1 files changed, 70 insertions, 0 deletions
diff --git a/keyexchange/isakmpd-20041012/hash.h b/keyexchange/isakmpd-20041012/hash.h
new file mode 100644
index 0000000..3af2350
--- /dev/null
+++ b/keyexchange/isakmpd-20041012/hash.h
@@ -0,0 +1,70 @@
+/* $OpenBSD: hash.h,v 1.7 2004/04/15 18:39:25 deraadt Exp $	 */
+/* $EOM: hash.h,v 1.6 1998/07/25 22:04:36 niklas Exp $	 */
+
+/*
+ * Copyright (c) 1998 Niels Provos.  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 THE AUTHOR ``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 AUTHOR 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.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+#ifndef _HASH_H_
+#define _HASH_H_
+
+/* Normal mode hash encapsulation */
+
+#define MD5_SIZE	16
+#define SHA1_SIZE	20
+#define HASH_MAX	SHA1_SIZE
+
+enum hashes {
+	HASH_MD5 = 0,
+	HASH_SHA1
+};
+
+struct hash {
+	enum hashes     type;
+	int             id;	/* ISAKMP/Oakley ID */
+	u_int8_t        hashsize;	/* Size of the hash */
+	void           *ctx;	/* Pointer to a context, for HMAC ictx */
+	unsigned char  *digest;	/* Pointer to a digest */
+	int             ctxsize;
+	void           *ctx2;	/* Pointer to a 2nd context, for HMAC octx */
+	void            (*Init) (void *);
+	void            (*Update) (void *, unsigned char *, unsigned int);
+	void            (*Final) (unsigned char *, void *);
+	void            (*HMACInit) (struct hash *, unsigned char *, unsigned int);
+	void            (*HMACFinal) (unsigned char *, struct hash *);
+};
+
+/* HMAC Hash Encapsulation */
+
+#define HMAC_IPAD_VAL	0x36
+#define HMAC_OPAD_VAL	0x5C
+#define HMAC_BLOCKLEN	64
+
+extern struct hash *hash_get(enum hashes);
+extern void     hmac_init(struct hash *, unsigned char *, unsigned int);
+
+#endif				/* _HASH_H_ */