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/* $OpenBSD: cm_ameth.c,v 1.7 2014/07/12 16:03:37 miod Exp $ */ |
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
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* project 2010. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2010 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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*/ |
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#include <stdio.h> |
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#include <openssl/cmac.h> |
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#include <openssl/evp.h> |
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#include "asn1_locl.h" |
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/* CMAC "ASN1" method. This is just here to indicate the |
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* maximum CMAC output length and to free up a CMAC |
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* key. |
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*/ |
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static int |
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cmac_size(const EVP_PKEY *pkey) |
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{ |
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return EVP_MAX_BLOCK_LENGTH; |
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} |
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static void |
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cmac_key_free(EVP_PKEY *pkey) |
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{ |
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CMAC_CTX *cmctx = (CMAC_CTX *)pkey->pkey.ptr; |
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CMAC_CTX_free(cmctx); |
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} |
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const EVP_PKEY_ASN1_METHOD cmac_asn1_meth = { |
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.pkey_id = EVP_PKEY_CMAC, |
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.pkey_base_id = EVP_PKEY_CMAC, |
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.pem_str = "CMAC", |
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.info = "OpenSSL CMAC method", |
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.pkey_size = cmac_size, |
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.pkey_free = cmac_key_free |
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}; |