merge of '5fdf69ca60d1683cdd9f4c2595134bed26394834'

     and '6b61c50f4cf888bea302ac8fcf5dbb573b443251'

--HG--
extra : convert_revision : b1dd3b94e60a07a176dba2b035ac79968595990a

1 files changed, 39 insertions, 0 deletions

diff --git a/libtomcrypt/src/mac/pmac/pmac_ntz.c b/libtomcrypt/src/mac/pmac/pmac_ntz.c
new file mode 100644
index 0000000..8322563
--- /dev/null
+++ b/libtomcrypt/src/mac/pmac/pmac_ntz.c
@@ -0,0 +1,39 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
+ */
+#include "tomcrypt.h"
+
+/** 
+   @file pmac_ntz.c
+   PMAC implementation, internal function, by Tom St Denis 
+*/
+
+#ifdef LTC_PMAC
+
+/**
+  Internal PMAC function
+*/
+int pmac_ntz(unsigned long x)
+{
+   int c;
+   x &= 0xFFFFFFFFUL;
+   c = 0;
+   while ((x & 1) == 0) {
+      ++c;
+      x >>= 1;
+   }
+   return c;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_ntz.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/11/03 00:39:49 $ */