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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
*out++ = *in2++;
}
-static void xor(char *out, char *in1, char *in2, int n)
+static void x_or(char *out, char *in1, char *in2, int n)
{
int i;
for (i=0;i<n;i++)
permute(er, r, perm4, 48);
- xor(erk, er, ki[forw ? i : 15 - i], 48);
+ x_or(erk, er, ki[forw ? i : 15 - i], 48);
for (j=0;j<8;j++)
for (k=0;k<6;k++)
cb[j*4+k] = b[j][k];
permute(pcb, cb, perm5, 32);
- xor(r2, l, pcb, 32);
+ x_or(r2, l, pcb, 32);
for (j=0;j<32;j++)
l[j] = r[j];
permute(out, rl, perm6, 64);
}
-static void str_to_key(const unsigned char *str,unsigned char *key)
+/* Convert a 7 byte string to an 8 byte key. */
+static void str_to_key(const unsigned char str[7], unsigned char key[8])
{
int i;
}
-static void smbhash(unsigned char *out, const unsigned char *in, const unsigned char *key, int forw)
+void des_crypt56(unsigned char *out, const unsigned char *in, const unsigned char *key, int forw)
{
int i;
char outb[64];
void E_P16(const unsigned char *p14,unsigned char *p16)
{
unsigned char sp8[8] = {0x4b, 0x47, 0x53, 0x21, 0x40, 0x23, 0x24, 0x25};
- smbhash(p16, sp8, p14, 1);
- smbhash(p16+8, sp8, p14+7, 1);
+ des_crypt56(p16, sp8, p14, 1);
+ des_crypt56(p16+8, sp8, p14+7, 1);
}
void E_P24(const unsigned char *p21, const unsigned char *c8, unsigned char *p24)
{
- smbhash(p24, c8, p21, 1);
- smbhash(p24+8, c8, p21+7, 1);
- smbhash(p24+16, c8, p21+14, 1);
+ des_crypt56(p24, c8, p21, 1);
+ des_crypt56(p24+8, c8, p21+7, 1);
+ des_crypt56(p24+16, c8, p21+14, 1);
}
void D_P16(const unsigned char *p14, const unsigned char *in, unsigned char *out)
{
- smbhash(out, in, p14, 0);
- smbhash(out+8, in+8, p14+7, 0);
+ des_crypt56(out, in, p14, 0);
+ des_crypt56(out+8, in+8, p14+7, 0);
}
void E_old_pw_hash( unsigned char *p14, const unsigned char *in, unsigned char *out)
{
- smbhash(out, in, p14, 1);
- smbhash(out+8, in+8, p14+7, 1);
+ des_crypt56(out, in, p14, 1);
+ des_crypt56(out+8, in+8, p14+7, 1);
}
-void cred_hash1(unsigned char *out, const unsigned char *in, const unsigned char *key)
+/* forward des encryption with a 128 bit key */
+void des_crypt128(unsigned char out[8], const unsigned char in[8], const unsigned char key[16])
{
unsigned char buf[8];
- smbhash(buf, in, key, 1);
- smbhash(out, buf, key+9, 1);
+ des_crypt56(buf, in, key, 1);
+ des_crypt56(out, buf, key+9, 1);
}
-void cred_hash2(unsigned char *out, const unsigned char *in, const unsigned char *key)
+/* forward des encryption with a 64 bit key */
+void des_crypt64(unsigned char out[8], const unsigned char in[8], const unsigned char key[8])
{
unsigned char buf[8];
- static unsigned char key2[8];
+ unsigned char key2[8];
- smbhash(buf, in, key, 1);
+ memset(key2,'\0',8);
+ des_crypt56(buf, in, key, 1);
key2[0] = key[7];
- smbhash(out, buf, key2, 1);
+ des_crypt56(out, buf, key2, 1);
}
-void cred_hash3(unsigned char *out, unsigned char *in, const unsigned char *key, int forw)
+/* des encryption with a 112 bit (14 byte) key */
+/* Note that if the forw is 1, and key is actually 8 bytes of key, followed by 6 bytes of zeros,
+ this is identical to des_crypt64(). JRA. */
+
+void des_crypt112(unsigned char out[8], const unsigned char in[8], const unsigned char key[14], int forw)
{
- static unsigned char key2[8];
