1
vote
0answers
114 views

Best group if one wants the discrete log problem to be hard?

Suppose one is implementing a cryptographic scheme over a group where one needs the discrete logarithm to be hard - what is the recommended group to use? I'm looking for a group where calculations are ...
1
vote
0answers
141 views

Can you help me clear a confusion about small subgroup attack on HMQV?

First,i want to show you with a picture how the HMQV works. There are some notations you might not familiar, it doesn't matter. I just want to show you the procedure. Next it's an attack on HMQV ...
4
votes
1answer
145 views

Is there a group of prime order which could fit the CT-Computational Diffie-Hellman assumption?

I'm trying to choose a group that is hard under the Chosen-Target Computational Diffie-Hellman assumption, according to the definition in this paper, in order to implement the oblivious transfer ...