diff options
Diffstat (limited to 'third_party/boringssl/common')
-rw-r--r-- | third_party/boringssl/common/aes-gcm.c | 883 | ||||
-rw-r--r-- | third_party/boringssl/common/aes.c | 806 | ||||
-rw-r--r-- | third_party/boringssl/common/curve25519-generic.c | 821 | ||||
-rw-r--r-- | third_party/boringssl/common/curve25519.c | 65 |
4 files changed, 0 insertions, 2575 deletions
diff --git a/third_party/boringssl/common/aes-gcm.c b/third_party/boringssl/common/aes-gcm.c deleted file mode 100644 index edb98b88b3..0000000000 --- a/third_party/boringssl/common/aes-gcm.c +++ /dev/null @@ -1,883 +0,0 @@ -/* ==================================================================== - * Copyright (c) 2008 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== */ - -#include "aes-gcm.h" -#include "common.h" -#include "endian.h" -#include "util.h" - -#define STRICT_ALIGNMENT 1 - -#define OPENSSL_memcpy memcpy -#define OPENSSL_memset memset -#define CRYPTO_memcmp safe_memcmp - -#ifdef CORE_CORTEX_M -#define GHASH_ASM -#define OPENSSL_ARM -#define __ARM_ARCH__ 7 -#endif - -static inline uint32_t CRYPTO_bswap4(uint32_t x) { - return __builtin_bswap32(x); -} - -static inline uint64_t CRYPTO_bswap8(uint64_t x) { - return __builtin_bswap64(x); -} - -static inline size_t load_word_le(const void *in) { - size_t v; - OPENSSL_memcpy(&v, in, sizeof(v)); - return v; -} - -static inline void store_word_le(void *out, size_t v) { - OPENSSL_memcpy(out, &v, sizeof(v)); -} - -#define PACK(s) ((size_t)(s) << (sizeof(size_t) * 8 - 16)) -#define REDUCE1BIT(V) \ - do { \ - if (sizeof(size_t) == 8) { \ - uint64_t T = UINT64_C(0xe100000000000000) & (0 - ((V).lo & 1)); \ - (V).lo = ((V).hi << 63) | ((V).lo >> 1); \ - (V).hi = ((V).hi >> 1) ^ T; \ - } else { \ - uint32_t T = 0xe1000000U & (0 - (uint32_t)((V).lo & 1)); \ - (V).lo = ((V).hi << 63) | ((V).lo >> 1); \ - (V).hi = ((V).hi >> 1) ^ ((uint64_t)T << 32); \ - } \ - } while (0) - -static void gcm_init_4bit(u128 Htable[16], uint64_t H[2]) { - u128 V; - - Htable[0].hi = 0; - Htable[0].lo = 0; - V.hi = H[0]; - V.lo = H[1]; - - Htable[8] = V; - REDUCE1BIT(V); - Htable[4] = V; - REDUCE1BIT(V); - Htable[2] = V; - REDUCE1BIT(V); - Htable[1] = V; - Htable[3].hi = V.hi ^ Htable[2].hi, Htable[3].lo = V.lo ^ Htable[2].lo; - V = Htable[4]; - Htable[5].hi = V.hi ^ Htable[1].hi, Htable[5].lo = V.lo ^ Htable[1].lo; - Htable[6].hi = V.hi ^ Htable[2].hi, Htable[6].lo = V.lo ^ Htable[2].lo; - Htable[7].hi = V.hi ^ Htable[3].hi, Htable[7].lo = V.lo ^ Htable[3].lo; - V = Htable[8]; - Htable[9].hi = V.hi ^ Htable[1].hi, Htable[9].lo = V.lo ^ Htable[1].lo; - Htable[10].hi = V.hi ^ Htable[2].hi, Htable[10].lo = V.lo ^ Htable[2].lo; - Htable[11].hi = V.hi ^ Htable[3].hi, Htable[11].lo = V.lo ^ Htable[3].lo; - Htable[12].hi = V.hi ^ Htable[4].hi, Htable[12].lo = V.lo ^ Htable[4].lo; - Htable[13].hi = V.hi ^ Htable[5].hi, Htable[13].lo = V.lo ^ Htable[5].lo; - Htable[14].hi = V.hi ^ Htable[6].hi, Htable[14].lo = V.lo ^ Htable[6].lo; - Htable[15].hi = V.hi ^ Htable[7].hi, Htable[15].lo = V.lo ^ Htable[7].lo; - -#if defined(GHASH_ASM) && defined(OPENSSL_ARM) - for (int j = 0; j < 16; ++j) { - V = Htable[j]; - Htable[j].hi = V.lo; - Htable[j].lo = V.hi; - } -#endif -} - -#if !defined(GHASH_ASM) || defined(OPENSSL_AARCH64) || defined(OPENSSL_PPC64LE) -static const size_t rem_4bit[16] = { - PACK(0x0000), PACK(0x1C20), PACK(0x3840), PACK(0x2460), - PACK(0x7080), PACK(0x6CA0), PACK(0x48C0), PACK(0x54E0), - PACK(0xE100), PACK(0xFD20), PACK(0xD940), PACK(0xC560), - PACK(0x9180), PACK(0x8DA0), PACK(0xA9C0), PACK(0xB5E0)}; - -static void gcm_gmult_4bit(uint64_t Xi[2], const u128 Htable[16]) { - u128 Z; - int cnt = 15; - size_t rem, nlo, nhi; - - nlo = ((const uint8_t *)Xi)[15]; - nhi = nlo >> 4; - nlo &= 0xf; - - Z.hi = Htable[nlo].hi; - Z.lo = Htable[nlo].lo; - - while (1) { - rem = (size_t)Z.lo & 0xf; - Z.lo = (Z.hi << 60) | (Z.lo >> 4); - Z.hi = (Z.hi >> 4); - if (sizeof(size_t) == 8) { - Z.hi ^= rem_4bit[rem]; - } else { - Z.hi ^= (uint64_t)rem_4bit[rem] << 32; - } - - Z.hi ^= Htable[nhi].hi; - Z.lo ^= Htable[nhi].lo; - - if (--cnt < 0) { - break; - } - - nlo = ((const uint8_t *)Xi)[cnt]; - nhi = nlo >> 4; - nlo &= 0xf; - - rem = (size_t)Z.lo & 0xf; - Z.lo = (Z.hi << 60) | (Z.lo >> 4); - Z.hi = (Z.hi >> 4); - if (sizeof(size_t) == 8) { - Z.hi ^= rem_4bit[rem]; - } else { - Z.hi ^= (uint64_t)rem_4bit[rem] << 32; - } - - Z.hi ^= Htable[nlo].hi; - Z.lo ^= Htable[nlo].lo; - } - - Xi[0] = CRYPTO_bswap8(Z.hi); - Xi[1] = CRYPTO_bswap8(Z.lo); -} - -// Streamed gcm_mult_4bit, see CRYPTO_gcm128_[en|de]crypt for -// details... Compiler-generated code doesn't seem to give any -// performance improvement, at least not on x86[_64]. It's here -// mostly as reference and a placeholder for possible future -// non-trivial optimization[s]... -static void gcm_ghash_4bit(uint64_t Xi[2], const u128 Htable[16], - const uint8_t *inp, size_t len) { - u128 Z; - int cnt; - size_t rem, nlo, nhi; - - do { - cnt = 15; - nlo = ((const uint8_t *)Xi)[15]; - nlo ^= inp[15]; - nhi = nlo >> 4; - nlo &= 0xf; - - Z.hi = Htable[nlo].hi; - Z.lo = Htable[nlo].lo; - - while (1) { - rem = (size_t)Z.lo & 0xf; - Z.lo = (Z.hi << 60) | (Z.lo >> 4); - Z.hi = (Z.hi >> 4); - if (sizeof(size_t) == 8) { - Z.hi ^= rem_4bit[rem]; - } else { - Z.hi ^= (uint64_t)rem_4bit[rem] << 32; - } - - Z.hi ^= Htable[nhi].hi; - Z.lo ^= Htable[nhi].lo; - - if (--cnt < 0) { - break; - } - - nlo = ((const uint8_t *)Xi)[cnt]; - nlo ^= inp[cnt]; - nhi = nlo >> 4; - nlo &= 0xf; - - rem = (size_t)Z.lo & 0xf; - Z.lo = (Z.hi << 60) | (Z.lo >> 4); - Z.hi = (Z.hi >> 4); - if (sizeof(size_t) == 8) { - Z.hi ^= rem_4bit[rem]; - } else { - Z.hi ^= (uint64_t)rem_4bit[rem] << 32; - } - - Z.hi ^= Htable[nlo].hi; - Z.lo ^= Htable[nlo].lo; - } - - Xi[0] = CRYPTO_bswap8(Z.hi); - Xi[1] = CRYPTO_bswap8(Z.lo); - } while (inp += 16, len -= 16); -} -#else // GHASH_ASM -void gcm_gmult_4bit(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_4bit(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len); -#endif - -#define GCM_MUL(ctx, Xi) gcm_gmult_4bit((ctx)->Xi.u, (ctx)->Htable) -#if defined(GHASH_ASM) -#define GHASH(ctx, in, len) gcm_ghash_4bit((ctx)->Xi.u, (ctx)->Htable, in, len) -// GHASH_CHUNK is "stride parameter" missioned to mitigate cache -// trashing effect. In other words idea is to hash data while it's -// still in L1 cache after encryption pass... -#define GHASH_CHUNK (3 * 1024) -#endif - - -#if defined(GHASH_ASM) - -#if defined(OPENSSL_X86) || defined(OPENSSL_X86_64) -#define GCM_FUNCREF_4BIT -void gcm_init_clmul(u128 Htable[16], const uint64_t Xi[2]); -void gcm_gmult_clmul(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_clmul(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len); - -#if defined(OPENSSL_X86_64) -#define GHASH_ASM_X86_64 -void gcm_init_avx(u128 Htable[16], const uint64_t Xi[2]); -void gcm_gmult_avx(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_avx(uint64_t Xi[2], const u128 Htable[16], const uint8_t *in, - size_t len); -#define AESNI_GCM -size_t aesni_gcm_encrypt(const uint8_t *in, uint8_t *out, size_t len, - const void *key, uint8_t ivec[16], uint64_t *Xi); -size_t aesni_gcm_decrypt(const uint8_t *in, uint8_t *out, size_t len, - const void *key, uint8_t ivec[16], uint64_t *Xi); -#endif - -#if defined(OPENSSL_X86) -#define GHASH_ASM_X86 -void gcm_gmult_4bit_mmx(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_4bit_mmx(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len); -#endif - -#elif defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64) -#if __ARM_ARCH__ >= 7 -#define GHASH_ASM_ARM -#define GCM_FUNCREF_4BIT - -#if defined(OPENSSL_ARM_PMULL) -static int pmull_capable(void) { - return CRYPTO_is_ARMv8_PMULL_capable(); -} - -void gcm_init_v8(u128 Htable[16], const uint64_t Xi[2]); -void gcm_gmult_v8(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_v8(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len); -#else -static int pmull_capable(void) { - return 0; -} -static void gcm_init_v8(u128 Htable[16], const uint64_t Xi[2]) { - -} -static void gcm_gmult_v8(uint64_t Xi[2], const u128 Htable[16]) { - -} -static void gcm_ghash_v8(uint64_t Xi[2], const u128 Htable[16], - const uint8_t *inp, size_t len) { - -} -#endif - -#if defined(OPENSSL_ARM_NEON) -// 32-bit ARM also has support for doing GCM with NEON instructions. -static int neon_capable(void) { - return CRYPTO_is_NEON_capable(); -} - -void gcm_init_neon(u128 Htable[16], const uint64_t Xi[2]); -void gcm_gmult_neon(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_neon(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len); -#else -// AArch64 only has the ARMv8 versions of functions. -static int neon_capable(void) { - return 0; -} -static void gcm_init_neon(u128 Htable[16], const uint64_t Xi[2]) { - -} -static void gcm_gmult_neon(uint64_t Xi[2], const u128 Htable[16]) { - -} -static void gcm_ghash_neon(uint64_t Xi[2], const u128 Htable[16], - const uint8_t *inp, size_t len) { - -} -#endif - -#endif -#elif defined(OPENSSL_PPC64LE) -#define GHASH_ASM_PPC64LE -#define GCM_FUNCREF_4BIT -void gcm_init_p8(u128 Htable[16], const uint64_t Xi[2]); -void gcm_gmult_p8(uint64_t Xi[2], const u128 Htable[16]); -void gcm_ghash_p8(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len); -#endif -#endif - -#ifdef GCM_FUNCREF_4BIT -#undef GCM_MUL -#define GCM_MUL(ctx, Xi) (*gcm_gmult_p)((ctx)->Xi.u, (ctx)->Htable) -#ifdef GHASH -#undef GHASH -#define GHASH(ctx, in, len) (*gcm_ghash_p)((ctx)->Xi.u, (ctx)->Htable, in, len) -#endif -#endif - -#ifdef GHASH -// kSizeTWithoutLower4Bits is a mask that can be used to zero the lower four -// bits of a |size_t|. -static const size_t kSizeTWithoutLower4Bits = (size_t) -16; -#endif - -static void CRYPTO_ghash_init(gmult_func *out_mult, ghash_func *out_hash, - u128 *out_key, u128 out_table[16], - const uint8_t *gcm_key) { - - union { - uint64_t u[2]; - uint8_t c[16]; - } H; - - OPENSSL_memcpy(H.c, gcm_key, 16); - - // H is stored in host byte order - H.u[0] = CRYPTO_bswap8(H.u[0]); - H.u[1] = CRYPTO_bswap8(H.u[1]); - - OPENSSL_memcpy(out_key, H.c, 16); - -#if defined(GHASH_ASM_X86_64) - if (crypto_gcm_clmul_enabled()) { - if (((OPENSSL_ia32cap_get()[1] >> 22) & 0x41) == 0x41) { // AVX+MOVBE - gcm_init_avx(out_table, H.u); - *out_mult = gcm_gmult_avx; - *out_hash = gcm_ghash_avx; - *out_is_avx = 1; - return; - } - gcm_init_clmul(out_table, H.u); - *out_mult = gcm_gmult_clmul; - *out_hash = gcm_ghash_clmul; - return; - } -#elif defined(GHASH_ASM_X86) - if (crypto_gcm_clmul_enabled()) { - gcm_init_clmul(out_table, H.u); - *out_mult = gcm_gmult_clmul; - *out_hash = gcm_ghash_clmul; - return; - } -#elif defined(GHASH_ASM_ARM) - if (pmull_capable()) { - gcm_init_v8(out_table, H.u); - *out_mult = gcm_gmult_v8; - *out_hash = gcm_ghash_v8; - return; - } - - if (neon_capable()) { - gcm_init_neon(out_table, H.u); - *out_mult = gcm_gmult_neon; - *out_hash = gcm_ghash_neon; - return; - } -#elif defined(GHASH_ASM_PPC64LE) - if (CRYPTO_is_PPC64LE_vcrypto_capable()) { - gcm_init_p8(out_table, H.u); - *out_mult = gcm_gmult_p8; - *out_hash = gcm_ghash_p8; - return; - } -#endif - - gcm_init_4bit(out_table, H.u); -#if defined(GHASH_ASM_X86) - *out_mult = gcm_gmult_4bit_mmx; - *out_hash = gcm_ghash_4bit_mmx; -#else - *out_mult = gcm_gmult_4bit; - *out_hash = gcm_ghash_4bit; -#endif -} - -void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, const void *aes_key, - block128_f block, int block_is_hwaes) { - OPENSSL_memset(ctx, 0, sizeof(*ctx)); - ctx->block = block; - - uint8_t gcm_key[16]; - OPENSSL_memset(gcm_key, 0, sizeof(gcm_key)); - (*block)(gcm_key, gcm_key, aes_key); - - CRYPTO_ghash_init(&ctx->gmult, &ctx->ghash, &ctx->H, ctx->Htable, - gcm_key); -} - -void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const void *key, - const uint8_t *iv, size_t len) { - unsigned int ctr; -#ifdef GCM_FUNCREF_4BIT - void (*gcm_gmult_p)(uint64_t Xi[2], const u128 Htable[16]) = ctx->gmult; -#endif - - ctx->Yi.u[0] = 0; - ctx->Yi.u[1] = 0; - ctx->Xi.u[0] = 0; - ctx->Xi.u[1] = 0; - ctx->len.u[0] = 0; // AAD length - ctx->len.u[1] = 0; // message length - ctx->ares = 0; - ctx->mres = 0; - - if (len == 12) { - OPENSSL_memcpy(ctx->Yi.c, iv, 12); - ctx->Yi.c[15] = 1; - ctr = 1; - } else { - uint64_t len0 = len; - - while (len >= 16) { - for (size_t i = 0; i < 16; ++i) { - ctx->Yi.c[i] ^= iv[i]; - } - GCM_MUL(ctx, Yi); - iv += 16; - len -= 16; - } - if (len) { - for (size_t i = 0; i < len; ++i) { - ctx->Yi.c[i] ^= iv[i]; - } - GCM_MUL(ctx, Yi); - } - len0 <<= 3; - ctx->Yi.u[1] ^= CRYPTO_bswap8(len0); - - GCM_MUL(ctx, Yi); - ctr = CRYPTO_bswap4(ctx->Yi.d[3]); - } - - (*ctx->block)(ctx->Yi.c, ctx->EK0.