providers/common/der/der_dsa_sig.c

   1 /*
   2  * Copyright 2020 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/obj_mac.h>
  11 #include "internal/packet.h"
  12 #include "prov/der_dsa.h"
  13
  14 #define MD_CASE(name)                                                   \
  15     case NID_##name:                                                    \
  16         precompiled = der_oid_id_dsa_with_##name;                \
  17         precompiled_sz = sizeof(der_oid_id_dsa_with_##name);     \
  18         break;
  19
  20 int DER_w_algorithmIdentifier_DSA_with_MD(WPACKET *pkt, int tag,
  21                                           DSA *dsa, int mdnid)
  22 {
  23     const unsigned char *precompiled = NULL;
  24     size_t precompiled_sz = 0;
  25
  26     switch (mdnid) {
  27         MD_CASE(sha1);
  28         MD_CASE(sha224);
  29         MD_CASE(sha256);
  30         MD_CASE(sha384);
  31         MD_CASE(sha512);
  32         MD_CASE(sha3_224);
  33         MD_CASE(sha3_256);
  34         MD_CASE(sha3_384);
  35         MD_CASE(sha3_512);
  36     default:
  37         return 0;
  38     }
  39
  40     return DER_w_begin_sequence(pkt, tag)
  41         /* No parameters (yet?) */
  42         && DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
  43         && DER_w_end_sequence(pkt, tag);
  44 }