commit 61f412eb587dcb842c9388b93505bc078a58aac4
author Teppo Järvelin <teppo.jarvelin@arm.com> Thu Oct 03 12:25:22 2019 +0300
committer Teppo Järvelin <teppo.jarvelin@arm.com> Thu Oct 03 13:14:33 2019 +0300
tree aeec04ea080257880d100f8e848b7d91bbe739e1
parent 51f65e4b86f59c7976168eeb61dbe16bbda88356

Changed every memcmp to SCA equivalent mbedtls_platform_memcmp

This makes physical attacks more difficult.
Selftest memcmp functions were not changed.

library/asn1write.c

diff --git a/library/asn1write.c b/library/asn1write.c
index c0b4622..6e5badb 100644
--- a/library/asn1write.c
+++ b/library/asn1write.c
@@ -347,7 +347,7 @@
     while( list != NULL )
     {
         if( list->oid.len == len &&
-            memcmp( list->oid.p, oid, len ) == 0 )
+            mbedtls_platform_memcmp( list->oid.p, oid, len ) == 0 )
         {
             break;
         }