TripleDES C# Source Code

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BillG_SD - 25 Feb 2008 16:27 GMT

Does anyone know where I can find the source code to the TripleDES algorithm
in C#? I found it in Java and C++, but not C#. I found the calls to
Encrypt() & Decrypt(), but not the source itself. Yes, I could translate it
from C++ or Java; but I don't want to re-invent the wheel.

Thanks,

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Eugene Mayevski - 25 Feb 2008 16:49 GMT

Hello!
You wrote on Mon, 25 Feb 2008 08:27:02 -0800:

BS> Does anyone know where I can find the source code to the TripleDES
BS> algorithm in C#? I found it in Java and C++, but not C#. I found the
BS> calls to Encrypt() & Decrypt(), but not the source itself. Yes, I
BS> could translate it from C++ or Java; but I don't want to re-invent the
BS> wheel.

Try BouncyCastle, they must have it in their C# port.

With best regards,
Eugene Mayevski
http://www.SecureBlackbox.com - the comprehensive component suite for
network security

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Joe Kaplan - 25 Feb 2008 17:06 GMT

That's probably the best bet. The .NET framework calls down into the
unmanaged CryptoAPI for its 3DES implementation, so you can't even use
Reflector to see anything useful.

I'm curious why this is needed though.

Joe K.

Signature

Joe Kaplan-MS MVP Directory Services Programming
Co-author of "The .NET Developer's Guide to Directory Services Programming"
http://www.directoryprogramming.net
--

> Hello!
> You wrote on Mon, 25 Feb 2008 08:27:02 -0800:
[quoted text clipped - 11 lines]
> http://www.SecureBlackbox.com - the comprehensive component suite for
> network security

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Jesse Houwing - 25 Feb 2008 19:39 GMT

Hello Joe,

> That's probably the best bet. The .NET framework calls down into the
> unmanaged CryptoAPI for its 3DES implementation, so you can't even use
> Reflector to see anything useful.
>
> I'm curious why this is needed though.

I guess it wouldn't be needed, but the CryptoAPI is a well known API which
is certified by a number of government organisations. It was probably easier
to re-use it as it's guaranteed to be available on any Windows PC.

--
Jesse Houwing
jesse.houwing at sogeti.nl

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Joe Kaplan - 25 Feb 2008 20:15 GMT

If you just want to be sure you are using the CryptoAPI for 3DES, then using
the TripleDESCryptoServiceProvider class should take care of you.

Joe K.

Signature

Joe Kaplan-MS MVP Directory Services Programming
Co-author of "The .NET Developer's Guide to Directory Services Programming"
http://www.directoryprogramming.net
--

> Hello Joe,
>
[quoted text clipped - 11 lines]
> Jesse Houwing
> jesse.houwing at sogeti.nl

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TripleDES C# Source Code

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