Re: AACS and Processing Key

2007-05-06 Thread Perry E. Metzger
Alexander Klimov <[EMAIL PROTECTED]> writes: > On Wed, 2 May 2007, Perry E. Metzger wrote: >> All cryptography is about economics. In crypto, we usually >> consider what the best strategy for an attacker is in terms of >> breaking a cryptosystem, but here I think the right question >> is what the

Re: AACS and Processing Key

2007-05-06 Thread Alexander Klimov
On Wed, 2 May 2007, Perry E. Metzger wrote: > All cryptography is about economics. In crypto, we usually > consider what the best strategy for an attacker is in terms of > breaking a cryptosystem, but here I think the right question > is what the optimal strategy is for the attacker in terms of > m

Re: AACS and Processing Key

2007-05-04 Thread Steve Schear
At 11:32 AM 5/2/2007, Perry E. Metzger wrote: Anyone very familiar with AACS have ideas on what optimal attack and defense strategies are? This seems like a fertile new ground for technical discussion. Ed Felton wrote and excellent piece on AACS from the technical and economic/tactical standp

Re: AACS and Processing Key

2007-05-02 Thread Perry E. Metzger
[EMAIL PROTECTED] ("Hal Finney") writes: > The interesting thing is that publishing a processing key like this does > not provide much information about which device was cracked in order > to extract the key. This might leave AACSLA in a quandary about what to > revoke in order to fix the problem