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authorHeimdal Import User <samba-bugs@samba.org>2005-07-11 01:16:55 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:19:33 -0500
commit954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9 (patch)
treefc11a048c8a582e2ca66415ff04dacf74f9abf22 /source4/heimdal/lib/des/hash.h
parent7ead5ab06cea9f33e954a4579163262f97ea06ff (diff)
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r8302: import mini HEIMDAL into the tree
(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)
Diffstat (limited to 'source4/heimdal/lib/des/hash.h')
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1 files changed, 71 insertions, 0 deletions
diff --git a/source4/heimdal/lib/des/hash.h b/source4/heimdal/lib/des/hash.h
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+/*
+ * Copyright (c) 1999 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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 KTH 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 KTH AND ITS 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 KTH OR ITS 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. */
+
+/* $Id: hash.h,v 1.3 2005/04/27 11:53:48 lha Exp $ */
+
+/* stuff in common between md4, md5, and sha1 */
+
+#ifndef __hash_h__
+#define __hash_h__
+
+#include <stdlib.h>
+#include <string.h>
+#include <stddef.h>
+#ifdef KRB5
+#include <krb5-types.h>
+#endif
+
+#ifndef min
+#define min(a,b) (((a)>(b))?(b):(a))
+#endif
+
+/* Vector Crays doesn't have a good 32-bit type, or more precisely,
+ int32_t as defined by <bind/bitypes.h> isn't 32 bits, and we don't
+ want to depend in being able to redefine this type. To cope with
+ this we have to clamp the result in some places to [0,2^32); no
+ need to do this on other machines. Did I say this was a mess?
+ */
+
+#ifdef _CRAY
+#define CRAYFIX(X) ((X) & 0xffffffff)
+#else
+#define CRAYFIX(X) (X)
+#endif
+
+static inline u_int32_t
+cshift (u_int32_t x, unsigned int n)
+{
+ x = CRAYFIX(x);
+ return CRAYFIX((x << n) | (x >> (32 - n)));
+}
+
+#endif /* __hash_h__ */