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103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/* crypto/cbcmac/cbcmac.h */
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/* ====================================================================
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* Copyright (c) 2014 - 2015 The GmSSL 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 GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL 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 GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL 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 GmSSL 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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*/
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/* Note:
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* 1. CBC-MAC should be only used for fixed-length message
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* 2. the message length should be multiple of block size
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* 3. the implementation do not add padding
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*/
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#ifndef HEADER_CBCMAC_H
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#define HEADER_CBCMAC_H
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#include <openssl/evp.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct CBCMAC_CTX_st CBCMAC_CTX;
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CBCMAC_CTX *CBCMAC_CTX_new(void);
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void CBCMAC_CTX_cleanup(CBCMAC_CTX *ctx);
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void CBCMAC_CTX_free(CBCMAC_CTX *ctx);
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EVP_CIPHER_CTX *CBCMAC_CTX_get0_cipher_ctx(CBCMAC_CTX *ctx);
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int CBCMAC_CTX_copy(CBCMAC_CTX *to, const CBCMAC_CTX *from);
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int CBCMAC_Init(CBCMAC_CTX *ctx, const void *key, size_t keylen,
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const EVP_CIPHER *cipher, ENGINE *impl);
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int CBCMAC_Update(CBCMAC_CTX *ctx, const void *data, size_t datalen);
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int CBCMAC_Final(CBCMAC_CTX *ctx, unsigned char *out, size_t *outlen);
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int CBCMAC_resume(CBCMAC_CTX *ctx);
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/* BEGIN ERROR CODES */
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/*
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* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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void ERR_load_CBCMAC_strings(void);
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/* Error codes for the CBCMAC functions. */
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/* Function codes. */
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# define CBCMAC_F_CBCMAC_FINAL 100
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# define CBCMAC_F_CBCMAC_INIT 101
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# define CBCMAC_F_CBCMAC_UPDATE 102
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/* Reason codes. */
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# define CBCMAC_R_CIPHER_CTX_INIT_FAILED 100
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# define CBCMAC_R_CIPHER_NOT_ECB_MODE 101
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#ifdef __cplusplus
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}
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#endif
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#endif
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