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rjw6c1fd8f2022-11-30 14:33:01 +08001/* Copyright (C) 1996 Eric Young (eay@mincom.oz.au)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@mincom.oz.au).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@mincom.oz.au).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@mincom.oz.au)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@mincom.oz.au)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57
58/*****************************************************************************
59 *
60 * Filename:
61 * ---------
62 * des.h
63 *
64 * Project:
65 * --------
66 * Maui_Software
67 *
68 * Description:
69 * ------------
70 * des software function.
71 *
72 * Author:
73 * -------
74 * -------
75 *
76 *============================================================================
77 * HISTORY
78 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
79 *------------------------------------------------------------------------------
80 * removed!
81 *
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117 *
118 *------------------------------------------------------------------------------
119 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
120 *============================================================================
121 ****************************************************************************/
122
123#ifndef __DES_H__
124#define __DES_H__
125
126#include "kal_general_types.h"
127
128typedef kal_uint8 des_cblock[8];
129typedef struct des_ks_struct{
130 union{
131 des_cblock _;
132 kal_uint32 pad[2];
133 } ks;
134#undef _
135#define _ ks._
136} des_key_schedule[16];
137
138
139#define DES_KEY_SZ (sizeof(des_cblock))
140#define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
141
142#define DES_ENCRYPT 1
143#define DES_DECRYPT 0
144
145#define DES_CBC_MODE 0
146#define DES_PCBC_MODE 1
147
148#define C_Block des_cblock
149#define Key_schedule des_key_schedule
150
151
152#define ITERATIONS 16
153#define HALF_ITERATIONS 8
154
155#define c2l(c,l)(l =((kal_uint32)(*((c)++))) , \
156 l|=((kal_uint32)(*((c)++)))<< 8L, \
157 l|=((kal_uint32)(*((c)++)))<<16L, \
158 l|=((kal_uint32)(*((c)++)))<<24L)
159
160
161#define l2c(l,c)(*((c)++)=(kal_uint8)(((l) )&0xff), \
162 *((c)++)=(kal_uint8)(((l)>> 8L)&0xff), \
163 *((c)++)=(kal_uint8)(((l)>>16L)&0xff), \
164 *((c)++)=(kal_uint8)(((l)>>24L)&0xff))
165
166
167
168#define ROTATE(a,n) (((a)>>(n))+((a)<<(32-(n))))
169
170#define LOAD_DATA_tmp(a,b,c,d,e,f) LOAD_DATA(a,b,c,d,e,f,g)
171#define LOAD_DATA(R,S,u,t,E0,E1,tmp) \
172 u=R^s[S ]; \
173 t=R^s[S+1]
174
175#define D_ENCRYPT(LL,R,S) {\
176 LOAD_DATA_tmp(R,S,u,t,E0,E1); \
177 t=ROTATE(t,4); \
178 LL^=\
179 des_SPtrans[0][(u>> 2L)&0x3f]^ \
180 des_SPtrans[2][(u>>10L)&0x3f]^ \
181 des_SPtrans[4][(u>>18L)&0x3f]^ \
182 des_SPtrans[6][(u>>26L)&0x3f]^ \
183 des_SPtrans[1][(t>> 2L)&0x3f]^ \
184 des_SPtrans[3][(t>>10L)&0x3f]^ \
185 des_SPtrans[5][(t>>18L)&0x3f]^ \
186 des_SPtrans[7][(t>>26L)&0x3f]; }
187
188#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\
189 (b)^=(t),\
190 (a)^=((t)<<(n)))
191
192#define IP(l,r) \
193 { \
194 register kal_uint32 tt; \
195 PERM_OP(r,l,tt, 4,0x0f0f0f0fL); \
196 PERM_OP(l,r,tt,16,0x0000ffffL); \
197 PERM_OP(r,l,tt, 2,0x33333333L); \
198 PERM_OP(l,r,tt, 8,0x00ff00ffL); \
199 PERM_OP(r,l,tt, 1,0x55555555L); \
200 }
201
202#define FP(l,r) \
203 { \
204 register kal_uint32 tt; \
205 PERM_OP(l,r,tt, 1,0x55555555L); \
206 PERM_OP(r,l,tt, 8,0x00ff00ffL); \
207 PERM_OP(l,r,tt, 2,0x33333333L); \
208 PERM_OP(r,l,tt,16,0x0000ffffL); \
209 PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \
210 }
211
212
213#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\
214 (a)=(a)^(t)^(t>>(16-(n))))
215
216
217
218kal_int32 CHE_des_key_sched(des_cblock *key, des_key_schedule *schedule);
219void CHE_des_ecb_encrypt(des_cblock *input, des_cblock *output, des_key_schedule *ks, kal_int32 encrypt);
220
221#endif //__DES_H__