1 /* 2 * null-auth.h 3 * 4 * David A. McGrew 5 * Cisco Systems, Inc. 6 * 7 */ 8 9 /* 10 * 11 * Copyright (c) 2001-2006, Cisco Systems, Inc. 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 18 * Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 21 * Redistributions in binary form must reproduce the above 22 * copyright notice, this list of conditions and the following 23 * disclaimer in the documentation and/or other materials provided 24 * with the distribution. 25 * 26 * Neither the name of the Cisco Systems, Inc. nor the names of its 27 * contributors may be used to endorse or promote products derived 28 * from this software without specific prior written permission. 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 33 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 34 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 35 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 36 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 37 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 41 * OF THE POSSIBILITY OF SUCH DAMAGE. 42 * 43 */ 44 45 #ifndef NULL_AUTH_H 46 #define NULL_AUTH_H 47 48 #include "auth.h" 49 50 typedef struct { 51 char foo; 52 } null_auth_ctx_t; 53 54 err_status_t 55 null_auth_alloc(auth_t **a, int key_len, int out_len); 56 57 err_status_t 58 null_auth_dealloc(auth_t *a); 59 60 err_status_t 61 null_auth_init(null_auth_ctx_t *state, const uint8_t *key, int key_len); 62 63 err_status_t 64 null_auth_compute (null_auth_ctx_t *state, uint8_t *message, 65 int msg_octets, int tag_len, uint8_t *result); 66 67 68 #endif /* NULL_AUTH_H */ 69