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Re: Encrypt/decrypt compatibility with Microsoft Crypto API? [message #173941 is a reply to message #173899]

Fri, 13 May 2011 22:20

Trevor
Messages: 11
Registered: February 2011

Karma:

Junior Member

On 5/11/2011 4:15 PM, JohnT wrote:

> When I did something similar, I wrote a C applet to do this.
> You can't use standard tools because Windows pads the data differently.
>
> I used mcrypt with rijndael-128 and cbc
> Has been working successfully for a number of years.
>
> In order to get it to work, I had to do the en/decryption both ways in
> windows, and keep the data at each step, then replicate the data at the
> linux side.
>
> I think the main issue is that on linux, the data is 0 padded.
> On windows, the data is padded with a byte containing the length (in
> bytes) of the padding.

I'm actually running the php site on a Windows server, but it looks like
the endian-ness may still be an issue.

The Windows program was made with PowerBuilder, and since PowerBuilder
is able to create .Net assemblies, and PHP is supposed to be able to use
..Net assemblies, I thought it might be easiest to use the existing code
and put it in an assembly.

Turns out PHP's support for .Net assemblies is not all that great. Yes,
the example at php.net for this functionality works, but as stated in
several stagnant bug reports, other objects within the same mscorlib.dll
assembly don't even work. Is is correct, as it appears, that development
on DOTNET has ceased, leaving it not very usable?

This has been one long week, with nothing really to show for it. :(

- Trevor

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[Message index]

		Encrypt/decrypt compatibility with Microsoft Crypto API? By: Trevor Holyoak on Wed, 11 May 2011 21:03
		Re: Encrypt/decrypt compatibility with Microsoft Crypto API? By: JohnT on Wed, 11 May 2011 22:15
		Re: Encrypt/decrypt compatibility with Microsoft Crypto API? By: Trevor on Fri, 13 May 2011 22:20
		Re: Encrypt/decrypt compatibility with Microsoft Crypto API? By: The Natural Philosoph on Fri, 13 May 2011 22:27
		Re: Encrypt/decrypt compatibility with Microsoft Crypto API? By: Trevor on Tue, 17 May 2011 17:38

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