1 /* 2 * Copyright (c) 2014-2018, Andrew Romanenko <melanhit@gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef AKMOS_MAC_H 30 #define AKMOS_MAC_H 31 32 typedef union akmos_mac_mode_u akmos_mac_mode_t; 33 34 #include "mode/hmac.h" 35 #include "mode/cmac.h" 36 #include "mode/cbc-mac.h" 37 38 union akmos_mac_mode_u { 39 akmos_hmac_t hmac; 40 akmos_cmac_t cmac; 41 akmos_cbcmac_t cbcmac; 42 }; 43 44 typedef struct { 45 akmos_mode_id id; 46 char *name; 47 int (*init) (akmos_mac_mode_t *, akmos_algo_id); 48 int (*setkey) (akmos_mac_mode_t *, const uint8_t *, size_t); 49 void (*update) (akmos_mac_mode_t *, const uint8_t *, size_t); 50 int (*done) (akmos_mac_mode_t *, uint8_t *); 51 } akmos_mac_xmode_t; 52 53 struct akmos_mac_s { 54 const akmos_mac_xmode_t *xmode; 55 akmos_mac_mode_t mctx; 56 }; 57 58 extern const akmos_mac_xmode_t akmos_xmode_hmac; 59 extern const akmos_mac_xmode_t akmos_xmode_cmac; 60 extern const akmos_mac_xmode_t akmos_xmode_cbcmac; 61 62 #endif /* AKMOS_MAC_H */ 63