diff options
Diffstat (limited to 'source3')
| -rw-r--r-- | source3/arcfour.c | 91 | ||||
| -rw-r--r-- | source3/arcfour.h | 39 |
2 files changed, 0 insertions, 130 deletions
diff --git a/source3/arcfour.c b/source3/arcfour.c deleted file mode 100644 index a28d702a86..0000000000 --- a/source3/arcfour.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - Unix SMB/Netbios implementation. - Version 1.9. - - a implementation of arcfour designed for use in the - SMB password change protocol based on the description - in 'Applied Cryptography', 2nd Edition. - - Copyright (C) Jeremy Allison 1997 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "arcfour.h" - -void set_arc4_key(unsigned char *data, int key_length, arc4_key *arckey) -{ - unsigned int i; - unsigned char j; - unsigned char tc; - unsigned char *s_box = &arckey->s_box[0]; - - arckey->index_i = 0; - arckey->index_j = 0; - for(i = 0; i < 256; i++) - s_box[i] = (unsigned char)i; - - j = 0; - for( i = 0; i < 256; i++) - { - j += (s_box[i] + data[i%key_length]); - tc = s_box[i]; - s_box[i] = s_box[j]; - s_box[j] = tc; - } -} - -void arc4(arc4_key *arckey, unsigned char *data_in, unsigned char *data_out, - int length) -{ - unsigned char tc; - int ind; - unsigned char i, j; - unsigned char t; - unsigned char *s_box = &arckey->s_box[0]; - - for( ind = 0; ind < length; ind++) - { - i = ++arckey->index_i; - j = arckey->index_j += s_box[i]; - tc = s_box[i]; - s_box[i] = s_box[j]; - s_box[j] = tc; - t = s_box[i] + s_box[j]; - *data_out++ = *data_in++ ^ s_box[t]; - } -} - -#if 0 -/* Test vector */ -unsigned char key_data[] = { 0x61, 0x8a, 0x63, 0xd2, 0xfb }; -unsigned char plaintext[] = { 0xdc, 0xee, 0x4c, 0xf9, 0x2c }; -unsigned char ciphertext[] = { 0xf1, 0x38, 0x29, 0xc9, 0xde }; - -int main(int argc, char *argv[]) -{ - unsigned char out[5]; - arc4_key key; - - set_arc4_key(key_data, 5, &key); - arc4(&key, plaintext, out, 5); - - if(memcmp(out, ciphertext, 5) ==0) - printf("Test ok !\n"); - else - printf("Test fail !\n"); - return 0; -} -#endif diff --git a/source3/arcfour.h b/source3/arcfour.h deleted file mode 100644 index 34a4e8f91b..0000000000 --- a/source3/arcfour.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef _ARC4_H_ -#define _ARC4_H_ - -/* - Unix SMB/Netbios implementation. - Version 1.9. - - a implementation of arcfour designed for use in the - SMB password change protocol based on the description - in 'Applied Cryptography', 2nd Edition. - - Copyright (C) Jeremy Allison 1997 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -typedef struct { - unsigned char s_box[256]; - unsigned char index_i; - unsigned char index_j; -} arc4_key; - -extern void set_arc4_key(unsigned char *data, int key_length, arc4_key *arckey); -extern void arc4(arc4_key *arckey, unsigned char *data_in, - unsigned char *data_out, int length); - -#endif /* _ARC4_H_ */ |