diff options
Diffstat (limited to 'lib/libcrypto/dh/dh_check.c')
-rw-r--r-- | lib/libcrypto/dh/dh_check.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libcrypto/dh/dh_check.c b/lib/libcrypto/dh/dh_check.c index 93e1003bd64..a6010f0a6dc 100644 --- a/lib/libcrypto/dh/dh_check.c +++ b/lib/libcrypto/dh/dh_check.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dh_check.c,v 1.15 2015/02/07 13:19:15 doug Exp $ */ +/* $OpenBSD: dh_check.c,v 1.16 2016/07/05 02:54:35 bcook Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -89,10 +89,14 @@ DH_check(const DH *dh, int *ret) if (BN_is_word(dh->g, DH_GENERATOR_2)) { l = BN_mod_word(dh->p, 24); + if (l == (BN_ULONG)-1) + goto err; if (l != 11) *ret |= DH_NOT_SUITABLE_GENERATOR; } else if (BN_is_word(dh->g, DH_GENERATOR_5)) { l = BN_mod_word(dh->p, 10); + if (l == (BN_ULONG)-1) + goto err; if (l != 3 && l != 7) *ret |= DH_NOT_SUITABLE_GENERATOR; } else |