phc-discussions - Re: [PHC] Password Hashing done wrong on CISCO IOS

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Message-Id: <6BC8F2EF-4F9B-4F0F-BE08-64231DBEC569@goldmark.org>
Date: Mon, 25 Mar 2013 13:05:26 -0500
From: Jeffrey Goldberg <jeffrey@...dmark.org>
To: discussions@...sword-hashing.net
Subject: Re: [PHC] Password Hashing done wrong on CISCO IOS

On 2013-03-21, at 8:52 PM, Peter Gutmann <pgut001@...auckland.ac.nz> wrote:

> Marsh Ray <maray@...rosoft.com> writes:
> 
>> The challenge with subtle password hash bugs is that QA can do a thorough job
>> of black-box testing and still not catch 1 round instead of 1000.

> Firefox (meaning probably NSS, so potentially lots of other products as well)
> did this for quite some time, possibly years.  It was only corrected when I
> noticed it with dumpasn1 and filed a bug.  Even then it took them over a year,

Elcomsoft had discovered in 2010 that Blackberry backups used just one round of PBKDF2. I
don't know whether that was a design error or an implementation error.

 http://blog.crackpassword.com/2010/09/smartphone-forensics-cracking-blackberry-backup-passwords/

If Andrey Belenko is following this discussion, he might be the one to ask. (I'm not sure exactly
when he was with Elcomsoft).

Cheers,

-j