八府堂啪啪胶,帝都公主传,含辛茹苦是什么意思
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Security.Cryptography; using System.Text; using System.Web; namespace Topevery.Basis.Web.Code { public class CryptographyHelper { private DESCryptoServiceProvider key = null; public CryptographyHelper() { key = new DESCryptoServiceProvider(); key.Key = Encoding.UTF8.GetBytes("WilsonFu"); key.IV = Encoding.UTF8.GetBytes("WilsonFu"); } /// <summary> /// 加密 /// </summary> /// <param name="PlainText"></param> /// <returns></returns> public string Encrypt(string PlainText) { try { MemoryStream ms = new MemoryStream(); CryptoStream encStream = new CryptoStream(ms, key.CreateEncryptor(), CryptoStreamMode.Write); StreamWriter sw = new StreamWriter(encStream); sw.WriteLine(PlainText); sw.Close(); encStream.Close(); byte[] buffer = ms.ToArray(); ms.Close(); return Convert.ToBase64String(buffer); } catch (Exception) { return string.Empty; } } /// <summary> /// 解密 /// </summary> /// <param name="value"></param> /// <returns></returns> public string Decrypt(string value) { try { byte[] CypherText = Convert.FromBase64String(value); MemoryStream ms = new MemoryStream(CypherText); CryptoStream encStream = new CryptoStream(ms, key.CreateDecryptor(), CryptoStreamMode.Read); StreamReader sr = new StreamReader(encStream); string val = sr.ReadLine(); sr.Close(); encStream.Close(); ms.Close(); return val; } catch (Exception) { return string.Empty; } } /// <summary> /// 将字节数组转换成字符串 /// </summary> /// <param name="bytes"></param> /// <returns></returns> private string BytesToString(Byte[] bytes) { char[] chars = new char[bytes.Length]; for (int i = 0; i < bytes.Length; i++) { chars[i] = (char)bytes[i]; } string result = new string(chars); return result; } /// <summary> /// 将字符串转换成字节数组 /// </summary> /// <param name="value"></param> /// <returns></returns> private Byte[] StringToBytes(string value) { byte[] bValue = new byte[value.Length]; for (int i = 0; i < value.Length; i++) { bValue[i] = (byte)value[i]; } return bValue; } } }
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