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des.h
Go to the documentation of this file.00001 /* 00002 * embedded IPsec 00003 * Copyright (c) 2003 Niklaus Schild and Christian Scheurer, HTI Biel/Bienne 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without modification, 00007 * are permitted provided that the following conditions are met: 00008 * 00009 * 1. Redistributions of source code must retain the above copyright notice, 00010 * this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright notice, 00012 * this list of conditions and the following disclaimer in the documentation 00013 * and/or other materials provided with the distribution. 00014 * 3. The name of the author may not be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00018 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00019 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00020 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00021 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00022 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00023 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00024 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00025 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00026 * OF SUCH DAMAGE. 00027 * 00028 */ 00029 00043 #ifndef __DES_H__ 00044 #define __DES_H__ 00045 00046 #include "ipsec/types.h" 00047 00048 00049 /* 00050 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 00051 * ! DES_LONG has to be at least 32 bits wide. ! 00052 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 00053 */ 00054 #define DES_LONG __u32 00055 00056 typedef unsigned char DES_cblock[8]; 00057 typedef const unsigned char const_DES_cblock[8]; 00058 00059 typedef struct DES_ks 00060 { 00061 union 00062 { 00063 DES_cblock cblock; 00064 DES_LONG deslong[2]; /* make sure things are correct size on machines with 8 byte longs */ 00065 } ks[16]; 00066 } DES_key_schedule; 00067 00068 #define DES_ENCRYPT 1 00069 #define DES_DECRYPT 0 00071 int DES_set_key_checked(const_DES_cblock *key,DES_key_schedule *schedule); 00072 void DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule); 00073 void cipher_3des_cbc(unsigned char*, int, unsigned char*, unsigned char*, int, unsigned char*); 00074 00075 #endif 00076 00077