C# 常用加密解密帮助类
public static class EncryptUtil { #region MD5加密 /// <summary> /// MD5加密 /// </summary> public static string Md532(this string value) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; MD5 md5 = MD5.Create(); return HashAlgorithmBase(md5, value, encoding); } /// <summary> /// 加权MD5加密 /// </summary> public static string Md532(this string value, string salt) { return salt == null ? value.Md532() : (value + "『" + salt + "』").Md532(); } #endregion #region SHA 加密 /// <summary> /// SHA1 加密 /// </summary> public static string Sha1(this string value) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; SHA1 sha1 = new SHA1CryptoServiceProvider(); return HashAlgorithmBase(sha1, value, encoding); } /// <summary> /// SHA256 加密 /// </summary> public static string Sha256(this string value) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; SHA256 sha256 = new SHA256Managed(); return HashAlgorithmBase(sha256, value, encoding); } /// <summary> /// SHA512 加密 /// </summary> public static string Sha512(this string value) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; SHA512 sha512 = new SHA512Managed(); return HashAlgorithmBase(sha512, value, encoding); } #endregion #region HMAC 加密 /// <summary> /// HmacSha1 加密 /// </summary> public static string HmacSha1(this string value, string keyVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] keyStr = encoding.GetBytes(keyVal); HMACSHA1 hmacSha1 = new HMACSHA1(keyStr); return HashAlgorithmBase(hmacSha1, value, encoding); } /// <summary> /// HmacSha256 加密 /// </summary> public static string HmacSha256(this string value, string keyVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] keyStr = encoding.GetBytes(keyVal); HMACSHA256 hmacSha256 = new HMACSHA256(keyStr); return HashAlgorithmBase(hmacSha256, value, encoding); } /// <summary> /// HmacSha384 加密 /// </summary> public static string HmacSha384(this string value, string keyVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] keyStr = encoding.GetBytes(keyVal); HMACSHA384 hmacSha384 = new HMACSHA384(keyStr); return HashAlgorithmBase(hmacSha384, value, encoding); } /// <summary> /// HmacSha512 加密 /// </summary> public static string HmacSha512(this string value, string keyVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] keyStr = encoding.GetBytes(keyVal); HMACSHA512 hmacSha512 = new HMACSHA512(keyStr); return HashAlgorithmBase(hmacSha512, value, encoding); } /// <summary> /// HmacMd5 加密 /// </summary> public static string HmacMd5(this string value, string keyVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] keyStr = encoding.GetBytes(keyVal); HMACMD5 hmacMd5 = new HMACMD5(keyStr); return HashAlgorithmBase(hmacMd5, value, encoding); } /// <summary> /// HmacRipeMd160 加密 /// </summary> public static string HmacRipeMd160(this string value, string keyVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] keyStr = encoding.GetBytes(keyVal); HMACRIPEMD160 hmacRipeMd160 = new HMACRIPEMD160(keyStr); return HashAlgorithmBase(hmacRipeMd160, value, encoding); } #endregion #region AES 加密解密 /// <summary> /// AES加密 /// </summary> /// <param name="value">待加密字段</param> /// <param name="keyVal">密钥值</param> /// <param name="ivVal">加密辅助向量</param> /// <returns></returns> public static string AesStr(this string value, string keyVal, string ivVal) { if (value == null) { throw new ArgumentNullException("未将对象引用设置到对象的实例。"); } var encoding = Encoding.UTF8; byte[] btKey = keyVal.FormatByte(encoding); byte[] btIv = ivVal.FormatByte(encoding); byte[] byteArray = encoding.GetBytes(value); string encrypt; Rijndael aes = Rijndael.Create(); using (MemoryStream mStream = new MemoryStream()) { using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateEncryptor(btKey, btIv), CryptoStreamMode.Write)) { cStream.Write(byteArray, , byteArray.Length); cStream.FlushFinalBlock(); encrypt = Convert.ToBase64String(mStream.ToArray()); } } aes.Clear(); return encrypt; } /// <summary> /// AES解密 /// </summary> /// <param name="value">待加密字段</param> /// <param name="keyVal">密钥值</param> /// <param name="ivVal">加密辅助向量</param> /// <returns></returns> public static string UnAesStr(this string value, string keyVal, string ivVal) { var encoding = Encoding.UTF8; byte[] btKey = keyVal.FormatByte(encoding); byte[] btIv = ivVal.FormatByte(encoding); byte[] byteArray = Convert.FromBase64String(value); string decrypt; Rijndael aes = Rijndael.Create(); using (MemoryStream mStream = new MemoryStream()) { using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(btKey, btIv), CryptoStreamMode.Write)) { cStream.Write(byteArray, , byteArray.Length); cStream.FlushFinalBlock(); decrypt = encoding.GetString(mStream.ToArray()); } } aes.Clear(); return decrypt; } /// <summary> /// AES Byte类型 