commit 91d79387619e0a4fe6a0cc6e045102820b1a18d1
author Teppo Järvelin <teppo.jarvelin@arm.com> Wed Oct 02 09:09:31 2019 +0300
committer Teppo Järvelin <teppo.jarvelin@arm.com> Wed Oct 30 14:07:04 2019 +0200
tree 2b9aeda258513183faab54cdc313c91e5ce989ff
parent aeecf04be3ab7939a93ad6ad613a1f74a56c21b7

Changed every memcpy to SCA equivalent mbedtls_platform_memcpy

This makes physical attacks more difficult.

library/pk.c

diff --git a/library/pk.c b/library/pk.c
index 9f7ab4b..29123eb 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -512,7 +512,7 @@
 
     padding_len = to_len - unpadded_len;
     memset( to, 0x00, padding_len );
-    memcpy( to + padding_len, *from, unpadded_len );
+    mbedtls_platform_memcpy( to + padding_len, *from, unpadded_len );
     ( *from ) += unpadded_len;
 
     return( 0 );