init lserp cs 5.0
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cyf
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/******************************************************************************
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Copyright 2005-2007 R2@DevFx.NET
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DevFx.NET is free software; you can redistribute it and/or modify
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it under the terms of the Lesser GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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DevFx.NET is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Lesser GNU General Public License for more details.
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You should have received a copy of the Lesser GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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/*******************************************************************************/
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using Lskj.DevFx.ExceptionManagement;
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namespace Lskj.DevFx.Cryptography
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{
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/// <summary>
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/// 加密异常
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/// </summary>
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public class CryptographyException : BaseException
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{
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/// <summary>
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/// 构造方法
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/// </summary>
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/// <param name="message">异常信息</param>
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public CryptographyException(string message) : base(message) {
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}
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}
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}
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@@ -0,0 +1,119 @@
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/******************************************************************************
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Copyright 2005-2007 R2@DevFx.NET
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DevFx.NET is free software; you can redistribute it and/or modify
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it under the terms of the Lesser GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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DevFx.NET is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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Lesser GNU General Public License for more details.
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You should have received a copy of the Lesser GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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/*******************************************************************************/
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using System.IO;
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using System.Security.Cryptography;
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using Lskj.DevFx.Utils;
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namespace Lskj.DevFx.Cryptography
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{
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/// <summary>
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/// 关于Hash的一些实用方法
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/// </summary>
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public static class HashCrypto
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{
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/// <summary>
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/// Hash算法
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/// </summary>
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/// <param name="input">被Hash的字节数组</param>
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/// <param name="hashFormat">Hash算法："md5"、"sha1"</param>
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/// <returns>Hash结果字节数组</returns>
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/// <remarks>
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/// 当参数<paramref name="hashFormat">不为"md5"、"sha1"时，返回<c>null</c></paramref>
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/// </remarks>
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public static byte[] Hash(byte[] input, string hashFormat) {
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HashAlgorithm algorithm = null;
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if(string.Compare(hashFormat, "sha1", true) == 0) {
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algorithm = SHA1.Create();
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} else if(string.Compare(hashFormat, "md5", true) == 0) {
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algorithm = MD5.Create();
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}
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byte[] result = null;
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if(algorithm != null) {
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result = algorithm.ComputeHash(input);
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}
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return result;
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}
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/// <summary>
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/// 进行MD5加密字符串
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/// </summary>
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/// <param name="str">要加密的字符串</param>
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/// <returns>返回加密后的结果</returns>
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public static string HashMD5(string str)
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{
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str = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(str,"md5");
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return str;
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}
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/// <summary>
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/// Hash算法
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/// </summary>
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/// <param name="input">被Hash的字节流</param>
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/// <param name="hashFormat">Hash算法："md5"、"sha1"</param>
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/// <returns>Hash结果字节数组</returns>
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/// <remarks>
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/// 当参数<paramref name="hashFormat">不为"md5"、"sha1"时，返回<c>null</c></paramref>
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/// </remarks>
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public static byte[] Hash(Stream input, string hashFormat) {
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HashAlgorithm algorithm = null;
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if(string.Compare(hashFormat, "sha1", true) == 0) {
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algorithm = SHA1.Create();
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} else if(string.Compare(hashFormat, "md5", true) == 0) {
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algorithm = MD5.Create();
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}
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byte[] result = null;
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if(algorithm != null) {
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result = algorithm.ComputeHash(input);
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}
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return result;
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}
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/// <summary>
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/// Hash文件
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/// </summary>
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/// <param name="fileName">被Hash的文件（包括路径）</param>
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/// <param name="hashFormat">Hash算法："md5"、"sha1"</param>
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/// <returns>Hash结果字符串</returns>
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/// <remarks>
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/// 当参数<paramref name="hashFormat">不为"md5"、"sha1"时，返回<c>null</c></paramref>
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/// </remarks>
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public static string HashFile(string fileName, string hashFormat) {
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byte[] hashBytes = HashFileReturnRawData(fileName, hashFormat);
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if(hashBytes == null) {
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return null;
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} else {
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return EncodingHelper.ToHexString(hashBytes);
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}
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}
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/// <summary>
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/// Hash文件
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/// </summary>
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/// <param name="fileName">被Hash的文件（包括路径）</param>
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/// <param name="hashFormat">Hash算法："md5"、"sha1"</param>
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/// <returns>Hash结果</returns>
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/// <remarks>
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/// 当参数<paramref name="hashFormat">不为"md5"、"sha1"时，返回<c>null</c></paramref>
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/// </remarks>
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public static byte[] HashFileReturnRawData(string fileName, string hashFormat) {
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using(FileStream fs = File.OpenRead(fileName)) {
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return Hash(fs, hashFormat);
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}
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}
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}
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}
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@@ -0,0 +1,195 @@
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/* xxtea.cs
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*
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* Author: Ma Bingyao <andot@ujn.edu.cn>
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* Copyright: CoolCode.CN
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* Version: 1.1
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* LastModified: 2006-05-05
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* This library is free. You can redistribute it and/or modify it.
