumulate
vmov r10,S10
vmov r11,S11
vmov r12,S12
vmov r14,S13
eor r10,r10,r0
eor r11,r11,r1
eor r12,r12,r2
eor r14,r14,r3
eor r10,r10,r5
eor r11,r11,r6
eor r12,r12,r7
eor r14,r14,r4
vmov S10,r10
vmov S11,r11
vmov S12,r12
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//r14 is R32_1
eors r14,r14,r6
vmov S11,r14
vmov S13,r14
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
ldr r10,[sp,#4]
......@@ -295,10 +259,10 @@ drygascon128_f_v7m_fpu:
push {r0,r3,r10} //make the same stack frame as drygascon128_g_cm7
push {r1,r2}
//r=0
VSUB.F32 S10, S10, S10
VSUB.F32 S11, S11, S11
VSUB.F32 S12, S12, S12
VSUB.F32 S13, S13, S13
vmov S10,r10
vmov S11,r10
vmov S12,r10
vmov S13,r10
//Load C
adds r11,r0,#C0
......@@ -392,120 +356,83 @@ drygascon128_f_v7m_fpu_mix128_coreround:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
ldr r10,[sp,#16]
cmp r10,#130
......@@ -562,6 +489,7 @@ drygascon128_g0_v7m_fpu:
//r11 = ((0xf - 0) << 4) | 0;
movs r11,#0xf0
push {r14}
//state:
//r0 to r9: c
//r11: constant to add as round constant
......@@ -570,120 +498,84 @@ drygascon128_g0_v7m_fpu:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
pop {r14}
//update C
STMIA.W r14,{r0,r1,r2,r3,r4,r5,r6,r7,r8,r9}
......
drygascon/Implementations/crypto_aead/drygascon128/add_arm_cortex-m/drygascon128_arm-v7m_fpu_x.S
......@@ -7,8 +7,12 @@ Include protection against timing attack on X look up operations
Note that implementation 'v7m_fpu' is faster and safe on all Cortex-M7 as of May 2020.
*/
//define __DRYGASCON_ARM_SELECTOR_V7M_FPU_X__ or add drygascon128_arm_selector.h to includes
#ifndef __DRYGASCON_ARM_SELECTOR_V7M_FPU_X__
#include "drygascon128_arm_selector.h"
#if defined(__DRYGASCON_ARM_SELECTOR_FPU_X__)
#endif
#if defined(__DRYGASCON_ARM_SELECTOR_V7M_FPU_X__)
.cpu cortex-m7
.syntax unified
.code 16
......@@ -67,10 +71,11 @@ drygascon128_g_v7m_fpu_x:
// 0 state address
//r=0
VSUB.F32 S10, S10, S10
VSUB.F32 S11, S11, S11
VSUB.F32 S12, S12, S12
VSUB.F32 S13, S13, S13
movs r10,#0
vmov S10,r10
vmov S11,r10
vmov S12,r10
vmov S13,r10
//round=r10=rounds-1;
subs r11,r1,#1
......@@ -104,141 +109,100 @@ drygascon128_g_v7m_fpu_x_main_loop:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
vmov r14,S11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//r14 is R32_1
eors r14,r14,r1
vmov r12,S10
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//r12 is R32_0
eors r12,r12,r0
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//r12 is R32_0
eors r12,r12,r5
vmov S10,r12
vmov r12,S13
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//r12 is R32_3
eors r12,r12,r4
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//r12 is R32_3
eors r12,r12,r3
vmov S13,r12
vmov r12,S12
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//r12 is R32_2
eors r12,r12,r2
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//r12 is R32_2
eors r12,r12,r7
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
// accumulate
vmov r10,S10
vmov r11,S11
vmov r12,S12
vmov r14,S13
eor r10,r10,r0
eor r11,r11,r1
eor r12,r12,r2
eor r14,r14,r3
eor r10,r10,r5
eor r11,r11,r6
eor r12,r12,r7
eor r14,r14,r4
vmov S10,r10
vmov S11,r11
vmov S12,r12
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//r14 is R32_1
eors r14,r14,r6
vmov S11,r14
vmov S13,r14
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
ldr r10,[sp,#4]
......@@ -282,10 +246,10 @@ drygascon128_f_v7m_fpu_x:
push {r0,r3,r10} //make the same stack frame as drygascon128_g_cm7
push {r1,r2}
//r=0
VSUB.F32 S10, S10, S10
VSUB.F32 S11, S11, S11
VSUB.F32 S12, S12, S12
VSUB.F32 S13, S13, S13
vmov S10,r10
vmov S11,r10
vmov S12,r10
vmov S13,r10
//Load C
adds r11,r0,#C0
......@@ -390,120 +354,83 @@ drygascon128_f_v7m_fpu_x_mix128_coreround:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
ldr r10,[sp,#16]
cmp r10,#130
......@@ -560,6 +487,7 @@ drygascon128_g0_v7m_fpu_x:
//r11 = ((0xf - 0) << 4) | 0;
movs r11,#0xf0
push {r14}
//state:
//r0 to r9: c
//r11: constant to add as round constant
......@@ -568,120 +496,84 @@ drygascon128_g0_v7m_fpu_x:
//C2L ^= round constant;
eors r4,r4,r11
// substitution layer, lower half
eors r0,r0,r8
eors r8,r8,r6
eors r4,r4,r2
mvns r10,r0
mvns r11,r6
mvns r12,r8
ands r10,r10,r2
ands r11,r11,r8
eors r8,r8,r10
ands r12,r12,r0
mvns r10,r4
ands r10,r10,r6
eors r6,r6,r12
mvns r12,r2
ands r12,r12,r4
eors r4,r4,r11
eors r6,r6,r4
mvns r4,r4
eors r0,r0,r12
eors r2,r2,r10
eors r2,r2,r0
eors r0,r0,r8
// substitution layer, upper half
eors r1,r1,r9
eors r9,r9,r7
eors r5,r5,r3
mvns r10,r1
mvns r11,r7
mvns r12,r9
ands r10,r10,r3
ands r11,r11,r9
eors r9,r9,r10
ands r12,r12,r1
mvns r10,r5
ands r10,r10,r7
eors r7,r7,r12
mvns r12,r3
ands r12,r12,r5
eors r5,r5,r11
eors r7,r7,r5
mvns r5,r5
eors r1,r1,r12
eors r3,r3,r10
eors r3,r3,r1
eors r1,r1,r9
eor r0, r0, r8
eor r1, r1, r9
eor r8, r8, r6
eor r9, r9, r7
eor r4, r4, r2
eor r5, r5, r3
bic r10, r0, r8
bic r11, r8, r6
bic r12, r4, r2
bic r14, r2, r0
eor r4, r4, r11
eor r0, r0, r12
eor r8, r8, r14
bic r14, r6, r4
eor r6, r6, r10
bic r12, r1, r9
bic r10, r5, r3
bic r11, r9, r7
eor r2, r2, r14
eor r1, r1, r10
eor r5, r5, r11
bic r14, r3, r1
bic r10, r7, r5
eor r7, r7, r12
eor r7, r7, r5
eor r9, r9, r14
eor r3, r3, r10
eor r6, r6, r4
eor r2, r2, r0
eor r3, r3, r1
eor r0, r0, r8
eor r1, r1, r9
mvn r4, r4
mvn r5, r5
// linear diffusion layer
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 high part
rors r11,r9,#(20)
eors r9,r11,r9
rors r10,r8,#(4)
eors r9,r10,r9
//c4 low part
rors r11,r11,#((32-20+3)%32)
eors r11,r11,r8
rors r10,r8,#(20)
eors r8,r10,r11
//c0 ^= gascon_rotr64_interleaved(c0, 28) ^ gascon_rotr64_interleaved(c0, 19);
//c0 high part
rors r11,r1,#(14)
eors r1,r11,r1
rors r10,r0,#(10)
eors r1,r10,r1
//c0 low part
rors r11,r11,#((32-14+9)%32)
eors r11,r11,r0
rors r10,r0,#(14)
eors r0,r10,r11
//c0 step 1
eor r11, r1, r0, ror #10
eor r10, r0, r1, ror #9
//c1 ^= gascon_rotr64_interleaved(c1, 38) ^ gascon_rotr64_interleaved(c1, 61);
//c1 high part
rors r11,r3,#(19)
eors r3,r11,r3
rors r10,r2,#(31)
eors r3,r10,r3
//c1 low part
rors r11,r11,#((32-19+30)%32)
eors r11,r11,r2
rors r10,r2,#(19)
eors r2,r10,r11
//c1 step 1
eor r14, r3, r2, ror #31
eor r12, r2, r3, ror #30
//c0 step 2
eor r1, r11, r1, ror #14
eor r0, r10, r0, ror #14
//c1 step 2
eor r3, r14, r3, ror #19
eor r2, r12, r2, ror #19
//c2 ^= gascon_rotr64_interleaved(c2, 6) ^ gascon_rotr64_interleaved(c2, 1);
//c2 high part
rors r11,r5,#(3)
eors r5,r11,r5
rors r10,r4,#(1)
eors r5,r10,r5
//c2 low part
rors r11,r11,#((32-3+0)%32)
eors r11,r11,r4
rors r10,r4,#(3)
eors r4,r10,r11
//c2 step 1
eor r11, r5, r4, ror #1
eor r10, r4, r5, ror #0
//c3 ^= gascon_rotr64_interleaved(c3, 10) ^ gascon_rotr64_interleaved(c3, 17);
//c3 high part
rors r11,r7,#(5)
eors r7,r11,r7
rors r10,r6,#(9)
eors r7,r10,r7
//c3 low part
rors r11,r11,#((32-5+8)%32)
eors r11,r11,r6
rors r10,r6,#(5)
eors r6,r10,r11
//c3 step 1
eor r14, r7, r6, ror #9
eor r12, r6, r7, ror #8
//c2 step 2
eor r5, r11, r5, ror #3
eor r4, r10, r4, ror #3
//c3 step 2
eor r7, r14, r7, ror #5
eor r6, r12, r6, ror #5
//c4 ^= gascon_rotr64_interleaved(c4, 40) ^ gascon_rotr64_interleaved(c4, 7);
//c4 step 1
eor r11, r9, r8, ror #4
eor r10, r8, r9, ror #3
//c4 step 2
eor r9, r11, r9, ror #20
eor r8, r10, r8, ror #20
//state:
//r0 to r9: c
//r10,r11,r12 destroyed
//r10,r11,r12,r14 destroyed
pop {r14}
//update C
STMIA.W r14,{r0,r1,r2,r3,r4,r5,r6,r7,r8,r9}
......
