Changement de l'implémentation de référence

1 files changed, 0 insertions, 163 deletions

diff --git a/src/add_developedtweakey/tweakey.c b/src/add_developedtweakey/tweakey.c
deleted file mode 100644
index 0588c1b..0000000
--- a/src/add_developedtweakey/tweakey.c
+++ /dev/null
@@ -1,163 +0,0 @@
-#include <stdint.h>
-#include <string.h>
-
-#include "parameters.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 uint8_t _M1(uint8_t x)
-{
-    return x<<3 ^ x>>3;
-}
-
-static uint8_t _M2(uint8_t x)
-{
-    return x<<6 ^ (x & 0xf8) ^ x>>6;
-}
-
-static uint8_t _M3(uint8_t x)
-{
-    return (uint8_t)(x<<3) >> 3;
-}
-
-static uint8_t _M4(uint8_t x)
-{
-    return (uint8_t)(x<<2) >> 3;
-}
-
-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 ^ _M1(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   ^ _M1(X[4]) ^ X[3];
-    Y[5] = _M2(X[4]) ^ _M1(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 ^ _M3(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 ^ _M3(X[6]);
-    Y[2] = _M4(X[3]) ^ X[5]    ^ _M1(X[6]) ^ _M3(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);
-    }
-}