-/* $OpenBSD: key.c,v 1.81 2009/12/11 18:16:33 markus Exp $ */
+/* $OpenBSD: key.c,v 1.82 2010/01/13 01:10:56 dtucker Exp $ */
/*
* read_bignum():
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
return -1;
if (!read_bignum(cpp, ret->rsa->n))
return -1;
+ /* validate the claimed number of bits */
+ if ((u_int)BN_num_bits(ret->rsa->n) != bits) {
+ verbose("key_read: claimed key size %d does not match "
+ "actual %d", bits, BN_num_bits(ret->rsa->n));
+ return -1;
+ }
success = 1;
break;
case KEY_UNSPEC: