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/ecjpake.c

diff --git a/library/ecjpake.c b/library/ecjpake.c
index cee56b4..ce62df4 100644
--- a/library/ecjpake.c
+++ b/library/ecjpake.c
@@ -225,7 +225,7 @@
     if( end < p || (size_t)( end - p ) < id_len )
         return( MBEDTLS_ERR_ECP_BUFFER_TOO_SMALL );
 
-    memcpy( p, id, id_len );
+    mbedtls_platform_memcpy( p, id, id_len );
     p += id_len;
 
     /* Compute hash */
@@ -983,7 +983,7 @@
     {
         size_t use_len = len > 4 ? 4 : len;
         x = 1664525 * x + 1013904223;
-        memcpy( out, &x, use_len );
+        mbedtls_platform_memcpy( out, &x, use_len );
         out += use_len;
         len -= use_len;
     }