1 files changed, 86 insertions, 0 deletions
diff --git a/sys/crypto/rc5/rc5.h b/sys/crypto/rc5/rc5.h
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+++ b/sys/crypto/rc5/rc5.h
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+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 THE PROJECT OR CONTRIBUTORS 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 _RFC2040_RC5_H_
+#define	_RFC2040_RC5_H_
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+
+/*
+ * if RC5_WORD change, W also may be changed.
+ */
+typedef u_int32_t	RC5_WORD;
+
+#define	W		(32)
+#define	WW		(W / 8)
+#define	ROT_MASK	(W - 1)
+#define	BB		((2 * W) / 8)
+
+#define	SHLL(x, s)	((RC5_WORD)((x) << ((s)&ROT_MASK)))
+#define	SHLR(x, s, w)	((RC5_WORD)((x) >> ((w)-((s)&ROT_MASK))))
+#define	SHRL(x, s, w)	((RC5_WORD)((x) << ((w)-((s)&ROT_MASK))))
+#define	SHRR(x, s)	((RC5_WORD)((x) >> ((s)&ROT_MASK)))
+
+#define	ROTL(x, s, w)	((RC5_WORD)(SHLL((x), (s))|SHLR((x), (s), (w))))
+#define	ROTR(x, s, w)	((RC5_WORD)(SHRL((x), (s), (w))|SHRR((x), (s))))
+
+#define	P16	0xb7e1
+#define	Q16	0x9e37
+#define	P32	0xb7e15163
+#define	Q32	0x9e3779b9
+#define	P64	0xb7e151628aed2a6b
+#define	Q64	0x9e3779b97f4a7c15
+
+#if W == 16
+#define	Pw	P16
+#define	Qw	Q16
+#elif W == 32
+#define	Pw	P32
+#define	Qw	Q32
+#elif W == 64
+#define	Pw	P64
+#define	Qw	Q64
+#endif
+
+#define	RC5_ENCRYPT	1
+#define	RC5_DECRYPT	0
+
+extern void set_rc5_expandkey __P((RC5_WORD *, u_int8_t *, size_t, int));
+extern void rc5_encrypt_round16 __P((u_int8_t *, const u_int8_t *,
+				const RC5_WORD *));
+extern void rc5_decrypt_round16 __P((u_int8_t *, const u_int8_t *,
+				const RC5_WORD *));
+extern void rc5_cbc_process __P((struct mbuf *, size_t, size_t, RC5_WORD *,
+				u_int8_t *, int));
+
+#endif