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Update NSS to 3.35-RTM

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wolfbeast 2018-02-23 11:04:39 +01:00 • committed by Roy Tam
commit 66dd670b60
388 changed files with 39075 additions and 20752 deletions
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157
security/nss/lib/freebl/aes-x86.c Normal file
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifdef FREEBL_NO_DEPEND
#include "stubs.h"
#endif
#include "rijndael.h"
#include "secerr.h"
#include <wmmintrin.h> /* aes-ni */
#define EXPAND_KEY128(k, rcon, res) \
tmp_key = _mm_aeskeygenassist_si128(k, rcon); \
tmp_key = _mm_shuffle_epi32(tmp_key, 0xFF); \
tmp = _mm_xor_si128(k, _mm_slli_si128(k, 4)); \
tmp = _mm_xor_si128(tmp, _mm_slli_si128(tmp, 4)); \
tmp = _mm_xor_si128(tmp, _mm_slli_si128(tmp, 4)); \
res = _mm_xor_si128(tmp, tmp_key)
static void
native_key_expansion128(AESContext *cx, const unsigned char *key)
{
__m128i *keySchedule = cx->keySchedule;
pre_align __m128i tmp_key post_align;
pre_align __m128i tmp post_align;
keySchedule[0] = _mm_loadu_si128((__m128i *)key);
EXPAND_KEY128(keySchedule[0], 0x01, keySchedule[1]);
EXPAND_KEY128(keySchedule[1], 0x02, keySchedule[2]);
EXPAND_KEY128(keySchedule[2], 0x04, keySchedule[3]);
EXPAND_KEY128(keySchedule[3], 0x08, keySchedule[4]);
EXPAND_KEY128(keySchedule[4], 0x10, keySchedule[5]);
EXPAND_KEY128(keySchedule[5], 0x20, keySchedule[6]);
EXPAND_KEY128(keySchedule[6], 0x40, keySchedule[7]);
EXPAND_KEY128(keySchedule[7], 0x80, keySchedule[8]);
EXPAND_KEY128(keySchedule[8], 0x1B, keySchedule[9]);
EXPAND_KEY128(keySchedule[9], 0x36, keySchedule[10]);
}
#define EXPAND_KEY192_PART1(res, k0, kt, rcon) \
tmp2 = _mm_slli_si128(k0, 4); \
tmp1 = _mm_xor_si128(k0, tmp2); \
tmp2 = _mm_slli_si128(tmp2, 4); \
tmp1 = _mm_xor_si128(_mm_xor_si128(tmp1, tmp2), _mm_slli_si128(tmp2, 4)); \
tmp2 = _mm_aeskeygenassist_si128(kt, rcon); \
res = _mm_xor_si128(tmp1, _mm_shuffle_epi32(tmp2, 0x55))
#define EXPAND_KEY192_PART2(res, k1, k2) \
tmp2 = _mm_xor_si128(k1, _mm_slli_si128(k1, 4)); \
res = _mm_xor_si128(tmp2, _mm_shuffle_epi32(k2, 0xFF))
#define EXPAND_KEY192(k0, res1, res2, res3, carry, rcon1, rcon2) \
EXPAND_KEY192_PART1(tmp3, k0, res1, rcon1); \
EXPAND_KEY192_PART2(carry, res1, tmp3); \
res1 = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(res1), \
_mm_castsi128_pd(tmp3), 0)); \
res2 = _mm_castpd_si128(_mm_shuffle_pd(_mm_castsi128_pd(tmp3), \
_mm_castsi128_pd(carry), 1)); \
EXPAND_KEY192_PART1(res3, tmp3, carry, rcon2)
static void
native_key_expansion192(AESContext *cx, const unsigned char *key)
{
__m128i *keySchedule = cx->keySchedule;
pre_align __m128i tmp1 post_align;
pre_align __m128i tmp2 post_align;
pre_align __m128i tmp3 post_align;
pre_align __m128i carry post_align;
keySchedule[0] = _mm_loadu_si128((__m128i *)key);
