Replaced system SQLite with SQLCipher to support encrypted database

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

@@ -0,0 +1,27 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
+/**
+   @file ocb_shift_xor.c
+   OCB implementation, internal function, by Tom St Denis
+*/
+#include "tomcrypt_private.h"
+
+#ifdef LTC_OCB_MODE
+
+/**
+   Compute the shift/xor for OCB (internal function)
+   @param ocb  The OCB state
+   @param Z    The destination of the shift
+*/
+void ocb_shift_xor(ocb_state *ocb, unsigned char *Z)
+{
+   int x, y;
+   y = ocb_ntz(ocb->block_index++);
+   for (x = 0; x < ocb->block_len; x++) {
+       ocb->Li[x] ^= ocb->Ls[y][x];
+       Z[x]        = ocb->Li[x] ^ ocb->R[x];
+   }
+}
+
+#endif