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Author Topic: Encrypted passwords  (Read 91548 times)
Agelmar
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Encrypted passwords
« on: December 09, 2001, 10:14:37 PM »		 Reply with quote
I just thought of this - if a Y1G board uses the encrypted passwords mod... is it possible to port it to YaBBSE?
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Joseph Fung
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Re:Encrypted passwords
« Reply #1 on: December 09, 2001, 10:16:02 PM »		 Reply with quote
hmm...that's a toughie...the porter assumes the passwords are unencrypted...

how's the encryption done? if it's using crypt with the 2 first chars of the passwd as the seed - then it can be done..
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Agelmar
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Re:Encrypted passwords
« Reply #2 on: December 09, 2001, 10:16:56 PM »		 Reply with quote
With the mod, it actually asks for a seed...
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Agelmar
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Re:Encrypted passwords
« Reply #3 on: December 09, 2001, 10:18:14 PM »		 Reply with quote
I'm looking to see if I can find the documentation for the mod, gimme a sec...
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Joseph Fung
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Re:Encrypted passwords
« Reply #4 on: December 09, 2001, 10:21:24 PM »		 Reply with quote
if it's using the same seed for each password, I don't think we can do it then...
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Agelmar
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Re:Encrypted passwords
« Reply #5 on: December 09, 2001, 10:22:49 PM »		 Reply with quote
Yes, it uses the same seed for all passwords... If you had the seed, could you just import the password raw and have the forum check the inputted password encrypted to the seed against the stored value (that's how the mod works if I recall...)
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Joseph Fung
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Re:Encrypted passwords
« Reply #6 on: December 09, 2001, 10:26:41 PM »		 Reply with quote
You'd have to apply a mod to the SE code - right now, the passwords are stored using the first 2 chars of the password as the seed (which is standard practice).  You'd have to change how the passwords are checked and then how the converter converts the info...
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Mostmaster
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Re:Encrypted passwords
« Reply #7 on: December 09, 2001, 10:27:33 PM »		 Reply with quote
yup, the password-encryption-mod uses the seed 'ya' defined in the subs.pl (if I can remember).
So its possible. We have 2 mods now for the converter.
1. convert polls
2. convert encrypted passwords..

hehe.. ;D
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Agelmar
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Takako Matsu = Goddess
Re:Encrypted passwords
« Reply #8 on: December 09, 2001, 10:29:44 PM »		 Reply with quote
Except that that mod would not be for the converter, but for the entire forum... the encryption is non-reversable.
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Mostmaster
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Re:Encrypted passwords
« Reply #9 on: December 09, 2001, 10:33:09 PM »		 Reply with quote
you're right.
nasty problem...
we'll find something for it.. ;D
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Jeff Lewis
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Re:Encrypted passwords
« Reply #10 on: December 09, 2001, 10:36:11 PM »		 Reply with quote
Hehe I do have a tool which decrypts them, just takes a long time ;)
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Agelmar
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Takako Matsu = Goddess
Re:Encrypted passwords
« Reply #11 on: December 09, 2001, 10:37:13 PM »		 Reply with quote
Really? Would you mind passing that my way? I could really use it, as I have a pet project I'm working on...
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Mostmaster
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Re:Encrypted passwords
« Reply #12 on: December 09, 2001, 10:41:54 PM »		 Reply with quote
With brute force.... ;D
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Edwin
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Re:Encrypted passwords
« Reply #13 on: December 09, 2001, 10:43:37 PM »		 Reply with quote
Quote from: Jeff Lewis on December 09, 2001, 10:36:11 PMHehe I do have a tool which decrypts them, just takes a long time ;)

Yup, in the year 2424 it's decrypted  ;D
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Jeff Lewis
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Re:Encrypted passwords
« Reply #14 on: December 09, 2001, 10:45:56 PM »		 Reply with quote
It's faster than that and I've used it at work...
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