1 #ifndef __LIBSSH2_MAC_H 2 #define __LIBSSH2_MAC_H 3 4 /* Copyright (C) 2009-2010 by Daniel Stenberg 5 * 6 * Redistribution and use in source and binary forms, 7 * with or without modification, are permitted provided 8 * that the following conditions are met: 9 * 10 * Redistributions of source code must retain the above 11 * copyright notice, this list of conditions and the 12 * following disclaimer. 13 * 14 * Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials 17 * provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names 20 * of any other contributors may be used to endorse or 21 * promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 25 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 26 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 29 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 31 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 34 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 36 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 37 * OF SUCH DAMAGE. 38 * 39 */ 40 41 #include "libssh2_priv.h" 42 43 struct _LIBSSH2_MAC_METHOD 44 { 45 const char *name; 46 47 /* The length of a given MAC packet */ 48 int mac_len; 49 50 /* integrity key length */ 51 int key_len; 52 53 /* Message Authentication Code Hashing algo */ 54 int (*init) (LIBSSH2_SESSION * session, unsigned char *key, int *free_key, 55 void **abstract); 56 int (*hash) (LIBSSH2_SESSION * session, unsigned char *buf, 57 uint32_t seqno, const unsigned char *packet, 58 uint32_t packet_len, const unsigned char *addtl, 59 uint32_t addtl_len, void **abstract); 60 int (*dtor) (LIBSSH2_SESSION * session, void **abstract); 61 }; 62 63 typedef struct _LIBSSH2_MAC_METHOD LIBSSH2_MAC_METHOD; 64 65 const LIBSSH2_MAC_METHOD **_libssh2_mac_methods(void); 66 67 #endif /* __LIBSSH2_MAC_H */ 68