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); -} - -int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const uint8_t *aad, size_t len) { - unsigned int n; - uint64_t alen = ctx->len.u[0]; -#ifdef GCM_FUNCREF_4BIT - void (*gcm_gmult_p)(uint64_t Xi[2], const u128 Htable[16]) = ctx->gmult; -#ifdef GHASH - void (*gcm_ghash_p)(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len) = ctx->ghash; -#endif -#endif - - if (ctx->len.u[1]) { - return 0; - } - - alen += len; - if (alen > (UINT64_C(1) << 61) || (sizeof(len) == 8 && alen < len)) { - return 0; - } - ctx->len.u[0] = alen; - - n = ctx->ares; - if (n) { - while (n && len) { - ctx->Xi.c[n] ^= *(aad++); - --len; - n = (n + 1) % 16; - } - if (n == 0) { - GCM_MUL(ctx, Xi); - } else { - ctx->ares = n; - return 1; - } - } - - // Process a whole number of blocks. -#ifdef GHASH - size_t len_blocks = len & kSizeTWithoutLower4Bits; - if (len_blocks != 0) { - GHASH(ctx, aad, len_blocks); - aad += len_blocks; - len -= len_blocks; - } -#else - while (len >= 16) { - for (size_t i = 0; i < 16; ++i) { - ctx->Xi.c[i] ^= aad[i]; - } - GCM_MUL(ctx, Xi); - aad += 16; - len -= 16; - } -#endif - - // Process the remainder. - if (len != 0) { - n = (unsigned int)len; - for (size_t i = 0; i < len; ++i) { - ctx->Xi.c[i] ^= aad[i]; - } - } - - ctx->ares = n; - return 1; -} - -int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, const void *key, - const uint8_t *in, uint8_t *out, size_t len) { - unsigned int n, ctr; - uint64_t mlen = ctx->len.u[1]; - block128_f block = ctx->block; -#ifdef GCM_FUNCREF_4BIT - void (*gcm_gmult_p)(uint64_t Xi[2], const u128 Htable[16]) = ctx->gmult; -#ifdef GHASH - void (*gcm_ghash_p)(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len) = ctx->ghash; -#endif -#endif - - mlen += len; - if (mlen > ((UINT64_C(1) << 36) - 32) || - (sizeof(len) == 8 && mlen < len)) { - return 0; - } - ctx->len.u[1] = mlen; - - if (ctx->ares) { - // First call to encrypt finalizes GHASH(AAD) - GCM_MUL(ctx, Xi); - ctx->ares = 0; - } - - ctr = CRYPTO_bswap4(ctx->Yi.d[3]); - - n = ctx->mres; - if (n) { - while (n && len) { - ctx->Xi.c[n] ^= *(out++) = *(in++) ^ ctx->EKi.c[n]; - --len; - n = (n + 1) % 16; - } - if (n == 0) { - GCM_MUL(ctx, Xi); - } else { - ctx->mres = n; - return 1; - } - } - if (STRICT_ALIGNMENT && - ((uintptr_t)in | (uintptr_t)out) % sizeof(size_t) != 0) { - for (size_t i = 0; i < len; ++i) { - if (n == 0) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - } - ctx->Xi.c[n] ^= out[i] = in[i] ^ ctx->EKi.c[n]; - n = (n + 1) % 16; - if (n == 0) { - GCM_MUL(ctx, Xi); - } - } - - ctx->mres = n; - return 1; - } -#if defined(GHASH) && defined(GHASH_CHUNK) - while (len >= GHASH_CHUNK) { - size_t j = GHASH_CHUNK; - - while (j) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - for (size_t i = 0; i < 16; i += sizeof(size_t)) { - store_word_le(out + i, - load_word_le(in + i) ^ ctx->EKi.t[i / sizeof(size_t)]); - } - out += 16; - in += 16; - j -= 16; - } - GHASH(ctx, out - GHASH_CHUNK, GHASH_CHUNK); - len -= GHASH_CHUNK; - } - size_t len_blocks = len & kSizeTWithoutLower4Bits; - if (len_blocks != 0) { - while (len >= 16) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - for (size_t i = 0; i < 16; i += sizeof(size_t)) { - store_word_le(out + i, - load_word_le(in + i) ^ ctx->EKi.t[i / sizeof(size_t)]); - } - out += 16; - in += 16; - len -= 16; - } - GHASH(ctx, out - len_blocks, len_blocks); - } -#else - while (len >= 16) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - for (size_t i = 0; i < 16; i += sizeof(size_t)) { - size_t tmp = load_word_le(in + i) ^ ctx->EKi.t[i / sizeof(size_t)]; - store_word_le(out + i, tmp); - ctx->Xi.t[i / sizeof(size_t)] ^= tmp; - } - GCM_MUL(ctx, Xi); - out += 16; - in += 16; - len -= 16; - } -#endif - if (len) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - while (len--) { - ctx->Xi.c[n] ^= out[n] = in[n] ^ ctx->EKi.c[n]; - ++n; - } - } - - ctx->mres = n; - return 1; -} - -int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, const void *key, - const unsigned char *in, unsigned char *out, - size_t len) { - unsigned int n, ctr; - uint64_t mlen = ctx->len.u[1]; - block128_f block = ctx->block; -#ifdef GCM_FUNCREF_4BIT - void (*gcm_gmult_p)(uint64_t Xi[2], const u128 Htable[16]) = ctx->gmult; -#ifdef GHASH - void (*gcm_ghash_p)(uint64_t Xi[2], const u128 Htable[16], const uint8_t *inp, - size_t len) = ctx->ghash; -#endif -#endif - - mlen += len; - if (mlen > ((UINT64_C(1) << 36) - 32) || - (sizeof(len) == 8 && mlen < len)) { - return 0; - } - ctx->len.u[1] = mlen; - - if (ctx->ares) { - // First call to decrypt finalizes GHASH(AAD) - GCM_MUL(ctx, Xi); - ctx->ares = 0; - } - - ctr = CRYPTO_bswap4(ctx->Yi.d[3]); - - n = ctx->mres; - if (n) { - while (n && len) { - uint8_t c = *(in++); - *(out++) = c ^ ctx->EKi.c[n]; - ctx->Xi.c[n] ^= c; - --len; - n = (n + 1) % 16; - } - if (n == 0) { - GCM_MUL(ctx, Xi); - } else { - ctx->mres = n; - return 1; - } - } - if (STRICT_ALIGNMENT && - ((uintptr_t)in | (uintptr_t)out) % sizeof(size_t) != 0) { - for (size_t i = 0; i < len; ++i) { - uint8_t c; - if (n == 0) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - } - c = in[i]; - out[i] = c ^ ctx->EKi.c[n]; - ctx->Xi.c[n] ^= c; - n = (n + 1) % 16; - if (n == 0) { - GCM_MUL(ctx, Xi); - } - } - - ctx->mres = n; - return 1; - } -#if defined(GHASH) && defined(GHASH_CHUNK) - while (len >= GHASH_CHUNK) { - size_t j = GHASH_CHUNK; - - GHASH(ctx, in, GHASH_CHUNK); - while (j) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - for (size_t i = 0; i < 16; i += sizeof(size_t)) { - store_word_le(out + i, - load_word_le(in + i) ^ ctx->EKi.t[i / sizeof(size_t)]); - } - out += 16; - in += 16; - j -= 16; - } - len -= GHASH_CHUNK; - } - size_t len_blocks = len & kSizeTWithoutLower4Bits; - if (len_blocks != 0) { - GHASH(ctx, in, len_blocks); - while (len >= 16) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - for (size_t i = 0; i < 16; i += sizeof(size_t)) { - store_word_le(out + i, - load_word_le(in + i) ^ ctx->EKi.t[i / sizeof(size_t)]); - } - out += 16; - in += 16; - len -= 16; - } - } -#else - while (len >= 16) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - for (size_t i = 0; i < 16; i += sizeof(size_t)) { - size_t c = load_word_le(in + i); - store_word_le(out + i, c ^ ctx->EKi.t[i / sizeof(size_t)]); - ctx->Xi.t[i / sizeof(size_t)] ^= c; - } - GCM_MUL(ctx, Xi); - out += 16; - in += 16; - len -= 16; - } -#endif - if (len) { - (*block)(ctx->Yi.c, ctx->EKi.c, key); - ++ctr; - ctx->Yi.d[3] = CRYPTO_bswap4(ctr); - while (len--) { - uint8_t c = in[n]; - ctx->Xi.c[n] ^= c; - out[n] = c ^ ctx->EKi.c[n]; - ++n; - } - } - - ctx->mres = n; - return 1; -} - -int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const uint8_t *tag, size_t len) { - uint64_t alen = ctx->len.u[0] << 3; - uint64_t clen = ctx->len.u[1] << 3; -#ifdef GCM_FUNCREF_4BIT - void (*gcm_gmult_p)(uint64_t Xi[2], const u128 Htable[16]) = ctx->gmult; -#endif - - if (ctx->mres || ctx->ares) { - GCM_MUL(ctx, Xi); - } - - alen = CRYPTO_bswap8(alen); - clen = CRYPTO_bswap8(clen); - - ctx->Xi.u[0] ^= alen; - ctx->Xi.u[1] ^= clen; - GCM_MUL(ctx, Xi); - - ctx->Xi.u[0] ^= ctx->EK0.u[0]; - ctx->Xi.u[1] ^= ctx->EK0.u[1]; - - if (tag && len <= sizeof(ctx->Xi)) { - return CRYPTO_memcmp(ctx->Xi.c, tag, len) == 0; - } else { - return 0; - } -} - -void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len) { - CRYPTO_gcm128_finish(ctx, NULL, 0); - OPENSSL_memcpy(tag, ctx->Xi.c, - len <= sizeof(ctx->Xi.c) ? len : sizeof(ctx->Xi.c)); -} - -#if defined(OPENSSL_X86) || defined(OPENSSL_X86_64) -int crypto_gcm_clmul_enabled(void) { -#ifdef GHASH_ASM - const uint32_t *ia32cap = OPENSSL_ia32cap_get(); - return (ia32cap[0] & (1 << 24)) && // check FXSR bit - (ia32cap[1] & (1 << 1)); // check PCLMULQDQ bit -#else - return 0; -#endif -} -#endif diff --git a/third_party/boringssl/common/aes.c b/third_party/boringssl/common/aes.c deleted file mode 100644 index aa213eb907..0000000000 --- a/third_party/boringssl/common/aes.c +++ /dev/null @@ -1,806 +0,0 @@ -/* ==================================================================== - * Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== */ - -#include "aes.h" -#include "common.h" -#include "endian.h" - -static inline uint32_t GETU32(const void *in) { - return be32toh(*(uint32_t *)in); -} - -static inline void PUTU32(void *out, uint32_t v) { - *(uint32_t *)out = htobe32(v); -} - -// Te0[x] = S [x].[02, 01, 01, 03]; -// Te1[x] = S [x].[03, 02, 01, 01]; -// Te2[x] = S [x].[01, 03, 02, 01]; -// Te3[x] = S [x].[01, 01, 03, 02]; -// -// Td0[x] = Si[x].[0e, 09, 0d, 0b]; -// Td1[x] = Si[x].[0b, 0e, 09, 0d]; -// Td2[x] = Si[x].[0d, 0b, 0e, 09]; -// Td3[x] = Si[x].[09, 0d, 0b, 0e]; -// Td4[x] = Si[x].