keySchedule[1] = _mm_loadu_si128((__m128i *)(key + 16));
EXPAND_KEY192(keySchedule[0], keySchedule[1], keySchedule[2],
keySchedule[3], carry, 0x1, 0x2);
EXPAND_KEY192_PART2(keySchedule[4], carry, keySchedule[3]);
EXPAND_KEY192(keySchedule[3], keySchedule[4], keySchedule[5],
keySchedule[6], carry, 0x4, 0x8);
EXPAND_KEY192_PART2(keySchedule[7], carry, keySchedule[6]);
EXPAND_KEY192(keySchedule[6], keySchedule[7], keySchedule[8],
keySchedule[9], carry, 0x10, 0x20);
EXPAND_KEY192_PART2(keySchedule[10], carry, keySchedule[9]);
EXPAND_KEY192(keySchedule[9], keySchedule[10], keySchedule[11],
keySchedule[12], carry, 0x40, 0x80);
}
#define EXPAND_KEY256_PART(res, rconx, k1x, k2x, X) \
tmp_key = _mm_shuffle_epi32(_mm_aeskeygenassist_si128(k2x, rconx), X); \
tmp2 = _mm_slli_si128(k1x, 4); \
tmp1 = _mm_xor_si128(k1x, tmp2); \
tmp2 = _mm_slli_si128(tmp2, 4); \
tmp1 = _mm_xor_si128(_mm_xor_si128(tmp1, tmp2), _mm_slli_si128(tmp2, 4)); \
res = _mm_xor_si128(tmp1, tmp_key);
#define EXPAND_KEY256(res1, res2, k1, k2, rcon) \
EXPAND_KEY256_PART(res1, rcon, k1, k2, 0xFF); \
EXPAND_KEY256_PART(res2, 0x00, k2, res1, 0xAA)
static void
native_key_expansion256(AESContext *cx, const unsigned char *key)
{
__m128i *keySchedule = cx->keySchedule;
pre_align __m128i tmp_key post_align;
pre_align __m128i tmp1 post_align;
pre_align __m128i tmp2 post_align;
keySchedule[0] = _mm_loadu_si128((__m128i *)key);
keySchedule[1] = _mm_loadu_si128((__m128i *)(key + 16));
EXPAND_KEY256(keySchedule[2], keySchedule[3], keySchedule[0],
keySchedule[1], 0x01);
EXPAND_KEY256(keySchedule[4], keySchedule[5], keySchedule[2],
keySchedule[3], 0x02);
EXPAND_KEY256(keySchedule[6], keySchedule[7], keySchedule[4],
keySchedule[5], 0x04);
EXPAND_KEY256(keySchedule[8], keySchedule[9], keySchedule[6],
keySchedule[7], 0x08);
EXPAND_KEY256(keySchedule[10], keySchedule[11], keySchedule[8],
keySchedule[9], 0x10);
EXPAND_KEY256(keySchedule[12], keySchedule[13], keySchedule[10],
keySchedule[11], 0x20);
EXPAND_KEY256_PART(keySchedule[14], 0x40, keySchedule[12],
keySchedule[13], 0xFF);
}
/*
* AES key expansion using aes-ni instructions.
*/
void
rijndael_native_key_expansion(AESContext *cx, const unsigned char *key,
unsigned int Nk)
{
switch (Nk) {
case 4:
native_key_expansion128(cx, key);
return;
case 6:
native_key_expansion192(cx, key);
return;
case 8:
native_key_expansion256(cx, key);
return;
default:
/* This shouldn't happen (checked by the caller). */
return;
}
}
void
rijndael_native_encryptBlock(AESContext *cx,
unsigned char *output,
const unsigned char *input)
{
int i;
pre_align __m128i m post_align = _mm_loadu_si128((__m128i *)input);
m = _mm_xor_si128(m, cx->keySchedule[0]);
for (i = 1; i < cx->Nr; ++i) {
m = _mm_aesenc_si128(m, cx->keySchedule[i]);
}
m = _mm_aesenclast_si128(m, cx->keySchedule[cx->Nr]);
_mm_storeu_si128((__m128i *)output, m);
}