providers/common/digests/sha2.c

   1 /*
   2  * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 <openssl/crypto.h>
  11 #include <openssl/core_numbers.h>
  12 #include <openssl/sha.h>
  13 #include <openssl/params.h>
  14 #include <openssl/core_names.h>
  15 #include "internal/core_mkdigest.h"
  16 #include "internal/provider_algs.h"
  17 #include "internal/sha.h"
  18
  19 static OSSL_OP_digest_set_params_fn sha1_set_params;
  20
  21 /* Special set_params method for SSL3 */
  22 static int sha1_set_params(void *vctx, const OSSL_PARAM params[])
  23 {
  24     int cmd = 0;
  25     size_t msg_len = 0;
  26     const void *msg = NULL;
  27     const OSSL_PARAM *p;
  28     SHA_CTX *ctx = (SHA_CTX *)vctx;
  29
  30     if (ctx != NULL && params != NULL) {
  31         p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_CMD);
  32         if (p != NULL && !OSSL_PARAM_get_int(p, &cmd))
  33             return 0;
  34         p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_MSG);
  35         if (p != NULL && !OSSL_PARAM_get_octet_ptr(p, &msg, &msg_len))
  36             return 0;
  37         return sha1_ctrl(ctx, cmd, msg_len, (void *)msg);
  38     }
  39     return 0;
  40 }
  41
  42 OSSL_FUNC_DIGEST_CONSTRUCT_PARAMS(sha1, SHA_CTX,
  43                            SHA_CBLOCK, SHA_DIGEST_LENGTH,
  44                            SHA1_Init, SHA1_Update, SHA1_Final,
  45                            sha1_set_params)
  46
  47 OSSL_FUNC_DIGEST_CONSTRUCT(sha224, SHA256_CTX,
  48                            SHA256_CBLOCK, SHA224_DIGEST_LENGTH,
  49                            SHA224_Init, SHA224_Update, SHA224_Final)
  50
  51 OSSL_FUNC_DIGEST_CONSTRUCT(sha256, SHA256_CTX,
  52                            SHA256_CBLOCK, SHA256_DIGEST_LENGTH,
  53                            SHA256_Init, SHA256_Update, SHA256_Final)
  54
  55 OSSL_FUNC_DIGEST_CONSTRUCT(sha384, SHA512_CTX,
  56                            SHA512_CBLOCK, SHA384_DIGEST_LENGTH,
  57                            SHA384_Init, SHA384_Update, SHA384_Final)
  58
  59 OSSL_FUNC_DIGEST_CONSTRUCT(sha512, SHA512_CTX,
  60                            SHA512_CBLOCK, SHA512_DIGEST_LENGTH,
  61                            SHA512_Init, SHA512_Update, SHA512_Final)
  62
  63 OSSL_FUNC_DIGEST_CONSTRUCT(sha512_224, SHA512_CTX,
  64                            SHA512_CBLOCK, SHA224_DIGEST_LENGTH,
  65                            sha512_224_init, SHA512_Update, SHA512_Final)
  66
  67 OSSL_FUNC_DIGEST_CONSTRUCT(sha512_256, SHA512_CTX,
  68                            SHA512_CBLOCK, SHA256_DIGEST_LENGTH,
  69                            sha512_256_init, SHA512_Update, SHA512_Final)
  70