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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
| };
|
|
