xref: /freebsd/sys/crypto/openssl/ossl_sha1.c (revision aa1a8ff2d6dbc51ef058f46f3db5a8bb77967145)
1 /*
2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <sys/cdefs.h>
11 #include <sys/libkern.h>
12 #include <sys/malloc.h>
13 
14 #include <opencrypto/cryptodev.h>
15 #include <opencrypto/xform_auth.h>
16 
17 #include <crypto/openssl/ossl.h>
18 #include <crypto/openssl/ossl_sha.h>
19 
20 /* sha1-x86_64.S */
21 void sha1_block_data_order(SHA_CTX *c, const void *p, size_t len);
22 
23 /* From crypto/sha/sha_local.h */
24 #define DATA_ORDER_IS_BIG_ENDIAN
25 
26 #define HASH_LONG               SHA_LONG
27 #define HASH_CTX                SHA_CTX
28 #define HASH_CBLOCK             SHA_CBLOCK
29 #define HASH_MAKE_STRING(c,s)   do {    \
30         unsigned long ll;               \
31         ll=(c)->h0; (void)HOST_l2c(ll,(s));     \
32         ll=(c)->h1; (void)HOST_l2c(ll,(s));     \
33         ll=(c)->h2; (void)HOST_l2c(ll,(s));     \
34         ll=(c)->h3; (void)HOST_l2c(ll,(s));     \
35         ll=(c)->h4; (void)HOST_l2c(ll,(s));     \
36         } while (0)
37 
38 #define HASH_UPDATE                     ossl_sha1_update
39 #define HASH_FINAL                      ossl_sha1_final
40 #define HASH_INIT                       ossl_sha1_init
41 #define HASH_BLOCK_DATA_ORDER           sha1_block_data_order
42 
43 #define INIT_DATA_h0 0x67452301UL
44 #define INIT_DATA_h1 0xefcdab89UL
45 #define INIT_DATA_h2 0x98badcfeUL
46 #define INIT_DATA_h3 0x10325476UL
47 #define INIT_DATA_h4 0xc3d2e1f0UL
48 
49 static void
50 HASH_INIT(void *c_)
51 {
52     SHA_CTX *c = c_;
53     memset(c, 0, sizeof(*c));
54     c->h0 = INIT_DATA_h0;
55     c->h1 = INIT_DATA_h1;
56     c->h2 = INIT_DATA_h2;
57     c->h3 = INIT_DATA_h3;
58     c->h4 = INIT_DATA_h4;
59 }
60 
61 #include "ossl_hash.h"
62 
63 struct auth_hash ossl_hash_sha1 = {
64 	.type = CRYPTO_SHA1,
65 	.name = "OpenSSL-SHA1",
66 	.hashsize = SHA1_HASH_LEN,
67 	.ctxsize = sizeof(SHA_CTX),
68 	.blocksize = SHA1_BLOCK_LEN,
69 	.Init = HASH_INIT,
70 	.Update = HASH_UPDATE,
71 	.Final = HASH_FINAL,
72 };
73 
74 _Static_assert(sizeof(SHA_CTX) <= sizeof(struct ossl_hash_context),
75     "ossl_hash_context too small");
76