providers/legacy/digests/mdc2_prov.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/params.h>
  12 #include <openssl/mdc2.h>
  13 #include <openssl/core_names.h>
  14
  15 #include "internal/core_mkdigest.h"
  16 #include "internal/provider_algs.h"
  17
  18 static OSSL_OP_digest_ctx_set_params_fn mdc2_set_params;
  19
  20 static int mdc2_set_params(void *vctx, const OSSL_PARAM params[])
  21 {
  22     const OSSL_PARAM *p;
  23     MDC2_CTX *ctx = (MDC2_CTX *)vctx;
  24
  25     if (ctx != NULL && params != NULL) {
  26         p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_PAD_TYPE);
  27         if (p != NULL && !OSSL_PARAM_get_int(p, &ctx->pad_type))
  28             return 0;
  29         return 1;
  30     }
  31     return 0; /* Null Parameter */
  32 }
  33
  34 OSSL_FUNC_DIGEST_CONSTRUCT_PARAMS(mdc2, MDC2_CTX,
  35                                   MDC2_BLOCK, MDC2_DIGEST_LENGTH, 0,
  36                                   MDC2_Init, MDC2_Update, MDC2_Final,
  37                                   mdc2_set_params)