« first day (3960 days earlier)      last day (52 days later) » 

6:29 AM
yeap, anyone uses GF(2^k)...
 
 
12 hours later…
6:11 PM
1
Q: Σ-protocol that proves an even number was committed using Pedersen commitment scheme

JayDewI need to design a Σ-protocol ZKP using Pedersen commitment scheme that proves knowledge of a, y such that statement A = h^y * g^a only holds for even y (y=2x). Of course, the protocol needs to be sound, special-sound, and honest-verifier zero-knowledge. Any suggestions?

 
 
3 hours later…
9:33 PM
1
Q: Can a MITM during Diffie-Hellman key exchange manipulate both sides to generate symmetric secrets?

smattIs it possible for an attacker on a Diffie-Hellman key exchange to manipulate both sides in a way so that the secret generated on each side is identical? Or put differently, would it be possible to detect an attack via MITM if we can detect via a different channel that the secrets of both parties...

 

« first day (3960 days earlier)      last day (52 days later) »