Recover Your GPG Passphrase using 'John the Ripper'
Oct 08, 2012, 13:00 (0 Talkback[s])
(Other stories by Nitesh)
John the Ripper is a free and Open Source password cracker. Its primary purpose is to detect weak Unix passwords and It is one of the most popular password testing and breaking programs. It combines a number of password crackers into one package, autodetects password hash types, and includes a customizable cracker. JTR is available in official Ubuntu repositories. A custom JTR build includes a nice gpg2john binary that converts your key file into a format that JTR understands.
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