-/* $OpenBSD: auth-rsa.c,v 1.71 2006/08/03 03:34:41 deraadt Exp $ */
+/* $OpenBSD: auth-rsa.c,v 1.72 2006/11/06 21:25:27 markus Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
if ((challenge = BN_new()) == NULL)
fatal("auth_rsa_generate_challenge: BN_new() failed");
/* Generate a random challenge. */
- BN_rand(challenge, 256, 0, 0);
+ if (BN_rand(challenge, 256, 0, 0) == 0)
+ fatal("auth_rsa_generate_challenge: BN_rand failed");
if ((ctx = BN_CTX_new()) == NULL)
- fatal("auth_rsa_generate_challenge: BN_CTX_new() failed");
- BN_mod(challenge, challenge, key->rsa->n, ctx);
+ fatal("auth_rsa_generate_challenge: BN_CTX_new failed");
+ if (BN_mod(challenge, challenge, key->rsa->n, ctx) == 0)
+ fatal("auth_rsa_generate_challenge: BN_mod failed");
BN_CTX_free(ctx);
return challenge;