drygascon/Implementations/crypto_aead/drygascon128/add_arm_cortex-m/drygascon128_arm_selector.h
......@@ -3,39 +3,71 @@
//Optional file to select the best implementation for each chip
#ifdef STM32H743xx
#define __DRYGASCON_ARM_SELECTOR_V7M__
#define __DRYGASCON_ARM_SELECTOR_FPU__
#define __DRYGASCON_ARM_SELECTOR_V7M_FPU__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#ifdef STM32F746xx
#define __DRYGASCON_ARM_SELECTOR_V7M_FPU__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#ifdef STM32F411xx
#define __DRYGASCON_ARM_SELECTOR_V7M_FPU__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#ifdef STM32L552xx //technically it is V8M but we don't have a specific code for that one
#define __DRYGASCON_ARM_SELECTOR_V7M__
#define __DRYGASCON_ARM_SELECTOR_FPU__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#ifdef STM32F103xx
#define __DRYGASCON_ARM_SELECTOR_V7M__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#ifdef STM32L011xx
#define __DRYGASCON_ARM_SELECTOR_V6M__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#ifdef __SAM3X8E__
#define __DRYGASCON_ARM_SELECTOR_V7M__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
//TODO: add more chips here
#ifdef __DRYGASCON_ARM_SELECTOR_V7M__
#ifdef __DRYGASCON_ARM_SELECTOR_FPU__
#ifndef __DRYGASCON_ARM_SELECTOR_FOUND__
//more generic defines catching whole families
#if defined(STM32F4xx) || defined(STM32F7xx) || defined(STM32H7xx)
#define __DRYGASCON_ARM_SELECTOR_V7M_FPU__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#if defined(STM32F1xx)
#define __DRYGASCON_ARM_SELECTOR_V7M__
#define __DRYGASCON_ARM_SELECTOR_FOUND__
#endif
#endif
#ifdef __DRYGASCON_ARM_SELECTOR_V7M_FPU__
#define DRYGASCON_G_OPT drygascon128_g_v7m_fpu
#define DRYGASCON_F_OPT drygascon128_f_v7m_fpu
#define DRYGASCON_G0_OPT drygascon128_g0_v7m_fpu
#else
#endif
#ifdef __DRYGASCON_ARM_SELECTOR_V7M_FPU_X__
#define DRYGASCON_G_OPT drygascon128_g_v7m_fpu_x
#define DRYGASCON_F_OPT drygascon128_f_v7m_fpu_x
#define DRYGASCON_G0_OPT drygascon128_g0_v7m_fpu_x
#endif
#ifdef __DRYGASCON_ARM_SELECTOR_V7M__
#define DRYGASCON_G_OPT drygascon128_g_v7m
#define DRYGASCON_F_OPT drygascon128_f_v7m
#define DRYGASCON_G0_OPT drygascon128_g0_v7m
#endif
#endif
#ifdef __DRYGASCON_ARM_SELECTOR_V6M__
......
romulus/Implementations/crypto_aead/romulusm1+/opt32/skinny128.c
......@@ -93,15 +93,7 @@ void skinny128_384_plus(u8* ctext, const u8* ptext, const u32* rtk1,
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
QUADRUPLE_ROUND(state, rtk1, rtk2_3);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
for(int i = 0; i < 10; i++)
QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
\ No newline at end of file
romulus/Implementations/crypto_aead/romulusm1+/opt32/tk_schedule.c
......@@ -260,6 +260,70 @@ void precompute_lfsr_tk3(u32* tk, const u8* key, const int rounds) {
}
/******************************************************************************
* Precompute LFSR2(TK2) ^ LFSR3(TK3) for all round tweakeys.
* It is equivalent to the following 2 function calls:
* - precompute_lfsr_tk2(tk, t2, SKINNY128_384_ROUNDS);
* - precompute_lfsr_tk3(tk, t3, SKINNY128_384_ROUNDS);
* However 'precompute_lfsr_tk2_3' can allow to save cycles on some platform.
* On ARMv7 one should observe a gain of ~1k cycles per function call. It can be
* explained by the fact that less memory accesses to 'tk' are computed.
*
* To save some code size, the loop can be replaced by the following one:
* for(int i = 0 ; i < rounds; i+=2) {
* lfsr2_bs(tk2);
* lfsr3_bs(tk3);
* tk[i*4+4] = tk2[0] ^ tk3[0];
* tk[i*4+5] = tk2[1] ^ tk3[1];
* tk[i*4+6] = tk2[2] ^ tk3[2];
* tk[i*4+7] = tk2[3] ^ tk3[3];
* }
* at the cost of some cycles (~260 on ARM Cortex-M).
******************************************************************************/
void precompute_lfsr_tk2_3(u32* tk, const u8* t2, const u8* t3, const int rounds) {
u32 tmp, tk2[4], tk3[4];
packing(tk2, t2);
packing(tk3, t3);
tk[0] = tk2[0] ^ tk3[0];
tk[1] = tk2[1] ^ tk3[1];
tk[2] = tk2[2] ^ tk3[2];
tk[3] = tk2[3] ^ tk3[3];
for(int i = 0 ; i < rounds; i+=8) {
tk2[0] ^= (tk2[2] & 0xaaaaaaaa);
tk2[0] = ((tk2[0] & 0xaaaaaaaa) >> 1) | ((tk2[0] << 1) & 0xaaaaaaaa);
tk3[3] ^= ((tk3[1] & 0xaaaaaaaa) >> 1);
tk3[3] = ((tk3[3] & 0xaaaaaaaa) >> 1) | ((tk3[3] << 1) & 0xaaaaaaaa);
tk[i*4+4] = tk2[1] ^ tk3[3];
tk[i*4+5] = tk2[2] ^ tk3[0];
tk[i*4+6] = tk2[3] ^ tk3[1];
tk[i*4+7] = tk2[0] ^ tk3[2];
tk2[1] ^= (tk2[3] & 0xaaaaaaaa);
tk2[1] = ((tk2[1] & 0xaaaaaaaa) >> 1) | ((tk2[1] << 1) & 0xaaaaaaaa);
tk3[2] ^= ((tk3[0] & 0xaaaaaaaa) >> 1);
tk3[2] = ((tk3[2] & 0xaaaaaaaa) >> 1) | ((tk3[2] << 1) & 0xaaaaaaaa);
tk[i*4+12] = tk2[2] ^ tk3[2];
tk[i*4+13] = tk2[3] ^ tk3[3];
tk[i*4+14] = tk2[0] ^ tk3[0];
tk[i*4+15] = tk2[1] ^ tk3[1];
tk2[2] ^= (tk2[0] & 0xaaaaaaaa);
tk2[2] = ((tk2[2] & 0xaaaaaaaa) >> 1) | ((tk2[2] << 1) & 0xaaaaaaaa);
tk3[1] ^= ((tk3[3] & 0xaaaaaaaa) >> 1);
tk3[1] = ((tk3[1] & 0xaaaaaaaa) >> 1) | ((tk3[1] << 1) & 0xaaaaaaaa);
tk[i*4+20] = tk2[3] ^ tk3[1];
tk[i*4+21] = tk2[0] ^ tk3[2];
tk[i*4+22] = tk2[1] ^ tk3[3];
tk[i*4+23] = tk2[2] ^ tk3[0];
tk2[3] ^= (tk2[1] & 0xaaaaaaaa);
tk2[3] = ((tk2[3] & 0xaaaaaaaa) >> 1) | ((tk2[3] << 1) & 0xaaaaaaaa);
tk3[0] ^= ((tk3[2] & 0xaaaaaaaa) >> 1);
tk3[0] = ((tk3[0] & 0xaaaaaaaa) >> 1) | ((tk3[0] << 1) & 0xaaaaaaaa);
tk[i*4+28] = tk2[0] ^ tk3[0];
tk[i*4+29] = tk2[1] ^ tk3[1];
tk[i*4+30] = tk2[2] ^ tk3[2];
tk[i*4+31] = tk2[3] ^ tk3[3];
}
}
/******************************************************************************
* XOR TK with TK1 before applying the permutations.
* The key is then rearranged to match the barrel shiftrows representation.
******************************************************************************/
......@@ -267,19 +331,20 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
u32 test;
u32 tk1[4], tmp[4];
packing(tk1, key);
memcpy(tmp, tk, 16);
tmp[0] ^= tk1[0];
tmp[1] ^= tk1[1];
tmp[2] ^= tk1[2];
tmp[3] ^= tk1[3];
tmp[0] = tk[0] ^ tk1[0];
tmp[1] = tk[1] ^ tk1[1];
tmp[2] = tk[2] ^ tk1[2];
tmp[3] = tk[3] ^ tk1[3];
for(int i = 0 ; i < rounds; i += 8) {
test = (i % 16 < 8) ? 1 : 0; //to apply the right power of P
tk[i*4] = tmp[2] & 0xf0f0f0f0;
tk[i*4+1] = tmp[3] & 0xf0f0f0f0;
tk[i*4+2] = tmp[0] & 0xf0f0f0f0;
tk[i*4+3] = tmp[1] & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+4, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+4] ^ tk1[0];
tmp[1] = tk[i*4+5] ^ tk1[1];
tmp[2] = tk[i*4+6] ^ tk1[2];
tmp[3] = tk[i*4+7] ^ tk1[3];
if (test)
permute_tk_2(tmp); // applies P^2
else
......@@ -296,8 +361,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+10] |= ROR(tmp[0],12) & 0x0c0c0c0c;
tk[i*4+11] = ROR(tmp[1],28) & 0x03030303;
tk[i*4+11] |= ROR(tmp[1],12) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+12, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+12] ^ tk1[0];
tmp[1] = tk[i*4+13] ^ tk1[1];
tmp[2] = tk[i*4+14] ^ tk1[2];
tmp[3] = tk[i*4+15] ^ tk1[3];
if (test)
permute_tk_4(tmp); // applies P^4
else
......@@ -310,8 +377,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+17] = ROR(tmp[3], 16) & 0xf0f0f0f0;
tk[i*4+18] = ROR(tmp[0], 16) & 0xf0f0f0f0;
tk[i*4+19] = ROR(tmp[1], 16) & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+20, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+20] ^ tk1[0];
tmp[1] = tk[i*4+21] ^ tk1[1];
tmp[2] = tk[i*4+22] ^ tk1[2];
tmp[3] = tk[i*4+23] ^ tk1[3];
if (test)
permute_tk_6(tmp); // applies P^6
else
......@@ -328,8 +397,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+26] |= ROR(tmp[0],28) & 0x0c0c0c0c;
tk[i*4+27] = ROR(tmp[1],12) & 0x03030303;
tk[i*4+27] |= ROR(tmp[1],28) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+28, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+28] ^ tk1[0];
tmp[1] = tk[i*4+29] ^ tk1[1];
tmp[2] = tk[i*4+30] ^ tk1[2];
tmp[3] = tk[i*4+31] ^ tk1[3];
if (test)
permute_tk_8(tmp); // applies P^8
for(int j = 0; j < 4; j++) {
......@@ -350,8 +421,7 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
******************************************************************************/
void precompute_rtk2_3(u32* rtk, const u8* tk2, const u8 * tk3) {
memset(rtk, 0x00, 16*SKINNY128_384_ROUNDS);
precompute_lfsr_tk2(rtk, tk2, SKINNY128_384_ROUNDS);
precompute_lfsr_tk3(rtk, tk3, SKINNY128_384_ROUNDS);
precompute_lfsr_tk2_3(rtk, tk2, tk3, SKINNY128_384_ROUNDS);
permute_tk(rtk, (u8*)(rtk+8), SKINNY128_384_ROUNDS); // rtk+8 is NULL
for(int i = 0; i < SKINNY128_384_ROUNDS; i++) { // add rconsts
for(int j = 0; j < 4; j++)
......
romulus/Implementations/crypto_aead/romulusm1/opt32/skinny128.c
......@@ -92,19 +92,7 @@ void skinny128_384(u8* ctext, const u8* ptext, const u32* rtk1, const u32* rtk2
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
QUADRUPLE_ROUND(state, rtk1, rtk2_3);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+160);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+176);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+192);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+208);
for(int i = 0; i < 14; i++)
QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
\ No newline at end of file
romulus/Implementations/crypto_aead/romulusm1/opt32/tk_schedule.c
......@@ -271,6 +271,70 @@ void precompute_lfsr_tk3(u32* tk, const u8* key, const int rounds) {
}
/******************************************************************************
* Precompute LFSR2(TK2) ^ LFSR3(TK3) for all round tweakeys.
