如何php代码转化为C#代码

如题所述

public sealed class DESEncryption
{
private static readonly string encryptKey = "YJSERVER";
private static readonly string decryptKey = "YJSERVER";

#region**********Method*******************************

/// <summary>
/// 加密字符串
/// 注意:密钥必须为8位
/// </summary>
/// <param name="strText">字符串</param>
/// <param name="encryptKey">密钥</param>
/// <return>加密后字符串</return>
public static string DesEncrypt(string strText)
{
string outString="";
byte[] byKey=null;
byte[] IV= {0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF};
try
{
byKey = System.Text.Encoding.UTF8.GetBytes(encryptKey.Substring(0, encryptKey.Length));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray = Encoding.UTF8.GetBytes(strText);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(byKey, IV), CryptoStreamMode.Write) ;
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
outString = Convert.ToBase64String(ms.ToArray());
}
catch(System.Exception)
{
outString = "";
}

return outString;
}

/// <summary>
/// 解密字符串
/// </summary>
/// <param name="strText">加了密的字符串</param>
/// <param name="decryptKey">密钥</param>
public static string DesDecrypt(string strText)
{
string outString = "";
byte[] byKey = null;
byte[] IV= {0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF};
byte[] inputByteArray = new Byte[strText.Length];
try
{
byKey = System.Text.Encoding.UTF8.GetBytes(decryptKey.Substring(0, decryptKey.Length));
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
inputByteArray = Convert.FromBase64String(strText);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
System.Text.Encoding encoding = new System.Text.UTF8Encoding();
outString = encoding.GetString(ms.ToArray());
}
catch(System.Exception)
{
outString = "";
}

return outString;
}

#endregion

}
}

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