1238384Sjkim/* crypto/cmac/cmac.h */ 2238384Sjkim/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3238384Sjkim * project. 4238384Sjkim */ 5238384Sjkim/* ==================================================================== 6238384Sjkim * Copyright (c) 2010 The OpenSSL Project. All rights reserved. 7238384Sjkim * 8238384Sjkim * Redistribution and use in source and binary forms, with or without 9238384Sjkim * modification, are permitted provided that the following conditions 10238384Sjkim * are met: 11238384Sjkim * 12238384Sjkim * 1. Redistributions of source code must retain the above copyright 13238384Sjkim * notice, this list of conditions and the following disclaimer. 14238384Sjkim * 15238384Sjkim * 2. Redistributions in binary form must reproduce the above copyright 16238384Sjkim * notice, this list of conditions and the following disclaimer in 17238384Sjkim * the documentation and/or other materials provided with the 18238384Sjkim * distribution. 19238384Sjkim * 20238384Sjkim * 3. All advertising materials mentioning features or use of this 21238384Sjkim * software must display the following acknowledgment: 22238384Sjkim * "This product includes software developed by the OpenSSL Project 23238384Sjkim * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24238384Sjkim * 25238384Sjkim * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26238384Sjkim * endorse or promote products derived from this software without 27238384Sjkim * prior written permission. For written permission, please contact 28238384Sjkim * licensing@OpenSSL.org. 29238384Sjkim * 30238384Sjkim * 5. Products derived from this software may not be called "OpenSSL" 31238384Sjkim * nor may "OpenSSL" appear in their names without prior written 32238384Sjkim * permission of the OpenSSL Project. 33238384Sjkim * 34238384Sjkim * 6. Redistributions of any form whatsoever must retain the following 35238384Sjkim * acknowledgment: 36238384Sjkim * "This product includes software developed by the OpenSSL Project 37238384Sjkim * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38238384Sjkim * 39238384Sjkim * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40238384Sjkim * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41238384Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42238384Sjkim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43238384Sjkim * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44238384Sjkim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45238384Sjkim * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46238384Sjkim * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47238384Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48238384Sjkim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49238384Sjkim * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50238384Sjkim * OF THE POSSIBILITY OF SUCH DAMAGE. 51238384Sjkim * ==================================================================== 52238384Sjkim */ 53238384Sjkim 54238384Sjkim 55238384Sjkim#ifndef HEADER_CMAC_H 56238384Sjkim#define HEADER_CMAC_H 57238384Sjkim 58238384Sjkim#ifdef __cplusplus 59238384Sjkimextern "C" { 60238384Sjkim#endif 61238384Sjkim 62238384Sjkim#include <openssl/evp.h> 63238384Sjkim 64238384Sjkim/* Opaque */ 65238384Sjkimtypedef struct CMAC_CTX_st CMAC_CTX; 66238384Sjkim 67238384SjkimCMAC_CTX *CMAC_CTX_new(void); 68238384Sjkimvoid CMAC_CTX_cleanup(CMAC_CTX *ctx); 69238384Sjkimvoid CMAC_CTX_free(CMAC_CTX *ctx); 70238384SjkimEVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx); 71238384Sjkimint CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in); 72238384Sjkim 73238384Sjkimint CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen, 74238384Sjkim const EVP_CIPHER *cipher, ENGINE *impl); 75238384Sjkimint CMAC_Update(CMAC_CTX *ctx, const void *data, size_t dlen); 76238384Sjkimint CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen); 77238384Sjkimint CMAC_resume(CMAC_CTX *ctx); 78238384Sjkim 79238384Sjkim#ifdef __cplusplus 80238384Sjkim} 81238384Sjkim#endif 82238384Sjkim#endif 83