/* * 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. */ /* $Id$ */ /* stuff in common between md4, md5, and sha1 */ #ifndef __hash_h__ #define __hash_h__ #ifdef KRB5 #include <krb5-types.h> #endif #include <roken.h> #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 uint32_t cshift (uint32_t x, unsigned int n) { x = CRAYFIX(x); return CRAYFIX((x << n) | (x >> (32 - n))); } #endif /* __hash_h__ */