* It is equivalent to the following 2 function calls:
* - precompute_lfsr_tk2(tk, t2, SKINNY128_384_ROUNDS);
* - precompute_lfsr_tk3(tk, t3, SKINNY128_384_ROUNDS);
* However 'precompute_lfsr_tk2_3' can allow to save cycles on some platform.
* On ARMv7 one should observe a gain of ~1k cycles per function call. It can be
* explained by the fact that less memory accesses to 'tk' are computed.
*
* To save some code size, the loop can be replaced by the following one:
* for(int i = 0 ; i < rounds; i+=2) {
* lfsr2_bs(tk2);
* lfsr3_bs(tk3);
* tk[i*4+4] = tk2[0] ^ tk3[0];
* tk[i*4+5] = tk2[1] ^ tk3[1];
* tk[i*4+6] = tk2[2] ^ tk3[2];
* tk[i*4+7] = tk2[3] ^ tk3[3];
* }
* at the cost of some cycles (~260 on ARM Cortex-M).
******************************************************************************/
void precompute_lfsr_tk2_3(u32* tk, const u8* t2, const u8* t3, const int rounds) {
u32 tmp, tk2[4], tk3[4];
packing(tk2, t2);
packing(tk3, t3);
tk[0] = tk2[0] ^ tk3[0];
tk[1] = tk2[1] ^ tk3[1];
tk[2] = tk2[2] ^ tk3[2];
tk[3] = tk2[3] ^ tk3[3];
for(int i = 0 ; i < rounds; i+=8) {
tk2[0] ^= (tk2[2] & 0xaaaaaaaa);
tk2[0] = ((tk2[0] & 0xaaaaaaaa) >> 1) | ((tk2[0] << 1) & 0xaaaaaaaa);
tk3[3] ^= ((tk3[1] & 0xaaaaaaaa) >> 1);
tk3[3] = ((tk3[3] & 0xaaaaaaaa) >> 1) | ((tk3[3] << 1) & 0xaaaaaaaa);
tk[i*4+4] = tk2[1] ^ tk3[3];
tk[i*4+5] = tk2[2] ^ tk3[0];
tk[i*4+6] = tk2[3] ^ tk3[1];
tk[i*4+7] = tk2[0] ^ tk3[2];
tk2[1] ^= (tk2[3] & 0xaaaaaaaa);
tk2[1] = ((tk2[1] & 0xaaaaaaaa) >> 1) | ((tk2[1] << 1) & 0xaaaaaaaa);
tk3[2] ^= ((tk3[0] & 0xaaaaaaaa) >> 1);
tk3[2] = ((tk3[2] & 0xaaaaaaaa) >> 1) | ((tk3[2] << 1) & 0xaaaaaaaa);
tk[i*4+12] = tk2[2] ^ tk3[2];
tk[i*4+13] = tk2[3] ^ tk3[3];
tk[i*4+14] = tk2[0] ^ tk3[0];
tk[i*4+15] = tk2[1] ^ tk3[1];
tk2[2] ^= (tk2[0] & 0xaaaaaaaa);
tk2[2] = ((tk2[2] & 0xaaaaaaaa) >> 1) | ((tk2[2] << 1) & 0xaaaaaaaa);
tk3[1] ^= ((tk3[3] & 0xaaaaaaaa) >> 1);
tk3[1] = ((tk3[1] & 0xaaaaaaaa) >> 1) | ((tk3[1] << 1) & 0xaaaaaaaa);
tk[i*4+20] = tk2[3] ^ tk3[1];
tk[i*4+21] = tk2[0] ^ tk3[2];
tk[i*4+22] = tk2[1] ^ tk3[3];
tk[i*4+23] = tk2[2] ^ tk3[0];
tk2[3] ^= (tk2[1] & 0xaaaaaaaa);
tk2[3] = ((tk2[3] & 0xaaaaaaaa) >> 1) | ((tk2[3] << 1) & 0xaaaaaaaa);
tk3[0] ^= ((tk3[2] & 0xaaaaaaaa) >> 1);
tk3[0] = ((tk3[0] & 0xaaaaaaaa) >> 1) | ((tk3[0] << 1) & 0xaaaaaaaa);
tk[i*4+28] = tk2[0] ^ tk3[0];
tk[i*4+29] = tk2[1] ^ tk3[1];
tk[i*4+30] = tk2[2] ^ tk3[2];
tk[i*4+31] = tk2[3] ^ tk3[3];
}
}
/******************************************************************************
* XOR TK with TK1 before applying the permutations.
* The key is then rearranged to match the barrel shiftrows representation.
******************************************************************************/
......@@ -278,19 +342,20 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
u32 test;
u32 tk1[4], tmp[4];
packing(tk1, key);
memcpy(tmp, tk, 16);
tmp[0] ^= tk1[0];
tmp[1] ^= tk1[1];
tmp[2] ^= tk1[2];
tmp[3] ^= tk1[3];
tmp[0] = tk[0] ^ tk1[0];
tmp[1] = tk[1] ^ tk1[1];
tmp[2] = tk[2] ^ tk1[2];
tmp[3] = tk[3] ^ tk1[3];
for(int i = 0 ; i < rounds; i += 8) {
test = (i % 16 < 8) ? 1 : 0; //to apply the right power of P
tk[i*4] = tmp[2] & 0xf0f0f0f0;
tk[i*4+1] = tmp[3] & 0xf0f0f0f0;
tk[i*4+2] = tmp[0] & 0xf0f0f0f0;
tk[i*4+3] = tmp[1] & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+4, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+4] ^ tk1[0];
tmp[1] = tk[i*4+5] ^ tk1[1];
tmp[2] = tk[i*4+6] ^ tk1[2];
tmp[3] = tk[i*4+7] ^ tk1[3];
if (test)
permute_tk_2(tmp); // applies P^2
else
......@@ -307,8 +372,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+10] |= ROR(tmp[0],12) & 0x0c0c0c0c;
tk[i*4+11] = ROR(tmp[1],28) & 0x03030303;
tk[i*4+11] |= ROR(tmp[1],12) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+12, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+12] ^ tk1[0];
tmp[1] = tk[i*4+13] ^ tk1[1];
tmp[2] = tk[i*4+14] ^ tk1[2];
tmp[3] = tk[i*4+15] ^ tk1[3];
if (test)
permute_tk_4(tmp); // applies P^4
else
......@@ -321,8 +388,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+17] = ROR(tmp[3], 16) & 0xf0f0f0f0;
tk[i*4+18] = ROR(tmp[0], 16) & 0xf0f0f0f0;
tk[i*4+19] = ROR(tmp[1], 16) & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+20, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+20] ^ tk1[0];
tmp[1] = tk[i*4+21] ^ tk1[1];
tmp[2] = tk[i*4+22] ^ tk1[2];
tmp[3] = tk[i*4+23] ^ tk1[3];
if (test)
permute_tk_6(tmp); // applies P^6
else
......@@ -339,8 +408,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+26] |= ROR(tmp[0],28) & 0x0c0c0c0c;
tk[i*4+27] = ROR(tmp[1],12) & 0x03030303;
tk[i*4+27] |= ROR(tmp[1],28) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+28, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+28] ^ tk1[0];
tmp[1] = tk[i*4+29] ^ tk1[1];
tmp[2] = tk[i*4+30] ^ tk1[2];
tmp[3] = tk[i*4+31] ^ tk1[3];
if (test)
permute_tk_8(tmp); // applies P^8
for(int j = 0; j < 4; j++) {
......@@ -361,8 +432,7 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
******************************************************************************/
void precompute_rtk2_3(u32* rtk, const u8* tk2, const u8 * tk3) {
memset(rtk, 0x00, 16*SKINNY128_384_ROUNDS);
precompute_lfsr_tk2(rtk, tk2, SKINNY128_384_ROUNDS);
precompute_lfsr_tk3(rtk, tk3, SKINNY128_384_ROUNDS);
precompute_lfsr_tk2_3(rtk, tk2, tk3, SKINNY128_384_ROUNDS);
permute_tk(rtk, (u8*)(rtk+8), SKINNY128_384_ROUNDS); // rtk+8 is NULL
for(int i = 0; i < SKINNY128_384_ROUNDS; i++) { // add rconsts
for(int j = 0; j < 4; j++)
......
romulus/Implementations/crypto_aead/romulusn1+/opt32/skinny128.c
......@@ -93,15 +93,7 @@ void skinny128_384_plus(u8* ctext, const u8* ptext, const u32* rtk1,
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
QUADRUPLE_ROUND(state, rtk1, rtk2_3);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
for(int i = 0; i < 10; i++)
QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
\ No newline at end of file
romulus/Implementations/crypto_aead/romulusn1+/opt32/tk_schedule.c
......@@ -260,6 +260,70 @@ void precompute_lfsr_tk3(u32* tk, const u8* key, const int rounds) {
}
/******************************************************************************
* Precompute LFSR2(TK2) ^ LFSR3(TK3) for all round tweakeys.
* It is equivalent to the following 2 function calls:
* - precompute_lfsr_tk2(tk, t2, SKINNY128_384_ROUNDS);
* - precompute_lfsr_tk3(tk, t3, SKINNY128_384_ROUNDS);
* However 'precompute_lfsr_tk2_3' can allow to save cycles on some platform.
* On ARMv7 one should observe a gain of ~1k cycles per function call. It can be
* explained by the fact that less memory accesses to 'tk' are computed.
*
* To save some code size, the loop can be replaced by the following one:
* for(int i = 0 ; i < rounds; i+=2) {
* lfsr2_bs(tk2);
* lfsr3_bs(tk3);
* tk[i*4+4] = tk2[0] ^ tk3[0];
* tk[i*4+5] = tk2[1] ^ tk3[1];
* tk[i*4+6] = tk2[2] ^ tk3[2];
* tk[i*4+7] = tk2[3] ^ tk3[3];
* }
* at the cost of some cycles (~260 on ARM Cortex-M).
