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      1 /* crypto/des/rpc_des.h */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) cryptsoft.com).
      7  * The implementation was written so as to conform with Netscapes SSL.
      8  *
      9  * This library is free for commercial and non-commercial use as long as
     10  * the following conditions are aheared to.  The following conditions
     11  * apply to all code found in this distribution, be it the RC4, RSA,
     12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
     13  * included with this distribution is covered by the same copyright terms
     14  * except that the holder is Tim Hudson (tjh (at) cryptsoft.com).
     15  *
     16  * Copyright remains Eric Young's, and as such any Copyright notices in
     17  * the code are not to be removed.
     18  * If this package is used in a product, Eric Young should be given attribution
     19  * as the author of the parts of the library used.
     20  * This can be in the form of a textual message at program startup or
     21  * in documentation (online or textual) provided with the package.
     22  *
     23  * Redistribution and use in source and binary forms, with or without
     24  * modification, are permitted provided that the following conditions
     25  * are met:
     26  * 1. Redistributions of source code must retain the copyright
     27  *    notice, this list of conditions and the following disclaimer.
     28  * 2. Redistributions in binary form must reproduce the above copyright
     29  *    notice, this list of conditions and the following disclaimer in the
     30  *    documentation and/or other materials provided with the distribution.
     31  * 3. All advertising materials mentioning features or use of this software
     32  *    must display the following acknowledgement:
     33  *    "This product includes cryptographic software written by
     34  *     Eric Young (eay (at) cryptsoft.com)"
     35  *    The word 'cryptographic' can be left out if the rouines from the library
     36  *    being used are not cryptographic related :-).
     37  * 4. If you include any Windows specific code (or a derivative thereof) from
     38  *    the apps directory (application code) you must include an acknowledgement:
     39  *    "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)"
     40  *
     41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
     42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     51  * SUCH DAMAGE.
     52  *
     53  * The licence and distribution terms for any publically available version or
     54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
     55  * copied and put under another distribution licence
     56  * [including the GNU Public Licence.]
     57  */
     58 
     59 /*  @(#)des.h	2.2 88/08/10 4.0 RPCSRC; from 2.7 88/02/08 SMI  */
     60 /*
     61  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
     62  * unrestricted use provided that this legend is included on all tape
     63  * media and as a part of the software program in whole or part.  Users
     64  * may copy or modify Sun RPC without charge, but are not authorized
     65  * to license or distribute it to anyone else except as part of a product or
     66  * program developed by the user.
     67  *
     68  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
     69  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
     70  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
     71  *
     72  * Sun RPC is provided with no support and without any obligation on the
     73  * part of Sun Microsystems, Inc. to assist in its use, correction,
     74  * modification or enhancement.
     75  *
     76  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
     77  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
     78  * OR ANY PART THEREOF.
     79  *
     80  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
     81  * or profits or other special, indirect and consequential damages, even if
     82  * Sun has been advised of the possibility of such damages.
     83  *
     84  * Sun Microsystems, Inc.
     85  * 2550 Garcia Avenue
     86  * Mountain View, California  94043
     87  */
     88 /*
     89  * Generic DES driver interface
     90  * Keep this file hardware independent!
     91  * Copyright (c) 1986 by Sun Microsystems, Inc.
     92  */
     93 
     94 #define DES_MAXLEN 	65536	/* maximum # of bytes to encrypt  */
     95 #define DES_QUICKLEN	16	/* maximum # of bytes to encrypt quickly */
     96 
     97 #ifdef HEADER_DES_H
     98 #undef ENCRYPT
     99 #undef DECRYPT
    100 #endif
    101 
    102 enum desdir { ENCRYPT, DECRYPT };
    103 enum desmode { CBC, ECB };
    104 
    105 /*
    106  * parameters to ioctl call
    107  */
    108 struct desparams {
    109 	unsigned char des_key[8];	/* key (with low bit parity) */
    110 	enum desdir des_dir;	/* direction */
    111 	enum desmode des_mode;	/* mode */
    112 	unsigned char des_ivec[8];	/* input vector */
    113 	unsigned des_len;	/* number of bytes to crypt */
    114 	union {
    115 		unsigned char UDES_data[DES_QUICKLEN];
    116 		unsigned char *UDES_buf;
    117 	} UDES;
    118 #	define des_data UDES.UDES_data	/* direct data here if quick */
    119 #	define des_buf	UDES.UDES_buf	/* otherwise, pointer to data */
    120 };
    121 
    122 /*
    123  * Encrypt an arbitrary sized buffer
    124  */
    125 #define	DESIOCBLOCK	_IOWR('d', 6, struct desparams)
    126 
    127 /*
    128  * Encrypt of small amount of data, quickly
    129  */
    130 #define DESIOCQUICK	_IOWR('d', 7, struct desparams)
    131 
    132