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/md2.c b/library/md2.c
index 954aa07..2c8754a 100644
--- a/library/md2.c
+++ b/library/md2.c
@@ -1,7 +1,7 @@
/*
* RFC 1115/1319 compliant MD2 implementation
*
- * 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>
@@ -39,6 +39,8 @@
#include <stdio.h>
#endif
+#if !defined(POLARSSL_MD2_ALT)
+
static const unsigned char PI_SUBST[256] =
{
0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36,
@@ -163,6 +165,8 @@
memcpy( output, ctx->state, 16 );
}
+#endif /* !POLARSSL_MD2_ALT */
+
/*
* output = MD2( input buffer )
*/