- if ((sig = DSA_SIG_new()) == NULL)
- fatal("ssh_dss_verify: DSA_SIG_new failed");
- if ((sig->r = BN_new()) == NULL)
- fatal("ssh_dss_verify: BN_new failed");
- if ((sig->s = BN_new()) == NULL)
- fatal("ssh_dss_verify: BN_new failed");
- if ((BN_bin2bn(sigblob, INTBLOB_LEN, sig->r) == NULL) ||
- (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s) == NULL))
- fatal("ssh_dss_verify: BN_bin2bn failed");
-
- /* clean up */
- memset(sigblob, 0, len);
- xfree(sigblob);
+ sig = DSA_SIG_new();
+ sig->r = BN_new();
+ sig->s = BN_new();
+ BN_bin2bn(sigblob, INTBLOB_LEN, sig->r);
+ BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s);
+
+ if (!(datafellows & SSH_BUG_SIGBLOB)) {
+ memset(sigblob, 0, len);
+ xfree(sigblob);
+ }