xref: /openbsd-src/lib/libcrypto/sha/sha1_amd64.c (revision 90c5a28a234a7c9dafadae52b48e2f18c641c839)
1*90c5a28aSjsing /* $OpenBSD: sha1_amd64.c,v 1.2 2024/12/06 11:57:18 jsing Exp $ */
2a61493a0Sjsing /*
3a61493a0Sjsing  * Copyright (c) 2024 Joel Sing <jsing@openbsd.org>
4a61493a0Sjsing  *
5a61493a0Sjsing  * Permission to use, copy, modify, and distribute this software for any
6a61493a0Sjsing  * purpose with or without fee is hereby granted, provided that the above
7a61493a0Sjsing  * copyright notice and this permission notice appear in all copies.
8a61493a0Sjsing  *
9a61493a0Sjsing  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10a61493a0Sjsing  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11a61493a0Sjsing  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12a61493a0Sjsing  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13a61493a0Sjsing  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14a61493a0Sjsing  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15a61493a0Sjsing  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16a61493a0Sjsing  */
17a61493a0Sjsing 
18a61493a0Sjsing #include <openssl/sha.h>
19a61493a0Sjsing 
20a61493a0Sjsing #include "crypto_arch.h"
21a61493a0Sjsing 
22a61493a0Sjsing void sha1_block_generic(SHA_CTX *ctx, const void *in, size_t num);
23*90c5a28aSjsing void sha1_block_shani(SHA_CTX *ctx, const void *in, size_t num);
24a61493a0Sjsing 
25a61493a0Sjsing void
26a61493a0Sjsing sha1_block_data_order(SHA_CTX *ctx, const void *in, size_t num)
27a61493a0Sjsing {
28*90c5a28aSjsing 	if ((crypto_cpu_caps_amd64 & CRYPTO_CPU_CAPS_AMD64_SHA) != 0) {
29*90c5a28aSjsing 		sha1_block_shani(ctx, in, num);
30*90c5a28aSjsing 		return;
31*90c5a28aSjsing 	}
32*90c5a28aSjsing 
33a61493a0Sjsing 	sha1_block_generic(ctx, in, num);
34a61493a0Sjsing }
35