[01]; - -static const uint32_t Te0[256] = { - 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU, 0xfff2f20dU, - 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U, 0x60303050U, 0x02010103U, - 0xce6767a9U, 0x562b2b7dU, 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, - 0xec76769aU, 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U, - 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU, 0x41adadecU, - 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU, 0x239c9cbfU, 0x53a4a4f7U, - 0xe4727296U, 0x9bc0c05bU, 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, - 0x4c26266aU, 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU, - 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U, 0xe2717193U, - 0xabd8d873U, 0x62313153U, 0x2a15153fU, 0x0804040cU, 0x95c7c752U, - 0x46232365U, 0x9dc3c35eU, 0x30181828U, 0x379696a1U, 0x0a05050fU, - 0x2f9a9ab5U, 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU, - 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU, 0x1209091bU, - 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU, 0x361b1b2dU, 0xdc6e6eb2U, - 0xb45a5aeeU, 0x5ba0a0fbU, 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, - 0x7db3b3ceU, 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U, - 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU, 0x40202060U, - 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU, 0xd46a6abeU, 0x8dcbcb46U, - 0x67bebed9U, 0x7239394bU, 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, - 0x85cfcf4aU, 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U, - 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U, 0x8a4545cfU, - 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U, 0xa05050f0U, 0x783c3c44U, - 0x259f9fbaU, 0x4ba8a8e3U, 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, - 0x058f8f8aU, 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U, - 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U, 0x20101030U, - 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU, 0x81cdcd4cU, 0x180c0c14U, - 0x26131335U, 0xc3ecec2fU, 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, - 0x2e171739U, 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U, - 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U, 0xc06060a0U, - 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU, 0x44222266U, 0x542a2a7eU, - 0x3b9090abU, 0x0b888883U, 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, - 0x2814143cU, 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U, - 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU, 0x924949dbU, - 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U, 0x9fc2c25dU, 0xbdd3d36eU, - 0x43acacefU, 0xc46262a6U, 0x399191a8U, 0x319595a4U, 0xd3e4e437U, - 0xf279798bU, 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U, - 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U, 0xd86c6cb4U, - 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U, 0xca6565afU, 0xf47a7a8eU, - 0x47aeaee9U, 0x10080818U, 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, - 0x5c2e2e72U, 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U, - 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U, 0x964b4bddU, - 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U, 0xe0707090U, 0x7c3e3e42U, - 0x71b5b5c4U, 0xcc6666aaU, 0x904848d8U, 0x06030305U, 0xf7f6f601U, - 0x1c0e0e12U, 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U, - 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U, 0xd9e1e138U, - 0xebf8f813U, 0x2b9898b3U, 0x22111133U, 0xd26969bbU, 0xa9d9d970U, - 0x078e8e89U, 0x339494a7U, 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, - 0xc9e9e920U, 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU, - 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U, 0x65bfbfdaU, - 0xd7e6e631U, 0x844242c6U, 0xd06868b8U, 0x824141c3U, 0x299999b0U, - 0x5a2d2d77U, 0x1e0f0f11U, 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, - 0x2c16163aU, }; - -static const uint32_t Te1[256] = { - 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU, 0x0dfff2f2U, - 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U, 0x50603030U, 0x03020101U, - 0xa9ce6767U, 0x7d562b2bU, 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, - 0x9aec7676U, 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU, - 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U, 0xec41adadU, - 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU, 0xbf239c9cU, 0xf753a4a4U, - 0x96e47272U, 0x5b9bc0c0U, 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, - 0x6a4c2626U, 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU, - 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U, 0x93e27171U, - 0x73abd8d8U, 0x53623131U, 0x3f2a1515U, 0x0c080404U, 0x5295c7c7U, - 0x65462323U, 0x5e9dc3c3U, 0x28301818U, 0xa1379696U, 0x0f0a0505U, - 0xb52f9a9aU, 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U, - 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U, 0x1b120909U, - 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU, 0x2d361b1bU, 0xb2dc6e6eU, - 0xeeb45a5aU, 0xfb5ba0a0U, 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, - 0xce7db3b3U, 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U, - 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU, 0x60402020U, - 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU, 0xbed46a6aU, 0x468dcbcbU, - 0xd967bebeU, 0x4b723939U, 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, - 0x4a85cfcfU, 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU, - 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U, 0xcf8a4545U, - 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU, 0xf0a05050U, 0x44783c3cU, - 0xba259f9fU, 0xe34ba8a8U, 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, - 0x8a058f8fU, 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U, - 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U, 0x30201010U, - 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U, 0x4c81cdcdU, 0x14180c0cU, - 0x35261313U, 0x2fc3ececU, 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, - 0x392e1717U, 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU, - 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U, 0xa0c06060U, - 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU, 0x66442222U, 0x7e542a2aU, - 0xab3b9090U, 0x830b8888U, 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, - 0x3c281414U, 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU, - 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU, 0xdb924949U, - 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU, 0x5d9fc2c2U, 0x6ebdd3d3U, - 0xef43acacU, 0xa6c46262U, 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, - 0x8bf27979U, 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU, - 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U, 0xb4d86c6cU, - 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU, 0xafca6565U, 0x8ef47a7aU, - 0xe947aeaeU, 0x18100808U, 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, - 0x725c2e2eU, 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U, - 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU, 0xdd964b4bU, - 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU, 0x90e07070U, 0x427c3e3eU, - 0xc471b5b5U, 0xaacc6666U, 0xd8904848U, 0x05060303U, 0x01f7f6f6U, - 0x121c0e0eU, 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U, - 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU, 0x38d9e1e1U, - 0x13ebf8f8U, 0xb32b9898U, 0x33221111U, 0xbbd26969U, 0x70a9d9d9U, - 0x89078e8eU, 0xa7339494U, 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, - 0x20c9e9e9U, 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU, - 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU, 0xda65bfbfU, - 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U, 0xc3824141U, 0xb0299999U, - 0x775a2d2dU, 0x111e0f0fU, 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, - 0x3a2c1616U, }; - -static const uint32_t Te2[256] = { - 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU, 0xf20dfff2U, - 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U, 0x30506030U, 0x01030201U, - 0x67a9ce67U, 0x2b7d562bU, 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, - 0x769aec76U, 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU, - 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U, 0xadec41adU, - 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU, 0x9cbf239cU, 0xa4f753a4U, - 0x7296e472U, 0xc05b9bc0U, 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, - 0x266a4c26U, 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU, - 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U, 0x7193e271U, - 0xd873abd8U, 0x31536231U, 0x153f2a15U, 0x040c0804U, 0xc75295c7U, - 0x23654623U, 0xc35e9dc3U, 0x18283018U, 0x96a13796U, 0x050f0a05U, - 0x9ab52f9aU, 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U, - 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U, 0x091b1209U, - 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU, 0x1b2d361bU, 0x6eb2dc6eU, - 0x5aeeb45aU, 0xa0fb5ba0U, 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, - 0xb3ce7db3U, 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U, - 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU, 0x20604020U, - 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU, 0x6abed46aU, 0xcb468dcbU, - 0xbed967beU, 0x394b7239U, 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, - 0xcf4a85cfU, 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU, - 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U, 0x45cf8a45U, - 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU, 0x50f0a050U, 0x3c44783cU, - 0x9fba259fU, 0xa8e34ba8U, 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, - 0x8f8a058fU, 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U, - 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U, 0x10302010U, - 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U, 0xcd4c81cdU, 0x0c14180cU, - 0x13352613U, 0xec2fc3ecU, 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, - 0x17392e17U, 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU, - 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U, 0x60a0c060U, - 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU, 0x22664422U, 0x2a7e542aU, - 0x90ab3b90U, 0x88830b88U, 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, - 0x143c2814U, 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU, - 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU, 0x49db9249U, - 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU, 0xc25d9fc2U, 0xd36ebdd3U, - 0xacef43acU, 0x62a6c462U, 0x91a83991U, 0x95a43195U, 0xe437d3e4U, - 0x798bf279U, 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU, - 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U, 0x6cb4d86cU, - 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU, 0x65afca65U, 0x7a8ef47aU, - 0xaee947aeU, 0x08181008U, 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, - 0x2e725c2eU, 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U, - 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU, 0x4bdd964bU, - 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU, 0x7090e070U, 0x3e427c3eU, - 0xb5c471b5U, 0x66aacc66U, 0x48d89048U, 0x03050603U, 0xf601f7f6U, - 0x0e121c0eU, 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U, - 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU, 0xe138d9e1U, - 0xf813ebf8U, 0x98b32b98U, 0x11332211U, 0x69bbd269U, 0xd970a9d9U, - 0x8e89078eU, 0x94a73394U, 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, - 0xe920c9e9U, 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU, - 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU, 0xbfda65bfU, - 0xe631d7e6U, 0x42c68442U, 0x68b8d068U, 0x41c38241U, 0x99b02999U, - 0x2d775a2dU, 0x0f111e0fU, 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, - 0x163a2c16U, }; - -static const uint32_t Te3[256] = { - 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U, 0xf2f20dffU, - 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U, 0x30305060U, 0x01010302U, - 0x6767a9ceU, 0x2b2b7d56U, 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, - 0x76769aecU, 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU, - 