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/ssl_ticket.c

diff --git a/library/ssl_ticket.c b/library/ssl_ticket.c
index 285e736..b5cd901 100644
--- a/library/ssl_ticket.c
+++ b/library/ssl_ticket.c
@@ -259,7 +259,7 @@
     unsigned char i;
 
     for( i = 0; i < sizeof( ctx->keys ) / sizeof( *ctx->keys ); i++ )
-        if( memcmp( name, ctx->keys[i].name, 4 ) == 0 )
+        if( mbedtls_platform_memcmp( name, ctx->keys[i].name, 4 ) == 0 )
             return( &ctx->keys[i] );
 
     return( NULL );