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passwords decrypting

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F
Fraud
Op
Posts: 101
Joined: Mon May 19, 2008 7:57 am

passwords decrypting

Post by Fraud »

Hello. Is there any way to decrypt the passes from the eggdrops user file?
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arfer
Master
Posts: 436
Joined: Fri Nov 26, 2004 8:45 pm
Location: Manchester, UK

Post by arfer »

You would need to know the encryption algorithm and key.

I don't doubt somebody knows, but you can safely assume they will not be telling us.
I must have had nothing to do
n
nml375
Revered One
Posts: 2860
Joined: Fri Aug 04, 2006 2:09 pm

Post by nml375 »

Actually, the password is encrypted using the loaded encryption module (blowfish by default).

As for the blowfish-module, it uses a one-way encryption.
The one-way encryption is achieved by using the password itself as the key (generating the cipher-stream), to encrypt a fixed salt.
Reverse-engineering the key for the cipher-stream would be virtually impossible given the small size of the final hash (~768 bits).
NML_375
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