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU, 0xadadec41U, - 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U, 0x9c9cbf23U, 0xa4a4f753U, - 0x727296e4U, 0xc0c05b9bU, 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, - 0x26266a4cU, 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U, - 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U, 0x717193e2U, - 0xd8d873abU, 0x31315362U, 0x15153f2aU, 0x04040c08U, 0xc7c75295U, - 0x23236546U, 0xc3c35e9dU, 0x18182830U, 0x9696a137U, 0x05050f0aU, - 0x9a9ab52fU, 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU, - 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU, 0x09091b12U, - 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U, 0x1b1b2d36U, 0x6e6eb2dcU, - 0x5a5aeeb4U, 0xa0a0fb5bU, 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, - 0xb3b3ce7dU, 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U, - 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U, 0x20206040U, - 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U, 0x6a6abed4U, 0xcbcb468dU, - 0xbebed967U, 0x39394b72U, 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, - 0xcfcf4a85U, 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU, - 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U, 0x4545cf8aU, - 0xf9f910e9U, 0x02020604U, 0x7f7f81feU, 0x5050f0a0U, 0x3c3c4478U, - 0x9f9fba25U, 0xa8a8e34bU, 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, - 0x8f8f8a05U, 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U, - 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U, 0x10103020U, - 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU, 0xcdcd4c81U, 0x0c0c1418U, - 0x13133526U, 0xecec2fc3U, 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, - 0x1717392eU, 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU, - 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U, 0x6060a0c0U, - 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U, 0x22226644U, 0x2a2a7e54U, - 0x9090ab3bU, 0x8888830bU, 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, - 0x14143c28U, 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU, - 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U, 0x4949db92U, - 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U, 0xc2c25d9fU, 0xd3d36ebdU, - 0xacacef43U, 0x6262a6c4U, 0x9191a839U, 0x9595a431U, 0xe4e437d3U, - 0x79798bf2U, 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU, - 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U, 0x6c6cb4d8U, - 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU, 0x6565afcaU, 0x7a7a8ef4U, - 0xaeaee947U, 0x08081810U, 0xbabad56fU, 0x787888f0U, 0x25256f4aU, - 0x2e2e725cU, 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U, - 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU, 0x4b4bdd96U, - 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU, 0x707090e0U, 0x3e3e427cU, - 0xb5b5c471U, 0x6666aaccU, 0x4848d890U, 0x03030506U, 0xf6f601f7U, - 0x0e0e121cU, 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U, - 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U, 0xe1e138d9U, - 0xf8f813ebU, 0x9898b32bU, 0x11113322U, 0x6969bbd2U, 0xd9d970a9U, - 0x8e8e8907U, 0x9494a733U, 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, - 0xe9e920c9U, 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U, - 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU, 0xbfbfda65U, - 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U, 0x4141c382U, 0x9999b029U, - 0x2d2d775aU, 0x0f0f111eU, 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, - 0x16163a2cU, }; - -static const uint32_t Td0[256] = { - 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U, 0x3bab6bcbU, - 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U, 0x2030fa55U, 0xad766df6U, - 0x88cc7691U, 0xf5024c25U, 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, - 0xb562a38fU, 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U, - 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U, 0x038f5fe7U, - 0x15929c95U, 0xbf6d7aebU, 0x955259daU, 0xd4be832dU, 0x587421d3U, - 0x49e06929U, 0x8ec9c844U, 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, - 0x27b971ddU, 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U, - 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U, 0xb16477e0U, - 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U, 0x70486858U, 0x8f45fd19U, - 0x94de6c87U, 0x527bf8b7U, 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, - 0x6655ab2aU, 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U, - 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU, 0x8acf1c2bU, - 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U, 0x65daf4cdU, 0x0605bed5U, - 0xd134621fU, 0xc4a6fe8aU, 0x342e539dU, 0xa2f355a0U, 0x058ae132U, - 0xa4f6eb75U, 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U, - 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U, 0x91548db5U, - 0x71c45d05U, 0x0406d46fU, 0x605015ffU, 0x1998fb24U, 0xd6bde997U, - 0x894043ccU, 0x67d99e77U, 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, - 0x79c8eedbU, 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U, - 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU, 0xfd0efffbU, - 0x0f853856U, 0x3daed51eU, 0x362d3927U, 0x0a0fd964U, 0x685ca621U, - 0x9b5b54d1U, 0x24362e3aU, 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, - 0x1b9b919eU, 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U, - 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU, 0x0e090d0bU, - 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U, 0x57f11985U, 0xaf75074cU, - 0xee99ddbbU, 0xa37f60fdU, 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, - 0x5bfb7e34U, 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U, - 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U, 0x854a247dU, - 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU, 0x1d9e2f4bU, 0xdcb230f3U, - 0x0d8652ecU, 0x77c1e3d0U, 0x2bb3166cU, 0xa970b999U, 0x119448faU, - 0x47e96422U, 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU, - 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U, 0xa6f581cfU, - 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U, 0x2c3a9de4U, 0x5078920dU, - 0x6a5fcc9bU, 0x547e4662U, 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, - 0x82c3aff5U, 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U, - 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU, 0xcd267809U, - 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U, 0xe6956e65U, 0xaaffe67eU, - 0x21bccf08U, 0xef15e8e6U, 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, - 0x29b07cd6U, 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U, - 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U, 0xf104984aU, - 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU, 0x764dd68dU, 0x43efb04dU, - 0xccaa4d54U, 0xe49604dfU, 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, - 0x4665517fU, 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU, - 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U, 0x9ad7618cU, - 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U, 0xcea927eeU, 0xb761c935U, - 0xe11ce5edU, 0x7a47b13cU, 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, - 0x73c737bfU, 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U, - 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU, 0x161dc372U, - 0xbce2250cU, 0x283c498bU, 0xff0d9541U, 0x39a80171U, 0x080cb3deU, - 0xd8b4e49cU, 0x6456c190U, 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, - 0xd0b85742U, }; - -static const uint32_t Td1[256] = { - 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU, 0xcb3bab6bU, - 0xf11f9d45U, 0xabacfa58U, 0x934be303U, 0x552030faU, 0xf6ad766dU, - 0x9188cc76U, 0x25f5024cU, 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, - 0x8fb562a3U, 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U, - 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U, 0xe7038f5fU, - 0x9515929cU, 0xebbf6d7aU, 0xda955259U, 0x2dd4be83U, 0xd3587421U, - 0x2949e069U, 0x448ec9c8U, 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, - 0xdd27b971U, 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU, - 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU, 0xe0b16477U, - 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU, 0x58704868U, 0x198f45fdU, - 0x8794de6cU, 0xb7527bf8U, 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, - 0x2a6655abU, 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U, - 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U, 0x2b8acf1cU, - 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U, 0xcd65daf4U, 0xd50605beU, - 0x1fd13462U, 0x8ac4a6feU, 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, - 0x75a4f6ebU, 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U, - 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU, 0xb591548dU, - 0x0571c45dU, 0x6f0406d4U, 0xff605015U, 0x241998fbU, 0x97d6bde9U, - 0xcc894043U, 0x7767d99eU, 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, - 0xdb79c8eeU, 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U, - 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U, 0xfbfd0effU, - 0x560f8538U, 0x1e3daed5U, 0x27362d39U, 0x640a0fd9U, 0x21685ca6U, - 0xd19b5b54U, 0x3a24362eU, 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, - 0x9e1b9b91U, 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU, - 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U, 0x0b0e090dU, - 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U, 0x8557f119U, 0x4caf7507U, - 0xbbee99ddU, 0xfda37f60U, 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, - 0x345bfb7eU, 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U, - 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U, 0x7d854a24U, - 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U, 0x4b1d9e2fU, 0xf3dcb230U, - 0xec0d8652U, 0xd077c1e3U, 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, - 0x2247e964U, 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U, - 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU, 0xcfa6f581U, - 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU, 0xe42c3a9dU, 0x0d507892U, - 0x9b6a5fccU, 0x62547e46U, 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, - 0xf582c3afU, 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U, - 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU, 0x09cd2678U, - 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU, 0x65e6956eU, 0x7eaaffe6U, - 0x0821bccfU, 0xe6ef15e8U, 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, - 0xd629b07cU, 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U, - 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U, 0x4af10498U, - 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U, 0x8d764dd6U, 0x4d43efb0U, - 0x54ccaa4dU, 0xdfe49604U, 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, - 0x7f466551U, 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U, - 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U, 0x8c9ad761U, - 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU, 0xeecea927U, 0x35b761c9U, - 0xede11ce5U, 0x3c7a47b1U, 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, - 0xbf73c737U, 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU, - 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U, 