sys/crypto/openssl/ossl_sha1.c

   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 __FBSDID("$FreeBSD$");
  12
  13 #include <sys/libkern.h>
  14 #include <sys/malloc.h>
  15
  16 #include <opencrypto/cryptodev.h>
  17 #include <opencrypto/xform_auth.h>
  18
  19 #include <crypto/openssl/ossl.h>
  20 #include <crypto/openssl/ossl_sha.h>
  21
  22 /* sha1-x86_64.S */
  23 void sha1_block_data_order(SHA_CTX *c, const void *p, size_t len);
  24
  25 /* From crypto/sha/sha_local.h */
  26 #define DATA_ORDER_IS_BIG_ENDIAN
  27
  28 #define HASH_LONG               SHA_LONG
  29 #define HASH_CTX                SHA_CTX
  30 #define HASH_CBLOCK             SHA_CBLOCK
  31 #define HASH_MAKE_STRING(c,s)   do {    \
  32         unsigned long ll;               \
  33         ll=(c)->h0; (void)HOST_l2c(ll,(s));     \
  34         ll=(c)->h1; (void)HOST_l2c(ll,(s));     \
  35         ll=(c)->h2; (void)HOST_l2c(ll,(s));     \
  36         ll=(c)->h3; (void)HOST_l2c(ll,(s));     \
  37         ll=(c)->h4; (void)HOST_l2c(ll,(s));     \
  38         } while (0)
  39
  40 #define HASH_UPDATE                     ossl_sha1_update
  41 #define HASH_FINAL                      ossl_sha1_final
  42 #define HASH_INIT                       ossl_sha1_init
  43 #define HASH_BLOCK_DATA_ORDER           sha1_block_data_order
  44
  45 #define INIT_DATA_h0 0x67452301UL
  46 #define INIT_DATA_h1 0xefcdab89UL
  47 #define INIT_DATA_h2 0x98badcfeUL
  48 #define INIT_DATA_h3 0x10325476UL
  49 #define INIT_DATA_h4 0xc3d2e1f0UL
  50
  51 static void
  52 HASH_INIT(void *c_)
  53 {
  54     SHA_CTX *c = c_;
  55     memset(c, 0, sizeof(*c));
  56     c->h0 = INIT_DATA_h0;
  57     c->h1 = INIT_DATA_h1;
  58     c->h2 = INIT_DATA_h2;
  59     c->h3 = INIT_DATA_h3;
  60     c->h4 = INIT_DATA_h4;
  61 }
  62
  63 #include "ossl_hash.h"
  64
  65 struct auth_hash ossl_hash_sha1 = {
  66         .type = CRYPTO_SHA1,
  67         .name = "OpenSSL-SHA1",
  68         .hashsize = SHA1_HASH_LEN,
  69         .ctxsize = sizeof(SHA_CTX),
  70         .blocksize = SHA1_BLOCK_LEN,
  71         .Init = HASH_INIT,
  72         .Update = HASH_UPDATE,
  73         .Final = HASH_FINAL,
  74 };
  75
  76 _Static_assert(sizeof(SHA_CTX) <= sizeof(struct ossl_hash_context),
  77     "ossl_hash_context too small");