加密 /// </summary> /// <param name="data">待加密明文</param> /// <param name="keyVal">密钥值</param> /// <param name="ivVal">加密辅助向量</param> /// <returns></returns> public static byte[] AesByte(this byte[] data, string keyVal, string ivVal) { ]; Array.Copy(Encoding.UTF8.GetBytes(keyVal.PadRight(bKey.Length)), bKey, bKey.Length); ]; Array.Copy(Encoding.UTF8.GetBytes(ivVal.PadRight(bVector.Length)), bVector, bVector.Length); byte[] cryptograph; Rijndael aes = Rijndael.Create(); try { using (MemoryStream mStream = new MemoryStream()) { using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateEncryptor(bKey, bVector), CryptoStreamMode.Write)) { cStream.Write(data, , data.Length); cStream.FlushFinalBlock(); cryptograph = mStream.ToArray(); } } } catch { cryptograph = null; } return cryptograph; } /// <summary> /// AES Byte类型 解密 /// </summary> /// <param name="data">待解密明文</param> /// <param name="keyVal">密钥值</param> /// <param name="ivVal">加密辅助向量</param> /// <returns></returns> public static byte[] UnAesByte(this byte[] data, string keyVal, string ivVal) { ]; Array.Copy(Encoding.UTF8.GetBytes(keyVal.PadRight(bKey.Length)), bKey, bKey.Length); ]; Array.Copy(Encoding.UTF8.GetBytes(ivVal.PadRight(bVector.Length)), bVector, bVector.Length); byte[] original; Rijndael aes = Rijndael.Create(); try { using (MemoryStream mStream = new MemoryStream(data)) { using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(bKey, bVector), CryptoStreamMode.Read)) { using (MemoryStream originalMemory = new MemoryStream()) { ]; int readBytes; , buffer.Length)) > ) { originalMemory.Write(buffer, , readBytes); } original = originalMemory.ToArray(); } } } } catch { original = null; } return original; } #endregion #region DES 加密解密 /// <summary> /// DES 加密 /// </summary> public static string Des(this string value, string keyVal, string ivVal) { try { byte[] data = Encoding.UTF8.GetBytes(value); ? keyVal.Substring(, ) : keyVal), IV = Encoding.ASCII.GetBytes(ivVal.Length > ? ivVal.Substring(, ) : ivVal) }; var desencrypt = des.CreateEncryptor(); , data.Length); return BitConverter.ToString(result); } catch { return "转换出错!"; } } /// <summary> /// DES 解密 /// </summary> public static string UnDes(this string value, string keyVal, string ivVal) { try { string[] sInput = value.Split("-".ToCharArray()); byte[] data = new byte[sInput.Length]; ; i < sInput.Length; i++) { data[i] = byte.Parse(sInput[i], NumberStyles.HexNumber); } ? keyVal.Substring(, ) : keyVal), IV = Encoding.ASCII.GetBytes(ivVal.Length > ? ivVal.Substring(, ) : ivVal) }; var desencrypt = des.CreateDecryptor(); , data.Length); return Encoding.UTF8.GetString(result); } catch { return "解密出错!"; } } #endregion #region BASE64 加密解密 /// <summary> /// BASE64 加密 /// </summary> /// <param name="value">待加密字段</param> /// <returns></returns> public static string Base64(this string value) { var btArray = Encoding.UTF8.GetBytes(value); , btArray.Length); } /// <summary> /// BASE64 解密 /// </summary> /// <param name="value">待解密字段</param> /// <returns></returns> public static string UnBase64(this string value) { var btArray = Convert.FromBase64String(value); return Encoding.UTF8.GetString(btArray); } #endregion #region Base64加密解密 /// <summary> /// Base64加密 可逆 /// </summary> /// <param name="value">待加密文本</param> /// <returns></returns> public static string Base64Encrypt(string value) { return Convert.ToBase64String(System.Text.Encoding.Default.GetBytes(value)); } /// <summary> /// Base64解密 /// </summary> /// <param name="ciphervalue">密文</param> /// <returns></returns> public static string Base64Decrypt(string ciphervalue) { return System.Text.Encoding.Default.GetString(System.Convert.FromBase64String(ciphervalue)); } #endregion #region 内部方法 /// <summary> /// 转成数组 /// </summary> private static byte[] Str2Bytes(this string source) { source = source.Replace(" ", ""); ]; ; i < source.Length; i += ) buffer[i / ] = Convert.ToByte(source.Substring(i, ), ); return buffer; } /// <summary> /// 转换成字符串 /// </summary> private static string Bytes2Str(this IEnumerable<byte> source, string formatStr = "{0:X2}") { StringBuilder pwd = new StringBuilder(); foreach (byte btStr in source) { pwd.AppendFormat(formatStr, btStr); } return pwd.ToString(); } private static byte[] FormatByte(this string strVal, Encoding encoding) { , ).ToUpper()); } /// <summary> /// HashAlgorithm 加密统一方法 /// </summary> private static string HashAlgorithmBase(HashAlgorithm hashAlgorithmObj, string source, Encoding encoding) { byte[] btStr = encoding.GetBytes(source); byte[] hashStr = hashAlgorithmObj.ComputeHash(btStr); return hashStr.Bytes2Str(); } #endregion }
C# 常用加密解密帮助类的更多相关文章
- ASP.NET常用加密解密方法
ASP.NET常用加密解密方法 一.MD5加密解密 1.加密 C# 代码 public static string ToMd5(string clearString) ...