0x72161dc3U, - 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U, 0x7139a801U, 0xde080cb3U, - 0x9cd8b4e4U, 0x906456c1U, 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, - 0x42d0b857U, }; - -static const uint32_t Td2[256] = { - 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U, 0x6bcb3babU, - 0x45f11f9dU, 0x58abacfaU, 0x03934be3U, 0xfa552030U, 0x6df6ad76U, - 0x769188ccU, 0x4c25f502U, 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, - 0xa38fb562U, 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU, - 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U, 0x5fe7038fU, - 0x9c951592U, 0x7aebbf6dU, 0x59da9552U, 0x832dd4beU, 0x21d35874U, - 0x692949e0U, 0xc8448ec9U, 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, - 0x71dd27b9U, 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU, - 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U, 0x77e0b164U, - 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U, 0x68587048U, 0xfd198f45U, - 0x6c8794deU, 0xf8b7527bU, 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, - 0xab2a6655U, 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U, - 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U, 0x1c2b8acfU, - 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U, 0xf4cd65daU, 0xbed50605U, - 0x621fd134U, 0xfe8ac4a6U, 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, - 0xeb75a4f6U, 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU, - 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U, 0x8db59154U, - 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U, 0xfb241998U, 0xe997d6bdU, - 0x43cc8940U, 0x9e7767d9U, 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, - 0xeedb79c8U, 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U, - 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU, 0xfffbfd0eU, - 0x38560f85U, 0xd51e3daeU, 0x3927362dU, 0xd9640a0fU, 0xa621685cU, - 0x54d19b5bU, 0x2e3a2436U, 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, - 0x919e1b9bU, 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U, - 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU, 0x0d0b0e09U, - 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU, 0x198557f1U, 0x074caf75U, - 0xddbbee99U, 0x60fda37fU, 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, - 0x7e345bfbU, 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U, - 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U, 0x247d854aU, - 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U, 0x2f4b1d9eU, 0x30f3dcb2U, - 0x52ec0d86U, 0xe3d077c1U, 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, - 0x642247e9U, 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U, - 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U, 0x81cfa6f5U, - 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU, 0x9de42c3aU, 0x920d5078U, - 0xcc9b6a5fU, 0x4662547eU, 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, - 0xaff582c3U, 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U, - 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU, 0x7809cd26U, - 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU, 0x6e65e695U, 0xe67eaaffU, - 0xcf0821bcU, 0xe8e6ef15U, 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, - 0x7cd629b0U, 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U, - 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U, 0x984af104U, - 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U, 0xd68d764dU, 0xb04d43efU, - 0x4d54ccaaU, 0x04dfe496U, 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, - 0x517f4665U, 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU, - 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U, 0x618c9ad7U, - 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U, 0x27eecea9U, 0xc935b761U, - 0xe5ede11cU, 0xb13c7a47U, 0xdf599cd2U, 0x733f55f2U, 0xce791814U, - 0x37bf73c7U, 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U, - 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U, 0xc372161dU, - 0x250cbce2U, 0x498b283cU, 0x9541ff0dU, 0x017139a8U, 0xb3de080cU, - 0xe49cd8b4U, 0xc1906456U, 0x84617bcbU, 0xb670d532U, 0x5c74486cU, - 0x5742d0b8U, }; - -static const uint32_t Td3[256] = { - 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU, 0xab6bcb3bU, - 0x9d45f11fU, 0xfa58abacU, 0xe303934bU, 0x30fa5520U, 0x766df6adU, - 0xcc769188U, 0x024c25f5U, 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, - 0x62a38fb5U, 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU, - 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU, 0x8f5fe703U, - 0x929c9515U, 0x6d7aebbfU, 0x5259da95U, 0xbe832dd4U, 0x7421d358U, - 0xe0692949U, 0xc9c8448eU, 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, - 0xb971dd27U, 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU, - 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U, 0x6477e0b1U, - 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U, 0x48685870U, 0x45fd198fU, - 0xde6c8794U, 0x7bf8b752U, 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, - 0x55ab2a66U, 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U, - 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU, 0xcf1c2b8aU, - 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU, 0xdaf4cd65U, 0x05bed506U, - 0x34621fd1U, 0xa6fe8ac4U, 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, - 0xf6eb75a4U, 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU, - 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU, 0x548db591U, - 0xc45d0571U, 0x06d46f04U, 0x5015ff60U, 0x98fb2419U, 0xbde997d6U, - 0x4043cc89U, 0xd99e7767U, 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, - 0xc8eedb79U, 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U, - 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU, 0x0efffbfdU, - 0x8538560fU, 0xaed51e3dU, 0x2d392736U, 0x0fd9640aU, 0x5ca62168U, - 0x5b54d19bU, 0x362e3a24U, 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, - 0x9b919e1bU, 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU, - 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U, 0x090d0b0eU, - 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U, 0xf1198557U, 0x75074cafU, - 0x99ddbbeeU, 0x7f60fda3U, 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, - 0xfb7e345bU, 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U, - 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U, 0x4a247d85U, - 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U, 0x9e2f4b1dU, 0xb230f3dcU, - 0x8652ec0dU, 0xc1e3d077U, 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, - 0xe9642247U, 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U, - 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U, 0xf581cfa6U, - 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU, 0x3a9de42cU, 0x78920d50U, - 0x5fcc9b6aU, 0x7e466254U, 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, - 0xc3aff582U, 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU, - 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU, 0x267809cdU, - 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U, 0x956e65e6U, 0xffe67eaaU, - 0xbccf0821U, 0x15e8e6efU, 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, - 0xb07cd629U, 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U, - 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U, 0x04984af1U, - 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U, 0x4dd68d76U, 0xefb04d43U, - 0xaa4d54ccU, 0x9604dfe4U, 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, - 0x65517f46U, 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU, - 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU, 0xd7618c9aU, - 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU, 0xa927eeceU, 0x61c935b7U, - 0x1ce5ede1U, 0x47b13c7aU, 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, - 0xc737bf73U, 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U, - 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U, 0x1dc37216U, - 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU, 0xa8017139U, 0x0cb3de08U, - 0xb4e49cd8U, 0x56c19064U, 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, - 0xb85742d0U, }; - -static const uint8_t Td4[256] = { - 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U, 0xbfU, 0x40U, 0xa3U, - 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU, 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, - 0xffU, 0x87U, 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU, 0x54U, - 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU, 0xeeU, 0x4cU, 0x95U, 0x0bU, - 0x42U, 0xfaU, 0xc3U, 0x4eU, 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, - 0xb2U, 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U, 0x72U, 0xf8U, - 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U, 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, - 0x65U, 0xb6U, 0x92U, 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU, - 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U, 0x90U, 0xd8U, 0xabU, - 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU, 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, - 0x45U, 0x06U, 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U, 0xc1U, - 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU, 0x3aU, 0x91U, 0x11U, 0x41U, - 0x4fU, 0x67U, 0xdcU, 0xeaU, 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, - 0x73U, 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U, 0xe2U, 0xf9U, - 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU, 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, - 0x29U, 0xc5U, 0x89U, 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU, - 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U, 0x9aU, 0xdbU, 0xc0U, - 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U, 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, - 0xc7U, 0x31U, 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU, 0x60U, - 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU, 0x2dU, 0xe5U, 0x7aU, 0x9fU, - 0x93U, 0xc9U, 0x9cU, 0xefU, 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, - 0xb0U, 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U, 0x17U, 0x2bU, - 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U, 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, - 0x21U, 0x0cU, 0x7dU, }; - -static const uint32_t rcon[] = { - 0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x10000000, - 0x20000000, 0x40000000, 0x80000000, 0x1B000000, 0x36000000, - // for 128-bit blocks, Rijndael never uses more than 10 rcon values -}; - -int aes_nohw_set_encrypt_key(const uint8_t *key, unsigned bits, - AES_KEY *aeskey) { - uint32_t *rk; - int i = 0; - uint32_t temp; - - if (!key || !aeskey) { - return -1; - } - - switch (bits) { - case 128: - aeskey->rounds = 10; - break; - case 192: - aeskey->rounds = 12; - break; - case 256: - aeskey->rounds = 14; - break; - default: - return -2; - } - - rk = aeskey->rd_key; - - rk[0] = GETU32(key); - rk[1] = GETU32(key + 4); - rk[2] = GETU32(key + 8); - rk[3] = GETU32(key + 12); - if (bits == 128) { - while (1) { - temp = rk[3]; - rk[4] = rk[0] ^ (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ - (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (Te0[(temp) & 0xff] & 0x0000ff00) ^ - (Te1[(temp >> 24)] & 0x000000ff) ^ rcon[i]; - rk[5] = rk[1] ^ rk[4]; - rk[6] = rk[2] ^ rk[5]; - rk[7] = rk[3] ^ rk[6]; - if (++i == 10) { - return 0; - } - rk += 4; - } - } - rk[4] = GETU32(key + 16); - rk[5] = GETU32(key + 20); - if (bits == 192) { - while (1) { - temp = rk[5]; - rk[6] = rk[0] ^ (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ - (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (Te0[(temp) & 0xff] & 0x0000ff00) ^ - (Te1[(temp >> 24)] & 0x000000ff) ^ rcon[i]; - rk[7] = rk[1] ^ rk[6]; - rk[8] = rk[2] ^ rk[7]; - rk[9] = rk[3] ^ rk[8]; - if (++i == 8) { - return 0; - } - rk[10] = rk[4] ^ rk[9]; - rk[11] = rk[5] ^ rk[10]; - rk += 6; - } - } - rk[6] = GETU32(key + 24); - rk[7] = GETU32(key + 28); - if (bits == 256) { - while (1) { - temp = rk[7]; - rk[8] = rk[0] ^ (Te2[(temp >> 16) & 0xff] & 0xff000000) ^ - (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^ - (Te0[(temp) & 0xff] & 0x0000ff00) ^ - (Te1[(temp >> 24)] & 0x000000ff) ^ rcon[i]; - rk[9] = rk[1] ^ rk[8]; - rk[10] = rk[2] ^ rk[9]; - rk[11] = rk[3] ^ rk[10]; - if (++i == 7) { - return 0; - } - temp = rk[11]; - rk[12] = rk[4] ^ (Te2[(temp >> 24)] & 0xff000000) ^ - (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^ - (Te1[(temp) & 0xff] & 0x000000ff); - rk[13] = rk[5] ^ rk[12]; - rk[14] = rk[6] ^ rk[13]; - rk[15] = rk[7] ^ rk[14]; - - rk += 8; - } - } - return 0; -} - -int aes_nohw_set_decrypt_key(const uint8_t *key, unsigned bits, - AES_KEY *aeskey) { - uint32_t *rk; - int i, j, status; - uint32_t temp; - - // first, start with an encryption schedule - status = AES_set_encrypt_key(key, bits, aeskey); - if (status < 0) { - return status; - } - - rk = aeskey->rd_key; - - // invert the order of the round keys: - for (i = 0, j = 4 * aeskey->rounds; i < j; i += 4, j -= 4) { - temp = rk[i]; - rk[i] = rk[j]; - rk[j] = temp; - temp = rk[i + 1]; - rk[i + 1] = rk[j + 1]; - rk[j + 1] = temp; - temp = rk[i + 2]; - rk[i + 2] = rk[j + 2]; - rk[j + 2] = temp; - temp = rk[i + 3]; - rk[i + 3] = rk[j + 3]; - rk[j + 3] = temp; - } - // apply the inverse MixColumn transform to all round keys but the first and - // the last: - for (i = 1; i < (int)aeskey->rounds; i++) { - rk += 4; - rk[0] = - Td0[Te1[(rk[0] >> 24)] & 0xff] ^ Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^ Td3[Te1[(rk[0]) & 0xff] & 0xff]; - rk[1] = - Td0[Te1[(rk[1] >> 24)] & 0xff] ^ Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^ Td3[Te1[(rk[1]) & 0xff] & 0xff]; - rk[2] = - Td0[Te1[(rk[2] >> 24)] & 0xff] ^ Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^ Td3[Te1[(rk[2]) & 0xff] & 0xff]; - rk[3] = - Td0[Te1[(rk[3] >> 24)] & 0xff] ^ Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^ - Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^ Td3[Te1[(rk[3]) & 0xff] & 0xff]; - } - return 0; -} - -void aes_nohw_encrypt(const uint8_t *in, uint8_t *out, - const AES_KEY *key) { - const uint32_t *rk; - uint32_t s0, s1, s2, s3, t0, t1, t2, t3; - int r; - - rk = key->rd_key; - - // map byte array block to cipher state - // and add initial round key: - s0 = GETU32(in) ^ rk[0]; - s1 = GETU32(in + 4) ^ rk[1]; - s2 = GETU32(in + 8) ^ rk[2]; - s3 = GETU32(in + 12) ^ rk[3]; - - // Nr - 1 full rounds: - r = key->rounds >> 1; - for (;;) { - t0 = Te0[(s0 >> 24)] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ - Te3[(s3) & 0xff] ^ rk[4]; - t1 = Te0[(s1 >> 24)] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ - Te3[(s0) & 0xff] ^ rk[5]; - t2 = Te0[(s2 >> 24)] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ - Te3[(s1) & 0xff] ^ rk[6]; - t3 = Te0[(s3 >> 24)] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ - Te3[(s2) & 0xff] ^ rk[7]; - - rk += 8; - if (--r == 0) { - break; - } - - s0 = Te0[(t0 >> 24)] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ - Te3[(t3) & 0xff] ^ rk[0]; - s1 = Te0[(t1 >> 24)] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ - Te3[(t0) & 0xff] ^ rk[1]; - s2 = Te0[(t2 >> 24)] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ - Te3[(t1) & 0xff] ^ rk[2]; - s3 = Te0[(t3 >> 24)] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ - Te3[(t2) & 0xff] ^ rk[3]; - } - - // apply last round and map cipher state to byte array block: - s0 = (Te2[(t0 >> 24)] & 0xff000000) ^ (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t3) & 0xff] & 0x000000ff) ^ - rk[0]; - PUTU32(out, s0); - s1 = (Te2[(t1 >> 24)] & 0xff000000) ^ (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t0) & 0xff] & 0x000000ff) ^ - rk[1]; - PUTU32(out + 4, s1); - s2 = (Te2[(t2 >> 24)] & 0xff000000) ^ (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t1) & 0xff] & 0x000000ff) ^ - rk[2]; - PUTU32(out + 8, s2); - s3 = (Te2[(t3 >> 24)] & 0xff000000) ^ (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^ - (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^ (Te1[(t2) & 0xff] & 0x000000ff) ^ - rk[3]; - PUTU32(out + 12, s3); -} - -void aes_nohw_decrypt(const uint8_t *in, uint8_t *out, - const AES_KEY *key) { - const uint32_t *rk; - uint32_t s0, s1, s2, s3, t0, t1, t2, t3; - int r; - - rk = key->rd_key; - - // map byte array block to cipher state - // and add initial round key: - s0 = GETU32(in) ^ rk[0]; - s1 = GETU32(in + 4) ^ rk[1]; - s2 = GETU32(in + 8) ^ rk[2]; - s3 = GETU32(in + 12) ^ rk[3]; - - // Nr - 1 full rounds: - r = key->rounds >> 1; - for (;;) { - t0 = Td0[(s0 >> 24)] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ - Td3[(s1) & 0xff] ^ rk[4]; - t1 = Td0[(s1 >> 24)] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ - Td3[(s2) & 0xff] ^ rk[5]; - t2 = Td0[(s2 >> 24)] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ - Td3[(s3) & 0xff] ^ rk[6]; - t3 = Td0[(s3 >> 24)] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ - Td3[(s0) & 0xff] ^ rk[7]; - - rk += 8; - if (--r == 0) { - break; - } - - s0 = Td0[(t0 >> 24)] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ - Td3[(t1) & 0xff] ^ rk[0]; - s1 = Td0[(t1 >> 24)] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ - Td3[(t2) & 0xff] ^ rk[1]; - s2 = Td0[(t2 >> 24)] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ - Td3[(t3) & 0xff] ^ rk[2]; - s3 = Td0[(t3 >> 24)] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ - Td3[(t0) & 0xff] ^ rk[3]; - } - - // apply last round and - // map cipher state to byte array block: - s0 = ((uint32_t)Td4[(t0 >> 24)] << 24) ^ - ((uint32_t)Td4[(t3 >> 16) & 0xff] << 16) ^ - ((uint32_t)Td4[(t2 >> 8) & 0xff] << 8) ^ - ((uint32_t)Td4[(t1) & 0xff]) ^ rk[0]; - PUTU32(out, s0); - s1 = ((uint32_t)Td4[(t1 >> 24)] << 24) ^ - ((uint32_t)Td4[(t0 >> 16) & 0xff] << 16) ^ - ((uint32_t)Td4[(t3 >> 8) & 0xff] << 8) ^ - ((uint32_t)Td4[(t2) & 0xff]) ^ rk[1]; - PUTU32(out + 4, s1); - s2 = ((uint32_t)Td4[(t2 >> 24)] << 24) ^ - ((uint32_t)Td4[(t1 >> 16) & 0xff] << 16) ^ - ((uint32_t)Td4[(t0 >> 8) & 0xff] << 8) ^ - ((uint32_t)Td4[(t3) & 0xff]) ^ rk[2]; - PUTU32(out + 8, s2); - s3 = ((uint32_t)Td4[(t3 >> 24)] << 24) ^ - ((uint32_t)Td4[(t2 >> 16) & 0xff] << 16) ^ - ((uint32_t)Td4[(t1 >> 8) & 0xff] << 8) ^ - ((uint32_t)Td4[(t0) & 0xff]) ^ rk[3]; - PUTU32(out + 12, s3); -} diff --git a/third_party/boringssl/common/curve25519-generic.c b/third_party/boringssl/common/curve25519-generic.c deleted file mode 100644 index e0d09b2acb..0000000000 --- a/third_party/boringssl/common/curve25519-generic.c +++ /dev/null @@ -1,821 +0,0 @@ -/* Copyright 2015, Google Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ - -/* This code is mostly taken from the ref10 version of Ed25519 in SUPERCOP - * 20141124 (http://bench.cr.yp.to/supercop.html). That code is released as - * public domain but this file has the ISC license just to keep licencing - * simple. - * - * The field functions are shared by Ed25519 and X25519 where possible. */ - -#include "curve25519.h" -#include "util.h" - -/* - * fe means field element. Here the field is \Z/(2^255-19). An element t, - * entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77 - * t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on - * context. - */ -typedef int32_t fe[10]; - -static const int64_t kBottom25Bits = INT64_C(0x1ffffff); -static const int64_t kBottom26Bits = INT64_C(0x3ffffff); -static const int64_t kTop39Bits = INT64_C(0xfffffffffe000000); -static const int64_t kTop38Bits = INT64_C(0xfffffffffc000000); - -static uint64_t load_3(const uint8_t *in) { - uint64_t result; - result = (uint64_t)in[0]; - result |= ((uint64_t)in[1]) << 8; - result |= ((uint64_t)in[2]) << 16; - return result; -} - -static uint64_t load_4(const uint8_t *in) { - uint64_t result; - result = (uint64_t)in[0]; - result |= ((uint64_t)in[1]) << 8; - result |= ((uint64_t)in[2]) << 16; - result |= ((uint64_t)in[3]) << 24; - return result; -} - -static void fe_frombytes(fe h, const uint8_t *s) { - /* Ignores top bit of h. */ - int64_t h0 = load_4(s); - int64_t h1 = load_3(s + 4) << 6; - int64_t h2 = load_3(s + 7) << 5; - int64_t h3 = load_3(s + 10) << 3; - int64_t h4 = load_3(s + 13) << 2; - int64_t h5 = load_4(s + 16); - int64_t h6 = load_3(s + 20) << 7; - int64_t h7 = load_3(s + 23) << 5; - int64_t h8 = load_3(s + 26) << 4; - int64_t h9 = (load_3(s + 29) & 8388607) << 2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry9 = h9 + BIT(24); h0 += (carry9 >> 25) * 19; h9 -= carry9 & kTop39Bits; - carry1 = h1 + BIT(24); h2 += carry1 >> 25; h1 -= carry1 & kTop39Bits; - carry3 = h3 + BIT(24); h4 += carry3 >> 25; h3 -= carry3 & kTop39Bits; - carry5 = h5 + BIT(24); h6 += carry5 >> 25; h5 -= carry5 & kTop39Bits; - carry7 = h7 + BIT(24); h8 += carry7 >> 25; h7 -= carry7 & kTop39Bits; - - carry0 = h0 + BIT(25); h1 += carry0 >> 26; h0 -= carry0 & kTop38Bits; - carry2 = h2 + BIT(25); h3 += carry2 >> 26; h2 -= carry2 & kTop38Bits; - carry4 = h4 + BIT(25); h5 += carry4 >> 26; h4 -= carry4 & kTop38Bits; - carry6 = h6 + BIT(25); h7 += carry6 >> 26; h6 -= carry6 & kTop38Bits; - carry8 = h8 + BIT(25); h9 += carry8 >> 26; h8 -= carry8 & kTop38Bits; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* Preconditions: - * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - * - * Write p=2^255-19; q=floor(h/p). - * Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))). - * - * Proof: - * Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4. - * Also have |h-2^230 h9|<2^231 so |19 2^(-255)(h-2^230 h9)|<1/4. - * - * Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9). - * Then 0<y<1. - * - * Write r=h-pq. - * Have 0<=r<=p-1=2^255-20. - * Thus 0<=r+19(2^-255)r<r+19(2^-255)2^255<=2^255-1. - * - * Write x=r+19(2^-255)r+y. - * Then 0<x<2^255 so floor(2^(-255)x) = 0 so floor(q+2^(-255)x) = q. - * - * Have q+2^(-255)x = 2^(-255)(h + 19 2^(-25) h9 + 2^(-1)) - * so floor(2^(-255)(h + 19 2^(-25) h9 + 2^(-1))) = q. */ -static void fe_tobytes(uint8_t *s, const fe h) { - int32_t h0 = h[0]; - int32_t h1 = h[1]; - int32_t h2 = h[2]; - int32_t h3 = h[3]; - int32_t h4 = h[4]; - int32_t h5 = h[5]; - int32_t h6 = h[6]; - int32_t h7 = h[7]; - int32_t h8 = h[8]; - int32_t h9 = h[9]; - int32_t q; - - q = (19 * h9 + (((int32_t) 1) << 24)) >> 25; - q = (h0 + q) >> 26; - q = (h1 + q) >> 25; - q = (h2 + q) >> 26; - q = (h3 + q) >> 25; - q = (h4 + q) >> 26; - q = (h5 + q) >> 25; - q = (h6 + q) >> 26; - q = (h7 + q) >> 25; - q = (h8 + q) >> 26; - q = (h9 + q) >> 25; - - /* Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20. */ - h0 += 19 * q; - /* Goal: Output h-2^255 q, which is between 0 and 2^255-20. */ - - h1 += h0 >> 26; h0 &= kBottom26Bits; - h2 += h1 >> 25; h1 &= kBottom25Bits; - h3 += h2 >> 26; h2 &= kBottom26Bits; - h4 += h3 >> 25; h3 &= kBottom25Bits; - h5 += h4 >> 26; h4 &= kBottom26Bits; - h6 += h5 >> 25; h5 &= kBottom25Bits; - h7 += h6 >> 26; h6 &= kBottom26Bits; - h8 += h7 >> 25; h7 &= kBottom25Bits; - h9 += h8 >> 26; h8 &= kBottom26Bits; - h9 &= kBottom25Bits; - /* h10 = carry9 */ - - /* Goal: Output h0+...