X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/83c017f3fb115a67734e94dca02095b62cae5e80..8dd8c294e9f330eb6b975c2b96cf9bbfcd087e5e:/serpent-sbox.h

diff --git a/serpent-sbox.h b/serpent-sbox.h
new file mode 100644
index 0000000..7285bb2
--- /dev/null
+++ b/serpent-sbox.h
@@ -0,0 +1,238 @@
+/* -*-c-*-
+ *
+ * $Id: serpent-sbox.h,v 1.1 2000/06/17 12:08:43 mdw Exp $
+ *
+ * Bitslice S-box implementations
+ *
+ * (c) 2000 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------* 
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ * 
+ * Catacomb is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Library General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Library General Public
+ * License along with Catacomb; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Revision history --------------------------------------------------* 
+ *
+ * $Log: serpent-sbox.h,v $
+ * Revision 1.1  2000/06/17 12:08:43  mdw
+ * New cipher.
+ *
+ */
+
+/*----- Credit where it's due ---------------------------------------------*
+ *
+ * These S-box expressions are taken from the paper `Speeding up Serpent', by
+ * Dag Arne Osvik, submitted to AES3.
+ */
+
+#ifndef CATACOMB_SERPENT_SBOX_H
+#define CATACOMB_SERPENT_SBOX_H
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <mLib/bits.h>
+
+/*----- Macros provided ---------------------------------------------------*/
+
+/* --- @S0@ --- */
+
+#define S0(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r3 ^= r0; r4  = r1; r1 &= r3; r4 ^= r2;				\
+  r1 ^= r0; r0 |= r3; r0 ^= r4; r4 ^= r3;				\
+  r3 ^= r2; r2 |= r1; r2 ^= r4; r4 = ~r4;				\
+  r4 |= r1; r1 ^= r3; r1 ^= r4; r3 |= r0;				\
+  r1 ^= r3; r4 ^= r3;							\
+  r3 = r0; r0 = r1; r1 = r4;						\
+} while (0)
+
+#define IS0(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r2 = ~r2; r4  = r1; r1 |= r0; r4 = ~r4;				\
+  r1 ^= r2; r2 |= r4; r1 ^= r3; r0 ^= r4;				\
+  r2 ^= r0; r0 &= r3; r4 ^= r0; r0 |= r1;				\
+  r0 ^= r2; r3 ^= r4; r2 ^= r1; r3 ^= r0;				\
+  r3 ^= r1; r2 &= r3; r4 ^= r2;						\
+  r2 = r1; r1 = r4;							\
+} while (0)
+
+/* --- @S1@ --- */
+
+#define S1(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r0 = ~r0; r2 = ~r2; r4  = r0; r0 &= r1;				\
+  r2 ^= r0; r0 |= r3; r3 ^= r2; r1 ^= r0;				\
+  r0 ^= r4; r4 |= r1; r1 ^= r3; r2 |= r0;				\
+  r2 &= r4; r0 ^= r1; r1 &= r2; r1 ^= r0;				\
+  r0 &= r2; r0 ^= r4;							\
+  r4 = r0; r0 = r2; r2 = r3; r3 = r1; r1 = r4;				\
+} while (0)
+
+#define IS1(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r4  = r1; r1 ^= r3; r3 &= r1; r4 ^= r2;				\
+  r3 ^= r0; r0 |= r1; r2 ^= r3; r0 ^= r4;				\
+  r0 |= r2; r1 ^= r3; r0 ^= r1; r1 |= r3;				\
+  r1 ^= r0; r4 = ~r4; r4 ^= r1; r1 |= r0;				\
+  r1 ^= r0; r1 |= r4; r3 ^= r1;						\
+  r1 = r0; r0 = r4; r4 = r2; r2 = r3; r3 = r4;				\
+} while (0)
+
+/* --- @S2@ --- */
+
+#define S2(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r4  = r0; r0 &= r2; r0 ^= r3; r2 ^= r1;				\
+  r2 ^= r0; r3 |= r4; r3 ^= r1; r4 ^= r2;				\
+  r1  = r3; r3 |= r4; r3 ^= r0; r0 &= r1;				\
+  r4 ^= r0; r1 ^= r3; r1 ^= r4; r4 = ~r4;				\
+  r0 = r2; r2 = r1; r1 = r3; r3 = r4;					\
+} while (0)
+
+#define IS2(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r2 ^= r3; r3 ^= r0; r4  = r3; r3 &= r2;				\
+  r3 ^= r1; r1 |= r2; r1 ^= r4; r4 &= r3;				\
+  r2 ^= r3; r4 &= r0; r4 ^= r2; r2 &= r1;				\
+  r2 |= r0; r3 = ~r3; r2 ^= r3; r0 ^= r3;				\
+  r0 &= r1; r3 ^= r4; r3 ^= r0;						\
+  r0 = r1; r1 = r4;							\
+} while (0)
+
+/* --- @S3@ --- */
+
+#define S3(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r4  = r0; r0 |= r3; r3 ^= r1; r1 &= r4;				\
