1 /* $NetBSD: mac.h,v 1.8 2017/04/18 18:41:46 christos Exp $ */ 2 /* $OpenBSD: mac.h,v 1.10 2016/07/08 03:44:42 djm Exp $ */ 3 /* 4 * Copyright (c) 2001 Markus Friedl. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef SSHMAC_H 28 #define SSHMAC_H 29 30 #include <sys/types.h> 31 32 struct sshmac { 33 char *name; 34 int enabled; 35 u_int mac_len; 36 u_char *key; 37 u_int key_len; 38 int type; 39 int etm; /* Encrypt-then-MAC */ 40 struct ssh_hmac_ctx *hmac_ctx; 41 struct umac_ctx *umac_ctx; 42 }; 43 44 int mac_valid(const char *); 45 char *mac_alg_list(char); 46 int mac_setup(struct sshmac *, char *); 47 int mac_init(struct sshmac *); 48 int mac_compute(struct sshmac *, u_int32_t, const u_char *, int, 49 u_char *, size_t); 50 int mac_check(struct sshmac *, u_int32_t, const u_char *, size_t, 51 const u_char *, size_t); 52 void mac_clear(struct sshmac *); 53 54 #endif /* SSHMAC_H */ 55