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Date: Wed, 16 Jun 2010 22:23:04 +0000 From: "Thor (Hammer of God)" <Thor@...merofgod.com> To: Brandon Enright <bmenrigh@...d.edu> Cc: "<full-disclosure@...ts.grok.org.uk>" <full-disclosure@...ts.grok.org.uk> Subject: Re: Introducing TGP... > You're using a 1024 bit key here which seems a bit gutsy ;-) > > Without better attacks, you basically have: > > Brute force AES 256 -> O(2^256) > Bruce force your 20 char password -> roughly O(2^(20*7)) == O(2^140) Factor > your 1024 bit public modulus -> roughly O(2^80) > > Since a 768 bit RSA key has already been factored I'd say you only have a few > years before a moderately sized cluster could factor your public key. > > Of course, as I write this I realize I'm about to sign this message with a 1024 > bit DSA key... Actually it's 2048, which I was comfortable with. And don't forget the 16bit salt on that password ;) t _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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