1 /* $OpenBSD: sha256_amd64.c,v 1.2 2024/11/16 15:31:36 jsing Exp $ */ 2 /* 3 * Copyright (c) 2024 Joel Sing <jsing@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #include <openssl/sha.h> 19 20 #include "crypto_arch.h" 21 22 void sha256_block_generic(SHA256_CTX *ctx, const void *in, size_t num); 23 void sha256_block_shani(SHA256_CTX *ctx, const void *in, size_t num); 24 25 void 26 sha256_block_data_order(SHA256_CTX *ctx, const void *in, size_t num) 27 { 28 if ((crypto_cpu_caps_amd64 & CRYPTO_CPU_CAPS_AMD64_SHA) != 0) { 29 sha256_block_shani(ctx, in, num); 30 return; 31 } 32 33 sha256_block_generic(ctx, in, num); 34 } 35