2 changed files with 3 additions and 74 deletions
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Security.Cryptography; |
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using System.Text; |
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namespace 齐越慧眼 |
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{ |
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public class DesEncoding |
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{ |
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#region 加密解密法一
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//默认密钥向量
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private static byte[] Keys = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }; |
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private static string encryptKey= "Feng23Fen#321Bhe"; |
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/// <summary>
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/// DES加密字符串
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/// </summary>
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/// <param name="encryptString">待加密的字符串</param>
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/// <param name="encryptKey">加密密钥,要求为16位</param>
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/// <returns>加密成功返回加密后的字符串,失败返回源串</returns>
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public static string EncryptDES(string encryptString) |
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{ |
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try |
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{ |
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byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 16)); |
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byte[] rgbIV = Keys; |
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byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString); |
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var DCSP = Aes.Create(); |
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MemoryStream mStream = new MemoryStream(); |
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CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write); |
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cStream.Write(inputByteArray, 0, inputByteArray.Length); |
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cStream.FlushFinalBlock(); |
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return Convert.ToBase64String(mStream.ToArray()); |
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} |
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catch (Exception ex) |
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{ |
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return ex.Message + encryptString; |
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} |
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} |
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/// <summary>
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/// DES解密字符串
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/// </summary>
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/// <param name="decryptString">待解密的字符串</param>
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/// <param name="decryptKey">解密密钥,要求为16位,和加密密钥相同</param>
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/// <returns>解密成功返回解密后的字符串,失败返源串</returns>
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public static string DecryptDES(string decryptString) |
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{ |
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try |
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{ |
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byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 16)); |
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byte[] rgbIV = Keys; |
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byte[] inputByteArray = Convert.FromBase64String(decryptString); |
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var DCSP = Aes.Create(); |
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MemoryStream mStream = new MemoryStream(); |
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CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write); |
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Byte[] inputByteArrays = new byte[inputByteArray.Length]; |
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cStream.Write(inputByteArray, 0, inputByteArray.Length); |
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cStream.FlushFinalBlock(); |
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return Encoding.UTF8.GetString(mStream.ToArray()); |
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} |
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catch (Exception ex) |
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{ |
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return ex.Message + decryptString; |
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} |
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} |
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#endregion
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} |
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} |
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