******************************************************************************/
void precompute_lfsr_tk2_3(u32* tk, const u8* t2, const u8* t3, const int rounds) {
u32 tmp, tk2[4], tk3[4];
packing(tk2, t2);
packing(tk3, t3);
tk[0] = tk2[0] ^ tk3[0];
tk[1] = tk2[1] ^ tk3[1];
tk[2] = tk2[2] ^ tk3[2];
tk[3] = tk2[3] ^ tk3[3];
for(int i = 0 ; i < rounds; i+=8) {
tk2[0] ^= (tk2[2] & 0xaaaaaaaa);
tk2[0] = ((tk2[0] & 0xaaaaaaaa) >> 1) | ((tk2[0] << 1) & 0xaaaaaaaa);
tk3[3] ^= ((tk3[1] & 0xaaaaaaaa) >> 1);
tk3[3] = ((tk3[3] & 0xaaaaaaaa) >> 1) | ((tk3[3] << 1) & 0xaaaaaaaa);
tk[i*4+4] = tk2[1] ^ tk3[3];
tk[i*4+5] = tk2[2] ^ tk3[0];
tk[i*4+6] = tk2[3] ^ tk3[1];
tk[i*4+7] = tk2[0] ^ tk3[2];
tk2[1] ^= (tk2[3] & 0xaaaaaaaa);
tk2[1] = ((tk2[1] & 0xaaaaaaaa) >> 1) | ((tk2[1] << 1) & 0xaaaaaaaa);
tk3[2] ^= ((tk3[0] & 0xaaaaaaaa) >> 1);
tk3[2] = ((tk3[2] & 0xaaaaaaaa) >> 1) | ((tk3[2] << 1) & 0xaaaaaaaa);
tk[i*4+12] = tk2[2] ^ tk3[2];
tk[i*4+13] = tk2[3] ^ tk3[3];
tk[i*4+14] = tk2[0] ^ tk3[0];
tk[i*4+15] = tk2[1] ^ tk3[1];
tk2[2] ^= (tk2[0] & 0xaaaaaaaa);
tk2[2] = ((tk2[2] & 0xaaaaaaaa) >> 1) | ((tk2[2] << 1) & 0xaaaaaaaa);
tk3[1] ^= ((tk3[3] & 0xaaaaaaaa) >> 1);
tk3[1] = ((tk3[1] & 0xaaaaaaaa) >> 1) | ((tk3[1] << 1) & 0xaaaaaaaa);
tk[i*4+20] = tk2[3] ^ tk3[1];
tk[i*4+21] = tk2[0] ^ tk3[2];
tk[i*4+22] = tk2[1] ^ tk3[3];
tk[i*4+23] = tk2[2] ^ tk3[0];
tk2[3] ^= (tk2[1] & 0xaaaaaaaa);
tk2[3] = ((tk2[3] & 0xaaaaaaaa) >> 1) | ((tk2[3] << 1) & 0xaaaaaaaa);
tk3[0] ^= ((tk3[2] & 0xaaaaaaaa) >> 1);
tk3[0] = ((tk3[0] & 0xaaaaaaaa) >> 1) | ((tk3[0] << 1) & 0xaaaaaaaa);
tk[i*4+28] = tk2[0] ^ tk3[0];
tk[i*4+29] = tk2[1] ^ tk3[1];
tk[i*4+30] = tk2[2] ^ tk3[2];
tk[i*4+31] = tk2[3] ^ tk3[3];
}
}
/******************************************************************************
* XOR TK with TK1 before applying the permutations.
* The key is then rearranged to match the barrel shiftrows representation.
******************************************************************************/
......@@ -267,19 +331,20 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
u32 test;
u32 tk1[4], tmp[4];
packing(tk1, key);
memcpy(tmp, tk, 16);
tmp[0] ^= tk1[0];
tmp[1] ^= tk1[1];
tmp[2] ^= tk1[2];
tmp[3] ^= tk1[3];
tmp[0] = tk[0] ^ tk1[0];
tmp[1] = tk[1] ^ tk1[1];
tmp[2] = tk[2] ^ tk1[2];
tmp[3] = tk[3] ^ tk1[3];
for(int i = 0 ; i < rounds; i += 8) {
test = (i % 16 < 8) ? 1 : 0; //to apply the right power of P
tk[i*4] = tmp[2] & 0xf0f0f0f0;
tk[i*4+1] = tmp[3] & 0xf0f0f0f0;
tk[i*4+2] = tmp[0] & 0xf0f0f0f0;
tk[i*4+3] = tmp[1] & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+4, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+4] ^ tk1[0];
tmp[1] = tk[i*4+5] ^ tk1[1];
tmp[2] = tk[i*4+6] ^ tk1[2];
tmp[3] = tk[i*4+7] ^ tk1[3];
if (test)
permute_tk_2(tmp); // applies P^2
else
......@@ -296,8 +361,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+10] |= ROR(tmp[0],12) & 0x0c0c0c0c;
tk[i*4+11] = ROR(tmp[1],28) & 0x03030303;
tk[i*4+11] |= ROR(tmp[1],12) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+12, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+12] ^ tk1[0];
tmp[1] = tk[i*4+13] ^ tk1[1];
tmp[2] = tk[i*4+14] ^ tk1[2];
tmp[3] = tk[i*4+15] ^ tk1[3];
if (test)
permute_tk_4(tmp); // applies P^4
else
......@@ -310,8 +377,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+17] = ROR(tmp[3], 16) & 0xf0f0f0f0;
tk[i*4+18] = ROR(tmp[0], 16) & 0xf0f0f0f0;
tk[i*4+19] = ROR(tmp[1], 16) & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+20, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+20] ^ tk1[0];
tmp[1] = tk[i*4+21] ^ tk1[1];
tmp[2] = tk[i*4+22] ^ tk1[2];
tmp[3] = tk[i*4+23] ^ tk1[3];
if (test)
permute_tk_6(tmp); // applies P^6
else
......@@ -328,8 +397,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+26] |= ROR(tmp[0],28) & 0x0c0c0c0c;
tk[i*4+27] = ROR(tmp[1],12) & 0x03030303;
tk[i*4+27] |= ROR(tmp[1],28) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+28, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+28] ^ tk1[0];
tmp[1] = tk[i*4+29] ^ tk1[1];
tmp[2] = tk[i*4+30] ^ tk1[2];
tmp[3] = tk[i*4+31] ^ tk1[3];
if (test)
permute_tk_8(tmp); // applies P^8
for(int j = 0; j < 4; j++) {
......@@ -350,8 +421,7 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
******************************************************************************/
void precompute_rtk2_3(u32* rtk, const u8* tk2, const u8 * tk3) {
memset(rtk, 0x00, 16*SKINNY128_384_ROUNDS);
precompute_lfsr_tk2(rtk, tk2, SKINNY128_384_ROUNDS);
precompute_lfsr_tk3(rtk, tk3, SKINNY128_384_ROUNDS);
precompute_lfsr_tk2_3(rtk, tk2, tk3, SKINNY128_384_ROUNDS);
permute_tk(rtk, (u8*)(rtk+8), SKINNY128_384_ROUNDS); // rtk+8 is NULL
for(int i = 0; i < SKINNY128_384_ROUNDS; i++) { // add rconsts
for(int j = 0; j < 4; j++)
......
romulus/Implementations/crypto_aead/romulusn1/opt32/skinny128.c
......@@ -92,19 +92,7 @@ void skinny128_384(u8* ctext, const u8* ptext, const u32* rtk1, const u32* rtk2
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
QUADRUPLE_ROUND(state, rtk1, rtk2_3);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+160);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+176);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+192);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+208);
for(int i = 0; i < 14; i++)
QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
\ No newline at end of file
romulus/Implementations/crypto_aead/romulusn1/opt32/tk_schedule.c
......@@ -271,6 +271,70 @@ void precompute_lfsr_tk3(u32* tk, const u8* key, const int rounds) {
}
/******************************************************************************
* Precompute LFSR2(TK2) ^ LFSR3(TK3) for all round tweakeys.
* It is equivalent to the following 2 function calls:
* - precompute_lfsr_tk2(tk, t2, SKINNY128_384_ROUNDS);
* - precompute_lfsr_tk3(tk, t3, SKINNY128_384_ROUNDS);
* However 'precompute_lfsr_tk2_3' can allow to save cycles on some platform.
* On ARMv7 one should observe a gain of ~1k cycles per function call. It can be
* explained by the fact that less memory accesses to 'tk' are computed.
*
* To save some code size, the loop can be replaced by the following one:
* for(int i = 0 ; i < rounds; i+=2) {
* lfsr2_bs(tk2);
* lfsr3_bs(tk3);
* tk[i*4+4] = tk2[0] ^ tk3[0];
* tk[i*4+5] = tk2[1] ^ tk3[1];
* tk[i*4+6] = tk2[2] ^ tk3[2];
* tk[i*4+7] = tk2[3] ^ tk3[3];
* }
* at the cost of some cycles (~260 on ARM Cortex-M).
******************************************************************************/
void precompute_lfsr_tk2_3(u32* tk, const u8* t2, const u8* t3, const int rounds) {
u32 tmp, tk2[4], tk3[4];
packing(tk2, t2);
packing(tk3, t3);
tk[0] = tk2[0] ^ tk3[0];
tk[1] = tk2[1] ^ tk3[1];
tk[2] = tk2[2] ^ tk3[2];
tk[3] = tk2[3] ^ tk3[3];
for(int i = 0 ; i < rounds; i+=8) {
tk2[0] ^= (tk2[2] & 0xaaaaaaaa);
tk2[0] = ((tk2[0] & 0xaaaaaaaa) >> 1) | ((tk2[0] << 1) & 0xaaaaaaaa);
tk3[3] ^= ((tk3[1] & 0xaaaaaaaa) >> 1);
tk3[3] = ((tk3[3] & 0xaaaaaaaa) >> 1) | ((tk3[3] << 1) & 0xaaaaaaaa);
tk[i*4+4] = tk2[1] ^ tk3[3];
tk[i*4+5] = tk2[2] ^ tk3[0];
tk[i*4+6] = tk2[3] ^ tk3[1];
tk[i*4+7] = tk2[0] ^ tk3[2];
tk2[1] ^= (tk2[3] & 0xaaaaaaaa);
tk2[1] = ((tk2[1] & 0xaaaaaaaa) >> 1) | ((tk2[1] << 1) & 0xaaaaaaaa);
tk3[2] ^= ((tk3[0] & 0xaaaaaaaa) >> 1);
tk3[2] = ((tk3[2] & 0xaaaaaaaa) >> 1) | ((tk3[2] << 1) & 0xaaaaaaaa);
tk[i*4+12] = tk2[2] ^ tk3[2];
tk[i*4+13] = tk2[3] ^ tk3[3];
tk[i*4+14] = tk2[0] ^ tk3[0];
tk[i*4+15] = tk2[1] ^ tk3[1];
tk2[2] ^= (tk2[0] & 0xaaaaaaaa);
tk2[2] = ((tk2[2] & 0xaaaaaaaa) >> 1) | ((tk2[2] << 1) & 0xaaaaaaaa);
tk3[1] ^= ((tk3[3] & 0xaaaaaaaa) >> 1);
tk3[1] = ((tk3[1] & 0xaaaaaaaa) >> 1) | ((tk3[1] << 1) & 0xaaaaaaaa);
tk[i*4+20] = tk2[3] ^ tk3[1];
tk[i*4+21] = tk2[0] ^ tk3[2];
tk[i*4+22] = tk2[1] ^ tk3[3];
tk[i*4+23] = tk2[2] ^ tk3[0];
tk2[3] ^= (tk2[1] & 0xaaaaaaaa);
tk2[3] = ((tk2[3] & 0xaaaaaaaa) >> 1) | ((tk2[3] << 1) & 0xaaaaaaaa);
tk3[0] ^= ((tk3[2] & 0xaaaaaaaa) >> 1);
tk3[0] = ((tk3[0] & 0xaaaaaaaa) >> 1) | ((tk3[0] << 1) & 0xaaaaaaaa);
tk[i*4+28] = tk2[0] ^ tk3[0];
tk[i*4+29] = tk2[1] ^ tk3[1];
tk[i*4+30] = tk2[2] ^ tk3[2];
tk[i*4+31] = tk2[3] ^ tk3[3];
}
}
/******************************************************************************
* XOR TK with TK1 before applying the permutations.
