diff options
Diffstat (limited to 'src/add_tweakeysequences')
| l--------- | src/add_tweakeysequences/cipher.c | 1 | ||||
| l--------- | src/add_tweakeysequences/cipher.h | 1 | ||||
| l--------- | src/add_tweakeysequences/constants.h | 1 | ||||
| l--------- | src/add_tweakeysequences/lilliput-ae-utils.h | 1 | ||||
| l--------- | src/add_tweakeysequences/lilliput-ae.h | 1 | ||||
| l--------- | src/add_tweakeysequences/lilliput-i.c | 1 | ||||
| l--------- | src/add_tweakeysequences/lilliput-ii.c | 1 | ||||
| -rw-r--r-- | src/add_tweakeysequences/tweakey.c | 240 | ||||
| l--------- | src/add_tweakeysequences/tweakey.h | 1 |
9 files changed, 0 insertions, 248 deletions
diff --git a/src/add_tweakeysequences/cipher.c b/src/add_tweakeysequences/cipher.c deleted file mode 120000 index a2ac6a3..0000000 --- a/src/add_tweakeysequences/cipher.c +++ /dev/null @@ -1 +0,0 @@ -../ref/cipher.c
\ No newline at end of file diff --git a/src/add_tweakeysequences/cipher.h b/src/add_tweakeysequences/cipher.h deleted file mode 120000 index eab258b..0000000 --- a/src/add_tweakeysequences/cipher.h +++ /dev/null @@ -1 +0,0 @@ -../ref/cipher.h
\ No newline at end of file diff --git a/src/add_tweakeysequences/constants.h b/src/add_tweakeysequences/constants.h deleted file mode 120000 index 67df0f3..0000000 --- a/src/add_tweakeysequences/constants.h +++ /dev/null @@ -1 +0,0 @@ -../ref/constants.h
\ No newline at end of file diff --git a/src/add_tweakeysequences/lilliput-ae-utils.h b/src/add_tweakeysequences/lilliput-ae-utils.h deleted file mode 120000 index b46625b..0000000 --- a/src/add_tweakeysequences/lilliput-ae-utils.h +++ /dev/null @@ -1 +0,0 @@ -../ref/lilliput-ae-utils.h
\ No newline at end of file diff --git a/src/add_tweakeysequences/lilliput-ae.h b/src/add_tweakeysequences/lilliput-ae.h deleted file mode 120000 index 66c8314..0000000 --- a/src/add_tweakeysequences/lilliput-ae.h +++ /dev/null @@ -1 +0,0 @@ -../ref/lilliput-ae.h
\ No newline at end of file diff --git a/src/add_tweakeysequences/lilliput-i.c b/src/add_tweakeysequences/lilliput-i.c deleted file mode 120000 index 46688d4..0000000 --- a/src/add_tweakeysequences/lilliput-i.c +++ /dev/null @@ -1 +0,0 @@ -../ref/lilliput-i.c
