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They did both. They tapped private inter-DC fiber of Google's that wasn't encrypted. Additionally they had a cute hack that could crack Diffie Hellman at a co
by monocasa 4y ago
They did both. They tapped private inter-DC fiber of Google's that wasn't encrypted. Additionally they had a cute hack that could crack Diffie Hellman at a cost of about $100M a prime (and most of the internet at the time used the same primes). So most TLS/IPSEC/SSH etc was wide open to them too if they could catch the handshake.
- dekhn 4y agoCan you point me at the DH crack? This? https://www.theregister.com/2015/10/19/nsa_crypto_breaking_theory/ https://www.theregister.com/2015/10/19/nsa_crypto_breaking_t... I don't recall that ever being associated with breaking Google traffic although I recall there were some Google SSL changes around the time which may be related. I simply haven't seen any direct evidence, while a packet dump on a slide is direct evidence.