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/*
* 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 "crypto/asn1.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
};
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