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Software components for data protection, secure storage and transfer

Attaching metadata / note / memo to PGP file

Also by EldoS: CallbackRegistry
A component to monitor and control Windows registry access and create virtual registry keys.
#15237
Posted: 12/07/2010 07:49:31
by Anthony Graham (Standard support level)
Joined: 10/20/2010
Posts: 4

Is there a way that I can attach some information to an PGP file made with SBB (and then read it back at a later point).

The reason is we use a shared key, but I want to embed the person who encrypts the file along with which machine they were on, and possibly something else to generated archives.

Is such a thing possible?

Regards,

Anthony
#15239
Posted: 12/07/2010 08:05:20
by Vsevolod Ievgiienko (EldoS Corp.)

Thank you for contacting us.

OpenPGP standard that is implemented in SBB does not allow to add additional information to encrypted files. The only way is to add this information to file before encryption or put it in a separate file in case of using ElPGPWriter.EncryptFiles.
#15241
Posted: 12/07/2010 08:14:26
by Ken Ivanov (EldoS Corp.)

Actually, you can put the metadata to the headers of the armoured OpenPGP message (unless you need to keep it in protected form along with the source message).
#15242
Posted: 12/07/2010 08:18:02
by Mykola Olshevsky (Basic support level)
Joined: 07/07/2005
Posts: 450

Also, it doesn't look good choice, but you can insert some data in FileName property of TElPGPWriter (set it to something like Computer178_John_12092010_filename.txt), however this will need some action on other side, while decrypting.
This data is encrypted.
#15243
Posted: 12/07/2010 08:21:39
by Eugene Mayevski (EldoS Corp.)

One more option is actually encrypt two files (SecureBlackbox allows this) and put your information to the second file. On decryption, though, you would need to use Secureblackbox or PGP desktop 9.x, as only they support automatic decryption of multiple files.


Sincerely yours
Eugene Mayevski
Also by EldoS: Callback File System
Create virtual file systems and disks, expose and manage remote data as if they were files on the local disk.

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