/// <summary>
/// 加密数据
/// </summary>
public static string Encrypt(string text, string sKey)
{
var des = new DESCryptoServiceProvider();
var inputByteArray = Encoding.Default.GetBytes(text);
des.Key = Encoding.ASCII.GetBytes(Md5EncryptHelper.Encrypt(sKey, 32).Substring(0, 8));
des.IV = Encoding.ASCII.GetBytes(Md5EncryptHelper.Encrypt(sKey, 32).Substring(0, 8));
var ms = new MemoryStream();
var cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
var ret = new StringBuilder();
foreach (var b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
return(ret.ToString());
}
/// <summary>
/// 解密数据
/// </summary>
/// <param name="Text"> </param>
/// <param name="sKey"> </param>
/// <returns> </returns>
public static string Decrypt(string Text, string sKey)
{
var des = new DESCryptoServiceProvider();
var len = Text.Length / 2;
var inputByteArray = new byte[len];
int x;
for (x = 0; x < len; x++)
{
var i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
inputByteArray[x] = (byte)i;
}
des.Key = Encoding.ASCII.GetBytes(Md5EncryptHelper.Encrypt(sKey, 32).Substring(0, 8).Substring(0, 8));
des.IV = Encoding.ASCII.GetBytes(Md5EncryptHelper.Encrypt(sKey, 32).Substring(0, 8).Substring(0, 8));
var ms = new MemoryStream();
var cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return(Encoding.Default.GetString(ms.ToArray()));
}