+2^255 h10-2^255 q, which is between 0 and 2^255-20. - * Have h0+...+2^230 h9 between 0 and 2^255-1; - * evidently 2^255 h10-2^255 q = 0. - * Goal: Output h0+...+2^230 h9. */ - - s[0] = h0 >> 0; - s[1] = h0 >> 8; - s[2] = h0 >> 16; - s[3] = (h0 >> 24) | ((uint32_t)(h1) << 2); - s[4] = h1 >> 6; - s[5] = h1 >> 14; - s[6] = (h1 >> 22) | ((uint32_t)(h2) << 3); - s[7] = h2 >> 5; - s[8] = h2 >> 13; - s[9] = (h2 >> 21) | ((uint32_t)(h3) << 5); - s[10] = h3 >> 3; - s[11] = h3 >> 11; - s[12] = (h3 >> 19) | ((uint32_t)(h4) << 6); - s[13] = h4 >> 2; - s[14] = h4 >> 10; - s[15] = h4 >> 18; - s[16] = h5 >> 0; - s[17] = h5 >> 8; - s[18] = h5 >> 16; - s[19] = (h5 >> 24) | ((uint32_t)(h6) << 1); - s[20] = h6 >> 7; - s[21] = h6 >> 15; - s[22] = (h6 >> 23) | ((uint32_t)(h7) << 3); - s[23] = h7 >> 5; - s[24] = h7 >> 13; - s[25] = (h7 >> 21) | ((uint32_t)(h8) << 4); - s[26] = h8 >> 4; - s[27] = h8 >> 12; - s[28] = (h8 >> 20) | ((uint32_t)(h9) << 6); - s[29] = h9 >> 2; - s[30] = h9 >> 10; - s[31] = h9 >> 18; -} - -/* h = f */ -static void fe_copy(fe h, const fe f) { - memmove(h, f, sizeof(int32_t) * 10); -} - -/* h = 0 */ -static void fe_0(fe h) { memset(h, 0, sizeof(int32_t) * 10); } - -/* h = 1 */ -static void fe_1(fe h) { - memset(h, 0, sizeof(int32_t) * 10); - h[0] = 1; -} - -/* h = f + g - * Can overlap h with f or g. - * - * Preconditions: - * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * - * Postconditions: - * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. */ -static void fe_add(fe h, const fe f, const fe g) { - unsigned i; - for (i = 0; i < 10; i++) { - h[i] = f[i] + g[i]; - } -} - -/* h = f - g - * Can overlap h with f or g. - * - * Preconditions: - * |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. - * - * Postconditions: - * |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. */ -static void fe_sub(fe h, const fe f, const fe g) { - unsigned i; - for (i = 0; i < 10; i++) { - h[i] = f[i] - g[i]; - } -} - -/* h = f * g - * Can overlap h with f or g. - * - * Preconditions: - * |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - * |g| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - * - * Postconditions: - * |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. - * - * Notes on implementation strategy: - * - * Using schoolbook multiplication. - * Karatsuba would save a little in some cost models. - * - * Most multiplications by 2 and 19 are 32-bit precomputations; - * cheaper than 64-bit postcomputations. - * - * There is one remaining multiplication by 19 in the carry chain; - * one *19 precomputation can be merged into this, - * but the resulting data flow is considerably less clean. - * - * There are 12 carries below. - * 10 of them are 2-way parallelizable and vectorizable. - * Can get away with 11 carries, but then data flow is much deeper. - * - * With tighter constraints on inputs can squeeze carries into int32. */ -static void fe_mul(fe h, const fe f, const fe g) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t g0 = g[0]; - int32_t g1 = g[1]; - int32_t g2 = g[2]; - int32_t g3 = g[3]; - int32_t g4 = g[4]; - int32_t g5 = g[5]; - int32_t g6 = g[6]; - int32_t g7 = g[7]; - int32_t g8 = g[8]; - int32_t g9 = g[9]; - int32_t g1_19 = 19 * g1; /* 1.959375*2^29 */ - int32_t g2_19 = 19 * g2; /* 1.959375*2^30; still ok */ - int32_t g3_19 = 19 * g3; - int32_t g4_19 = 19 * g4; - int32_t g5_19 = 19 * g5; - int32_t g6_19 = 19 * g6; - int32_t g7_19 = 19 * g7; - int32_t g8_19 = 19 * g8; - int32_t g9_19 = 19 * g9; - int32_t f1_2 = 2 * f1; - int32_t f3_2 = 2 * f3; - int32_t f5_2 = 2 * f5; - int32_t f7_2 = 2 * f7; - int32_t f9_2 = 2 * f9; - int64_t f0g0 = f0 * (int64_t) g0; - int64_t f0g1 = f0 * (int64_t) g1; - int64_t f0g2 = f0 * (int64_t) g2; - int64_t f0g3 = f0 * (int64_t) g3; - int64_t f0g4 = f0 * (int64_t) g4; - int64_t f0g5 = f0 * (int64_t) g5; - int64_t f0g6 = f0 * (int64_t) g6; - int64_t f0g7 = f0 * (int64_t) g7; - int64_t f0g8 = f0 * (int64_t) g8; - int64_t f0g9 = f0 * (int64_t) g9; - int64_t f1g0 = f1 * (int64_t) g0; - int64_t f1g1_2 = f1_2 * (int64_t) g1; - int64_t f1g2 = f1 * (int64_t) g2; - int64_t f1g3_2 = f1_2 * (int64_t) g3; - int64_t f1g4 = f1 * (int64_t) g4; - int64_t f1g5_2 = f1_2 * (int64_t) g5; - int64_t f1g6 = f1 * (int64_t) g6; - int64_t f1g7_2 = f1_2 * (int64_t) g7; - int64_t f1g8 = f1 * (int64_t) g8; - int64_t f1g9_38 = f1_2 * (int64_t) g9_19; - int64_t f2g0 = f2 * (int64_t) g0; - int64_t f2g1 = f2 * (int64_t) g1; - int64_t f2g2 = f2 * (int64_t) g2; - int64_t f2g3 = f2 * (int64_t) g3; - int64_t f2g4 = f2 * (int64_t) g4; - int64_t f2g5 = f2 * (int64_t) g5; - int64_t f2g6 = f2 * (int64_t) g6; - int64_t f2g7 = f2 * (int64_t) g7; - int64_t f2g8_19 = f2 * (int64_t) g8_19; - int64_t f2g9_19 = f2 * (int64_t) g9_19; - int64_t f3g0 = f3 * (int64_t) g0; - int64_t f3g1_2 = f3_2 * (int64_t) g1; - int64_t f3g2 = f3 * (int64_t) g2; - int64_t f3g3_2 = f3_2 * (int64_t) g3; - int64_t f3g4 = f3 * (int64_t) g4; - int64_t f3g5_2 = f3_2 * (int64_t) g5; - int64_t f3g6 = f3 * (int64_t) g6; - int64_t f3g7_38 = f3_2 * (int64_t) g7_19; - int64_t f3g8_19 = f3 * (int64_t) g8_19; - int64_t f3g9_38 = f3_2 * (int64_t) g9_19; - int64_t f4g0 = f4 * (int64_t) g0; - int64_t f4g1 = f4 * (int64_t) g1; - int64_t f4g2 = f4 * (int64_t) g2; - int64_t f4g3 = f4 * (int64_t) g3; - int64_t f4g4 = f4 * (int64_t) g4; - int64_t f4g5 = f4 * (int64_t) g5; - int64_t f4g6_19 = f4 * (int64_t) g6_19; - int64_t f4g7_19 = f4 * (int64_t) g7_19; - int64_t f4g8_19 = f4 * (int64_t) g8_19; - int64_t f4g9_19 = f4 * (int64_t) g9_19; - int64_t f5g0 = f5 * (int64_t) g0; - int64_t f5g1_2 = f5_2 * (int64_t) g1; - int64_t f5g2 = f5 * (int64_t) g2; - int64_t f5g3_2 = f5_2 * (int64_t) g3; - int64_t f5g4 = f5 * (int64_t) g4; - int64_t f5g5_38 = f5_2 * (int64_t) g5_19; - int64_t f5g6_19 = f5 * (int64_t) g6_19; - int64_t f5g7_38 = f5_2 * (int64_t) g7_19; - int64_t f5g8_19 = f5 * (int64_t) g8_19; - int64_t f5g9_38 = f5_2 * (int64_t) g9_19; - int64_t f6g0 = f6 * (int64_t) g0; - int64_t f6g1 = f6 * (int64_t) g1; - int64_t f6g2 = f6 * (int64_t) g2; - int64_t f6g3 = f6 * (int64_t) g3; - int64_t f6g4_19 = f6 * (int64_t) g4_19; - int64_t f6g5_19 = f6 * (int64_t) g5_19; - int64_t f6g6_19 = f6 * (int64_t) g6_19; - int64_t f6g7_19 = f6 * (int64_t) g7_19; - int64_t f6g8_19 = f6 * (int64_t) g8_19; - int64_t f6g9_19 = f6 * (int64_t) g9_19; - int64_t f7g0 = f7 * (int64_t) g0; - int64_t f7g1_2 = f7_2 * (int64_t) g1; - int64_t f7g2 = f7 * (int64_t) g2; - int64_t f7g3_38 = f7_2 * (int64_t) g3_19; - int64_t f7g4_19 = f7 * (int64_t) g4_19; - int64_t f7g5_38 = f7_2 * (int64_t) g5_19; - int64_t f7g6_19 = f7 * (int64_t) g6_19; - int64_t f7g7_38 = f7_2 * (int64_t) g7_19; - int64_t f7g8_19 = f7 * (int64_t) g8_19; - int64_t f7g9_38 = f7_2 * (int64_t) g9_19; - int64_t f8g0 = f8 * (int64_t) g0; - int64_t f8g1 = f8 * (int64_t) g1; - int64_t f8g2_19 = f8 * (int64_t) g2_19; - int64_t f8g3_19 = f8 * (int64_t) g3_19; - int64_t f8g4_19 = f8 * (int64_t) g4_19; - int64_t f8g5_19 = f8 * (int64_t) g5_19; - int64_t f8g6_19 = f8 * (int64_t) g6_19; - int64_t f8g7_19 = f8 * (int64_t) g7_19; - int64_t f8g8_19 = f8 * (int64_t) g8_19; - int64_t f8g9_19 = f8 * (int64_t) g9_19; - int64_t f9g0 = f9 * (int64_t) g0; - int64_t f9g1_38 = f9_2 * (int64_t) g1_19; - int64_t f9g2_19 = f9 * (int64_t) g2_19; - int64_t f9g3_38 = f9_2 * (int64_t) g3_19; - int64_t f9g4_19 = f9 * (int64_t) g4_19; - int64_t f9g5_38 = f9_2 * (int64_t) g5_19; - int64_t f9g6_19 = f9 * (int64_t) g6_19; - int64_t f9g7_38 = f9_2 * (int64_t) g7_19; - int64_t f9g8_19 = f9 * (int64_t) g8_19; - int64_t f9g9_38 = f9_2 * (int64_t) g9_19; - int64_t h0 = f0g0+f1g9_38+f2g8_19+f3g7_38+f4g6_19+f5g5_38+f6g4_19+f7g3_38+f8g2_19+f9g1_38; - int64_t h1 = f0g1+f1g0 +f2g9_19+f3g8_19+f4g7_19+f5g6_19+f6g5_19+f7g4_19+f8g3_19+f9g2_19; - int64_t h2 = f0g2+f1g1_2 +f2g0 +f3g9_38+f4g8_19+f5g7_38+f6g6_19+f7g5_38+f8g4_19+f9g3_38; - int64_t h3 = f0g3+f1g2 +f2g1 +f3g0 +f4g9_19+f5g8_19+f6g7_19+f7g6_19+f8g5_19+f9g4_19; - int64_t h4 = f0g4+f1g3_2 +f2g2 +f3g1_2 +f4g0 +f5g9_38+f6g8_19+f7g7_38+f8g6_19+f9g5_38; - int64_t h5 = f0g5+f1g4 +f2g3 +f3g2 +f4g1 +f5g0 +f6g9_19+f7g8_19+f8g7_19+f9g6_19; - int64_t h6 = f0g6+f1g5_2 +f2g4 +f3g3_2 +f4g2 +f5g1_2 +f6g0 +f7g9_38+f8g8_19+f9g7_38; - int64_t h7 = f0g7+f1g6 +f2g5 +f3g4 +f4g3 +f5g2 +f6g1 +f7g0 +f8g9_19+f9g8_19; - int64_t h8 = f0g8+f1g7_2 +f2g6 +f3g5_2 +f4g4 +f5g3_2 +f6g2 +f7g1_2 +f8g0 +f9g9_38; - int64_t h9 = f0g9+f1g8 +f2g7 +f3g6 +f4g5 +f5g4 +f6g3 +f7g2 +f8g1 +f9g0 ; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - /* |h0| <= (1.65*1.65*2^52*(1+19+19+19+19)+1.65*1.65*2^50*(38+38+38+38+38)) - * i.e. |h0| <= 1.4*2^60; narrower ranges for h2, h4, h6, h8 - * |h1| <= (1.65*1.65*2^51*(1+1+19+19+19+19+19+19+19+19)) - * i.e. |h1| <= 1.7*2^59; narrower ranges for h3, h5, h7, h9 */ - - carry0 = h0 + BIT(25); h1 += carry0 >> 26; h0 -= carry0 & kTop38Bits; - carry4 = h4 + BIT(25); h5 += carry4 >> 26; h4 -= carry4 & kTop38Bits; - /* |h0| <= 2^25 */ - /* |h4| <= 2^25 */ - /* |h1| <= 1.71*2^59 */ - /* |h5| <= 1.71*2^59 */ - - carry1 = h1 + BIT(24); h2 += carry1 >> 25; h1 -= carry1 & kTop39Bits; - carry5 = h5 + BIT(24); h6 += carry5 >> 25; h5 -= carry5 & kTop39Bits; - /* |h1| <= 2^24; from now on fits into int32 */ - /* |h5| <= 2^24; from now on fits into int32 */ - /* |h2| <= 1.41*2^60 */ - /* |h6| <= 1.41*2^60 */ - - carry2 = h2 + BIT(25); h3 += carry2 >> 26; h2 -= carry2 & kTop38Bits; - carry6 = h6 + BIT(25); h7 += carry6 >> 26; h6 -= carry6 & kTop38Bits; - /* |h2| <= 2^25; from now on fits into int32 unchanged */ - /* |h6| <= 2^25; from now on fits into int32 unchanged */ - /* |h3| <= 1.71*2^59 */ - /* |h7| <= 1.71*2^59 */ - - carry3 = h3 + BIT(24); h4 += carry3 >> 25; h3 -= carry3 & kTop39Bits; - carry7 = h7 + BIT(24); h8 += carry7 >> 25; h7 -= carry7 & kTop39Bits; - /* |h3| <= 2^24; from now on fits into int32 unchanged */ - /* |h7| <= 2^24; from now on fits into int32 unchanged */ - /* |h4| <= 1.72*2^34 */ - /* |h8| <= 1.41*2^60 */ - - carry4 = h4 + BIT(25); h5 += carry4 >> 26; h4 -= carry4 & kTop38Bits; - carry8 = h8 + BIT(25); h9 += carry8 >> 26; h8 -= carry8 & kTop38Bits; - /* |h4| <= 2^25; from now on fits into int32 unchanged */ - /* |h8| <= 2^25; from now on fits into int32 unchanged */ - /* |h5| <= 1.01*2^24 */ - /* |h9| <= 1.71*2^59 */ - - carry9 = h9 + BIT(24); h0 += (carry9 >> 25) * 19; h9 -= carry9 & kTop39Bits; - /* |h9| <= 2^24; from now on fits into int32 unchanged */ - /* |h0| <= 1.1*2^39 */ - - carry0 = h0 + BIT(25); h1 += carry0 >> 26; h0 -= carry0 & kTop38Bits; - /* |h0| <= 2^25; from now on fits into int32 unchanged */ - /* |h1| <= 1.01*2^24 */ - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -/* h = f * f - * Can overlap h with f. - * - * Preconditions: - * |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc. - * - * Postconditions: - * |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc. - * - * See fe_mul.c for discussion of implementation strategy. */ -static void fe_sq(fe h, const fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int32_t f0_2 = 2 * f0; - int32_t f1_2 = 2 * f1; - int32_t f2_2 = 2 * f2; - int32_t f3_2 = 2 * f3; - int32_t f4_2 = 2 * f4; - int32_t f5_2 = 2 * f5; - int32_t f6_2 = 2 * f6; - int32_t f7_2 = 2 * f7; - int32_t f5_38 = 38 * f5; /* 1.959375*2^30 */ - int32_t f6_19 = 19 * f6; /* 1.959375*2^30 */ - int32_t f7_38 = 38 * f7; /* 1.959375*2^30 */ - int32_t f8_19 = 19 * f8; /* 1.959375*2^30 */ - int32_t f9_38 = 38 * f9; /* 1.959375*2^30 */ - int64_t f0f0 = f0 * (int64_t) f0; - int64_t f0f1_2 = f0_2 * (int64_t) f1; - int64_t f0f2_2 = f0_2 * (int64_t) f2; - int64_t f0f3_2 = f0_2 * (int64_t) f3; - int64_t f0f4_2 = f0_2 * (int64_t) f4; - int64_t f0f5_2 = f0_2 * (int64_t) f5; - int64_t f0f6_2 = f0_2 * (int64_t) f6; - int64_t f0f7_2 = f0_2 * (int64_t) f7; - int64_t f0f8_2 = f0_2 * (int64_t) f8; - int64_t f0f9_2 = f0_2 * (int64_t) f9; - int64_t f1f1_2 = f1_2 * (int64_t) f1; - int64_t f1f2_2 = f1_2 * (int64_t) f2; - int64_t f1f3_4 = f1_2 * (int64_t) f3_2; - int64_t f1f4_2 = f1_2 * (int64_t) f4; - int64_t f1f5_4 = f1_2 * (int64_t) f5_2; - int64_t f1f6_2 = f1_2 * (int64_t) f6; - int64_t f1f7_4 = f1_2 * (int64_t) f7_2; - int64_t f1f8_2 = f1_2 * (int64_t) f8; - int64_t f1f9_76 = f1_2 * (int64_t) f9_38; - int64_t f2f2 = f2 * (int64_t) f2; - int64_t f2f3_2 = f2_2 * (int64_t) f3; - int64_t f2f4_2 = f2_2 * (int64_t) f4; - int64_t f2f5_2 = f2_2 * (int64_t) f5; - int64_t f2f6_2 = f2_2 * (int64_t) f6; - int64_t f2f7_2 = f2_2 * (int64_t) f7; - int64_t f2f8_38 = f2_2 * (int64_t) f8_19; - int64_t f2f9_38 = f2 * (int64_t) f9_38; - int64_t f3f3_2 = f3_2 * (int64_t) f3; - int64_t f3f4_2 = f3_2 * (int64_t) f4; - int64_t f3f5_4 = f3_2 * (int64_t) f5_2; - int64_t f3f6_2 = f3_2 * (int64_t) f6; - int64_t f3f7_76 = f3_2 * (int64_t) f7_38; - int64_t f3f8_38 = f3_2 * (int64_t) f8_19; - int64_t f3f9_76 = f3_2 * (int64_t) f9_38; - int64_t f4f4 = f4 * (int64_t) f4; - int64_t f4f5_2 = f4_2 * (int64_t) f5; - int64_t f4f6_38 = f4_2 * (int64_t) f6_19; - int64_t f4f7_38 = f4 * (int64_t) f7_38; - int64_t f4f8_38 = f4_2 * (int64_t) f8_19; - int64_t f4f9_38 = f4 * (int64_t) f9_38; - int64_t f5f5_38 = f5 * (int64_t) f5_38; - int64_t f5f6_38 = f5_2 * (int64_t) f6_19; - int64_t f5f7_76 = f5_2 * (int64_t) f7_38; - int64_t f5f8_38 = f5_2 * (int64_t) f8_19; - int64_t f5f9_76 = f5_2 * (int64_t) f9_38; - int64_t f6f6_19 = f6 * (int64_t) f6_19; - int64_t f6f7_38 = f6 * (int64_t) f7_38; - int64_t f6f8_38 = f6_2 * (int64_t) f8_19; - int64_t f6f9_38 = f6 * (int64_t) f9_38; - int64_t f7f7_38 = f7 * (int64_t) f7_38; - int64_t f7f8_38 = f7_2 * (int64_t) f8_19; - int64_t f7f9_76 = f7_2 * (int64_t) f9_38; - int64_t f8f8_19 = f8 * (int64_t) f8_19; - int64_t f8f9_38 = f8 * (int64_t) f9_38; - int64_t f9f9_38 = f9 * (int64_t) f9_38; - int64_t h0 = f0f0 +f1f9_76+f2f8_38+f3f7_76+f4f6_38+f5f5_38; - int64_t h1 = f0f1_2+f2f9_38+f3f8_38+f4f7_38+f5f6_38; - int64_t h2 = f0f2_2+f1f1_2 +f3f9_76+f4f8_38+f5f7_76+f6f6_19; - int64_t h3 = f0f3_2+f1f2_2 +f4f9_38+f5f8_38+f6f7_38; - int64_t h4 = f0f4_2+f1f3_4 +f2f2 +f5f9_76+f6f8_38+f7f7_38; - int64_t h5 = f0f5_2+f1f4_2 +f2f3_2 +f6f9_38+f7f8_38; - int64_t h6 = f0f6_2+f1f5_4 +f2f4_2 +f3f3_2 +f7f9_76+f8f8_19; - int64_t h7 = f0f7_2+f1f6_2 +f2f5_2 +f3f4_2 +f8f9_38; - int64_t h8 = f0f8_2+f1f7_4 +f2f6_2 +f3f5_4 +f4f4 +f9f9_38; - int64_t h9 = f0f9_2+f1f8_2 +f2f7_2 +f3f6_2 +f4f5_2; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry0 = h0 + BIT(25); h1 += carry0 >> 26; h0 -= carry0 & kTop38Bits; - carry4 = h4 + BIT(25); h5 += carry4 >> 26; h4 -= carry4 & kTop38Bits; - - carry1 = h1 + BIT(24); h2 += carry1 >> 25; h1 -= carry1 & kTop39Bits; - carry5 = h5 + BIT(24); h6 += carry5 >> 25; h5 -= carry5 & kTop39Bits; - - carry2 = h2 + BIT(25); h3 += carry2 >> 26; h2 -= carry2 & kTop38Bits; - carry6 = h6 + BIT(25); h7 += carry6 >> 26; h6 -= carry6 & kTop38Bits; - - carry3 = h3 + BIT(24); h4 += carry3 >> 25; h3 -= carry3 & kTop39Bits; - carry7 = h7 + BIT(24); h8 += carry7 >> 25; h7 -= carry7 & kTop39Bits; - - carry4 = h4 + BIT(25); h5 += carry4 >> 26; h4 -= carry4 & kTop38Bits; - carry8 = h8 + BIT(25); h9 += carry8 >> 26; h8 -= carry8 & kTop38Bits; - - carry9 = h9 + BIT(24); h0 += (carry9 >> 25) * 19; h9 -= carry9 & kTop39Bits; - - carry0 = h0 + BIT(25); h1 += carry0 >> 26; h0 -= carry0 & kTop38Bits; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -static void fe_invert(fe out, const fe z) { - fe t0; - fe t1; - fe t2; - fe t3; - int i; - - fe_sq(t0, z); - fe_sq(t1, t0); - for (i = 1; i < 2; ++i) { - fe_sq(t1, t1); - } - fe_mul(t1, z, t1); - fe_mul(t0, t0, t1); - fe_sq(t2, t0); - fe_mul(t1, t1, t2); - fe_sq(t2, t1); - for (i = 1; i < 5; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t2, t1); - for (i = 1; i < 10; ++i) { - fe_sq(t2, t2); - } - fe_mul(t2, t2, t1); - fe_sq(t3, t2); - for (i = 1; i < 20; ++i) { - fe_sq(t3, t3); - } - fe_mul(t2, t3, t2); - fe_sq(t2, t2); - for (i = 1; i < 10; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t2, t1); - for (i = 1; i < 50; ++i) { - fe_sq(t2, t2); - } - fe_mul(t2, t2, t1); - fe_sq(t3, t2); - for (i = 1; i < 100; ++i) { - fe_sq(t3, t3); - } - fe_mul(t2, t3, t2); - fe_sq(t2, t2); - for (i = 1; i < 50; ++i) { - fe_sq(t2, t2); - } - fe_mul(t1, t2, t1); - fe_sq(t1, t1); - for (i = 1; i < 5; ++i) { - fe_sq(t1, t1); - } - fe_mul(out, t1, t0); -} - -/* Replace (f,g) with (g,f) if b == 1; - * replace (f,g) with (f,g) if b == 0. - * - * Preconditions: b in {0,1}. */ -static void fe_cswap(fe f, fe g, unsigned int b) { - unsigned i; - b = 0-b; - for (i = 0; i < 10; i++) { - int32_t x = f[i] ^ g[i]; - x &= b; - f[i] ^= x; - g[i] ^= x; - } -} - -/* h = f * 121666 - * Can overlap h with f. - * - * Preconditions: - * |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc. - * - * Postconditions: - * |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. */ -static void fe_mul121666(fe h, fe f) { - int32_t f0 = f[0]; - int32_t f1 = f[1]; - int32_t f2 = f[2]; - int32_t f3 = f[3]; - int32_t f4 = f[4]; - int32_t f5 = f[5]; - int32_t f6 = f[6]; - int32_t f7 = f[7]; - int32_t f8 = f[8]; - int32_t f9 = f[9]; - int64_t h0 = f0 * (int64_t) 121666; - int64_t h1 = f1 * (int64_t) 121666; - int64_t h2 = f2 * (int64_t) 121666; - int64_t h3 = f3 * (int64_t) 121666; - int64_t h4 = f4 * (int64_t) 121666; - int64_t h5 = f5 * (int64_t) 121666; - int64_t h6 = f6 * (int64_t) 121666; - int64_t h7 = f7 * (int64_t) 121666; - int64_t h8 = f8 * (int64_t) 121666; - int64_t h9 = f9 * (int64_t) 121666; - int64_t carry0; - int64_t carry1; - int64_t carry2; - int64_t carry3; - int64_t carry4; - int64_t carry5; - int64_t carry6; - int64_t carry7; - int64_t carry8; - int64_t carry9; - - carry9 = h9 + BIT(24); h0 += (carry9 >> 25) * 19; h9 -= carry9 & kTop39Bits; - carry1 = h1 + BIT(24); h2 += carry1 >> 25; h1 -= carry1 & kTop39Bits; - carry3 = h3 + BIT(24); h4 += carry3 >> 25; h3 -= carry3 & kTop39Bits; - carry5 = h5 + BIT(24); h6 += carry5 >> 25; h5 -= carry5 & kTop39Bits; - carry7 = h7 + BIT(24); h8 += carry7 >> 25; h7 -= carry7 & kTop39Bits; - - carry0 = h0 + BIT(25); h1 += carry0 >> 26; h0 -= carry0 & kTop38Bits; - carry2 = h2 + BIT(25); h3 += carry2 >> 26; h2 -= carry2 & kTop38Bits; - carry4 = h4 + BIT(25); h5 += carry4 >> 26; h4 -= carry4 & kTop38Bits; - carry6 = h6 + BIT(25); h7 += carry6 >> 26; h6 -= carry6 & kTop38Bits; - carry8 = h8 + BIT(25); h9 += carry8 >> 26; h8 -= carry8 & kTop38Bits; - - h[0] = h0; - h[1] = h1; - h[2] = h2; - h[3] = h3; - h[4] = h4; - h[5] = h5; - h[6] = h6; - h[7] = h7; - h[8] = h8; - h[9] = h9; -} - -void x25519_scalar_mult(uint8_t out[32], - const uint8_t scalar[32], - const uint8_t point[32]) { - fe x1, x2, z2, x3, z3, tmp0, tmp1; - unsigned swap; - int pos; - - uint8_t e[32]; - memcpy(e, scalar, 32); - e[0] &= 248; - e[31] &= 127; - e[31] |= 64; - fe_frombytes(x1, point); - fe_1(x2); - fe_0(z2); - fe_copy(x3, x1); - fe_1(z3); - - swap = 0; - for (pos = 254; pos >= 0; --pos) { - unsigned b = 1 & (e[pos / 8] >> (pos & 7)); - swap ^= b; - fe_cswap(x2, x3, swap); - fe_cswap(z2, z3, swap); - swap = b; - fe_sub(tmp0, x3, z3); - fe_sub(tmp1, x2, z2); - fe_add(x2, x2, z2); - fe_add(z2, x3, z3); - fe_mul(z3, tmp0, x2); - fe_mul(z2, z2, tmp1); - fe_sq(tmp0, tmp1); - fe_sq(tmp1, x2); - fe_add(x3, z3, z2); - fe_sub(z2, z3, z2); - fe_mul(x2, tmp1, tmp0); - fe_sub(tmp1, tmp1, tmp0); - fe_sq(z2, z2); - fe_mul121666(z3, tmp1); - fe_sq(x3, x3); - fe_add(tmp0, tmp0, z3); - fe_mul(z3, x1, z2); - fe_mul(z2, tmp1, tmp0); - } - fe_cswap(x2, x3, swap); - fe_cswap(z2, z3, swap); - - fe_invert(z2, z2); - fe_mul(x2, x2, z2); - fe_tobytes(out, x2); -} diff --git a/third_party/boringssl/common/curve25519.c b/third_party/boringssl/common/curve25519.c deleted file mode 100644 index 2a7fad6509..0000000000 --- a/third_party/boringssl/common/curve25519.c +++ /dev/null @@ -1,65 +0,0 @@ -/* Copyright 2015, Google Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ - -/* This code is mostly taken from the ref10 version of Ed25519 in SUPERCOP - * 20141124 (http://bench.cr.yp.to/supercop.html). That code is released as - * public domain but this file has the ISC license just to keep licencing - * simple. - * - * The field functions are shared by Ed25519 and X25519 where possible. */ - -#include "common.h" -#include "curve25519.h" -#include "trng.h" -#include "util.h" -#define CRYPTO_memcmp safe_memcmp - -#ifdef CONFIG_RNG -void X25519_keypair(uint8_t out_public_value[32], uint8_t out_private_key[32]) { - rand_bytes(out_private_key, 32); - - /* All X25519 implementations should decode scalars correctly (see - * https://tools.ietf.org/html/rfc7748#section-5). However, if an - * implementation doesn't then it might interoperate with random keys a - * fraction of the time because they'll, randomly, happen to be correctly - * formed. - * - * Thus we do the opposite of the masking here to make sure that our private - * keys are never correctly masked and so, hopefully, any incorrect - * implementations are deterministically broken. - * - * This does not affect security because, although we're throwing away - * entropy, a valid implementation of scalarmult should throw away the exact - * same bits anyway. */ - out_private_key[0] |= 7; - out_private_key[31] &= 63; - out_private_key[31] |= 128; - - X25519_public_from_private(out_public_value, out_private_key); -} -#endif - -int X25519(uint8_t out_shared_key[32], const uint8_t private_key[32], - const uint8_t peer_public_value[32]) { - static const uint8_t kZeros[32] = {0}; - x25519_scalar_mult(out_shared_key, private_key, peer_public_value); - /* The all-zero output results when the input is a point of small order. */ - return CRYPTO_memcmp(kZeros, out_shared_key, 32) != 0; -} - -void X25519_public_from_private(uint8_t out_public_value[32], - const uint8_t private_key[32]) { - static const uint8_t kMongomeryBasePoint[32] = {9}; - x25519_scalar_mult(out_public_value, private_key, kMongomeryBasePoint); -} |