1 files changed, 91 insertions, 0 deletions
diff --git a/sys/crypto/cast128/cast128_subkey.h b/sys/crypto/cast128/cast128_subkey.h
new file mode 100644
index 0000000..3fd0103
--- /dev/null
+++ b/sys/crypto/cast128/cast128_subkey.h
@@ -0,0 +1,91 @@
+/*
+ * heavily modified by Tomomi Suzuki <suzuki@grelot.elec.ryukoku.ac.jp>
+ */
+/*
+ * The CAST-128 Encryption Algorithm (RFC 2144)
+ *
+ * original implementation <Hideo "Sir MaNMOS" Morisita>
+ * 1997/08/21
+ */
+/*
+ * Copyright (C) 1997 Hideo "Sir MANMOS" Morishita
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Hideo "Sir MaNMOS" Morishita ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL Hideo "Sir MaNMOS" Morishita BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef RFC2144_CAST_128_SUBKEY_H
+#define	RFC2144_CAST_128_SUBKEY_H
+
+#define	x0x1x2x3 buf[0]
+#define	x4x5x6x7 buf[1]
+#define	x8x9xAxB buf[2]
+#define	xCxDxExF buf[3]
+#define	z0z1z2z3 buf[4]
+#define	z4z5z6z7 buf[5]
+#define	z8z9zAzB buf[6]
+#define	zCzDzEzF buf[7]
+
+#define	byte0(x) (((x) >> 24))
+#define	byte1(x) (((x) >> 16) & 0xff)
+#define	byte2(x) (((x) >> 8) & 0xff)
+#define	byte3(x) (((x)) & 0xff)
+
+#define	x0 byte0(buf[0])
+#define	x1 byte1(buf[0])
+#define	x2 byte2(buf[0])
+#define	x3 byte3(buf[0])
+#define	x4 byte0(buf[1])
+#define	x5 byte1(buf[1])
+#define	x6 byte2(buf[1])
+#define	x7 byte3(buf[1])
+#define	x8 byte0(buf[2])
+#define	x9 byte1(buf[2])
+#define	xA byte2(buf[2])
+#define	xB byte3(buf[2])
+#define	xC byte0(buf[3])
+#define	xD byte1(buf[3])
+#define	xE byte2(buf[3])
+#define	xF byte3(buf[3])
+#define	z0 byte0(buf[4])
+#define	z1 byte1(buf[4])
+#define	z2 byte2(buf[4])
+#define	z3 byte3(buf[4])
+#define	z4 byte0(buf[5])
+#define	z5 byte1(buf[5])
+#define	z6 byte2(buf[5])
+#define	z7 byte3(buf[5])
+#define	z8 byte0(buf[6])
+#define	z9 byte1(buf[6])
+#define	zA byte2(buf[6])
+#define	zB byte3(buf[6])
+#define	zC byte0(buf[7])
+#define	zD byte1(buf[7])
+#define	zE byte2(buf[7])
+#define	zF byte3(buf[7])
+
+#define	circular_leftshift(x, y) ( ((x) << (y)) | ((x) >> (32-(y))) )
+
+#endif
+