Implement coordinate blinding for EC_POINT as an additional mitigation

for the portsmash vulnerability.

OpenBSD 6.4 errata 003

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib/libcrypto/ec/ec2_smpl.c b/src/lib/libcrypto/ec/ec2_smpl.c
index 1ca04194b3..8ea635c7fa 100644
--- a/src/lib/libcrypto/ec/ec2_smpl.c
+++ b/src/lib/libcrypto/ec/ec2_smpl.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ec2_smpl.c,v 1.20 2018/07/16 17:32:39 tb Exp $ */
+/* $OpenBSD: ec2_smpl.c,v 1.20.2.1 2018/11/17 18:55:41 tb Exp $ */
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  *
@@ -115,6 +115,7 @@ EC_GF2m_simple_method(void)
                 .field_mul = ec_GF2m_simple_field_mul,
                 .field_sqr = ec_GF2m_simple_field_sqr,
                 .field_div = ec_GF2m_simple_field_div,
+                .blind_coordinates = NULL,
         };
 
         return &ret;