1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include "authcmdlib.h"
5
6 /*
7 * print a key in des standard form
8 */
9 int
keyfmt(Fmt * f)10 keyfmt(Fmt *f)
11 {
12 uchar key[8];
13 char buf[32];
14 uchar *k;
15 int i;
16
17 k = va_arg(f->args, uchar*);
18 key[0] = 0;
19 for(i = 0; i < 7; i++){
20 key[i] |= k[i] >> i;
21 key[i] &= ~1;
22 key[i+1] = k[i] << (7 - i);
23 }
24 key[7] &= ~1;
25 snprint(buf, sizeof buf,
26 "%.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo %.3uo",
27 key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7]);
28 fmtstrcpy(f, buf);
29 return 0;
30 }
31