drawterm/libsec/md5pickle.c

38 lines
657 B
C

#include "os.h"
#include <libsec.h>
char*
md5pickle(MD5state *s)
{
char *p;
int m, n;
m = 4*9+4*((s->blen+3)/3);
p = malloc(m);
if(p == nil)
return p;
n = sprint(p, "%8.8ux %8.8ux %8.8ux %8.8ux ",
s->state[0], s->state[1], s->state[2],
s->state[3]);
enc64(p+n, m-n, s->buf, s->blen);
return p;
}
MD5state*
md5unpickle(char *p)
{
MD5state *s;
s = malloc(sizeof(*s));
if(s == nil)
return nil;
s->state[0] = strtoul(p, &p, 16);
s->state[1] = strtoul(p, &p, 16);
s->state[2] = strtoul(p, &p, 16);
s->state[3] = strtoul(p, &p, 16);
s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
s->malloced = 1;
s->seeded = 1;
return s;
}