Optimize CAST for size on 64-bit platforms. For reference, CAST_LONG being

unsigned long must be attributed to 16-bit support. As we don't support
16-bit platoforms anymore, there is no reason to waste twice required
space on CAST S-boxes (16KB vs. 8KB) or key schedule.

diff --git a/crypto/cast/cast.h b/crypto/cast/cast.h
index 90b45b950aa8dcbc2b2156c3523c8a337281b3d3..79bb297c1a05da9204ee801dba1b043cbb02ba38 100644 (file)
--- a/crypto/cast/cast.h
+++ b/crypto/cast/cast.h
@@ -72,7 +72,7 @@ extern "C" {
 #define CAST_ENCRYPT   1
 #define CAST_DECRYPT   0
 
-#define CAST_LONG unsigned long
+#define CAST_LONG unsigned int
 
 #define CAST_BLOCK     8
 #define CAST_KEY_LENGTH        16