Subversion Repositories planix.SVN

#include "os.h"
#include <libsec.h>

char*
sha1pickle(SHA1state *s)
{
        char *p;
        int m, n;

        m = 5*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 %8.8ux ",
                s->state[0], s->state[1], s->state[2],
                s->state[3], s->state[4]);
        enc64(p+n, m-n, s->buf, s->blen);
        return p;
}

SHA1state*
sha1unpickle(char *p)
{
        SHA1state *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->state[4] = strtoul(p, &p, 16);
        s->blen = dec64(s->buf, sizeof(s->buf), p, strlen(p));
        s->malloced = 1;
        s->seeded = 1;
        return s;
}