file encryption and decryption in AX 2012

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Hi All,

Hope you are doing good. I am working on one functionality for file import but now encryption and decryption has included in that.

Earlier my bank was sending the file in XML format which was coming into one folder. I was perfectly able to read and import the data into my tables. But now bank has encrypted those files with PGP key and sending it.

So now bank is sending two things- 1. encrypted file with PGP extension and 2. The PGP key.

I am not sure how to use the PGP key and files to decrypt into AX 2012 using X++. If anyone can give me some idea would be great.

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Brandon Wiese 17,788 on at

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You should probably install a PGP library and run one of the binaries with command line options to decrypt the .pgp file into the original file. Depending on the PGP library that you download, the command line will be different.

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Thanks Brandon for the reply. Do you have any sample code piece for this ?

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Martin Dráb 237,801 Most Valuable Professional on at

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This is already the fourth thread with the same question. Please, don't make extra work for moderators - if they didn't have to clean up such a mess, they would have more time for answering your questions.

See my reply in your thread on DUG forum.

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Brandon Wiese 17,788 on at

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I like Martin's answer better. Using a .NET library directly from X++ using the Interop is a much cleaner solution, and that direct interaction with the library will let you detect errors and problems directly in your code, where dealing with errors from an external binary is far more challenging.

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Hi Martin,

I honor you suggestion. I'll remove unwanted multiple threads .

The DUG forum website is down so I thought of communicating here .

Your reply is "I would pick a .NET library for PGP, such as Bouncy Castle, and call it from X++ via .NET Interop."

But I think If we are using the open source libraries like Bouncy castle or any other like

www.didisoft.com/net-openpgp

gist.github.com/.../8323431

but the concerns are as below -

1. As those are the open source DLLs, is it Ok to download them on server and put them in a directory as it can contain some virus or bad files and can be a security risk.

2. As we will use these files to decrypt our actual credit card information, it means we are revealing the sensitive information with open world.

So now we are planning that Bank will send a zipped and password protect file and we will do it unzipped and decrypt with password.

Is it possible to use above approach to unzip and decrypt a file with password in Dynamics AX?

Or do you have some other approach ?

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Martin Dráb 237,801 Most Valuable Professional on at

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If you prefer closed-source code (that you can't review), you are free to buy one of commercial libraries for encryption.

Unfortunately I didn't get what you mean by "we are revealing the sensitive information with open world".

Yes, it's possible to use zipped files - I would again use a .NET library (some APIs are already in the standard .NET framework). Nevertheless if you wanted to use PGP, why do you now want to give it up and use symmetric encryption instead (as you description seems to suggest)? Note that you can encrypt even ZIP files with PGP.

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