On Sat, Sep 5, 2015 at 1:31 PM, Georgi Guninski <[email protected]> wrote: > On Sat, Sep 05, 2015 at 11:45:07AM +0000, Peter Gutmann wrote: >> The real question though is, why would anyone use parameters they didn't >> generate themselves? All DSA implementations I've seen (apart from some > > What about MITM in DH -- where do you get the keys from > in this case?
A key-recovery attack may allow the retroactive decryption of past communication sessions, if the network endpoints rely on fixed Diffie-Hellman. Of course, whenever an attacker can successfully mount a MITM attack the current sessions are compromised. Cheers, -- Alfonso
