Replaced system SQLite with SQLCipher to support encrypted database

Sources/DataLiteC/libtomcrypt/encauth/gcm/gcm_mult_h.c

@@ -0,0 +1,47 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+
+/**
+   @file gcm_mult_h.c
+   GCM implementation, do the GF mult, by Tom St Denis
+*/
+#include "tomcrypt_private.h"
+
+#if defined(LTC_GCM_MODE)
+/**
+  GCM multiply by H
+  @param gcm   The GCM state which holds the H value
+  @param I     The value to multiply H by
+ */
+void gcm_mult_h(const gcm_state *gcm, unsigned char *I)
+{
+   unsigned char T[16];
+#ifdef LTC_GCM_TABLES
+   int x;
+#ifdef LTC_GCM_TABLES_SSE2
+   __asm__("movdqa (%0),%%xmm0"::"r"(&gcm->PC[0][I[0]][0]));
+   for (x = 1; x < 16; x++) {
+      __asm__("pxor (%0),%%xmm0"::"r"(&gcm->PC[x][I[x]][0]));
+   }
+   __asm__("movdqa %%xmm0,(%0)"::"r"(&T));
+#else
+   int y;
+   XMEMCPY(T, &gcm->PC[0][I[0]][0], 16);
+   for (x = 1; x < 16; x++) {
+#ifdef LTC_FAST
+       for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) {
+           *(LTC_FAST_TYPE_PTR_CAST(T + y)) ^= *(LTC_FAST_TYPE_PTR_CAST(&gcm->PC[x][I[x]][y]));
+       }
+#else
+       for (y = 0; y < 16; y++) {
+           T[y] ^= gcm->PC[x][I[x]][y];
+       }
+#endif /* LTC_FAST */
+   }
+#endif /* LTC_GCM_TABLES_SSE2 */
+#else
+   gcm_gf_mult(gcm->H, I, T);
+#endif
+   XMEMCPY(I, T, 16);
+}
+#endif