* The key is then rearranged to match the barrel shiftrows representation.
******************************************************************************/
......@@ -278,19 +342,20 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
u32 test;
u32 tk1[4], tmp[4];
packing(tk1, key);
memcpy(tmp, tk, 16);
tmp[0] ^= tk1[0];
tmp[1] ^= tk1[1];
tmp[2] ^= tk1[2];
tmp[3] ^= tk1[3];
tmp[0] = tk[0] ^ tk1[0];
tmp[1] = tk[1] ^ tk1[1];
tmp[2] = tk[2] ^ tk1[2];
tmp[3] = tk[3] ^ tk1[3];
for(int i = 0 ; i < rounds; i += 8) {
test = (i % 16 < 8) ? 1 : 0; //to apply the right power of P
tk[i*4] = tmp[2] & 0xf0f0f0f0;
tk[i*4+1] = tmp[3] & 0xf0f0f0f0;
tk[i*4+2] = tmp[0] & 0xf0f0f0f0;
tk[i*4+3] = tmp[1] & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+4, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+4] ^ tk1[0];
tmp[1] = tk[i*4+5] ^ tk1[1];
tmp[2] = tk[i*4+6] ^ tk1[2];
tmp[3] = tk[i*4+7] ^ tk1[3];
if (test)
permute_tk_2(tmp); // applies P^2
else
......@@ -307,8 +372,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+10] |= ROR(tmp[0],12) & 0x0c0c0c0c;
tk[i*4+11] = ROR(tmp[1],28) & 0x03030303;
tk[i*4+11] |= ROR(tmp[1],12) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+12, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+12] ^ tk1[0];
tmp[1] = tk[i*4+13] ^ tk1[1];
tmp[2] = tk[i*4+14] ^ tk1[2];
tmp[3] = tk[i*4+15] ^ tk1[3];
if (test)
permute_tk_4(tmp); // applies P^4
else
......@@ -321,8 +388,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+17] = ROR(tmp[3], 16) & 0xf0f0f0f0;
tk[i*4+18] = ROR(tmp[0], 16) & 0xf0f0f0f0;
tk[i*4+19] = ROR(tmp[1], 16) & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+20, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+20] ^ tk1[0];
tmp[1] = tk[i*4+21] ^ tk1[1];
tmp[2] = tk[i*4+22] ^ tk1[2];
tmp[3] = tk[i*4+23] ^ tk1[3];
if (test)
permute_tk_6(tmp); // applies P^6
else
......@@ -339,8 +408,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+26] |= ROR(tmp[0],28) & 0x0c0c0c0c;
tk[i*4+27] = ROR(tmp[1],12) & 0x03030303;
tk[i*4+27] |= ROR(tmp[1],28) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+28, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+28] ^ tk1[0];
tmp[1] = tk[i*4+29] ^ tk1[1];
tmp[2] = tk[i*4+30] ^ tk1[2];
tmp[3] = tk[i*4+31] ^ tk1[3];
if (test)
permute_tk_8(tmp); // applies P^8
for(int j = 0; j < 4; j++) {
......@@ -361,8 +432,7 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
******************************************************************************/
void precompute_rtk2_3(u32* rtk, const u8* tk2, const u8 * tk3) {
memset(rtk, 0x00, 16*SKINNY128_384_ROUNDS);
precompute_lfsr_tk2(rtk, tk2, SKINNY128_384_ROUNDS);
precompute_lfsr_tk3(rtk, tk3, SKINNY128_384_ROUNDS);
precompute_lfsr_tk2_3(rtk, tk2, tk3, SKINNY128_384_ROUNDS);
permute_tk(rtk, (u8*)(rtk+8), SKINNY128_384_ROUNDS); // rtk+8 is NULL
for(int i = 0; i < SKINNY128_384_ROUNDS; i++) { // add rconsts
for(int j = 0; j < 4; j++)
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_1/encrypt.c
......@@ -8,12 +8,10 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include "skinny128.h"
#include "skinnyaead.h"
#include <string.h>
#include <stdio.h>
/******************************************************************************
* x ^= y where x, y are 128-bit blocks (16 bytes array).
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_1/skinny128.c
......@@ -16,12 +16,9 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "skinny128.h"
#include "tk_schedule.h"
/******************************************************************************
* The MixColumns computation for rounds i such that (i % 4) == 0
......@@ -153,16 +150,8 @@ void skinny128_384_plus_encrypt(u8* ctext, const u8* ptext, const u32* rtk1,
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
QUADRUPLE_ROUND(state, rtk1, rtk2_3);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
for(int i = 0; i < 10; i++)
QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
......@@ -176,15 +165,7 @@ void skinny128_384_plus_decrypt(u8* ctext, const u8* ptext, const u32* rtk1,
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
INV_QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
INV_QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
INV_QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
INV_QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3);
for(int i = 9; i >= 0; i--)
INV_QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
\ No newline at end of file
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_1/skinnyaead.h
......@@ -3,9 +3,7 @@
#include "skinny128.h"
typedef unsigned char u8;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef uint64_t u64;
#define TAGBYTES 16
#define KEYBYTES 16
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_1/tk_schedule.c
......@@ -4,16 +4,11 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include <stdio.h>
#include <string.h> //for memcmp
#include "tk_schedule.h"
#include <string.h>
#include "skinny128.h"
typedef unsigned char u8;
typedef unsigned int u32;
/******************************************************************************
* The round constants according to the new representation.
******************************************************************************/
......@@ -260,6 +255,70 @@ void precompute_lfsr_tk3(u32* tk, const u8* key, const int rounds) {
}
/******************************************************************************
* Precompute LFSR2(TK2) ^ LFSR3(TK3) for all round tweakeys.
* It is equivalent to the following 2 function calls:
* - precompute_lfsr_tk2(tk, t2, SKINNY128_384_ROUNDS);
* - precompute_lfsr_tk3(tk, t3, SKINNY128_384_ROUNDS);
* However 'precompute_lfsr_tk2_3' can allow to save cycles on some platform.
* On ARMv7 one should observe a gain of ~1k cycles per function call. It can be
* explained by the fact that less memory accesses to 'tk' are computed.
*
* To save some code size, the loop can be replaced by the following one:
* for(int i = 0 ; i < rounds; i+=2) {
* lfsr2_bs(tk2);
* lfsr3_bs(tk3);
* tk[i*4+4] = tk2[0] ^ tk3[0];
* tk[i*4+5] = tk2[1] ^ tk3[1];
* tk[i*4+6] = tk2[2] ^ tk3[2];
* tk[i*4+7] = tk2[3] ^ tk3[3];
* }
* at the cost of some cycles (~260 on ARM Cortex-M).
******************************************************************************/
void precompute_lfsr_tk2_3(u32* tk, const u8* t2, const u8* t3, const int rounds) {
u32 tk2[4], tk3[4];
packing(tk2, t2);
packing(tk3, t3);
tk[0] = tk2[0] ^ tk3[0];
tk[1] = tk2[1] ^ tk3[1];
tk[2] = tk2[2] ^ tk3[2];
tk[3] = tk2[3] ^ tk3[3];
for(int i = 0 ; i < rounds; i+=8) {
tk2[0] ^= (tk2[2] & 0xaaaaaaaa);
tk2[0] = ((tk2[0] & 0xaaaaaaaa) >> 1) | ((tk2[0] << 1) & 0xaaaaaaaa);
tk3[3] ^= ((tk3[1] & 0xaaaaaaaa) >> 1);
tk3[3] = ((tk3[3] & 0xaaaaaaaa) >> 1) | ((tk3[3] << 1) & 0xaaaaaaaa);
tk[i*4+4] = tk2[1] ^ tk3[3];
tk[i*4+5] = tk2[2] ^ tk3[0];
tk[i*4+6] = tk2[3] ^ tk3[1];
tk[i*4+7] = tk2[0] ^ tk3[2];
tk2[1] ^= (tk2[3] & 0xaaaaaaaa);
tk2[1] = ((tk2[1] & 0xaaaaaaaa) >> 1) | ((tk2[1] << 1) & 0xaaaaaaaa);
tk3[2] ^= ((tk3[0] & 0xaaaaaaaa) >> 1);
tk3[2] = ((tk3[2] & 0xaaaaaaaa) >> 1) | ((tk3[2] << 1) & 0xaaaaaaaa);
tk[i*4+12] = tk2[2] ^ tk3[2];
tk[i*4+13] = tk2[3] ^ tk3[3];
tk[i*4+14] = tk2[0] ^ tk3[0];
tk[i*4+15] = tk2[1] ^ tk3[1];
tk2[2] ^= (tk2[0] & 0xaaaaaaaa);
tk2[2] = ((tk2[2] & 0xaaaaaaaa) >> 1) | ((tk2[2] << 1) & 0xaaaaaaaa);
tk3[1] ^= ((tk3[3] & 0xaaaaaaaa) >> 1);
tk3[1] = ((tk3[1] & 0xaaaaaaaa) >> 1) | ((tk3[1] << 1) & 0xaaaaaaaa);
tk[i*4+20] = tk2[3] ^ tk3[1];
tk[i*4+21] = tk2[0] ^ tk3[2];
tk[i*4+22] = tk2[1] ^ tk3[3];
tk[i*4+23] = tk2[2] ^ tk3[0];
tk2[3] ^= (tk2[1] & 0xaaaaaaaa);
tk2[3] = ((tk2[3] & 0xaaaaaaaa) >> 1) | ((tk2[3] << 1) & 0xaaaaaaaa);
tk3[0] ^= ((tk3[2] & 0xaaaaaaaa) >> 1);
tk3[0] = ((tk3[0] & 0xaaaaaaaa) >> 1) | ((tk3[0] << 1) & 0xaaaaaaaa);
tk[i*4+28] = tk2[0] ^ tk3[0];
tk[i*4+29] = tk2[1] ^ tk3[1];
tk[i*4+30] = tk2[2] ^ tk3[2];
tk[i*4+31] = tk2[3] ^ tk3[3];
}
}
/******************************************************************************
* XOR TK with TK1 before applying the permutations.
