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Diffstat (limited to 'source/libsmb/smbencrypt.c')
| -rw-r--r-- | source/libsmb/smbencrypt.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/source/libsmb/smbencrypt.c b/source/libsmb/smbencrypt.c deleted file mode 100644 index 8bb21cfed20..00000000000 --- a/source/libsmb/smbencrypt.c +++ /dev/null @@ -1,196 +0,0 @@ -#ifdef SMB_PASSWD -/* - Unix SMB/Netbios implementation. - Version 1.9. - SMB parameters and setup - Copyright (C) Andrew Tridgell 1992-1997 - Modified by Jeremy Allison 1995. - - 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 "includes.h" -#include "des.h" -#include "md4.h" - -extern int DEBUGLEVEL; - -#include "byteorder.h" - -void str_to_key(uchar *str,uchar *key) -{ - void des_set_odd_parity(des_cblock *); - int i; - - key[0] = str[0]>>1; - key[1] = ((str[0]&0x01)<<6) | (str[1]>>2); - key[2] = ((str[1]&0x03)<<5) | (str[2]>>3); - key[3] = ((str[2]&0x07)<<4) | (str[3]>>4); - key[4] = ((str[3]&0x0F)<<3) | (str[4]>>5); - key[5] = ((str[4]&0x1F)<<2) | (str[5]>>6); - key[6] = ((str[5]&0x3F)<<1) | (str[6]>>7); - key[7] = str[6]&0x7F; - for (i=0;i<8;i++) { - key[i] = (key[i]<<1); - } - des_set_odd_parity((des_cblock *)key); -} - -void D1(uchar *k, uchar *d, uchar *out) -{ - des_key_schedule ks; - des_cblock deskey; - - str_to_key(k,(uchar *)deskey); -#ifdef __FreeBSD__ - des_set_key(&deskey,ks); -#else /* __FreeBSD__ */ - des_set_key((des_cblock *)deskey,ks); -#endif /* __FreeBsd */ - des_ecb_encrypt((des_cblock *)d,(des_cblock *)out, ks, DES_DECRYPT); -} - -void E1(uchar *k, uchar *d, uchar *out) -{ - des_key_schedule ks; - des_cblock deskey; - - str_to_key(k,(uchar *)deskey); -#ifdef __FreeBSD__ - des_set_key(&deskey,ks); -#else /* __FreeBsd__ */ - des_set_key((des_cblock *)deskey,ks); -#endif /* __FreeBsd__ */ - des_ecb_encrypt((des_cblock *)d,(des_cblock *)out, ks, DES_ENCRYPT); -} - -void E_P16(uchar *p14,uchar *p16) -{ - uchar sp7[7]; - /* the following constant makes us compatible with other - implementations. Note that publishing this constant does not reduce the - security of the encryption mechanism */ - uchar sp8[] = {0xAA,0xD3,0xB4,0x35,0xB5,0x14,0x4,0xEE}; - uchar x[8]; - - memset(sp7,'\0',7); - - D1(sp7, sp8, x); - E1(p14, x, p16); - E1(p14+7, x, p16+8); -} - -void E_P24(uchar *p21, uchar *c8, uchar *p24) -{ - E1(p21, c8, p24); - E1(p21+7, c8, p24+8); - E1(p21+14, c8, p24+16); -} - - -/* - This implements the X/Open SMB password encryption - It takes a password, a 8 byte "crypt key" and puts 24 bytes of - encrypted password into p24 */ -void SMBencrypt(uchar *passwd, uchar *c8, uchar *p24) -{ - uchar p14[15], p21[21]; - - memset(p21,'\0',21); - memset(p14,'\0',14); - StrnCpy((char *)p14,(char *)passwd,14); - - strupper((char *)p14); - E_P16(p14, p21); - E_P24(p21, c8, p24); -} - -/* Routines for Windows NT MD4 Hash functions. */ -static int _my_wcslen(int16 *str) -{ - int len = 0; - while(*str++ != 0) - len++; - return len; -} - -/* - * Convert a string into an NT UNICODE string. - * Note that regardless of processor type - * this must be in intel (little-endian) - * format. - */ - -static int _my_mbstowcs(int16 *dst, uchar *src, int len) -{ - int i; - int16 val; - - for(i = 0; i < len; i++) { - val = *src; - SSVAL(dst,0,val); - dst++; - src++; - if(val == 0) - break; - } - return i; -} - -/* - * Creates the MD4 Hash of the users password in NT UNICODE. - */ - -void E_md4hash(uchar *passwd, uchar *p16) -{ - int i, len; - int16 wpwd[129]; - MDstruct MD; - - /* Password cannot be longer than 128 characters */ - len = strlen((char *)passwd); - if(len > 128) - len = 128; - /* Password must be converted to NT unicode */ - _my_mbstowcs( wpwd, passwd, len); - wpwd[len] = 0; /* Ensure string is null terminated */ - /* Calculate length in bytes */ - len = _my_wcslen(wpwd) * sizeof(int16); - - MDbegin(&MD); - for(i = 0; i + 64 <= len; i += 64) - MDupdate(&MD,wpwd + (i/2), 512); - MDupdate(&MD,wpwd + (i/2),(len-i)*8); - SIVAL(p16,0,MD.buffer[0]); - SIVAL(p16,4,MD.buffer[1]); - SIVAL(p16,8,MD.buffer[2]); - SIVAL(p16,12,MD.buffer[3]); -} - -/* Does the NT MD4 hash then des encryption. */ - -void SMBNTencrypt(uchar *passwd, uchar *c8, uchar *p24) -{ - uchar p21[21]; - - memset(p21,'\0',21); - - E_md4hash(passwd, p21); - E_P24(p21, c8, p24); -} - -#else - void smbencrypt_dummy(void){} -#endif |