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68 lines
2.5 KiB
68 lines
2.5 KiB
/* |
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* Copyright (c) 1999 Kungliga Tekniska Högskolan |
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* (Royal Institute of Technology, Stockholm, Sweden). |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* 3. Neither the name of KTH nor the names of its contributors may be |
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* used to endorse or promote products derived from this software without |
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* specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ |
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/* $Heimdal: hash.h,v 1.1 1999/03/22 19:16:25 joda Exp $ |
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$NetBSD: hash.h,v 1.1.1.3 2002/09/12 12:41:42 joda Exp $ */ |
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/* stuff in common between md4, md5, and sha1 */ |
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#ifndef __hash_h__ |
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#define __hash_h__ |
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#include <stdlib.h> |
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#include <string.h> |
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#ifndef min |
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#define min(a,b) (((a)>(b))?(b):(a)) |
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#endif |
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/* Vector Crays doesn't have a good 32-bit type, or more precisely, |
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int32_t as defined by <bind/bitypes.h> isn't 32 bits, and we don't |
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want to depend in being able to redefine this type. To cope with |
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this we have to clamp the result in some places to [0,2^32); no |
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need to do this on other machines. Did I say this was a mess? |
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*/ |
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#ifdef _CRAY |
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#define CRAYFIX(X) ((X) & 0xffffffff) |
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#else |
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#define CRAYFIX(X) (X) |
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#endif |
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static inline u_int32_t |
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cshift (u_int32_t x, unsigned int n) |
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{ |
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x = CRAYFIX(x); |
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return CRAYFIX((x << n) | (x >> (32 - n))); |
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} |
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#endif /* __hash_h__ */
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