Re: [cryptography] *.google.com certificate issued by DigiNotar

2011-09-02 Thread Marsh Ray
On 09/02/2011 12:55 PM, coderman wrote: the next escalation will be sploiting private keys out of hardware security modules presumed impervious to such attacks. given the quality of HSM firmwares they're lucky cost is somewhat a prohibiting factor for attackers. authority in the wild, not

Re: [cryptography] *.google.com certificate issued by DigiNotar

2011-09-02 Thread Seth David Schoen
Marsh Ray writes: Why would they need to? What's the difference between a private key in the wild and a pwned CA that, even months after a breakin and audit, doesn't revoke or even know what it signed? (This is a serious question) The pwned CA leaves evidence that other people can

Re: [cryptography] *.google.com certificate issued by DigiNotar

2011-09-02 Thread coderman
On Fri, Sep 2, 2011 at 11:50 AM, Marsh Ray ma...@extendedsubset.com wrote: ... What's the difference between a private key in the wild and a pwned CA that, even months after a breakin and audit, doesn't revoke or even know what it signed? i should have been more clear; by pwning the HSM i

Re: [cryptography] *.google.com certificate issued by DigiNotar

2011-09-01 Thread Peter Gutmann
[NB: CC'd to the randombit cryptography list, since this is an interesting point for discussion]. Ian G i...@iang.org writes: What we'll likely see now is a series of breaches at multiple levels to acquire and misuse certs. We've seen compromises in the past, but what makes this new is