Replaced system SQLite with SQLCipher to support encrypted database

Sources/DataLiteC/libtomcrypt/encauth/ocb/ocb_ntz.c

@@ -0,0 +1,30 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
+/**
+   @file ocb_ntz.c
+   OCB implementation, internal function, by Tom St Denis
+*/
+
+#include "tomcrypt_private.h"
+
+#ifdef LTC_OCB_MODE
+
+/**
+   Returns the number of leading zero bits [from lsb up]
+   @param x  The 32-bit value to observe
+   @return   The number of bits [from the lsb up] that are zero
+*/
+int ocb_ntz(unsigned long x)
+{
+   int c;
+   x &= 0xFFFFFFFFUL;
+   c = 0;
+   while ((x & 1) == 0) {
+      ++c;
+      x >>= 1;
+   }
+   return c;
+}
+
+#endif