Make memory access pattern constant
diff --git a/include/polarssl/bignum.h b/include/polarssl/bignum.h
index 6e2afac..f225fc3 100644
--- a/include/polarssl/bignum.h
+++ b/include/polarssl/bignum.h
@@ -246,7 +246,8 @@
* if( assign ) mpi_copy( X, Y );
* except that it avoids leaking any information about whether
* the assignment was done or not (the above code may leak
- * information through branch prediction analysis).
+ * information through branch prediction and/or memory access
+ * patterns analysis).
*/
int mpi_safe_cond_assign( mpi *X, mpi *Y, unsigned char assign );