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Date: Fri, 17 Oct 2014 14:51:24 -0700
From: starwars1070 <starwars1070@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Some format ssh and ssh-ng issues/questions
Some versions of red hat Linux and if I recall from the guys in the lab who where testing it out some versions of ubuto I may be wrong I do know that red hat Linux does
Sent via the Samsung GALAXY S® 5, an AT&T 4G LTE smartphone Please Excuse all spelling errors and other grammer errors as I am more then likely typing this message on the bus or at the gym all errors are my own and are not on purpose
-------- Original message --------
From: Frank Dittrich <frank.dittrich@...lbox.org>
Date:10/17/2014 2:40 PM (GMT-08:00)
To: john-users@...ts.openwall.com
Cc:
Subject: Re: [john-users] Some format ssh and ssh-ng issues/questions
On 10/17/2014 10:21 PM, Dhiru Kholia wrote:
> On Fri, 17 Oct 2014, Frank Dittrich wrote:
>> According to doc/README.ssh, both formats (ssh and ssh-ng) support
>> cracking passwords of ssh private key files.
>> But for some reason, their corresponding converters, ssh2john and
>> sshng2john.py, produce different hashes.
>
> See "../run/ssh2sshng.py" utility.
OK, ssh2sshng.py can convert ssh hashes into ssh-ng hashes.
Why didn't you update doc/README.ssh after you wrote ssh2sshng.py?
>> Apparently, ssh-ng needs additional 20 seconds before the real cracking
>> starts, because the status line reports just 10 seconds of run time.
>> So, you'd need some longer sessions, before ssh-ng with the reported c/s
>> rate of 4421K catches up with ssh (reported c/s rate 3051K).
>
>> Apparently, cipher 2 has been added (just to ssh-ng) with this commit:
>> commit da8f1dfcc35e41c52ff28428e9ffd6f65e34eafd
>> How to I generate such a private key?
>
> http://www.tedunangst.com/flak/post/new-openssh-key-format-and-bcrypt-pbkdf
When you rewrite ssh-ng at some point, you should mention that URL in a
comment.
OpenSSH version 6,5 includes support for Ed25519 as a public key type
and a new private key format that uses a bcrypt KDF.
What OS/distro currently ships OpenSSH version 6,5?
Frank
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