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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2013-06-22 16:16:13 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-11-08 23:18:07 +0100 |
| commit | c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 (patch) | |
| tree | 5847c644cdfff3c1dd55b88b565448087ae89f11 /src/Common/GfMul.h | |
| download | VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.tar.gz VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.zip | |
Add original TrueCrypt 7.1a sources
Diffstat (limited to 'src/Common/GfMul.h')
| -rw-r--r-- | src/Common/GfMul.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/Common/GfMul.h b/src/Common/GfMul.h new file mode 100644 index 00000000..ce5aa022 --- /dev/null +++ b/src/Common/GfMul.h @@ -0,0 +1,76 @@ +/*
+ ---------------------------------------------------------------------------
+ Copyright (c) 2003, Dr Brian Gladman, Worcester, UK. All rights reserved.
+
+ LICENSE TERMS
+
+ The free distribution and use of this software is allowed (with or without
+ changes) provided that:
+
+ 1. source code distributions include the above copyright notice, this
+ list of conditions and the following disclaimer;
+
+ 2. binary distributions include the above copyright notice, this list
+ of conditions and the following disclaimer in their documentation;
+
+ 3. the name of the copyright holder is not used to endorse products
+ built using this software without specific written permission.
+
+ DISCLAIMER
+
+ This software is provided 'as is' with no explicit or implied warranties
+ in respect of its properties, including, but not limited to, correctness
+ and/or fitness for purpose.
+ ---------------------------------------------------------------------------
+ Issue Date: 31/01/2004
+*/
+
+/* Adapted for TrueCrypt */
+
+#ifndef _GCM_H
+#define _GCM_H
+
+#include "Tcdefs.h"
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#define CBLK_LEN 16 /* encryption block length */
+#define CBLK_LEN8 8
+
+typedef struct
+{
+ unsigned __int32 gf_t8k[CBLK_LEN * 2][16][CBLK_LEN / 4];
+} GfCtx8k;
+
+typedef struct
+{
+ unsigned __int32 gf_t4k[CBLK_LEN8 * 2][16][CBLK_LEN / 4];
+} GfCtx4k64;
+
+typedef struct
+{
+ /* union not used to support faster mounting */
+ unsigned __int32 gf_t128[CBLK_LEN * 2 / 2][16][CBLK_LEN / 4];
+ unsigned __int32 gf_t64[CBLK_LEN8 * 2][16][CBLK_LEN8 / 4];
+} GfCtx;
+
+typedef int ret_type;
+
+void GfMul128 (void *a, const void* b);
+void GfMul128Tab(unsigned char a[16], GfCtx8k *ctx);
+int Gf128Tab64Init (unsigned __int8 *a, GfCtx *ctx);
+void Gf128MulBy64Tab (unsigned __int8 a[8], unsigned __int8 p[16], GfCtx *ctx);
+int Gf64TabInit (unsigned __int8 *a, GfCtx *ctx);
+void Gf64MulTab (unsigned char a[8], unsigned char p[8], GfCtx *ctx);
+void MirrorBits128 (unsigned __int8 *a);
+void MirrorBits64 (unsigned __int8 *a);
+BOOL GfMulSelfTest ();
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif
|