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1 /* crypto/des/rpc_des.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@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@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@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@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