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260d08b8 | 1 | /* crypto/cmac/cmac.h */ |
ae5c8664 MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
260d08b8 DSH |
4 | * project. |
5 | */ | |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2010 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
ae5c8664 | 14 | * notice, this list of conditions and the following disclaimer. |
260d08b8 DSH |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | */ | |
54 | ||
260d08b8 | 55 | #ifndef HEADER_CMAC_H |
ae5c8664 | 56 | # define HEADER_CMAC_H |
260d08b8 DSH |
57 | |
58 | #ifdef __cplusplus | |
59 | extern "C" { | |
60 | #endif | |
61 | ||
ae5c8664 | 62 | # include <openssl/evp.h> |
260d08b8 DSH |
63 | |
64 | /* Opaque */ | |
65 | typedef struct CMAC_CTX_st CMAC_CTX; | |
66 | ||
67 | CMAC_CTX *CMAC_CTX_new(void); | |
68 | void CMAC_CTX_cleanup(CMAC_CTX *ctx); | |
69 | void CMAC_CTX_free(CMAC_CTX *ctx); | |
70 | EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx); | |
71 | int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in); | |
72 | ||
ae5c8664 MC |
73 | int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen, |
74 | const EVP_CIPHER *cipher, ENGINE *impl); | |
260d08b8 DSH |
75 | int CMAC_Update(CMAC_CTX *ctx, const void *data, size_t dlen); |
76 | int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen); | |
77 | int CMAC_resume(CMAC_CTX *ctx); | |
78 | ||
79 | #ifdef __cplusplus | |
80 | } | |
81 | #endif | |
82 | #endif |