\ No newline at end of file diff --git a/src/add_tweakeysequences/lilliput-ii.c b/src/add_tweakeysequences/lilliput-ii.c deleted file mode 120000 index 09abf10..0000000 --- a/src/add_tweakeysequences/lilliput-ii.c +++ /dev/null @@ -1 +0,0 @@ -../ref/lilliput-ii.c
\ No newline at end of file diff --git a/src/add_tweakeysequences/tweakey.c b/src/add_tweakeysequences/tweakey.c deleted file mode 100644 index fa77e36..0000000 --- a/src/add_tweakeysequences/tweakey.c +++ /dev/null @@ -1,240 +0,0 @@ -/* -Implementation of the Lilliput-AE tweakable block cipher. - -Author: Kévin Le Gouguec, 2019. - -For more information, feedback or questions, refer to our website: -https://paclido.fr/lilliput-ae - -To the extent possible under law, the implementer has waived all copyright -and related or neighboring rights to the source code in this file. -http://creativecommons.org/publicdomain/zero/1.0/ - ---- - -This file provides an implementation of Lilliput-TBC's tweakey schedule, -where multiplications by matrices M and M_R to the power n are performed -by functions expressing the exponentiated matrices with shifts and XORs, -with 8×8 matrices M_1, M_2, M_3 and M_4 pre-computed as lookup tables. -*/ - -#include <stdint.h> -#include <string.h> - -#include "constants.h" -#include "tweakey.h" - - -#define LANE_BITS 64 -#define LANE_BYTES (LANE_BITS/8) -#define LANES_NB (TWEAKEY_BYTES/LANE_BYTES) - - -void tweakey_state_init( - uint8_t TK[TWEAKEY_BYTES], - const uint8_t key[KEY_BYTES], - const uint8_t tweak[TWEAK_BYTES] -) -{ - memcpy(TK, tweak, TWEAK_BYTES); - memcpy(TK+TWEAK_BYTES, key, KEY_BYTES); -} - - -void tweakey_state_extract( - const uint8_t TK[TWEAKEY_BYTES], - uint8_t round_constant, - uint8_t round_tweakey[ROUND_TWEAKEY_BYTES] -) -{ - memset(round_tweakey, 0, ROUND_TWEAKEY_BYTES); - - for (size_t j=0; j<LANES_NB; j++) - { - const uint8_t *TKj = TK + j*LANE_BYTES; - - for (size_t k=0; k<LANE_BYTES; k++) - { - round_tweakey[k] ^= TKj[k]; - } - } - - round_tweakey[0] ^= round_constant; -} - - -static const uint8_t M_1[256] = { - 0x00, 0x08, 0x10, 0x18, 0x20, 0x28, 0x30, 0x38, 0x41, 0x49, 0x51, 0x59, 0x61, 0x69, 0x71, 0x79, - 0x82, 0x8A, 0x92, 0x9A, 0xA2, 0xAA, 0xB2, 0xBA, 0xC3, 0xCB, 0xD3, 0xDB, 0xE3, 0xEB, 0xF3, 0xFB, - 0x04, 0x0C, 0x14, 0x1C, 0x24, 0x2C, 0x34, 0x3C, 0x45, 0x4D, 0x55, 0x5D, 0x65, 0x6D, 0x75, 0x7D, - 0x86, 0x8E, 0x96, 0x9E, 0xA6, 0xAE, 0xB6, 0xBE, 0xC7, 0xCF, 0xD7, 0xDF, 0xE7, 0xEF, 0xF7, 