Add/remove recipient without re-encrypting

Robert J. Hansen rjh at
Thu Feb 3 15:56:28 CET 2011

On 2/3/11 9:38 AM, Alphazo wrote:
> Is it possible to add or remove a recipient to an already encrypted file
> and thus without re-encrypting the whole file?

Technically, yes, although you would need to write the tool yourself.

> Assuming I own the private key of one the original recipient, could
> GnuPG decrypt the session key and add/remove new recipients to
> the existing file?

GnuPG does not have this functionality.

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