providers/default/digests/md5_sha1.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
  11 #include <string.h>
  12 #include <openssl/crypto.h>
  13 #include <openssl/evp.h>
  14 #include <openssl/params.h>
  15 #include <openssl/core_names.h>
  16 #include "internal/core_mkdigest.h"
  17 #include "internal/md5_sha1.h"
  18 #include "internal/provider_algs.h"
  19
  20 static OSSL_OP_digest_set_params_fn md5_sha1_set_params;
  21
  22 /* Special set_params method for SSL3 */
  23 static int md5_sha1_set_params(void *vctx, const OSSL_PARAM params[])
  24 {
  25     int cmd = 0;
  26     size_t msg_len = 0;
  27     const void *msg = NULL;
  28     const OSSL_PARAM *p;
  29     MD5_SHA1_CTX *ctx = (MD5_SHA1_CTX *)vctx;
  30
  31     if (ctx != NULL && params != NULL) {
  32         p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_CMD);
  33         if (p != NULL && !OSSL_PARAM_get_int(p, &cmd))
  34             return 0;
  35         p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_MSG);
  36         if (p != NULL && !OSSL_PARAM_get_octet_ptr(p, &msg, &msg_len))
  37             return 0;
  38         return md5_sha1_ctrl(ctx, cmd, msg_len, (void *)msg);
  39     }
  40     return 0;
  41 }
  42
  43 OSSL_FUNC_DIGEST_CONSTRUCT_PARAMS(md5_sha1, MD5_SHA1_CTX,
  44                                   MD5_SHA1_CBLOCK, MD5_SHA1_DIGEST_LENGTH,
  45                                   md5_sha1_init, md5_sha1_update, md5_sha1_final,
  46                                   md5_sha1_set_params)