C# 3DES (Triple-DES) Test Vector

This post provides C# sample code for matching a test vector (known answer test).

3DES Settings:

• ECB Mode
• 192-bit key (i.e. 3 8-bit keys)
• ASCII Key Bytes: 1234567890123456ABCDEFGH
• ASCII Text to Encrypt: The quick brown fox jumped over the lazy dog
• Pads with zero bytes
• Hexadecimalized Encrypted Result:
  13d4d3549493d2870f93c3e0812a06de467e1f9c0bfb16c0
  70ede5cabbd3ca62f217a7ae8d47f2c7bf62eb309323b58b

C# Code:

    string keyAscii = "1234567890123456ABCDEFGH";
    byte[] key = ASCIIEncoding.ASCII.GetBytes(keyAscii);

    byte[] clearText = ASCIIEncoding.ASCII.GetBytes("The quick brown fox jumped over the lazy dog");

    TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
    des.KeySize = 192;
    des.Key = key;
    des.Mode = CipherMode.ECB;
    des.Padding = PaddingMode.Zeros;
    byte[] cipherText = des.CreateEncryptor().TransformFinalBlock(clearText, 0, clearText.Length);

3DES Code to match this test vector in other languages:
ASP: 3DES Test Vector
SQL Server: 3DES Test Vector
C#: 3DES Test Vector
C++: 3DES Test Vector
MFC: 3DES Test Vector
C: 3DES Test Vector
Delphi: 3DES Test Vector
Visual FoxPro: 3DES Test Vector
Java: 3DES Test Vector
Perl: 3DES Test Vector
PHP: 3DES Test Vector
Python: 3DES Test Vector
Ruby: 3DES Test Vector
VB.NET: 3DES Test Vector
Visual Basic: 3DES Test Vector
VBScript: 3DES Test Vector