Cryptanalysis of olimid’s group key transfer protocol based on secret sharing
Priyanka Jaiswal, Sachin Tripathi · Journal of Information and Optimization Sciences · 2018
In 2013, Olimid proposed an improved version of the group key transfer protocol based on secret sharing, and she claimed that her proposed protocol removes the security flaws of Sun et al.,’s group key transfer protocol. However, our analysis shows that the improved Olimid’s protocol is still have some other security flaws and vulnerable to outsider and insider attack.