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SecureBlackBox.PGP throwing error "Unexpected end of data"

Posted: 01/06/2016 14:35:46
by Amar  (Standard support level)
Joined: 05/01/2015
Posts: 7


We are using version 12 SecureBlackBox to decrypt pgp and gpg files. These encrypted files are provided by third party vendors. The component/code is working fine for decrypting pgp files but on gpg decryption is it throwing the below error
"Unexpected end of data"
at SBPGP.TElPGPReader.Synchronize()
at SBPGP.TElPGPReader.DecryptAndVerify(Stream ASourceStream, Int64 Count)

Can you please help me understand/figure why the component errors out on gpg decryption.

Posted: 01/06/2016 15:56:47
by Ken Ivanov (Team)

Hi Amar,

Since not too long ago we started getting occasional reports of such kind. After some investigation we've found out that some software, not yet identifiable, produces badly formatted OpenPGP files. We've added a workaround to tolerate such files in version 13. Unfortunately, it's not available in version 12 as the problem showed itself up relatively recently.

To overcome the issue, please consider upgrading to version 14 and tuning up your TElPGPReader component by setting IgnoreDataPacketLengths property to true.

On a side note, if you have a valid SecureBlackbox license, please assign your license ticket to your eldos.com account. This will bring up all the up-to-date downloads available within your license, and let us provide you with higher support level.

Posted: 01/07/2016 11:25:52
by Amar  (Standard support level)
Joined: 05/01/2015
Posts: 7

Thanks Ken, I was able to successfully decrypt the files by upgrading.
Posted: 01/07/2016 11:50:57
by Ken Ivanov (Team)

Thank you for confirming that. Do you by any chance know the name of the software that produced the file?

Posted: 01/19/2016 12:38:49
by Amar  (Standard support level)
Joined: 05/01/2015
Posts: 7

No, I do not know the software, it is black box to us.



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