- 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);
- }
+ 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);