3 ms·
You're describing the Diffie-Hellman story I mentioned (in a somewhat confusing way; forward secrecy isn't involved here, this isn't about breaking RSA TLS keys
by marcan_42 5y ago
You're describing the Diffie-Hellman story I mentioned (in a somewhat confusing way; forward secrecy isn't involved here, this isn't about breaking RSA TLS keys, and in fact DH is used in connections with forward secrecy). Again, that only works for 1024 bit DH schemes. The NSA can't factor 2048 bit keys, and they definitely can't factor 4096 bit keys. These aren't unknown capabilities; it's pretty easy to get an order of magnitude estimate on how much compute power the NSA has (spoiler alert: Google has more).