| /* |
| * 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. */ |
| |
| /* $Heimdal: hash.h,v 1.1 1999/03/22 19:16:25 joda Exp $ |
| $NetBSD: hash.h,v 1.1.1.3 2002/09/12 12:41:42 joda Exp $ */ |
| |
| /* stuff in common between md4, md5, and sha1 */ |
| |
| #ifndef __hash_h__ |
| #define __hash_h__ |
| |
| #include <stdlib.h> |
| #include <string.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 u_int32_t |
| cshift (u_int32_t x, unsigned int n) |
| { |
| x = CRAYFIX(x); |
| return CRAYFIX((x << n) | (x >> (32 - n))); |
| } |
| |
| #endif /* __hash_h__ */ |