Options to revoke a key
Adrian von Bidder
avbidder at fortytwo.ch
Mon Oct 27 09:28:34 CET 2003
On Monday 27 October 2003 01:20, Stefan Nicolin wrote:
> the key). I still remember fragments of my passphrase.
You can then probably write a script/program to generate the possible
passphrases (you probably know not only fragments, but perhaps also the
general form of the parts you don't remember - where they numeric,
alphanumeric, punctuation, how long were the parts etc.). So you should be
able to narrow it down to a few thousand possible passphrases - then,
depending on your coding skills, you can use a script that calls gpg (with
--passphrase-fd; very slow) or a program that reads the secret keyring file
and brute-forces it directly.
RFC2440 describes the binary format of the file you get when you do
--export-secret-key (Hmm. On second thought - does it really? It only deals
with public keys...)
featured link: http://fortytwo.ch/gpg/subkeys
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