1 files changed, 46 insertions, 0 deletions

diff --git a/sys/dev/random/hash.h b/sys/dev/random/hash.h
new file mode 100644
index 000000000000..f210f13854a2
--- /dev/null
+++ b/sys/dev/random/hash.h
@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 2000 Mark R V Murray
+ * 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
+ *    in this position and unchanged.
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#define KEYSIZE		32	/* 32 bytes == 256 bits */
+
+struct yarrowhash {		/* Big! Make static! */
+	BF_KEY hashkey;		/* Data cycles through here */
+	u_char ivec[8];		/* Blowfish Internal */
+	u_char hash[KEYSIZE];	/* Repeatedly encrypted */
+};
+
+struct yarrowkey {		/* Big! Make static! */
+	BF_KEY key;		/* Key schedule */
+	u_char ivec[8];		/* Blowfish Internal */
+};
+
+void yarrow_hash_init(struct yarrowhash *, void *, size_t);
+void yarrow_hash_iterate(struct yarrowhash *, void *, size_t);
+void yarrow_hash_finish(struct yarrowhash *, void *);
+void yarrow_encrypt_init(struct yarrowkey *, void *, size_t);
+void yarrow_encrypt(struct yarrowkey *context, void *, void *, size_t);