0xFF, - 0x08, 0x00, 0x18, 0x10, 0x28, 0x20, 0x38, 0x30, 0x49, 0x41, 0x59, 0x51, 0x69, 0x61, 0x79, 0x71, - 0x8A, 0x82, 0x9A, 0x92, 0xAA, 0xA2, 0xBA, 0xB2, 0xCB, 0xC3, 0xDB, 0xD3, 0xEB, 0xE3, 0xFB, 0xF3, - 0x0C, 0x04, 0x1C, 0x14, 0x2C, 0x24, 0x3C, 0x34, 0x4D, 0x45, 0x5D, 0x55, 0x6D, 0x65, 0x7D, 0x75, - 0x8E, 0x86, 0x9E, 0x96, 0xAE, 0xA6, 0xBE, 0xB6, 0xCF, 0xC7, 0xDF, 0xD7, 0xEF, 0xE7, 0xFF, 0xF7, - 0x10, 0x18, 0x00, 0x08, 0x30, 0x38, 0x20, 0x28, 0x51, 0x59, 0x41, 0x49, 0x71, 0x79, 0x61, 0x69, - 0x92, 0x9A, 0x82, 0x8A, 0xB2, 0xBA, 0xA2, 0xAA, 0xD3, 0xDB, 0xC3, 0xCB, 0xF3, 0xFB, 0xE3, 0xEB, - 0x14, 0x1C, 0x04, 0x0C, 0x34, 0x3C, 0x24, 0x2C, 0x55, 0x5D, 0x45, 0x4D, 0x75, 0x7D, 0x65, 0x6D, - 0x96, 0x9E, 0x86, 0x8E, 0xB6, 0xBE, 0xA6, 0xAE, 0xD7, 0xDF, 0xC7, 0xCF, 0xF7, 0xFF, 0xE7, 0xEF, - 0x18, 0x10, 0x08, 0x00, 0x38, 0x30, 0x28, 0x20, 0x59, 0x51, 0x49, 0x41, 0x79, 0x71, 0x69, 0x61, - 0x9A, 0x92, 0x8A, 0x82, 0xBA, 0xB2, 0xAA, 0xA2, 0xDB, 0xD3, 0xCB, 0xC3, 0xFB, 0xF3, 0xEB, 0xE3, - 0x1C, 0x14, 0x0C, 0x04, 0x3C, 0x34, 0x2C, 0x24, 0x5D, 0x55, 0x4D, 0x45, 0x7D, 0x75, 0x6D, 0x65, - 0x9E, 0x96, 0x8E, 0x86, 0xBE, 0xB6, 0xAE, 0xA6, 0xDF, 0xD7, 0xCF, 0xC7, 0xFF, 0xF7, 0xEF, 0xE7 -}; - -static const uint8_t M_2[256] = { - 0x00, 0x40, 0x80, 0xC0, 0x00, 0x40, 0x80, 0xC0, 0x08, 0x48, 0x88, 0xC8, 0x08, 0x48, 0x88, 0xC8, - 0x10, 0x50, 0x90, 0xD0, 0x10, 0x50, 0x90, 0xD0, 0x18, 0x58, 0x98, 0xD8, 0x18, 0x58, 0x98, 0xD8, - 0x20, 0x60, 0xA0, 0xE0, 0x20, 0x60, 0xA0, 0xE0, 0x28, 0x68, 0xA8, 0xE8, 0x28, 0x68, 0xA8, 0xE8, - 0x30, 0x70, 0xB0, 0xF0, 0x30, 0x70, 0xB0, 0xF0, 0x38, 0x78, 0xB8, 0xF8, 0x38, 0x78, 0xB8, 0xF8, - 0x41, 0x01, 0xC1, 0x81, 0x41, 0x01, 0xC1, 0x81, 0x49, 0x09, 0xC9, 0x89, 0x49, 0x09, 0xC9, 0x89, - 0x51, 0x11, 0xD1, 0x91, 0x51, 0x11, 0xD1, 0x91, 0x59, 0x19, 0xD9, 0x99, 0x59, 0x19, 0xD9, 0x99, - 0x61, 0x21, 0xE1, 0xA1, 0x61, 0x21, 0xE1, 0xA1, 0x69, 0x29, 0xE9, 0xA9, 0x69, 0x29, 0xE9, 0xA9, - 0x71, 0x31, 0xF1, 0xB1, 0x71, 0x31, 0xF1, 0xB1, 0x79, 0x39, 0xF9, 0xB9, 0x79, 0x39, 0xF9, 0xB9, - 0x82, 0xC2, 0x02, 0x42, 0x82, 0xC2, 0x02, 0x42, 0x8A, 0xCA, 0x0A, 0x4A, 0x8A, 0xCA, 0x0A, 0x4A, - 0x92, 0xD2, 0x12, 0x52, 0x92, 0xD2, 0x12, 0x52, 0x9A, 0xDA, 0x1A, 0x5A, 0x9A, 0xDA, 0x1A, 0x5A, - 0xA2, 0xE2, 0x22, 0x62, 0xA2, 0xE2, 0x22, 0x62, 0xAA, 0xEA, 0x2A, 0x6A, 0xAA, 0xEA, 0x2A, 0x6A, - 0xB2, 0xF2, 