1 #include "os.h"
2 #include <libsec.h>
3 
4 char*
5 sha1pickle(SHA1state *s)
6 {
7 	char *p;
8 	int m, n;
9 
10 	m = 5*9+4*((s->blen+3)/3);
11 	p = malloc(m);
12 	if(p == nil)
13 		return p;
14 	n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux %8.8ux ",
15 		s->state[0], s->state[1], s->state[2],
16 		s->state[3], s->state[4]);
17 	enc64(p+n, m-n, s->buf, s->blen);
18 	return p;
19 }
20 
21 SHA1state*
22 sha1unpickle(char *p)
23 {
24 	SHA1state *s;
25 
26 	s = malloc(sizeof(*s));
27 	if(s == nil)
28 		return nil;
29 	s->state[0] = strtoul(p, &p, 16);
30 	s->state[1] = strtoul(p, &p, 16);
31 	s->state[2] = strtoul(p, &p, 16);
32 	s->state[3] = strtoul(p, &p, 16);
33 	s->state[4] = strtoul(p, &p, 16);
34 	s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
35 	s->malloced = 1;
36 	s->seeded = 1;
37 	return s;
38 }