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C#加密解密字符串
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Security.Cryptography;
using System.Web;
using System.IO;
namespace XXKey
{
public class NewEncrypt
{
static byte[] deKey = Encoding.Default.GetBytes("asdfghjkasdfghjkasdfghjkasdfghjk");
static byte[] deIV = Encoding.Default.GetBytes("asdfghjkasdfghjk");
public static string Encrypt(string PlainText)
{
return Encrypt(PlainText, deKey, deIV);
}
private static string Encrypt(string PlainText, byte[] deKey, byte[] deIV)
{
MemoryStream ms = new MemoryStream();
//DESCryptoServiceProvider key = new DESCryptoServiceProvider();
SymmetricAlgorithm key = SymmetricAlgorithm.Create();
CryptoStream encStream = new CryptoStream(ms, key.CreateEncryptor(deKey, deIV), CryptoStreamMode.Write);
StreamWriter sw = new StreamWriter(encStream);
sw.WriteLine(PlainText);
sw.Close();
encStream.Close();
byte[] buffer = ms.ToArray();
ms.Close();
return Encoding.Default.GetString(buffer);
}
public static string Decrypt(string CypherText)
{
return Decrypt(CypherText, deKey, deIV);
}
private static string Decrypt(string CypherText, byte[] deKey, byte[] deIV)
{
MemoryStream ms = new MemoryStream(Encoding.Default.GetBytes(CypherText));
//DESCryptoServiceProvider key = new DESCryptoServiceProvider();
SymmetricAlgorithm key = SymmetricAlgorithm.Create();
CryptoStream encStream = new CryptoStream(ms, key.CreateDecryptor(deKey, deIV), CryptoStreamMode.Read);
StreamReader sr = new StreamReader(encStream);
string val = sr.ReadLine();
sr.Close();
encStream.Close();
ms.Close();
return val;
}
}
}
最后更新：2017-04-03 07:57:10