0x32, 0x72, 0xB2, 0xF2, 0x32, 0x72, 0xBA, 0xFA, 0x3A, 0x7A, 0xBA, 0xFA, 0x3A, 0x7A, - 0xC3, 0x83, 0x43, 0x03, 0xC3, 0x83, 0x43, 0x03, 0xCB, 0x8B, 0x4B, 0x0B, 0xCB, 0x8B, 0x4B, 0x0B, - 0xD3, 0x93, 0x53, 0x13, 0xD3, 0x93, 0x53, 0x13, 0xDB, 0x9B, 0x5B, 0x1B, 0xDB, 0x9B, 0x5B, 0x1B, - 0xE3, 0xA3, 0x63, 0x23, 0xE3, 0xA3, 0x63, 0x23, 0xEB, 0xAB, 0x6B, 0x2B, 0xEB, 0xAB, 0x6B, 0x2B, - 0xF3, 0xB3, 0x73, 0x33, 0xF3, 0xB3, 0x73, 0x33, 0xFB, 0xBB, 0x7B, 0x3B, 0xFB, 0xBB, 0x7B, 0x3B -}; - -static const uint8_t M_3[256] = { - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F -}; - -static const uint8_t M_4[256] = { - 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07, - 0x08, 0x08, 0x09, 0x09, 0x0A, 0x0A, 0x0B, 0x0B, 0x0C, 0x0C, 0x0D, 0x0D, 0x0E, 0x0E, 0x0F, 0x0F, - 0x10, 0x10, 0x11, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14, 0x14, 0x15, 0x15, 0x16, 0x16, 0x17, 0x17, - 0x18, 0x18, 0x19, 0x19, 0x1A, 0x1A, 0x1B, 0x1B, 0x1C, 0x1C, 0x1D, 0x1D, 0x1E, 0x1E, 0x1F, 0x1F, - 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07, - 0x08, 0x08, 0x09, 0x09, 0x0A, 0x0A, 0x0B, 0x0B, 0x0C, 0x0C, 0x0D, 0x0D, 0x0E, 0x0E, 0x0F, 0x0F, - 0x10, 0x10, 0x11, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14, 0x14, 0x15, 0x15, 0x16, 0x16, 0x17, 0x17, - 0x18, 0x18, 0x19, 0x19, 0x1A, 0x1A, 0x1B, 0x1B, 0x1C, 0x1C, 0x1D, 0x1D, 0x1E, 0x1E, 0x1F, 0x1F, - 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07, - 0x08, 0x08, 0x09, 0x09, 0x0A, 0x0A, 0x0B, 0x0B, 0x0C, 0x0C, 0x0D, 0x0D, 0x0E, 0x0E, 0x0F, 0x0F, - 0x10, 0x10, 0x11, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14, 0x14, 0x15, 0x15, 0x16, 0x16, 0x17, 0x17, - 0x18, 0x18, 0x19, 0x19, 0x1A, 0x1A, 0x1B, 0x1B, 0x1C, 0x1C, 0x1D, 0x1D, 0x1E, 0x1E, 0x1F, 0x1F, - 0x00, 0x00, 0x01, 0x01, 0x02, 0x02, 0x03, 0x03, 0x04, 0x04, 0x05, 0x05, 0x06, 0x06, 0x07, 0x07, - 0x08, 0x08, 0x09, 0x09, 0x0A, 0x0A, 0x0B, 0x0B, 0x0C, 0x0C, 0x0D, 0x0D, 0x0E, 0x0E, 0x0F, 0x0F, - 0x10, 0x10, 0x11, 0x11, 0x12, 0x12, 0x13, 0x13, 0x14, 0x14, 0x15, 0x15, 0x16, 0x16, 0x17, 0x17, - 0x18, 0x18, 0x19, 0x19, 0x1A, 0x1A, 0x1B, 0x1B, 0x1C, 0x1C, 0x1D, 0x1D, 0x1E, 0x1E, 0x1F, 0x1F -}; - - -static void _multiply_M(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) -{ - y[7] = x[6]; - y[6] = x[5]; - y[5] = x[5]<<3 ^ x[4]; - y[4] = x[4]>>3 ^ x[3]; - y[3] = x[2]; - y[2] = x[6]<<2 ^ x[1]; - y[1] = x[0]; - y[0] = x[7]; -} - -static void _multiply_M2(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) -{ - y[7] = x[5]; - y[6] = x[5]<<3 ^ x[4]; - y[5] = x[5]<<6 ^ M_1[x[4]] ^ x[3]; - y[4] = x[4]>>6 ^ x[3]>>3 ^ x[2]; - y[3] = x[6]<<2 ^ x[1]; - y[2] = x[5]<<2 ^ x[0]; - y[1] = x[7]; - y[0] = x[6]; -} - -static void _multiply_M3(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) -{ - y[7] = x[5]<<3 ^ x[4]; - y[6] = x[5]<<6 ^ M_1[x[4]] ^ x[3]; - y[5] = M_2[x[4]] ^ M_1[x[3]] ^ x[2]; - y[4] = x[6]<<2 ^ x[3]>>6 ^ x[2]>>3 ^ x[1]; - y[3] = x[5]<<2 ^ x[0]; - y[2] = x[7] ^ x[5]<<5 ^ x[4]<<2; - y[1] = x[6]; - y[0] = x[5]; -} - -static void _multiply_MR(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) -{ - y[0] = x[1]; - y[1] = x[2]; - y[2] = x[3] ^ x[4]>>3; - y[3] = x[4]; - y[4] = x[5] ^ x[6]<<3; - y[5] = x[3]<<2 ^ x[6]; - y[6] = x[7]; - y[7] = x[0]; -} - -static void _multiply_MR2(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) -{ - y[0] = x[2]; - y[1] = x[3] ^ x[4]>>3; - y[2] = x[4] ^ x[5]>>3 ^ M_3[x[6]]; - y[3] = x[5] ^ x[6]<<3; - y[4] = x[3]<<2 ^ x[6] ^ x[7]<<3; - y[5] = x[4]<<2 ^ x[7]; - y[6] = x[0]; - y[7] = x[1]; -} - -static void _multiply_MR3(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]) -{ - y[0] = x[3] ^ x[4]>>3; - y[1] = x[4] ^ x[5]>>3 ^ M_3[x[6]]; - y[2] = M_4[x[3]] ^ x[5] ^ M_1[x[6]] ^ M_3[x[7]]; - y[3] = x[3]<<2 ^ x[6] ^ x[7]<<3; - y[4] = x[0]<<3 ^ x[4]<<2 ^ x[7]; - y[5] = x[0] ^ x[5]<<2 ^ x[6]<<5; - y[6] = x[1]; - y[7] = x[2]; -} - -typedef void (*matrix_multiplication)(const uint8_t x[LANE_BYTES], uint8_t y[LANE_BYTES]); - -static const matrix_multiplication ALPHAS[6] = { - _multiply_M, - _multiply_M2, - _multiply_M3, - _multiply_MR, - _multiply_MR2, - _multiply_MR3 -}; - - -void tweakey_state_update(uint8_t TK[TWEAKEY_BYTES]) -{ - /* Skip lane 0, as it is multiplied by the identity matrix. */ - - for (size_t j=1; j<LANES_NB; j++) - { - uint8_t *TKj = TK + j*LANE_BYTES; - - uint8_t TKj_old[LANE_BYTES]; - memcpy(TKj_old, TKj, LANE_BYTES); - - ALPHAS[j-1](TKj_old, TKj); - } -} diff --git a/src/add_tweakeysequences/tweakey.h b/src/add_tweakeysequences/tweakey.h deleted file mode 120000 index 7f2415f..0000000 --- a/src/add_tweakeysequences/tweakey.h +++ /dev/null @@ -1 +0,0 @@ -../ref/tweakey.h
\ No newline at end of file |