{
Bignum b;
+ if (*datalen < 20)
+ return NULL;
+
b = bignum_from_bytes((unsigned char *)*data, 20);
*data += 20;
*datalen -= 20;
freebn(w);
freebn(sha);
+ freebn(u1);
+ freebn(u2);
freebn(gu1p);
freebn(yu2p);
freebn(gu1yu2p);
ytest = modpow(dss->g, dss->x, dss->p);
if (0 != bignum_cmp(ytest, dss->y)) {
dss_freekey(dss);
+ freebn(ytest);
return NULL;
}
freebn(ytest);
dss->x = getmp(b, len);
if (!dss->p || !dss->q || !dss->g || !dss->y || !dss->x) {
- sfree(dss->p);
- sfree(dss->q);
- sfree(dss->g);
- sfree(dss->y);
- sfree(dss->x);
+ freebn(dss->p);
+ freebn(dss->q);
+ freebn(dss->g);
+ freebn(dss->y);
+ freebn(dss->x);
sfree(dss);
return NULL;
}