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Network Security Pen-Test
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Re: Determining the encryption used

Subject: Re: Determining the encryption used
Date: Thu, 11 May 2006 16:08:54 -0600
From what I have picked up cracking passwords, Cain (windows app from
oxid.it) has numerous decryption methods in it and will tell you if
the hash does not fit. As for the length some encryption protocols can
be identified by their length (do not know off the top of my head
though).

On 5/11/06, John Madden <chiwawa999@yahoo.com> wrote:
Hi,

While doing a pen-test I came across a database with
encrypted fields and I was curious to try and see what
I would do with it.

Is it possible to determine the encryption used by
"looking" at the encrypted results or lenght ?

I know that with Base64 it's pretty easy because of
the "==" at the end.

I would like to learn more about the subject and
considering the amount of documentation out there, I
would like your comments on what you have used and
found usefull.

Also if there are any tools besides openssl that you
found usefull to try all the cipher, consecutively
with a passphrase/keyword against a file/string

Thank you for your time.




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