+  r4 ^= r2; r2 ^= r3; r3 &= r0; r4 |= r1;				\
+  r3 ^= r4; r0 ^= r1; r4 &= r0; r1 ^= r3;				\
+  r4 ^= r2; r1 |= r0; r1 ^= r2; r0 ^= r3;				\
+  r2  = r1; r1 |= r3; r1 ^= r0;						\
+  r0 = r1; r1 = r2; r2 = r3; r3 = r4;					\
+} while (0)
+
+#define IS3(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r4  = r2; r2 ^= r1; r0 ^= r2; r4 &= r2;				\
+  r4 ^= r0; r0 &= r1; r1 ^= r3; r3 |= r4;				\
+  r2 ^= r3; r0 ^= r3; r1 ^= r4; r3 &= r2;				\
+  r3 ^= r1; r1 ^= r0; r1 |= r2; r0 ^= r3;				\
+  r1 ^= r4; r0 ^= r1;							\
+  r4 = r0; r0 = r2; r2 = r3; r3 = r4;					\
+} while (0)
+
+/* --- @S4@ --- */
+
+#define S4(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r1 ^= r3; r3 = ~r3; r2 ^= r3; r3 ^= r0;				\
+  r4  = r1; r1 &= r3; r1 ^= r2; r4 ^= r3;				\
+  r0 ^= r4; r2 &= r4; r2 ^= r0; r0 &= r1;				\
+  r3 ^= r0; r4 |= r1; r4 ^= r0; r0 |= r3;				\
+  r0 ^= r2; r2 &= r3; r0 = ~r0; r4 ^= r2;				\
+  r2 = r0; r0 = r1; r1 = r4;						\
+} while (0)
+
+#define IS4(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r4  = r2; r2 &= r3; r2 ^= r1; r1 |= r3;				\
+  r1 &= r0; r4 ^= r2; r4 ^= r1; r1 &= r2;				\
+  r0 = ~r0; r3 ^= r4; r1 ^= r3; r3 &= r0;				\
+  r3 ^= r2; r0 ^= r1; r2 &= r0; r3 ^= r0;				\
+  r2 ^= r4, r2 |= r3; r3 ^= r0; r2 ^= r1;				\
+  r1 = r3; r3 = r4;							\
+} while (0)
+
+/* --- @S5@ --- */
+
+#define S5(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r0 ^= r1; r1 ^= r3; r3 = ~r3; r4  = r1;				\
+  r1 &= r0; r2 ^= r3; r1 ^= r2; r2 |= r4;				\
+  r4 ^= r3; r3 &= r1; r3 ^= r0; r4 ^= r1;				\
+  r4 ^= r2; r2 ^= r0; r0 &= r3; r2 = ~r2;				\
+  r0 ^= r4; r4 |= r3; r2 ^= r4;						\
+  r4 = r3; r3 = r2; r2 = r0; r0 = r1; r1 = r4;				\
+} while (0)
+
+#define IS5(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r1 = ~r1; r4  = r3; r2 ^= r1; r3 |= r0;				\
+  r3 ^= r2; r2 |= r1; r2 &= r0; r4 ^= r3;				\
+  r2 ^= r4; r4 |= r0; r4 ^= r1; r1 &= r2;				\
+  r1 ^= r3; r4 ^= r2; r3 &= r4; r4 ^= r1;				\
+  r3 ^= r4; r4 = ~r4; r3 ^= r0;						\
+  r0 = r1; r1 = r4; r4 = r3; r3 = r2; r2 = r4;				\
+} while (0)
+
+/* --- @S6@ --- */
+
+#define S6(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r2 = ~r2; r4  = r3; r3 &= r0; r0 ^= r4;				\
+  r3 ^= r2; r2 |= r4; r1 ^= r3; r2 ^= r0;				\
+  r0 |= r1; r2 ^= r1; r4 ^= r0; r0 |= r3;				\
+  r0 ^= r2; r4 ^= r3; r4 ^= r0; r3 = ~r3;				\
+  r2 &= r4; r2 ^= r3;							\
+  r3 = r2; r2 = r4;							\
+} while (0)
+
+#define IS6(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r0 ^= r2; r4  = r2; r2 &= r0; r4 ^= r3;				\
+  r2 = ~r2; r3 ^= r1; r2 ^= r3; r4 |= r0;				\
+  r0 ^= r2; r3 ^= r4; r4 ^= r1; r1 &= r3;				\
+  r1 ^= r0; r0 ^= r3; r0 |= r2; r3 ^= r1;				\
+  r4 ^= r0;								\
+  r0 = r1; r1 = r2; r2 = r4;						\
+} while (0)
+
+/* --- @S7@ --- */
+
+#define S7(r0, r1, r2, r3) do {						\
+  uint32 r4;								\
+  r4  = r1; r1 |= r2; r1 ^= r3; r4 ^= r2;				\
+  r2 ^= r1; r3 |= r4; r3 &= r0; r4 ^= r2;				\
+  r3 ^= r1; r1 |= r4; r1 ^= r0; r0 |= r4;				\
+  r0 ^= r2; r1 ^= r4; r2 ^= r1; r1 &= r0;				\
+  r1 ^= r4; r2 = ~r2; r2 |= r0; r4 ^= r2;				\
+  r2 = r1; r1 = r3; r3 = r0; r0 = r4;					\
+} while (0)
+
+#define IS7(r0, r1, r2, r3) do {					\
+  uint32 r4;								\
+  r4  = r2; r2 ^= r0; r0 &= r3; r4 |= r3;				\
+  r2 = ~r2; r3 ^= r1; r1 |= r0; r0 ^= r2;				\
+  r2 &= r4; r3 &= r4; r1 ^= r2; r2 ^= r0;				\
+  r0 |= r2; r4 ^= r1; r0 ^= r3; r3 ^= r4;				\
+  r4 |= r0; r3 ^= r2; r4 ^= r2;						\
+  r2 = r1; r1 = r0; r0 = r3; r3 = r4;					\
+} while (0)
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif