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Date: Wed, 18 Jan 2006 18:15:39 -0800
From: Lonnie Ko <>
Subject: Re: Incremental Alpha Quagmire

um, i do not understand how to open john the ripper, is there a guide
someowhere thtat i can learn?.

thank you

On 1/18/06, Arias Hung <> wrote:
> Another characterstic of JTR that I'm trying to wrap my mind around that
> doesn't seem to me to be quite optimal
> ... perhaps someone can point to the proper way to optimization in this
> case.
> When configuring the conf file, the incremental for alpha is defined as:
> (in my case I know the pw length that i'm attempting to decrypt)
> [Incremental:Alpha]
> File = $JOHN/alpha.chr
> MinLen = 8
> MaxLen = 8
> CharCount = 26
> What is baffling to me is the charcount, since it's listed as only 26 yet
> alpha passwords seem always to be a mixture of upper and lowercase.
> Should not the character count be 52?!?!
> Also, it seems to take an exorbitant amount of time before john begins
> attempting mixed (upper + lower) Alpha combinations.
> What would be the ideal way to get the upper/lower combinations to begin
> immediately?  Wouldn't it be ideal to increase character count to 52 and
> consider upper and lower to be separate character types as they certainly
> are treated as distinguished from one another as all passwords are case
> sensitive?


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