version 1.3, 2000/08/22 05:04:17 |
version 1.6, 2001/10/09 01:36:20 |
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/* |
/* $OpenXM: OpenXM_contrib2/asir2000/io/des.c,v 1.5 2000/12/05 09:06:03 noro Exp $ */ |
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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/* $OpenXM: OpenXM_contrib2/asir2000/io/des.c,v 1.2 2000/08/21 08:31:38 noro Exp $ |
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*/ |
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/* Copyright (C) 1996 S.Amada */ |
/* Copyright (C) 1996 S.Amada */ |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
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#define ROUND 16 /* 段数 */ |
#define ROUND 16 /* 段数 */ |
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Line 63 void des_enc(ULONG *, UCHAR *, ULONG *); |
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Line 17 void des_enc(ULONG *, UCHAR *, ULONG *); |
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ULONG round_func(ULONG , UCHAR *); |
ULONG round_func(ULONG , UCHAR *); |
ULONG s_box_func(UCHAR *); |
ULONG s_box_func(UCHAR *); |
void des_dec(ULONG *, UCHAR *, ULONG *); |
void des_dec(ULONG *, UCHAR *, ULONG *); |
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void key_schedule(UCHAR *,UCHAR *); |
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/* 鍵の縮約型転置 PC-1 */ |
/* 鍵の縮約型転置 PC-1 */ |
static USHORT pc_1[56] = { |
static USHORT pc_1[56] = { |
Line 219 UCHAR *r_key; /* 拡大鍵(48 * 16 bit) */ |
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Line 174 UCHAR *r_key; /* 拡大鍵(48 * 16 bit) */ |
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ULONG *cipher; /* 暗号文(64 bit) */ |
ULONG *cipher; /* 暗号文(64 bit) */ |
{ |
{ |
ULONG l_text,r_text, |
ULONG l_text,r_text, |
l_work,r_work,tmp_text,c_text[2]; |
l_work,r_work,tmp_text; |
int loop; |
int loop; |
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for(loop = 0;loop < 6;loop++,i_data++) work[loop] = *i_data; |
for(loop = 0;loop < 6;loop++,i_data++) work[loop] = *i_data; |
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/* S1 */ |
/* S1 */ |
s_work[0] = (work[0] >> 2) & 0x3fL; |
s_work[0] = (work[0] >> 2) & 0x3f; |
val = (s_work[0] >> 1) & 0x0fL; |
val = (s_work[0] >> 1) & 0x0f; |
if(s_work[0] & 0x20L) |
if(s_work[0] & 0x20L) |
{ |
{ |
if(s_work[0] & 0x01L) s_work[0] = s_1[val+48]; |
if(s_work[0] & 0x01L) s_work[0] = (UCHAR)s_1[val+48]; |
else s_work[0] = s_1[val+32]; |
else s_work[0] = (UCHAR)s_1[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[0] & 0x01L) s_work[0] = s_1[val+16]; |
if(s_work[0] & 0x01L) s_work[0] = (UCHAR)s_1[val+16]; |
else s_work[0] = s_1[val]; |
else s_work[0] = (UCHAR)s_1[val]; |
} |
} |
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/* S2 */ |
/* S2 */ |
s_work[1] = ((work[0] << 4) | (work[1] >> 4)) & 0x3fL; |
s_work[1] = ((work[0] << 4) | (work[1] >> 4)) & 0x3f; |
val = (s_work[1] >> 1) & 0x0fL; |
val = (s_work[1] >> 1) & 0x0f; |
if(s_work[1] & 0x20L) |
if(s_work[1] & 0x20L) |
{ |
{ |
if(s_work[1] & 0x01L) s_work[1] = s_2[val+48]; |
if(s_work[1] & 0x01L) s_work[1] = (UCHAR)s_2[val+48]; |
else s_work[1] = s_2[val+32]; |
else s_work[1] = (UCHAR)s_2[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[1] & 0x01L) s_work[1] = s_2[val+16]; |
if(s_work[1] & 0x01L) s_work[1] = (UCHAR)s_2[val+16]; |
else s_work[1] = s_2[val]; |
else s_work[1] = (UCHAR)s_2[val]; |
} |
} |
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/* S3 */ |
/* S3 */ |
s_work[2] = ((work[1] << 2) | (work[2] >> 6)) & 0x3fL; |
s_work[2] = ((work[1] << 2) | (work[2] >> 6)) & 0x3f; |
val = (s_work[2] >> 1) & 0x0fL; |
val = (s_work[2] >> 1) & 0x0f; |
if(s_work[2] & 0x20L) |
if(s_work[2] & 0x20L) |
{ |
{ |
if(s_work[2] & 0x01L) s_work[2] = s_3[val+48]; |
if(s_work[2] & 0x01L) s_work[2] = (UCHAR)s_3[val+48]; |
else s_work[2] = s_3[val+32]; |
else s_work[2] = (UCHAR)s_3[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[2] & 0x01L) s_work[2] = s_3[val+16]; |
if(s_work[2] & 0x01L) s_work[2] = (UCHAR)s_3[val+16]; |
