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How to decrypt the encrypted string using RSA in D365 FO

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Hi All,

How to decrypt the encrypted string using RSA private key in D365 FO?

Thanks & Regards,

Masha

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Martin Dráb 241,469 Most Valuable Professional on at

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I'm not aware of anything specific to F&O, but you can use .NET types in X++ (via .NET Interop). RSACryptoServiceProvider likely is what youůre looking for.
it.dev 30 on at

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Hi Martin,

i have check the documentation i a little bit confused in this decrypt method

public static byte[] RSADecrypt(byte[] DataToDecrypt, RSAParameters RSAKeyInfo, bool DoOAEPPadding) { try { byte[] decryptedData; //Create a new instance of RSACryptoServiceProvider. using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider()) { //Import the RSA Key information. This needs //to include the private key information. RSA.ImportParameters(RSAKeyInfo); //Decrypt the passed byte array and specify OAEP padding. //OAEP padding is only available on Microsoft Windows XP or //later. decryptedData = RSA.Decrypt(DataToDecrypt, DoOAEPPadding); } return decryptedData; } //Catch and display a CryptographicException //to the console. catch (CryptographicException e) { Console.WriteLine(e.ToString()); return null; } }

how to import the provided private key into this method?

Thanks & Regards,

Masha
Martin Dráb 241,469 Most Valuable Professional on at

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If you look at the code, you'll notice that the key must be passed to the instance of RSACryptoServiceProvider. Your example uses ImportParameters(), but there are other methods too, such as ImportEncryptedPkcs8PrivateKey(). What exactly you should do depends on where you have the key.

Note that we're now discussing pure C# code, not anything about F&O. Consider asking in a .NET forum, because there you'll reach more people experienced with such things then here.