* The key is then rearranged to match the barrel shiftrows representation.
******************************************************************************/
......@@ -267,19 +326,20 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
u32 test;
u32 tk1[4], tmp[4];
packing(tk1, key);
memcpy(tmp, tk, 16);
tmp[0] ^= tk1[0];
tmp[1] ^= tk1[1];
tmp[2] ^= tk1[2];
tmp[3] ^= tk1[3];
tmp[0] = tk[0] ^ tk1[0];
tmp[1] = tk[1] ^ tk1[1];
tmp[2] = tk[2] ^ tk1[2];
tmp[3] = tk[3] ^ tk1[3];
for(int i = 0 ; i < rounds; i += 8) {
test = (i % 16 < 8) ? 1 : 0; //to apply the right power of P
tk[i*4] = tmp[2] & 0xf0f0f0f0;
tk[i*4+1] = tmp[3] & 0xf0f0f0f0;
tk[i*4+2] = tmp[0] & 0xf0f0f0f0;
tk[i*4+3] = tmp[1] & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+4, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+4] ^ tk1[0];
tmp[1] = tk[i*4+5] ^ tk1[1];
tmp[2] = tk[i*4+6] ^ tk1[2];
tmp[3] = tk[i*4+7] ^ tk1[3];
if (test)
permute_tk_2(tmp); // applies P^2
else
......@@ -296,8 +356,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+10] |= ROR(tmp[0],12) & 0x0c0c0c0c;
tk[i*4+11] = ROR(tmp[1],28) & 0x03030303;
tk[i*4+11] |= ROR(tmp[1],12) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+12, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+12] ^ tk1[0];
tmp[1] = tk[i*4+13] ^ tk1[1];
tmp[2] = tk[i*4+14] ^ tk1[2];
tmp[3] = tk[i*4+15] ^ tk1[3];
if (test)
permute_tk_4(tmp); // applies P^4
else
......@@ -310,8 +372,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+17] = ROR(tmp[3], 16) & 0xf0f0f0f0;
tk[i*4+18] = ROR(tmp[0], 16) & 0xf0f0f0f0;
tk[i*4+19] = ROR(tmp[1], 16) & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+20, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+20] ^ tk1[0];
tmp[1] = tk[i*4+21] ^ tk1[1];
tmp[2] = tk[i*4+22] ^ tk1[2];
tmp[3] = tk[i*4+23] ^ tk1[3];
if (test)
permute_tk_6(tmp); // applies P^6
else
......@@ -328,8 +392,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+26] |= ROR(tmp[0],28) & 0x0c0c0c0c;
tk[i*4+27] = ROR(tmp[1],12) & 0x03030303;
tk[i*4+27] |= ROR(tmp[1],28) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+28, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+28] ^ tk1[0];
tmp[1] = tk[i*4+29] ^ tk1[1];
tmp[2] = tk[i*4+30] ^ tk1[2];
tmp[3] = tk[i*4+31] ^ tk1[3];
if (test)
permute_tk_8(tmp); // applies P^8
for(int j = 0; j < 4; j++) {
......@@ -350,8 +416,7 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
******************************************************************************/
void precompute_rtk2_3(u32* rtk, const u8* tk2, const u8 * tk3) {
memset(rtk, 0x00, 16*SKINNY128_384_ROUNDS);
precompute_lfsr_tk2(rtk, tk2, SKINNY128_384_ROUNDS);
precompute_lfsr_tk3(rtk, tk3, SKINNY128_384_ROUNDS);
precompute_lfsr_tk2_3(rtk, tk2, tk3, SKINNY128_384_ROUNDS);
permute_tk(rtk, (u8*)(rtk+8), SKINNY128_384_ROUNDS); // rtk+8 is NULL
for(int i = 0; i < SKINNY128_384_ROUNDS; i++) { // add rconsts
for(int j = 0; j < 4; j++)
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_1/tk_schedule.h
#ifndef TK_SCHEDULE_H_
#define TK_SCHEDULE_H_
typedef unsigned char u8;
typedef unsigned int u32;
#include <stdint.h>
typedef uint8_t u8;
typedef uint32_t u32;
void packing(u32* out, const u8* in);
void unpacking(u8* out, u32 *in);
......@@ -11,13 +12,6 @@ void precompute_rtk1(u32* rtk1, const u8* tk1);
#define ROR(x,y) (((x) >> (y)) | ((x) << (32 - (y))))
#define XOR_BLOCKS(x,y) ({ \
(x)[0] ^= (y)[0]; \
(x)[1] ^= (y)[1]; \
(x)[2] ^= (y)[2]; \
(x)[3] ^= (y)[3]; \
})
#define SWAPMOVE(a, b, mask, n) ({ \
tmp = (b ^ (a >> n)) & mask; \
b ^= tmp; \
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_2/encrypt.c
......@@ -8,12 +8,10 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include "skinny128.h"
#include "skinnyaead.h"
#include <string.h>
#include <stdio.h>
/******************************************************************************
* x ^= y where x, y are 128-bit blocks (16 bytes array).
......@@ -33,13 +31,13 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
u8 feedback;
u8 tmp[2*BLOCKBYTES];
memset(tmp, 0x00, 2*BLOCKBYTES);
memset(auth, 0x00, BLOCKBYTES);
SET_DOMAIN(tmp, 0x02);
SET_DOMAIN(tmp + BLOCKBYTES, 0x02);
memset(auth, 0x00, BLOCKBYTES);
while (adlen >= 2*BLOCKBYTES) {
LE_STR_64(tmp, lfsr);
UPDATE_LFSR(lfsr);
LE_STR_64(tmp + BLOCKBYTES, lfsr);
SET_DOMAIN(tmp + BLOCKBYTES, 0x02);
precompute_rtk1(tk->rtk1, tmp, tmp+BLOCKBYTES);
skinny128_384_plus_encrypt(tmp, tmp+BLOCKBYTES, ad, ad+BLOCKBYTES, *tk);
xor_block(auth, tmp);
......@@ -47,6 +45,9 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
adlen -= 2*BLOCKBYTES;
ad += 2*BLOCKBYTES;
UPDATE_LFSR(lfsr);
memset(tmp, 0x00, 2*BLOCKBYTES); // to save 32 bytes of RAM
SET_DOMAIN(tmp, 0x02);
SET_DOMAIN(tmp + BLOCKBYTES, 0x02);
}
if (adlen > BLOCKBYTES) { // pad and process 2 blocs in //
LE_STR_64(tmp, lfsr);
......@@ -65,11 +66,12 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
LE_STR_64(tmp, lfsr);
if (mlen == 0) { // if tag has *NOT* been calculated yet
precompute_rtk1(tk->rtk1, tmp, tag); // compute the tag
skinny128_384_plus_encrypt(auth, c, ad, c, *tk);
skinny128_384_plus_encrypt(tmp, c, ad, c, *tk);
} else { // if tag has been calculated yet
precompute_rtk1(tk->rtk1, tmp, tmp); // process last ad block
skinny128_384_plus_encrypt(auth, auth, ad, ad, *tk);
skinny128_384_plus_encrypt(tmp, tmp, ad, ad, *tk);
}
xor_block(auth, tmp);
} else if (adlen > 0) {
LE_STR_64(tmp, lfsr);
SET_DOMAIN(tmp, 0x03); // domain for padding ad
......@@ -78,11 +80,12 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
tmp[BLOCKBYTES + adlen] ^= 0x80; // padding
if (mlen == 0) { // if tag has *NOT* been calculated yet
precompute_rtk1(tk->rtk1, tmp, tag); // compute the tag
skinny128_384_plus_encrypt(auth, c, tmp + BLOCKBYTES, c, *tk);
skinny128_384_plus_encrypt(tmp, c, tmp + BLOCKBYTES, c, *tk);
} else { // if tag has been calculated yet
precompute_rtk1(tk->rtk1, tmp, tmp); // process last ad block
skinny128_384_plus_encrypt(auth, auth, tmp + BLOCKBYTES, tmp + BLOCKBYTES, *tk);
skinny128_384_plus_encrypt(tmp, tmp, tmp + BLOCKBYTES, tmp + BLOCKBYTES, *tk);
}
xor_block(auth, tmp);
}
}
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_2/skinny128.c
......@@ -16,12 +16,9 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "skinny128.h"
#include "tk_schedule.h"
/****************************************************************************
* The MixColumns operation for rounds i such that (i % 4) == 0.
......@@ -84,7 +81,7 @@ void mixcolumns_3(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 0
* The inverse MixColumns operation for rounds i such that (i % 4) == 0
****************************************************************************/
void inv_mixcolumns_0(u32* state) {
u32 tmp;
......@@ -99,7 +96,7 @@ void inv_mixcolumns_0(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 1
* The inverse MixColumns operation for rounds i such that (i % 4) == 1
****************************************************************************/
void inv_mixcolumns_1(u32* state) {
u32 tmp;
......@@ -114,7 +111,7 @@ void inv_mixcolumns_1(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 2
* The inverse MixColumns operation for rounds i such that (i % 4) == 2
****************************************************************************/
void inv_mixcolumns_2(u32* state) {
u32 tmp;
......@@ -129,7 +126,7 @@ void inv_mixcolumns_2(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 3
* The inverse MixColumns operation for rounds i such that (i % 4) == 3
****************************************************************************/
void inv_mixcolumns_3(u32* state) {
u32 tmp;
......@@ -166,16 +163,8 @@ void skinny128_384_plus_encrypt(u8* ctext, u8* ctext_bis, const u8* ptext,
const u8* ptext_bis, const tweakey tk) {
u32 state[8];
packing(state, ptext, ptext_bis);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+32);
QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+64);
QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+96);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+128);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+160);
QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+192);
QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+224);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+256);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+288);
for(int i = 0; i < 10; i++)
QUADRUPLE_ROUND(state, tk.rtk1 + (i%4)*32, tk.rtk2_3 + i*32);
unpacking(ctext, ctext_bis, state);
}
......@@ -188,15 +177,7 @@ void skinny128_384_plus_decrypt(u8* ptext, u8* ptext_bis, const u8* ctext,
const u8* ctext_bis, const tweakey tk) {
u32 state[8];
packing(state, ctext, ctext_bis);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+288);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+256);
INV_QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+224);
INV_QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+192);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+160);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+128);
INV_QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+96);
INV_QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+64);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+32);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3);
for(int i = 9; i >= 0; i--)
INV_QUADRUPLE_ROUND(state, tk.rtk1 + (i%4)*32, tk.rtk2_3 + i*32);
unpacking(ptext, ptext_bis, state);
}
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_2/skinny128.h
#ifndef SKINNY128_H_
#define SKINNY128_H_
#include "tk_schedule.h"
void skinny128_384_plus_encrypt(u8* ctext, u8* ctext_bis, const u8* ptext,
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_2/skinnyaead.h
......@@ -3,9 +3,7 @@
#include "skinny128.h"
typedef unsigned char u8;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef uint64_t u64;
#define TAGBYTES 16
#define KEYBYTES 16
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_2/tk_schedule.c
......@@ -7,15 +7,11 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
*******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "tk_schedule.h"
typedef unsigned char u8;
typedef unsigned int u32;
/****************************************************************************
* The round constants according to the fixsliced representation.
