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13 votes
3 answers
7k views

What does "export grade" cryptography mean? And how is this related to the Logjam attack?

I am doing some research on the Logjam attack, and I need help in learning some terms that are new for me. What does "export grade" cryptography mean? And how is this related to the Logjam attack?
han's user avatar
  • 419
9 votes
1 answer
597 views

Is it possible to generate backdoored DH parameters?

I know it has been already asked and answered whether it's possible to generate weak DH parameters. But "recentely" we experienced the Logjam attack, which makes use of the pre-computation ...
SEJPM's user avatar
  • 46.4k
15 votes
1 answer
709 views

Logjam on Elliptic Curves?

I think we're all aware of the Logjam attack. From now on we know that re-using primes for DH is a bad idea. But we also say that elliptic curves are safe from the attack (relying on the NFS), ...
SEJPM's user avatar
  • 46.4k