providers/common/digests/digest_common.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/err.h"
  11 #include "prov/digestcommon.h"
  12 #include "internal/providercommonerr.h"
  13
  14 int digest_default_get_params(OSSL_PARAM params[], size_t blksz, size_t paramsz,
  15                               unsigned long flags)
  16 {
  17     OSSL_PARAM *p = NULL;
  18
  19     p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_BLOCK_SIZE);
  20     if (p != NULL && !OSSL_PARAM_set_size_t(p, blksz)) {
  21         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
  22         return 0;
  23     }
  24     p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);
  25     if (p != NULL && !OSSL_PARAM_set_size_t(p, paramsz)) {
  26         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
  27         return 0;
  28     }
  29     p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_FLAGS);
  30     if (p != NULL && !OSSL_PARAM_set_ulong(p, flags)) {
  31         ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
  32         return 0;
  33     }
  34     return 1;
  35 }
  36
  37 static const OSSL_PARAM digest_default_known_gettable_params[] = {
  38     OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_BLOCK_SIZE, NULL),
  39     OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_SIZE, NULL),
  40     OSSL_PARAM_ulong(OSSL_DIGEST_PARAM_FLAGS, NULL),
  41     OSSL_PARAM_END
  42 };
  43 const OSSL_PARAM *digest_default_gettable_params(void)
  44 {
  45     return digest_default_known_gettable_params;
  46 }