mirror of
https://github.com/openssl/openssl.git
synced 2024-12-15 06:01:37 +08:00
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/*
|
|
* Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (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 <stdio.h>
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/evp.h>
|
|
#include <openssl/cmac.h>
|
|
#include "internal/asn1_int.h"
|
|
|
|
/*
|
|
* CMAC "ASN1" method. This is just here to indicate the maximum CMAC output
|
|
* length and to free up a CMAC key.
|
|
*/
|
|
|
|
static int cmac_size(const EVP_PKEY *pkey)
|
|
{
|
|
return EVP_MAX_BLOCK_LENGTH;
|
|
}
|
|
|
|
static void cmac_key_free(EVP_PKEY *pkey)
|
|
{
|
|
CMAC_CTX *cmctx = EVP_PKEY_get0(pkey);
|
|
CMAC_CTX_free(cmctx);
|
|
}
|
|
|
|
const EVP_PKEY_ASN1_METHOD cmac_asn1_meth = {
|
|
EVP_PKEY_CMAC,
|
|
EVP_PKEY_CMAC,
|
|
0,
|
|
|
|
"CMAC",
|
|
"OpenSSL CMAC method",
|
|
|
|
0, 0, 0, 0,
|
|
|
|
0, 0, 0,
|
|
|
|
cmac_size,
|
|
0, 0,
|
|
0, 0, 0, 0, 0, 0, 0,
|
|
|
|
cmac_key_free,
|
|
0,
|
|
0, 0
|
|
};
|