Figuring out Encryption Used

[jim.halfpenny at gmail.com (Jim Halfpenny)]

Hi,
If you do this kind of known plaintext activity then start by generating a
dictionary mapping passwords to hashes. Start with single characters and
work up.

Is the length of the crypt the same each time?
Does the password length affect the length of the crypt?
Does 'aaa' yield a similar crypt to 'aab'?
Is there a maximum password length after which the password is truncated
before being hashed (think Unix crypt)?

At worst you can create a rainbow table for this implementation, assuming
you can automate password generation.

Jim


2009/7/15 <infolookup at gmail.com>

> Hello All:
>
> I am looking for some utilities/framework for testing  encryption schemes,
> I am testing an application prior to production and I would like to know
> what steps would one take to reverse the following:
>
> Plain text password       Encrypted
>  abcdef                   +PSTK8+K
>  123456                   +3fYeUaJ
>
>
> Thanks in advanced!
> Sent from my Verizon Wireless BlackBerry
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