CoCoA: Concurrent Continuous Group Key AgreementConcurrent Continuous Group Key Agreement • March 2nd, 2022
CoCoA: Concurrent Continuous Group Key AgreementConcurrent Continuous Group Key Agreement • February 25th, 2022
Messaging platforms like Signal are widely deployed and provide strong security in an asynchronous setting. It is a challenging problem to construct a protocol with similar security guarantees that can efficiently scale to large groups. A major bottleneck are the frequent key rotations users need to perform to achieve post compromise forward security.
