openssl/crypto/dsa/dsa_aid.c
2020-01-28 08:08:22 +01:00

66 lines
2.2 KiB
C

/*
* Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdlib.h>
#include <openssl/objects.h>
#include "crypto/dsa.h"
#define ASN1_SEQUENCE 0x30
#define ASN1_OID 0x06
/* dsaWithSHA OIDs are of the form: (1 3 14 3 2 |n|) */
#define ENCODE_ALGORITHMIDENTIFIER_SHA(name, n) \
static const unsigned char algorithmidentifier_##name##_der[] = { \
ASN1_SEQUENCE, 0x07, \
ASN1_OID, 0x05, 1 * 40 + 3, 14, 3, 2, n \
}
ENCODE_ALGORITHMIDENTIFIER_SHA(sha, 13);
ENCODE_ALGORITHMIDENTIFIER_SHA(sha1, 27);
/* dsaWithSHA OIDs are of the form: (2 16 840 1 101 3 4 3 |n|) */
#define ENCODE_ALGORITHMIDENTIFIER_SHAx(name, n) \
static const unsigned char algorithmidentifier_##name##_der[] = { \
ASN1_SEQUENCE, 0x0b, \
ASN1_OID, 0x09, 2 * 40 + 16, 0x86, 0x48, 1, 101, 3, 4, 3, n \
}
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha224, 1);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha256, 2);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha384, 3);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha512, 4);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_224, 5);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_256, 6);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_384, 7);
ENCODE_ALGORITHMIDENTIFIER_SHAx(sha3_512, 8);
#define MD_CASE(name) \
case NID_##name: \
*len = sizeof(algorithmidentifier_##name##_der); \
return algorithmidentifier_##name##_der
const unsigned char *dsa_algorithmidentifier_encoding(int md_nid, size_t *len)
{
switch (md_nid) {
MD_CASE(sha);
MD_CASE(sha1);
MD_CASE(sha224);
MD_CASE(sha256);
MD_CASE(sha384);
MD_CASE(sha512);
MD_CASE(sha3_224);
MD_CASE(sha3_256);
MD_CASE(sha3_384);
MD_CASE(sha3_512);
default:
return NULL;
}
}