1 /* 2 * crypto.h 3 * 4 * API for libcrypto 5 * 6 * David A. McGrew 7 * Cisco Systems, Inc. 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 CRYPTO_H 46 #define CRYPTO_H 47 48 /** 49 * @brief A cipher_type_id_t is an identifier for a particular cipher 50 * type. 51 * 52 * A cipher_type_id_t is an integer that represents a particular 53 * cipher type, e.g. the Advanced Encryption Standard (AES). A 54 * NULL_CIPHER is avaliable; this cipher leaves the data unchanged, 55 * and can be selected to indicate that no encryption is to take 56 * place. 57 * 58 * @ingroup Ciphers 59 */ 60 typedef uint32_t cipher_type_id_t; 61 62 /** 63 * @brief An auth_type_id_t is an identifier for a particular authentication 64 * function. 65 * 66 * An auth_type_id_t is an integer that represents a particular 67 * authentication function type, e.g. HMAC-SHA1. A NULL_AUTH is 68 * avaliable; this authentication function performs no computation, 69 * and can be selected to indicate that no authentication is to take 70 * place. 71 * 72 * @ingroup Authentication 73 */ 74 typedef uint32_t auth_type_id_t; 75 76 #endif /* CRYPTO_H */ 77 78 79