FreeBSD/Linux Kernel Cross Reference
sys/crypto/des/des.h

     /*      $FreeBSD: releng/6.4/sys/crypto/des/des.h 92756 2002-03-20 05:14:42Z alfred $   */
     /*      $KAME: des.h,v 1.8 2001/09/10 04:03:57 itojun Exp $     */
     
     /* lib/des/des.h */
     /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au)
      * All rights reserved.
      *
      * This file is part of an SSL implementation written
      * by Eric Young (eay@mincom.oz.au).
     * The implementation was written so as to conform with Netscapes SSL
     * specification.  This library and applications are
     * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
     * as long as the following conditions are aheared to.
     *
     * Copyright remains Eric Young's, and as such any Copyright notices in
     * the code are not to be removed.  If this code is used in a product,
     * Eric Young should be given attribution as the author of the parts used.
     * This can be in the form of a textual message at program startup or
     * in documentation (online or textual) provided with the package.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *    This product includes software developed by Eric Young (eay@mincom.oz.au)
     *
     * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * The licence and distribution terms for any publically available version or
     * derivative of this code cannot be changed.  i.e. this code cannot simply be
     * copied and put under another distribution licence
     * [including the GNU Public Licence.]
     */
    
    #ifndef HEADER_DES_H
    #define HEADER_DES_H
    
    #ifdef  __cplusplus
    extern "C" {
    #endif
    
    /* must be 32bit quantity */
    #define DES_LONG u_int32_t
    
    typedef unsigned char des_cblock[8];
    typedef struct des_ks_struct
            {
            union   {
            des_cblock cblock;
            /* make sure things are correct size on machines with
             * 8 byte longs */
            DES_LONG deslong[2];
            } ks;
            int weak_key;
    } des_key_schedule[16];
    
    #define DES_KEY_SZ      (sizeof(des_cblock))
    #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
    
    #define DES_ENCRYPT     1
    #define DES_DECRYPT     0
    
    #define DES_CBC_MODE    0
    #define DES_PCBC_MODE   1
    
    extern int des_check_key;       /* defaults to false */
    
    char *des_options(void);
    void des_ecb_encrypt(des_cblock *, des_cblock *, des_key_schedule, int);
    
    void des_encrypt1(DES_LONG *, des_key_schedule, int);
    void des_encrypt2(DES_LONG *, des_key_schedule, int);
    void des_encrypt3(DES_LONG *, des_key_schedule, des_key_schedule,
                          des_key_schedule);
    void des_decrypt3(DES_LONG *, des_key_schedule, des_key_schedule,
                          des_key_schedule);
    
    void des_ecb3_encrypt(des_cblock *, des_cblock *, des_key_schedule, 
                              des_key_schedule, des_key_schedule, int);
    
    void des_ncbc_encrypt(const unsigned char *, unsigned char *, long,
                              des_key_schedule, des_cblock *, int);
    
   void des_ede3_cbc_encrypt(const unsigned char *, unsigned char *, long,
                             des_key_schedule, des_key_schedule, 
                             des_key_schedule, des_cblock *, int);
   
   void des_set_odd_parity(des_cblock *);
   void des_fixup_key_parity(des_cblock *); 
   int des_is_weak_key(des_cblock *);
   int des_set_key(des_cblock *, des_key_schedule);
   int des_key_sched(des_cblock *, des_key_schedule);
   int des_set_key_checked(des_cblock *, des_key_schedule);
   void des_set_key_unchecked(des_cblock *, des_key_schedule);
   int des_check_key_parity(des_cblock *);
   
   #ifdef  __cplusplus
   }
   #endif
   
   #endif

Cache object: 60862aa1249ccf47a98f79aff9e366ce