Computes the hash of the given bytes array. - CSharp System

CSharp examples for System:Byte Array

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Description

Computes the hash of the given bytes array.

Demo Code

/*/*from  ww  w . j a va 2s  .  c  om*/
 * Copyright (c) 2011-2014, Longxiang He <helongxiang@smeshlink.com>,
 * SmeshLink Technology Co.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY.
 * 
 * This file is part of the CoAP.NET, a CoAP framework in C#.
 * Please see README for more information.
 */
using System.Text;
using System;

public class Main{
        /// <summary>
        /// Computes the hash of the given bytes array.
        /// </summary>
        public static Int32 ComputeHash(params Byte[] data)
        {
            unchecked
            {
                const Int32 p = 16777619;
                Int32 hash = (Int32)2166136261;

                for (Int32 i = 0; i < data.Length; i++)
                    hash = (hash ^ data[i]) * p;

                hash += hash << 13;
                hash ^= hash >> 7;
                hash += hash << 3;
                hash ^= hash >> 17;
                hash += hash << 5;
                return hash;
            }
        }
}

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