****************************************************************************/
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128+v1/opt32_2/tk_schedule.h
#ifndef TK_SCHEDULE_BS_H_
#define TK_SCHEDULE_BS_H_
typedef unsigned char u8;
typedef unsigned int u32;
#include <stdint.h>
typedef uint8_t u8;
typedef uint32_t u32;
typedef struct {
u32 rtk1[8*16];
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_1/encrypt.c
/******************************************************************************
* Constant-time implementation of SKINNY-AEAD-M1 (v1.1).
*
* Two blocks are treated in parallel with SKINNY-128-384 whenever possible.
* Constant-time implementation of SKINNY-AEAD-M1(v1).
*
* For more details, see the paper at: https://
*
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include "skinny128.h"
#include "skinnyaead.h"
#include <string.h>
#include <stdio.h>
/******************************************************************************
* x ^= y where x, y are 128-bit blocks (16 bytes array).
......@@ -75,12 +71,6 @@ int crypto_aead_encrypt (unsigned char *c, unsigned long long *clen,
}
LE_STR_64(tmp, lfsr); // lfsr for tag computation
precompute_rtk1(rtk1, tmp);
for(int i = 0; i < 16; i++) {
printf("%08x %08x %08x %08x\n",rtk1[i*4], rtk1[i*4+1],rtk1[i*4+2],rtk1[i*4+3]);
}
for(int i = 0; i < 56; i++) {
printf("%08x %08x %08x %08x\n",rtk2_3[i*4], rtk2_3[i*4+1],rtk2_3[i*4+2],rtk2_3[i*4+3]);
}
skinny128_384_encrypt(c, c, rtk1, rtk2_3); // compute the tag
// ----------------- Process the plaintext -----------------
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_1/skinny128.c
......@@ -16,12 +16,9 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "skinny128.h"
#include "tk_schedule.h"
/******************************************************************************
* The MixColumns computation for rounds i such that (i % 4) == 0
......@@ -153,20 +150,8 @@ void skinny128_384_encrypt(u8* ctext, const u8* ptext, const u32* rtk1,
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
QUADRUPLE_ROUND(state, rtk1, rtk2_3);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+160);
QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+176);
QUADRUPLE_ROUND(state, rtk1, rtk2_3+192);
QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+208);
for(int i = 0; i < 14; i++)
QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
......@@ -180,19 +165,7 @@ void skinny128_384_decrypt(u8* ctext, const u8* ptext, const u32* rtk1,
u32 tmp; // used in SWAPMOVE macro
u32 state[4]; // 128-bit state
packing(state, ptext); // from byte to bitsliced representation
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+208);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3+192);
INV_QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+176);
INV_QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+160);
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+144);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3+128);
INV_QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+112);
INV_QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+96);
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+80);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3+64);
INV_QUADRUPLE_ROUND(state, rtk1+48, rtk2_3+48);
INV_QUADRUPLE_ROUND(state, rtk1+32, rtk2_3+32);
INV_QUADRUPLE_ROUND(state, rtk1+16, rtk2_3+16);
INV_QUADRUPLE_ROUND(state, rtk1, rtk2_3);
for(int i = 13; i >= 0; i--)
INV_QUADRUPLE_ROUND(state, rtk1 + (i%4)*16, rtk2_3 + i*16);
unpacking(ctext, state); // from bitsliced to byte representation
}
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_1/skinnyaead.h
......@@ -3,9 +3,7 @@
#include "skinny128.h"
typedef unsigned char u8;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef uint64_t u64;
#define TAGBYTES 16
#define KEYBYTES 16
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_1/tk_schedule.c
......@@ -4,16 +4,11 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include <stdio.h>
#include <string.h> //for memcmp
#include "tk_schedule.h"
#include <string.h>
#include "skinny128.h"
typedef unsigned char u8;
typedef unsigned int u32;
/******************************************************************************
* The round constants according to the new representation.
******************************************************************************/
......@@ -271,6 +266,70 @@ void precompute_lfsr_tk3(u32* tk, const u8* key, const int rounds) {
}
/******************************************************************************
* Precompute LFSR2(TK2) ^ LFSR3(TK3) for all round tweakeys.
* It is equivalent to the following 2 function calls:
* - precompute_lfsr_tk2(tk, t2, SKINNY128_384_ROUNDS);
* - precompute_lfsr_tk3(tk, t3, SKINNY128_384_ROUNDS);
* However 'precompute_lfsr_tk2_3' can allow to save cycles on some platform.
* On ARMv7 one should observe a gain of ~1k cycles per function call. It can be
* explained by the fact that less memory accesses to 'tk' are computed.
*
* To save some code size, the loop can be replaced by the following one:
* for(int i = 0 ; i < rounds; i+=2) {
* lfsr2_bs(tk2);
* lfsr3_bs(tk3);
* tk[i*4+4] = tk2[0] ^ tk3[0];
* tk[i*4+5] = tk2[1] ^ tk3[1];
* tk[i*4+6] = tk2[2] ^ tk3[2];
* tk[i*4+7] = tk2[3] ^ tk3[3];
* }
* at the cost of some cycles (~260 on ARM Cortex-M).
******************************************************************************/
void precompute_lfsr_tk2_3(u32* tk, const u8* t2, const u8* t3, const int rounds) {
u32 tk2[4], tk3[4];
packing(tk2, t2);
packing(tk3, t3);
tk[0] = tk2[0] ^ tk3[0];
tk[1] = tk2[1] ^ tk3[1];
tk[2] = tk2[2] ^ tk3[2];
tk[3] = tk2[3] ^ tk3[3];
for(int i = 0 ; i < rounds; i+=8) {
tk2[0] ^= (tk2[2] & 0xaaaaaaaa);
tk2[0] = ((tk2[0] & 0xaaaaaaaa) >> 1) | ((tk2[0] << 1) & 0xaaaaaaaa);
tk3[3] ^= ((tk3[1] & 0xaaaaaaaa) >> 1);
tk3[3] = ((tk3[3] & 0xaaaaaaaa) >> 1) | ((tk3[3] << 1) & 0xaaaaaaaa);
tk[i*4+4] = tk2[1] ^ tk3[3];
tk[i*4+5] = tk2[2] ^ tk3[0];
tk[i*4+6] = tk2[3] ^ tk3[1];
tk[i*4+7] = tk2[0] ^ tk3[2];
tk2[1] ^= (tk2[3] & 0xaaaaaaaa);
tk2[1] = ((tk2[1] & 0xaaaaaaaa) >> 1) | ((tk2[1] << 1) & 0xaaaaaaaa);
tk3[2] ^= ((tk3[0] & 0xaaaaaaaa) >> 1);
tk3[2] = ((tk3[2] & 0xaaaaaaaa) >> 1) | ((tk3[2] << 1) & 0xaaaaaaaa);
tk[i*4+12] = tk2[2] ^ tk3[2];
tk[i*4+13] = tk2[3] ^ tk3[3];
tk[i*4+14] = tk2[0] ^ tk3[0];
tk[i*4+15] = tk2[1] ^ tk3[1];
tk2[2] ^= (tk2[0] & 0xaaaaaaaa);
tk2[2] = ((tk2[2] & 0xaaaaaaaa) >> 1) | ((tk2[2] << 1) & 0xaaaaaaaa);
tk3[1] ^= ((tk3[3] & 0xaaaaaaaa) >> 1);
tk3[1] = ((tk3[1] & 0xaaaaaaaa) >> 1) | ((tk3[1] << 1) & 0xaaaaaaaa);
tk[i*4+20] = tk2[3] ^ tk3[1];
tk[i*4+21] = tk2[0] ^ tk3[2];
tk[i*4+22] = tk2[1] ^ tk3[3];
tk[i*4+23] = tk2[2] ^ tk3[0];
tk2[3] ^= (tk2[1] & 0xaaaaaaaa);
tk2[3] = ((tk2[3] & 0xaaaaaaaa) >> 1) | ((tk2[3] << 1) & 0xaaaaaaaa);
tk3[0] ^= ((tk3[2] & 0xaaaaaaaa) >> 1);
tk3[0] = ((tk3[0] & 0xaaaaaaaa) >> 1) | ((tk3[0] << 1) & 0xaaaaaaaa);
tk[i*4+28] = tk2[0] ^ tk3[0];
tk[i*4+29] = tk2[1] ^ tk3[1];
tk[i*4+30] = tk2[2] ^ tk3[2];
tk[i*4+31] = tk2[3] ^ tk3[3];
}
}
/******************************************************************************
* XOR TK with TK1 before applying the permutations.
* The key is then rearranged to match the barrel shiftrows representation.
