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Date: Sat, 9 Nov 2013 03:15:06 +0100
From: Lukas Odzioba <>
Subject: Re: gpg requires more test vectors

2013/11/9 Lukas Odzioba <>:
> I have a problem with generating keys in batch mode, somehow such
> generated key is not crackable so I am doing something wrong or we
> have some bug.

The problem was that for most of my testing I was using MD5 hash which
seems to be only one broken.

> Since gpg2john supports gecos field and password is embedded in
> comment john should crack all loaded hashes.
> I have no problems with keys generated by "gpg --gen-key" interactive
> mode, but it would be crazy to do that manually.

I made invalid assumption above, single mode didn't handle that.

$ cat ALL | sed 's/.*(pass is //' | cut -f1 -d')' > wlist
$ cat wlist | head -n 1

$ ./john ALL -w:wlist
Loaded 25 password hashes with 25 different salts (gpg, OpenPGP /
GnuPG Secret Key [32/32])
Press 'q' or Ctrl-C to abort, almost any other key for status
RIPEMD160-AES192-openwall (RIPEMD160-AES192.sec)
RIPEMD160-AES256-openwall (RIPEMD160-AES256.sec)
RIPEMD160-AES-openwall (RIPEMD160-AES.sec)
RIPEMD160-CAST5-openwall (RIPEMD160-CAST5.sec)
SHA1-AES192-openwall (SHA1-AES192.sec)
SHA1-AES256-openwall (SHA1-AES256.sec)
SHA1-AES-openwall (SHA1-AES.sec)
SHA1-CAST5-openwall (SHA1-CAST5.sec)
SHA256-AES192-openwall (SHA256-AES192.sec)
SHA256-AES256-openwall (SHA256-AES256.sec)
SHA256-AES-openwall (SHA256-AES.sec)
SHA256-BLOWFISH-openwall (SHA256-BLOWFISH.sec)
SHA256-CAST5-openwall (SHA256-CAST5.sec)
SHA512-AES192-openwall (SHA512-AES192.sec)
SHA512-AES256-openwall (SHA512-AES256.sec)
SHA512-AES-openwall (SHA512-AES.sec)
SHA512-BLOWFISH-openwall (SHA512-BLOWFISH.sec)
SHA512-CAST5-openwall (SHA512-CAST5.sec)
20g 0:00:00:02 DONE (2013-11-09 02:09) 8.064g/s 28.22p/s 440.3c/s
440.3C/s SHA512-TWOFISH-openwall
Use the "--show" option to display all of the cracked passwords reliably
Session completed

$ ./john -show=left ALL


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