diff options
Diffstat (limited to 'security/nss/lib/freebl/aes-x86.c')
| -rw-r--r-- | security/nss/lib/freebl/aes-x86.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/security/nss/lib/freebl/aes-x86.c b/security/nss/lib/freebl/aes-x86.c deleted file mode 100644 index 830b4782f..000000000 --- a/security/nss/lib/freebl/aes-x86.c +++ /dev/null @@ -1,157 +0,0 @@ -/* 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); -} |