Photo's in keys?

John Clizbe John at
Fri May 15 04:30:04 CEST 2009

Allen Schultz wrote:
> RE: including a photo uid, which is commonly stripped by public
> keyservers (
> Are there any limits on the photo in the keys, format/extension,
> size, etc? Will GPG resize if necessary? And the basic command
> to add the pic in, please.

Not sure where the idea that public keyservers strip photo ids is from.
That was a problem with older PKS servers, but the current SKS photos
handle all aspects of V4 keys just fine.

PGP specifies 120x144 as the maximum image resolution while GPG
recommends the usage of 240x288. You'll need to size the image yourself

Most folks recommend keeping the size down to 4K-6K which favors JPEG.
RFC 4880 only mentions JPEG.

Open a command window/shell prompt. Run the command

	gpg --edit-key <keyID> addphoto

GnuPG will then ask you for the filename of your JPEG image. Specify the
complete path.

John P. Clizbe                      Inet:John (a)
You can't spell fiasco without SCO. hkp://  or
     mailto:pgp-public-keys at

Q:"Just how do the residents of Haiku, Hawai'i hold conversations?"
A:"An odd melody / island voices on the winds / surplus of vowels"

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