providers/common/der/der_dsa.c.in

   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/bn.h>
  11 #include <openssl/obj_mac.h>
  12 #include "prov/der_dsa.h"
  13
  14 /* Well known OIDs precompiled */
  15 {-
  16     $OUT = oids_to_c::process_leaves('providers/common/der/DSA.asn1',
  17                                      { dir => $config{sourcedir},
  18                                        filter => \&oids_to_c::filter_to_C });
  19 -}
  20
  21 int DER_w_algorithmIdentifier_DSA(WPACKET *pkt, int tag, DSA *dsa)
  22 {
  23     return DER_w_begin_sequence(pkt, tag)
  24         /* No parameters (yet?) */
  25         && DER_w_precompiled(pkt, -1, der_oid_id_dsa, sizeof(der_oid_id_dsa))
  26         && DER_w_end_sequence(pkt, tag);
  27 }
  28
  29 #define MD_CASE(name)                                                   \
  30     case NID_##name:                                                    \
  31         precompiled = der_oid_id_dsa_with_##name;                \
  32         precompiled_sz = sizeof(der_oid_id_dsa_with_##name);     \
  33         break;
  34
  35 int DER_w_algorithmIdentifier_DSA_with(WPACKET *pkt, int tag,
  36                                        DSA *dsa, int mdnid)
  37 {
  38     const unsigned char *precompiled = NULL;
  39     size_t precompiled_sz = 0;
  40
  41     switch (mdnid) {
  42         MD_CASE(sha1);
  43         MD_CASE(sha224);
  44         MD_CASE(sha256);
  45         MD_CASE(sha384);
  46         MD_CASE(sha512);
  47         MD_CASE(sha3_224);
  48         MD_CASE(sha3_256);
  49         MD_CASE(sha3_384);
  50         MD_CASE(sha3_512);
  51     default:
  52         return 0;
  53     }
  54
  55     return DER_w_begin_sequence(pkt, tag)
  56         /* No parameters (yet?) */
  57         && DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
  58         && DER_w_end_sequence(pkt, tag);
  59 }