else s_work[2] = s_3[val]; |
else s_work[2] = (UCHAR)s_3[val]; |
} |
} |
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/* S4 */ |
/* S4 */ |
s_work[3] = work[2] & 0x3fL; |
s_work[3] = work[2] & 0x3f; |
val = (s_work[3] >> 1) & 0x0fL; |
val = (s_work[3] >> 1) & 0x0f; |
if(s_work[3] & 0x20L) |
if(s_work[3] & 0x20L) |
{ |
{ |
if(s_work[3] & 0x01L) s_work[3] = s_4[val+48]; |
if(s_work[3] & 0x01L) s_work[3] = (UCHAR)s_4[val+48]; |
else s_work[3] = s_4[val+32]; |
else s_work[3] = (UCHAR)s_4[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[3] & 0x01L) s_work[3] = s_4[val+16]; |
if(s_work[3] & 0x01L) s_work[3] = (UCHAR)s_4[val+16]; |
else s_work[3] = s_4[val]; |
else s_work[3] = (UCHAR)s_4[val]; |
} |
} |
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/* S5 */ |
/* S5 */ |
s_work[4] = (work[3] >> 2) & 0x3fL; |
s_work[4] = (work[3] >> 2) & 0x3f; |
val = (s_work[4] >> 1) & 0x0fL; |
val = (s_work[4] >> 1) & 0x0f; |
if(s_work[4] & 0x20L) |
if(s_work[4] & 0x20L) |
{ |
{ |
if(s_work[4] & 0x01L) s_work[4] = s_5[val+48]; |
if(s_work[4] & 0x01L) s_work[4] = (UCHAR)s_5[val+48]; |
else s_work[4] = s_5[val+32]; |
else s_work[4] = (UCHAR)s_5[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[4] & 0x01L) s_work[4] = s_5[val+16]; |
if(s_work[4] & 0x01L) s_work[4] = (UCHAR)s_5[val+16]; |
else s_work[4] = s_5[val]; |
else s_work[4] = (UCHAR)s_5[val]; |
} |
} |
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/* S6 */ |
/* S6 */ |
s_work[5] = ((work[3] << 4) | (work[4] >> 4)) & 0x3fL; |
s_work[5] = ((work[3] << 4) | (work[4] >> 4)) & 0x3f; |
val = (s_work[5] >> 1) & 0x0fL; |
val = (s_work[5] >> 1) & 0x0f; |
if(s_work[5] & 0x20L) |
if(s_work[5] & 0x20L) |
{ |
{ |
if(s_work[5] & 0x01L) s_work[5] = s_6[val+48]; |
if(s_work[5] & 0x01L) s_work[5] = (UCHAR)s_6[val+48]; |
else s_work[5] = s_6[val+32]; |
else s_work[5] = (UCHAR)s_6[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[5] & 0x01L) s_work[5] = s_6[val+16]; |
if(s_work[5] & 0x01L) s_work[5] = (UCHAR)s_6[val+16]; |
else s_work[5] = s_6[val]; |
else s_work[5] = (UCHAR)s_6[val]; |
} |
} |
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/* S7 */ |
/* S7 */ |
s_work[6] = ((work[4] << 2) | (work[5] >> 6)) & 0x3fL; |
s_work[6] = ((work[4] << 2) | (work[5] >> 6)) & 0x3f; |
val = (s_work[6] >> 1) & 0x0fL; |
val = (s_work[6] >> 1) & 0x0f; |
if(s_work[6] & 0x20L) |
if(s_work[6] & 0x20L) |
{ |
{ |
if(s_work[6] & 0x01L) s_work[6] = s_7[val+48]; |
if(s_work[6] & 0x01L) s_work[6] = (UCHAR)s_7[val+48]; |
else s_work[6] = s_7[val+32]; |
else s_work[6] = (UCHAR)s_7[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[6] & 0x01L) s_work[6] = s_7[val+16]; |
if(s_work[6] & 0x01L) s_work[6] = (UCHAR)s_7[val+16]; |
else s_work[6] = s_7[val]; |
else s_work[6] = (UCHAR)s_7[val]; |
} |
} |
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/* S8 */ |
/* S8 */ |
s_work[7] = work[5] & 0x3fL; |
s_work[7] = work[5] & 0x3f; |
val = (s_work[7] >> 1) & 0x0fL; |
val = (s_work[7] >> 1) & 0x0f; |
if(s_work[7] & 0x20L) |
if(s_work[7] & 0x20L) |
{ |
{ |
if(s_work[7] & 0x01L) s_work[7] = s_8[val+48]; |
if(s_work[7] & 0x01L) s_work[7] = (UCHAR)s_8[val+48]; |
else s_work[7] = s_8[val+32]; |
else s_work[7] = (UCHAR)s_8[val+32]; |
} |
} |
else |
else |
{ |
{ |
if(s_work[7] & 0x01L) s_work[7] = s_8[val+16]; |
if(s_work[7] & 0x01L) s_work[7] = (UCHAR)s_8[val+16]; |
else s_work[7] = s_8[val]; |
else s_work[7] = (UCHAR)s_8[val]; |
} |
} |
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fval = (s_work[0] << 28) | (s_work[1] << 24) |
fval = (s_work[0] << 28) | (s_work[1] << 24) |
Line 670 UCHAR *key,*ex_key; |
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Line 625 UCHAR *key,*ex_key; |
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ULONG k_work1,k_work2, |
ULONG k_work1,k_work2, |
c_key,d_key, |
c_key,d_key, |
c_tmp,d_tmp; |
c_tmp,d_tmp; |
int loop,loop2,len,strcnt; |
int loop,loop2; |
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k_work1 = 0x00000000L; |
k_work1 = 0x00000000L; |