#include <stdlib.h>
Go to the source code of this file.
◆ smb_arc4_crypt_ntlmssp()
void smb_arc4_crypt_ntlmssp |
( |
unsigned char |
arc4_state_inout[258], |
|
|
unsigned char * |
data, |
|
|
size_t |
len |
|
) |
| |
Definition at line 57 of file arc4.c.
59 unsigned char index_i = arc4_state_inout[256];
60 unsigned char index_j = arc4_state_inout[257];
63 for( ind = 0; ind < len; ind++) {
68 index_j += arc4_state_inout[index_i];
70 tc = arc4_state_inout[index_i];
71 arc4_state_inout[index_i] = arc4_state_inout[index_j];
72 arc4_state_inout[index_j] = tc;
74 t = arc4_state_inout[index_i] + arc4_state_inout[index_j];
75 data[ind] = data[ind] ^ arc4_state_inout[t];
78 arc4_state_inout[256] = index_i;
79 arc4_state_inout[257] = index_j;
◆ smb_arc4_init_ntlmssp()
void smb_arc4_init_ntlmssp |
( |
unsigned char |
arc4_state_out[258], |
|
|
const unsigned char * |
key, |
|
|
size_t |
keylen |
|
) |
| |
Definition at line 30 of file arc4.c.
35 for (ind = 0; ind < 256; ind++) {
36 arc4_state_out[ind] = (
unsigned char)ind;
39 for( ind = 0; ind < 256; ind++) {
42 j += (arc4_state_out[ind] + key[ind%keylen]);
44 tc = arc4_state_out[ind];
45 arc4_state_out[ind] = arc4_state_out[j];
46 arc4_state_out[j] = tc;
48 arc4_state_out[256] = 0;
49 arc4_state_out[257] = 0;