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;
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;
void smb_arc4_crypt_ntlmssp(unsigned char arc4_state_inout[258], unsigned char *data, size_t len)
void smb_arc4_init_ntlmssp(unsigned char arc4_state_out[258], const unsigned char *key, size_t keylen)