Compression used in an encrypted message

Avi at
Fri Mar 11 21:15:10 CET 2011

Thank you for the explanations, everone.


On 3/11/11, David Shaw <dshaw at> wrote:
> On Mar 11, 2011, at 2:01 PM, Avi wrote:
>> Thanks, everyone.
>> So we can see the algorithm, but can not be able to see the compression
>> level used, correct?
> Not directly, no.  OpenPGP just encapsulates the compressed stream, so you'd
> have to extract the compressed data and examine it.  I'm not sure if a
> single-number answer is available even then.  Basically, if you can get the
> level from a regular compressed .gz or .bz2 file, then you can get it here,
> but either way, GPG does not have visibility into that.
> David

Sent from my mobile device


pub 3072D/F80E29F9 1/30/2009 Avi (Wikimedia-related key) < at>
   Primary key fingerprint: 167C 063F 7981 A1F6 71EC  ABAA 0D62 B019 F80E 29F9

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