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Message-ID: <CABtNtWFEuC9e9SGmiThX=fkT3E7f9DwzE4cO7zdi505TN0ejjA@mail.gmail.com>
Date: Fri, 6 Mar 2015 17:28:08 +0800
From: Kai Zhao <loverszhao@...il.com>
To: john-dev@...ts.openwall.com
Subject: Generic crypt(3)
Hi,
I tried to crack my password with John the Ripper jumbo. There are two
password
, one is right-format and another one is changed by AFL(American Fuzzy Lop).
right-format one: (there is one line)
root:$6$FrkHWlkw$m8p79w.oVQm8ZOmlC4BgHJgPBvfHVkmUdcSv5ayO5FcTE
3PPCNP8CV8NBemI6v3vO2hdNJ9mkilnSQHAmdbEe.:0:0:root:/root:/bin/bash
changed one :(there is one line)
root:$6$FrkHWlkw$m8p79w.oVQm8ZOmlC4BgHJgPBvfHVkmUdcSv5ayO5FcTE
3PP�NP8CV8NBemI6v3vO2hdNJ9mkilnSQHAmdbEe.:0:0::/root:/bin/bash
The right-format one took a lot of time and I canceled. The changed one
took a lot of time too. I think
the changed one is wrong-format. Since there is a character "�" . crypt(3)
man page shows that the
format should be : "$id$salt$encrypted". Also the characters in "salt" and
"encrypted" are draw from
the set [a-zA-Z0-9./];
However, john did not recognize the changed one as wrong-format and tried
to crack it.
My john is downloaded from: https://github.com/magnumripper/JohnTheRipper
And my compile steps are: ./configure && make -sj8
Is this a bug?
Thank you in advance.
--
loverszhaokai
motto：You got a dream and you gotta protect it.
github：https://github.com/loverszhaokai
blog：http://www.cnblogs.com/lovers/
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