1 /* crypto/cmac/cmac.h */
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2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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5 /* ====================================================================
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6 * Copyright (c) 2010 The OpenSSL Project. All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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12 * 1. Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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15 * 2. Redistributions in binary form must reproduce the above copyright
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16 * notice, this list of conditions and the following disclaimer in
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17 * the documentation and/or other materials provided with the
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20 * 3. All advertising materials mentioning features or use of this
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21 * software must display the following acknowledgment:
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22 * "This product includes software developed by the OpenSSL Project
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23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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26 * endorse or promote products derived from this software without
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27 * prior written permission. For written permission, please contact
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28 * licensing@OpenSSL.org.
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30 * 5. Products derived from this software may not be called "OpenSSL"
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31 * nor may "OpenSSL" appear in their names without prior written
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32 * permission of the OpenSSL Project.
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34 * 6. Redistributions of any form whatsoever must retain the following
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36 * "This product includes software developed by the OpenSSL Project
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37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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50 * OF THE POSSIBILITY OF SUCH DAMAGE.
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51 * ====================================================================
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55 #ifndef HEADER_CMAC_H
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56 #define HEADER_CMAC_H
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62 #include <openssl/evp.h>
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65 typedef struct CMAC_CTX_st CMAC_CTX;
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67 CMAC_CTX *CMAC_CTX_new(void);
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68 void CMAC_CTX_cleanup(CMAC_CTX *ctx);
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69 void CMAC_CTX_free(CMAC_CTX *ctx);
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70 EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx);
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71 int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in);
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73 int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
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74 const EVP_CIPHER *cipher, ENGINE *impl);
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75 int CMAC_Update(CMAC_CTX *ctx, const void *data, size_t dlen);
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76 int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen);
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77 int CMAC_resume(CMAC_CTX *ctx);
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