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3DES Test Vector

Example for 3-key 3DES encryption (192-bit) to match a test vector produced by both (non-Chilkat) PHP code and C# code using the .NET Framework.

PHP code to produce identical output: PHP 3DES Test Vector

C# code to produce identical output: C# 3DES Test Vector

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set crypt = Server.CreateObject("Chilkat_9_5_0.Crypt2")

success = crypt.UnlockComponent("Anything for 30-day trial.")
If (success <> 1) Then
    Response.Write "Crypt component unlock failed" & "<br>"

End If

'  Specify 3DES for the encryption algorithm:
crypt.CryptAlgorithm = "3des"

crypt.CipherMode = "ecb"

'  KeyLength must be 192.  3DES is technically 168-bits;
'  the most-significant bit of each key byte is a parity bit,
'  so we must indicate a KeyLength of 192, which includes
'  the parity bits.
crypt.KeyLength = 192

'  Pad with zeros
crypt.PaddingScheme = 3

'  EncodingMode specifies the encoding of the output for
'  encryption, and the input for decryption.
'  It may be "hex", "url", "base64", or "quoted-printable".
crypt.EncodingMode = "hex"

'  The secret key must equal the size of the key.  For
'  3DES, the key must be 24 bytes (i.e. 192-bits).
keyAscii = "1234567890123456ABCDEFGH"
crypt.SetEncodedKey keyAscii,"ascii"

'  Encrypt.
'  The result should be:
'  13d4d3549493d2870f93c3e0812a06de467e1f9c0bfb16c070ede5cabbd3ca62f217a7ae8d47f2c7bf62eb309323b58b
encStr = crypt.EncryptStringENC("The quick brown fox jumped over the lazy dog")
Response.Write encStr & "<br>"

'  Now decrypt:
decStr = crypt.DecryptStringENC(encStr)
Response.Write decStr & "<br>"

%>
</body>
</html>

 

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