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* http://www.coolcode.cn/?p=163
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* Update: 2008-02-22, R2@DevFx.NET
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*/
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using System;
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using System.Text;
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using Lskj.DevFx.Utils;
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namespace Lskj.DevFx.Cryptography
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{
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/// <summary>
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/// XXTEA加解密算法
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/// </summary>
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public static class XXTEA
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{
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/// <summary>
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/// 加密
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/// </summary>
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/// <param name="data">原文</param>
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/// <param name="key">密钥</param>
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/// <returns>密文</returns>
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/// <remarks>
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/// 密文包含原始数据长度
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/// </remarks>
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public static byte[] Encrypt(byte[] data, byte[] key) {
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return Encrypt(data, key, true);
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}
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/// <summary>
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/// 加密
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/// </summary>
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/// <param name="data">原文</param>
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/// <param name="key">密钥</param>
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/// <param name="includeDataLength">密文是否包含原始数据长度</param>
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/// <returns>密文</returns>
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public static byte[] Encrypt(byte[] data, byte[] key, bool includeDataLength) {
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if (data.Length == 0) {
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return data;
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}
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return ToByteArray(Encrypt(ToUInt32Array(data, includeDataLength), ToUInt32Array(key, false)), false);
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}
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/// <summary>
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/// 加密
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/// </summary>
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/// <param name="data">原文（将经过UTF8编码变换）</param>
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/// <param name="key">密钥（将经过UTF8编码变换及MD5的Hash）</param>
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/// <returns>密文（HEX格式）</returns>
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public static string Encrypt(string data, string key) {
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return EncodingHelper.ToHexString(Encrypt(Encoding.UTF8.GetBytes(data), HashCrypto.Hash(Encoding.UTF8.GetBytes(key), "md5")));
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}
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/// <summary>
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/// 解密
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/// </summary>
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/// <param name="data">密文</param>
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/// <param name="key">密钥</param>
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/// <returns>原文</returns>
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/// <remarks>
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/// 密文包含原始数据长度
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/// </remarks>
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public static byte[] Decrypt(byte[] data, byte[] key) {
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return Decrypt(data, key, true);
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}
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/// <summary>
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/// 解密
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/// </summary>
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/// <param name="data">密文</param>
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/// <param name="key">密钥</param>
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/// <param name="includeDataLength">密文是否包含原始数据长度</param>
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/// <returns>原文</returns>
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public static byte[] Decrypt(byte[] data, byte[] key, bool includeDataLength) {
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if (data.Length == 0) {
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return data;
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}
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return ToByteArray(Decrypt(ToUInt32Array(data, false), ToUInt32Array(key, false)), includeDataLength);
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}
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/// <summary>
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/// 解密
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/// </summary>
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/// <param name="data">密文（HEX格式）</param>
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/// <param name="key">密钥（将经过UTF8编码变换及MD5的Hash）</param>
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/// <returns>原文</returns>
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public static string Decrypt(string data, string key) {
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return Encoding.UTF8.GetString(Decrypt(EncodingHelper.FromHexString(data), HashCrypto.Hash(Encoding.UTF8.GetBytes(key), "md5")));
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}
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/// <summary>
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/// 加密
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/// </summary>
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/// <param name="v">原文</param>
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/// <param name="k">密钥</param>
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/// <returns>密文</returns>
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public static uint[] Encrypt(uint[] v, uint[] k) {
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int n = v.Length - 1;
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if (n < 1) {
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return v;
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}
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if (k.Length < 4) {
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uint[] Key = new uint[4];
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k.CopyTo(Key, 0);
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k = Key;
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}
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uint z = v[n], y = v[0], delta = 0x9E3779B9, sum = 0;
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int q = 6 + 52 / (n + 1);
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while (q-- > 0) {
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sum = unchecked(sum + delta);
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uint e = sum >> 2 & 3;
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int p;
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for (p = 0; p < n; p++) {
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y = v[p + 1];
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z = unchecked(v[p] += (z >> 5 ^ y << 2) + (y >> 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z));
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}
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y = v[0];
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z = unchecked(v[n] += (z >> 5 ^ y << 2) + (y >> 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z));
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}
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return v;
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}
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/// <summary>
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/// 解密
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/// </summary>
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/// <param name="v">密文</param>
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/// <param name="k">密钥</param>
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/// <returns>原文</returns>
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public static uint[] Decrypt(uint[] v, uint[] k) {
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int n = v.Length - 1;
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if (n < 1) {
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return v;
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}
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if (k.Length < 4) {
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uint[] Key = new uint[4];
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k.CopyTo(Key, 0);
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k = Key;
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}
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uint z = v[n], y = v[0], delta = 0x9E3779B9, sum;
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int q = 6 + 52 / (n + 1);
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sum = unchecked((uint)(q * delta));
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while (sum != 0) {
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uint e = sum >> 2 & 3;
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int p;
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for (p = n; p > 0; p--) {
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z = v[p - 1];
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y = unchecked(v[p] -= (z >> 5 ^ y << 2) + (y >> 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z));
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}
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z = v[n];
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y = unchecked(v[0] -= (z >> 5 ^ y << 2) + (y >> 3 ^ z << 4) ^ (sum ^ y) + (k[p & 3 ^ e] ^ z));
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sum = unchecked(sum - delta);
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}
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return v;
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}
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private static uint[] ToUInt32Array(byte[] data, bool includeLength) {
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int n = (((data.Length & 3) == 0) ? (data.Length >> 2) : ((data.Length >> 2) + 1));
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uint[] result;
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if (includeLength) {
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result = new uint[n + 1];
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result[n] = (uint)data.Length;
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} else {
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result = new uint[n];
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}
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n = data.Length;
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for (int i = 0; i < n; i++) {
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result[i >> 2] |= (uint)data[i] << ((i & 3) << 3);
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}
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return result;
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}
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private static byte[] ToByteArray(uint[] data, bool includeLength) {
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int n = data.Length << 2;
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if (includeLength) {
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int m = (int)data[data.Length - 1];
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if (m > n) {
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throw new Exception("XXTEA Decrypt Error: Wrong input data.");
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} else {
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n = m;
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}
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}
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byte[] result = new byte[n];
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for (int i = 0; i < n; i++) {
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result[i] = (byte)(data[i >> 2] >> ((i & 3) << 3));
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}
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return result;
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}
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}
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}
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