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/*
* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "inner.h"
/*
* This file contains the encoded OID for the standard hash functions.
* Such OID appear in, for instance, the PKCS#1 v1.5 padding for RSA
* signatures.
*/
static const unsigned char md5_OID[] = {
0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x02, 0x05
};
static const unsigned char sha1_OID[] = {
0x2B, 0x0E, 0x03, 0x02, 0x1A
};
static const unsigned char sha224_OID[] = {
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x04
};
static const unsigned char sha256_OID[] = {
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01
};
static const unsigned char sha384_OID[] = {
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02
};
static const unsigned char sha512_OID[] = {
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03
};
/* see inner.h */
const unsigned char *
br_digest_OID(int digest_id, size_t *len)
{
switch (digest_id) {
case br_md5_ID:
*len = sizeof md5_OID;
return md5_OID;
case br_sha1_ID:
*len = sizeof sha1_OID;
return sha1_OID;
case br_sha224_ID:
*len = sizeof sha224_OID;
return sha224_OID;
case br_sha256_ID:
*len = sizeof sha256_OID;
return sha256_OID;
case br_sha384_ID:
*len = sizeof sha384_OID;
return sha384_OID;
case br_sha512_ID:
*len = sizeof sha512_OID;
return sha512_OID;
default:
*len = 0;
return NULL;
}
}
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