1*e9778795SPeter Avalos /* $OpenBSD: mac.h,v 1.10 2016/07/08 03:44:42 djm Exp $ */ 218de8d7fSPeter Avalos /* 318de8d7fSPeter Avalos * Copyright (c) 2001 Markus Friedl. All rights reserved. 418de8d7fSPeter Avalos * 518de8d7fSPeter Avalos * Redistribution and use in source and binary forms, with or without 618de8d7fSPeter Avalos * modification, are permitted provided that the following conditions 718de8d7fSPeter Avalos * are met: 818de8d7fSPeter Avalos * 1. Redistributions of source code must retain the above copyright 918de8d7fSPeter Avalos * notice, this list of conditions and the following disclaimer. 1018de8d7fSPeter Avalos * 2. Redistributions in binary form must reproduce the above copyright 1118de8d7fSPeter Avalos * notice, this list of conditions and the following disclaimer in the 1218de8d7fSPeter Avalos * documentation and/or other materials provided with the distribution. 1318de8d7fSPeter Avalos * 1418de8d7fSPeter Avalos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1518de8d7fSPeter Avalos * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1618de8d7fSPeter Avalos * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1718de8d7fSPeter Avalos * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1818de8d7fSPeter Avalos * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1918de8d7fSPeter Avalos * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2018de8d7fSPeter Avalos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2118de8d7fSPeter Avalos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2218de8d7fSPeter Avalos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2318de8d7fSPeter Avalos * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2418de8d7fSPeter Avalos */ 2518de8d7fSPeter Avalos 26*e9778795SPeter Avalos #ifndef SSHMAC_H 27*e9778795SPeter Avalos #define SSHMAC_H 28*e9778795SPeter Avalos 29*e9778795SPeter Avalos #include <sys/types.h> 30*e9778795SPeter Avalos 31*e9778795SPeter Avalos struct sshmac { 32*e9778795SPeter Avalos char *name; 33*e9778795SPeter Avalos int enabled; 34*e9778795SPeter Avalos u_int mac_len; 35*e9778795SPeter Avalos u_char *key; 36*e9778795SPeter Avalos u_int key_len; 37*e9778795SPeter Avalos int type; 38*e9778795SPeter Avalos int etm; /* Encrypt-then-MAC */ 39*e9778795SPeter Avalos struct ssh_hmac_ctx *hmac_ctx; 40*e9778795SPeter Avalos struct umac_ctx *umac_ctx; 41*e9778795SPeter Avalos }; 42*e9778795SPeter Avalos 4318de8d7fSPeter Avalos int mac_valid(const char *); 4436e94dc5SPeter Avalos char *mac_alg_list(char); 45*e9778795SPeter Avalos int mac_setup(struct sshmac *, char *); 46*e9778795SPeter Avalos int mac_init(struct sshmac *); 47*e9778795SPeter Avalos int mac_compute(struct sshmac *, u_int32_t, const u_char *, int, 48*e9778795SPeter Avalos u_char *, size_t); 49*e9778795SPeter Avalos int mac_check(struct sshmac *, u_int32_t, const u_char *, size_t, 50*e9778795SPeter Avalos const u_char *, size_t); 51*e9778795SPeter Avalos void mac_clear(struct sshmac *); 52*e9778795SPeter Avalos 53*e9778795SPeter Avalos #endif /* SSHMAC_H */ 54