******************************************************************************/
......@@ -278,19 +337,20 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
u32 test;
u32 tk1[4], tmp[4];
packing(tk1, key);
memcpy(tmp, tk, 16);
tmp[0] ^= tk1[0];
tmp[1] ^= tk1[1];
tmp[2] ^= tk1[2];
tmp[3] ^= tk1[3];
tmp[0] = tk[0] ^ tk1[0];
tmp[1] = tk[1] ^ tk1[1];
tmp[2] = tk[2] ^ tk1[2];
tmp[3] = tk[3] ^ tk1[3];
for(int i = 0 ; i < rounds; i += 8) {
test = (i % 16 < 8) ? 1 : 0; //to apply the right power of P
tk[i*4] = tmp[2] & 0xf0f0f0f0;
tk[i*4+1] = tmp[3] & 0xf0f0f0f0;
tk[i*4+2] = tmp[0] & 0xf0f0f0f0;
tk[i*4+3] = tmp[1] & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+4, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+4] ^ tk1[0];
tmp[1] = tk[i*4+5] ^ tk1[1];
tmp[2] = tk[i*4+6] ^ tk1[2];
tmp[3] = tk[i*4+7] ^ tk1[3];
if (test)
permute_tk_2(tmp); // applies P^2
else
......@@ -307,8 +367,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+10] |= ROR(tmp[0],12) & 0x0c0c0c0c;
tk[i*4+11] = ROR(tmp[1],28) & 0x03030303;
tk[i*4+11] |= ROR(tmp[1],12) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+12, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+12] ^ tk1[0];
tmp[1] = tk[i*4+13] ^ tk1[1];
tmp[2] = tk[i*4+14] ^ tk1[2];
tmp[3] = tk[i*4+15] ^ tk1[3];
if (test)
permute_tk_4(tmp); // applies P^4
else
......@@ -321,8 +383,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+17] = ROR(tmp[3], 16) & 0xf0f0f0f0;
tk[i*4+18] = ROR(tmp[0], 16) & 0xf0f0f0f0;
tk[i*4+19] = ROR(tmp[1], 16) & 0xf0f0f0f0;
memcpy(tmp, tk+i*4+20, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+20] ^ tk1[0];
tmp[1] = tk[i*4+21] ^ tk1[1];
tmp[2] = tk[i*4+22] ^ tk1[2];
tmp[3] = tk[i*4+23] ^ tk1[3];
if (test)
permute_tk_6(tmp); // applies P^6
else
......@@ -339,8 +403,10 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
tk[i*4+26] |= ROR(tmp[0],28) & 0x0c0c0c0c;
tk[i*4+27] = ROR(tmp[1],12) & 0x03030303;
tk[i*4+27] |= ROR(tmp[1],28) & 0x0c0c0c0c;
memcpy(tmp, tk+i*4+28, 16);
XOR_BLOCKS(tmp, tk1);
tmp[0] = tk[i*4+28] ^ tk1[0];
tmp[1] = tk[i*4+29] ^ tk1[1];
tmp[2] = tk[i*4+30] ^ tk1[2];
tmp[3] = tk[i*4+31] ^ tk1[3];
if (test)
permute_tk_8(tmp); // applies P^8
for(int j = 0; j < 4; j++) {
......@@ -361,8 +427,7 @@ void permute_tk(u32* tk, const u8* key, const int rounds) {
******************************************************************************/
void precompute_rtk2_3(u32* rtk, const u8* tk2, const u8 * tk3) {
memset(rtk, 0x00, 16*SKINNY128_384_ROUNDS);
precompute_lfsr_tk2(rtk, tk2, SKINNY128_384_ROUNDS);
precompute_lfsr_tk3(rtk, tk3, SKINNY128_384_ROUNDS);
precompute_lfsr_tk2_3(rtk, tk2, tk3, SKINNY128_384_ROUNDS);
permute_tk(rtk, (u8*)(rtk+8), SKINNY128_384_ROUNDS); // rtk+8 is NULL
for(int i = 0; i < SKINNY128_384_ROUNDS; i++) { // add rconsts
for(int j = 0; j < 4; j++)
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_1/tk_schedule.h
#ifndef TK_SCHEDULE_H_
#define TK_SCHEDULE_H_
typedef unsigned char u8;
typedef unsigned int u32;
#include <stdint.h>
typedef uint8_t u8;
typedef uint32_t u32;
void packing(u32* out, const u8* in);
void unpacking(u8* out, u32 *in);
......@@ -11,13 +13,6 @@ void precompute_rtk1(u32* rtk1, const u8* tk1);
#define ROR(x,y) (((x) >> (y)) | ((x) << (32 - (y))))
#define XOR_BLOCKS(x,y) ({ \
(x)[0] ^= (y)[0]; \
(x)[1] ^= (y)[1]; \
(x)[2] ^= (y)[2]; \
(x)[3] ^= (y)[3]; \
})
#define SWAPMOVE(a, b, mask, n) ({ \
tmp = (b ^ (a >> n)) & mask; \
b ^= tmp; \
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_2/encrypt.c
......@@ -8,12 +8,10 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include "skinny128.h"
#include "skinnyaead.h"
#include <string.h>
#include <stdio.h>
/******************************************************************************
* x ^= y where x, y are 128-bit blocks (16 bytes array).
......@@ -33,13 +31,13 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
u8 feedback;
u8 tmp[2*BLOCKBYTES];
memset(tmp, 0x00, 2*BLOCKBYTES);
memset(auth, 0x00, BLOCKBYTES);
SET_DOMAIN(tmp, 0x02);
SET_DOMAIN(tmp + BLOCKBYTES, 0x02);
memset(auth, 0x00, BLOCKBYTES);
while (adlen >= 2*BLOCKBYTES) {
LE_STR_64(tmp, lfsr);
UPDATE_LFSR(lfsr);
LE_STR_64(tmp + BLOCKBYTES, lfsr);
SET_DOMAIN(tmp + BLOCKBYTES, 0x02);
precompute_rtk1(tk->rtk1, tmp, tmp+BLOCKBYTES);
skinny128_384_encrypt(tmp, tmp+BLOCKBYTES, ad, ad+BLOCKBYTES, *tk);
xor_block(auth, tmp);
......@@ -47,6 +45,9 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
adlen -= 2*BLOCKBYTES;
ad += 2*BLOCKBYTES;
UPDATE_LFSR(lfsr);
memset(tmp, 0x00, 2*BLOCKBYTES); // to save 32 bytes of RAM
SET_DOMAIN(tmp, 0x02);
SET_DOMAIN(tmp + BLOCKBYTES, 0x02);
}
if (adlen > BLOCKBYTES) { // pad and process 2 blocs in //
LE_STR_64(tmp, lfsr);
......@@ -65,11 +66,12 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
LE_STR_64(tmp, lfsr);
if (mlen == 0) { // if tag has *NOT* been calculated yet
precompute_rtk1(tk->rtk1, tmp, tag); // compute the tag
skinny128_384_encrypt(auth, c, ad, c, *tk);
skinny128_384_encrypt(tmp, c, ad, c, *tk);
} else { // if tag has been calculated yet
precompute_rtk1(tk->rtk1, tmp, tmp); // process last ad block
skinny128_384_encrypt(auth, auth, ad, ad, *tk);
skinny128_384_encrypt(tmp, tmp, ad, ad, *tk);
}
xor_block(auth, tmp);
} else if (adlen > 0) {
LE_STR_64(tmp, lfsr);
SET_DOMAIN(tmp, 0x03); // domain for padding ad
......@@ -78,11 +80,12 @@ static void skinny_aead_m1_auth(u8* auth, u8* c, u8* tag, tweakey* tk,
tmp[BLOCKBYTES + adlen] ^= 0x80; // padding
if (mlen == 0) { // if tag has *NOT* been calculated yet
precompute_rtk1(tk->rtk1, tmp, tag); // compute the tag
skinny128_384_encrypt(auth, c, tmp + BLOCKBYTES, c, *tk);
skinny128_384_encrypt(tmp, c, tmp + BLOCKBYTES, c, *tk);
} else { // if tag has been calculated yet
precompute_rtk1(tk->rtk1, tmp, tmp); // process last ad block
skinny128_384_encrypt(auth, auth, tmp + BLOCKBYTES, tmp + BLOCKBYTES, *tk);
skinny128_384_encrypt(tmp, tmp, tmp + BLOCKBYTES, tmp + BLOCKBYTES, *tk);
}
xor_block(auth, tmp);
}
}
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_2/skinny128.c
......@@ -16,12 +16,9 @@
* @author Alexandre Adomnicai, Nanyang Technological University,
* alexandre.adomnicai@ntu.edu.sg
*
* @date May 2020
* @date June 2020
******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "skinny128.h"
#include "tk_schedule.h"
/****************************************************************************
* The MixColumns operation for rounds i such that (i % 4) == 0.
......@@ -84,7 +81,7 @@ void mixcolumns_3(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 0
* The inverse MixColumns operation for rounds i such that (i % 4) == 0
****************************************************************************/
void inv_mixcolumns_0(u32* state) {
u32 tmp;
......@@ -99,7 +96,7 @@ void inv_mixcolumns_0(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 1
* The inverse MixColumns operation for rounds i such that (i % 4) == 1
****************************************************************************/
void inv_mixcolumns_1(u32* state) {
u32 tmp;
......@@ -114,7 +111,7 @@ void inv_mixcolumns_1(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 2
* The inverse MixColumns operation for rounds i such that (i % 4) == 2
****************************************************************************/
void inv_mixcolumns_2(u32* state) {
u32 tmp;
......@@ -129,7 +126,7 @@ void inv_mixcolumns_2(u32* state) {
}
/****************************************************************************
* The inverse MixColumns oepration for rounds i such that (i % 4) == 3
* The inverse MixColumns operation for rounds i such that (i % 4) == 3
****************************************************************************/
void inv_mixcolumns_3(u32* state) {
u32 tmp;
......@@ -166,20 +163,8 @@ void skinny128_384_encrypt(u8* ctext, u8* ctext_bis, const u8* ptext,
const u8* ptext_bis, const tweakey tk) {
u32 state[8];
packing(state, ptext, ptext_bis);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+32);
QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+64);
QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+96);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+128);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+160);
QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+192);
QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+224);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+256);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+288);
QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+320);
QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+352);
QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+384);
QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+416);
for(int i = 0; i < 14; i++)
QUADRUPLE_ROUND(state, tk.rtk1 + (i%4)*32, tk.rtk2_3 + i*32);
unpacking(ctext, ctext_bis, state);
}
......@@ -192,19 +177,7 @@ void skinny128_384_decrypt(u8* ptext, u8* ptext_bis, const u8* ctext,
const u8* ctext_bis, const tweakey tk) {
u32 state[8];
packing(state, ctext, ctext_bis);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+416);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+384);
INV_QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+352);
INV_QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+320);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+288);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+256);
INV_QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+224);
INV_QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+192);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+160);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3+128);
INV_QUADRUPLE_ROUND(state, tk.rtk1+96, tk.rtk2_3+96);
INV_QUADRUPLE_ROUND(state, tk.rtk1+64, tk.rtk2_3+64);
INV_QUADRUPLE_ROUND(state, tk.rtk1+32, tk.rtk2_3+32);
INV_QUADRUPLE_ROUND(state, tk.rtk1, tk.rtk2_3);
for(int i = 13; i >= 0; i--)
INV_QUADRUPLE_ROUND(state, tk.rtk1 + (i%4)*32, tk.rtk2_3 + i*32);
unpacking(ptext, ptext_bis, state);
}
\ No newline at end of file
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_2/skinnyaead.h
......@@ -3,9 +3,7 @@
#include "skinny128.h"
typedef unsigned char u8;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef uint64_t u64;
#define TAGBYTES 16
#define KEYBYTES 16
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_2/tk_schedule.c
......@@ -9,13 +9,9 @@
*
* @date May 2020
*******************************************************************************/
#include <stdio.h>
#include <string.h>
#include "tk_schedule.h"
typedef unsigned char u8;
typedef unsigned int u32;
/****************************************************************************
* The round constants according to the fixsliced representation.
****************************************************************************/
......
skinny/Implementations/crypto_aead/skinnyaeadtk3128128v1/opt32_2/tk_schedule.h
#ifndef TK_SCHEDULE_BS_H_
#define TK_SCHEDULE_BS_H_
typedef unsigned char u8;
typedef unsigned int u32;
#include <stdint.h>
typedef uint8_t u8;
typedef uint32_t u32;
typedef struct {
u32 rtk1[8*16];
......
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