Конвертировать криптофункцию C# в PHP

public string method_82(string string_1)

    byte[] rgbKey = Jss.Solutions.Nands.API.Utils.StringToByteArray("64573e1037d9dc28d19e6019f16b6292f66502e0aaa3bbcc");

    byte[] rgbIV = Jss.Solutions.Nands.API.Utils.StringToByteArray("4794bbf9684b429e");

    byte[] buffer = Jss.Solutions.Nands.API.Utils.StringToByteArray(string_1);

    MemoryStream memoryStream = new MemoryStream(buffer);

    TripleDESCryptoServiceProvider cryptoServiceProvider = new TripleDESCryptoServiceProvider();

    cryptoServiceProvider.Padding = PaddingMode.Zeros;

    Jss.Solutions.Nands.API.Utils.ByteArrayToString(cryptoServiceProvider.Key);

    Jss.Solutions.Nands.API.Utils.ByteArrayToString(cryptoServiceProvider.IV);

    CryptoStream cryptoStream = new CryptoStream((Stream) memoryStream, cryptoServiceProvider.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Read);

    byte[] numArray = new byte[buffer.Length];

    int count = cryptoStream.Read(numArray, 0, numArray.Length);

    cryptoStream.Close();

    memoryStream.Close();

    return Encoding.GetEncoding(1251).GetString(numArray, 0, count);

 

public string method_83(string string_1)

    byte[] rgbKey = Jss.Solutions.Nands.API.Utils.StringToByteArray("64573e1037d9dc28d19e6019f16b6292f66502e0aaa3bbcc");

    byte[] rgbIV = Jss.Solutions.Nands.API.Utils.StringToByteArray("4794bbf9684b429e");

    MemoryStream memoryStream = new MemoryStream();

    TripleDESCryptoServiceProvider cryptoServiceProvider = new TripleDESCryptoServiceProvider();

    cryptoServiceProvider.Padding = PaddingMode.Zeros;

    CryptoStream cryptoStream = new CryptoStream((Stream) memoryStream, cryptoServiceProvider.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);

    byte[] bytes = Encoding.GetEncoding(1251).GetBytes(string_1);

    cryptoStream.Write(bytes, 0, bytes.Length);

    cryptoStream.FlushFinalBlock();

    byte[] array = memoryStream.ToArray();

    cryptoStream.Close();

    memoryStream.Close();

    return Jss.Solutions.Nands.API.Utils.ByteArrayToString(array);