+ unsigned char buf[8];
+ des_crypt56(buf, in, key, forw);
+ des_crypt56(out, buf, key+7, forw);
+}
- smbhash(out, in, key, forw);
+void cred_hash3(unsigned char *out, const unsigned char *in, const unsigned char *key, int forw)
+{
+ unsigned char key2[8];
+
+ memset(key2,'\0',8);
+ des_crypt56(out, in, key, forw);
key2[0] = key[7];
- smbhash(out + 8, in + 8, key2, forw);
+ des_crypt56(out + 8, in + 8, key2, forw);
}
-void SamOEMhash( unsigned char *data, const unsigned char *key, int val)
+/* des encryption of a 16 byte lump of data with a 112 bit key */
+/* Note that if the key is actually 8 bytes of key, followed by 6 bytes of zeros,
+ this is identical to cred_hash3(). JRA. */
+
+void des_crypt112_16(unsigned char out[16], unsigned char in[16], const unsigned char key[14], int forw)
{
- unsigned char s_box[256];
- unsigned char index_i = 0;
- unsigned char index_j = 0;
- unsigned char j = 0;
- int ind;
-
- for (ind = 0; ind < 256; ind++)
- {
- s_box[ind] = (unsigned char)ind;
- }
-
- for( ind = 0; ind < 256; ind++)
- {
- unsigned char tc;
-
- j += (s_box[ind] + key[ind%16]);
-
- tc = s_box[ind];
- s_box[ind] = s_box[j];
- s_box[j] = tc;
- }
- for( ind = 0; ind < val; ind++)
- {
- unsigned char tc;
- unsigned char t;
-
- index_i++;
- index_j += s_box[index_i];
-
- tc = s_box[index_i];
- s_box[index_i] = s_box[index_j];
- s_box[index_j] = tc;
-
- t = s_box[index_i] + s_box[index_j];
- data[ind] = data[ind] ^ s_box[t];
- }
+ des_crypt56(out, in, key, forw);
+ des_crypt56(out + 8, in + 8, key+7, forw);
}
-void SamOEMhashBlob( unsigned char *data, int len, DATA_BLOB *key)
+/*****************************************************************
+ arc4 crypt/decrypt with a 16 byte key.
+*****************************************************************/
+
+void SamOEMhash( unsigned char *data, const unsigned char key[16], size_t len)
+{
+ struct arcfour_state arc4_state;
+ const DATA_BLOB keyblob = data_blob_const(key, 16);
+
+ arcfour_init(&arc4_state, &keyblob);
+ arcfour_crypt_sbox(&arc4_state, data, len);
+}
+
+void SamOEMhashBlob( unsigned char *data, size_t len, DATA_BLOB *key)
{
- unsigned char s_box[256];
- unsigned char index_i = 0;
- unsigned char index_j = 0;
- unsigned char j = 0;
- int ind;
-
- for (ind = 0; ind < 256; ind++)
- {
- s_box[ind] = (unsigned char)ind;
- }
-
- for( ind = 0; ind < 256; ind++)
- {
- unsigned char tc;
-
- j += (s_box[ind] + key->data[ind%key->length]);
-
- tc = s_box[ind];
- s_box[ind] = s_box[j];
- s_box[j] = tc;
- }
- for( ind = 0; ind < len; ind++)
- {
- unsigned char tc;
- unsigned char t;
-
- index_i++;
- index_j += s_box[index_i];
-
- tc = s_box[index_i];
- s_box[index_i] = s_box[index_j];
- s_box[index_j] = tc;
-
- t = s_box[index_i] + s_box[index_j];
- data[ind] = data[ind] ^ s_box[t];
- }
+ struct arcfour_state arc4_state;
+
+ arcfour_init(&arc4_state, key);
+ arcfour_crypt_sbox(&arc4_state, data, len);
}
/* Decode a sam password hash into a password. The password hash is the
s[2] = s[6] = s[10] = (uchar)((rid >> 16) & 0xFF);
s[3] = s[7] = s[11] = (uchar)((rid >> 24) & 0xFF);
- smbhash(out, in, s, forw);
- smbhash(out+8, in+8, s+7, forw);
+ des_crypt56(out, in, s, forw);
+ des_crypt56(out+8, in+8, s+7, forw);
}
git.samba.org / nivanova / samba-autobuild / .git / blobdiff