1 #include <u.h>
2 #include <libc.h>
3 #include <authsrv.h>
4 
5 int
6 passtokey(char *key, char *p)
7 {
8 	uchar buf[ANAMELEN], *t;
9 	int i, n;
10 
11 	n = strlen(p);
12 	if(n >= ANAMELEN)
13 		n = ANAMELEN-1;
14 	memset(buf, ' ', 8);
15 	t = buf;
16 	strncpy((char*)t, p, n);
17 	t[n] = 0;
18 	memset(key, 0, DESKEYLEN);
19 	for(;;){
20 		for(i = 0; i < DESKEYLEN; i++)
21 			key[i] = (t[i] >> i) + (t[i+1] << (8 - (i+1)));
22 		if(n <= 8)
23 			return 1;
24 		n -= 8;
25 		t += 8;
26 		if(n < 8){
27 			t -= 8 - n;
28 			n = 8;
29 		}
30 		encrypt(key, t, 8);
31 	}
32 }