Added mechanism to provide alternative cipher / hash implementations
All symmetric cipher algorithms and hash algorithms now include support
for a POLARSSL_XXX_ALT flag that prevents the definition of the
algorithm context structure and all 'core' functions.
diff --git a/library/xtea.c b/library/xtea.c
index b4825dd..f8ab014 100644
--- a/library/xtea.c
+++ b/library/xtea.c
@@ -1,7 +1,7 @@
/*
* An 32-bit implementation of the XTEA algorithm
*
- * Copyright (C) 2006-2010, Brainspark B.V.
+ * Copyright (C) 2006-2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@@ -29,6 +29,8 @@
#include "polarssl/xtea.h"
+#if !defined(POLARSSL_XTEA_ALT)
+
/*
* 32-bit integer manipulation macros (big endian)
*/
@@ -160,6 +162,7 @@
return( 0 );
}
+#endif /* !POLARSSL_XTEA_ALT */
#if defined(POLARSSL_SELF_TEST)