- 2019-2-20C#开发中常用加密解密方法解析
C#开发中常用加密解密方法解析 一.MD5加密算法 我想这是大家都常听过的算法,可能也用的比较多.那么什么是MD5算法呢?MD5全称是 message-digest algorithm 5[|ˈmes ...
- AES加密解密 助手类 CBC加密模式
"; string result1 = AESHelper.AesEncrypt(str); string result2 = AESHelper.AesDecrypt(result1); ...
- php加密解密功能类
这两天突发奇想想要用php写一个对日常项目加密以及解密的功能,经过努力简单的封装了一个对php代码进行加密解密的类,一些思想也是来自于网络,初步测试用着还行,可以实现对指定项目的加密以及解密(只针对本 ...
- C# MD5加密解密帮助类
/// <summary> /// MD5加密解密帮助类 /// </summary> public static class DESHelper { ...
- php加密解密处理类
[PHP]代码 <?php /*=========================================================== = 版权协议: = GPL (The GN ...
- .Net(c#)加密解密工具类:
/// <summary> /// .Net加密解密帮助类 /// </summary> public class NetCryptoHelper { #region des实 ...
- Base64加密解密工具类
使用Apache commons codec类Base64进行加密解密 maven依赖 <dependency> <groupId>commons-codec</grou ...
- php实现的三个常用加密解密功能函数示例
目录 算法一: 算法二: 算法三(改进第一个加密之后的算法) 本文实例讲述了php实现的三个常用加密解密功能函数.分享给大家供大家参考,具体如下: 算法一: //加密函数 function lock_ ...
随机推荐
- WPF - 属性系统 (1 of 4)
本来我希望这一系列文章能够深入讲解WPF属性系统的实现以及XAML编译器是如何使用这些依赖项属性的,并在最后分析WPF属性系统的实际实现代码.但是在编写的过程中发现对WPF属性系统代码的讲解要求之前的 ...
- 【大型网站技术实践】初级篇:搭建MySQL主从复制经典架构
一.业务发展驱动数据发展 随着网站业务的不断发展,用户量的不断增加,数据量成倍地增长,数据库的访问量也呈线性地增长.特别是在用户访问高峰期间,并发访问量突然增大,数据库的负载压力也会增大,如果架构方案 ...
- iOS开发系列--C语言之存储方式和作用域
概述 基本上每种语言都要讨论这个话题,C语言也不例外,因为只有你完全了解每个变量或函数存储方式.作用范围和销毁时间才可能正确的使用这门语言.今天将着重介绍C语言中变量作用范围.存储方式.生命周期.作用 ...
- QParserGenerator的文法文件介绍
在沉默了数月之后,博主心血来潮想继续介绍QParserGenerator,在这里我们将不再继续介绍任何有关于LALR(1)的算法(那东西只会把你的脑子变成一团浆糊),让我们来看一下QParserGen ...
- 利用Hexo搭建个人博客-环境搭建篇
我是一个爱写博客进行总结分享的人.然而,有着热爱写博客并且深知写博客好处的我,却没有好好的把这个习惯坚持下来.如今毕业已经一年多了吧,每一次与师弟师妹们聊天,我总会意味深长的建议他们,一定要定期梳理总 ...
- C#+OpenGL+FreeType显示3D文字(3) - 用PointSprite绘制文字
C#+OpenGL+FreeType显示3D文字(3) - 用PointSprite绘制文字 上一篇实现了把文字绘制到OpenGL窗口,但实质上只是把含有文字的贴图贴到矩形模型上.本篇我们介绍用Poi ...
- org.artofsolving.jodconverter.office.OfficeException: failed to start and connect
org.artofsolving.jodconverter.office.OfficeException: failed to start and connect docviewer 调用 openo ...
- Android RatingBar 自定义样式
Android RatingBar 自定义样式 1.先定义Style: <style name="RadingStyle" parent="@android:sty ...
- Atitit事件代理机制原理 基于css class的事件代理
Atitit事件代理机制原理 基于css class的事件代理 1.1. 在javasript中delegate这个词经常出现,看字面的意思,代理.委托1 1.2. 事件代理1 1.3. 代理标准化规 ...
- Uiautomator 2.0之BySelector类学习小记
1. BySelector与By静态类 1.1 BySelector类为指定搜索条件进行匹配UI元素, 通过UiDevice.findObject(BySelector)方式进行使用. 1.2 By类 ...