Cryptanalysis of Al-Riyami-Paterson's Authenticated Three Party Key Agreement Protocols.
Kyung‐Ah Shim · IACR Cryptology ePrint Archive · 2003
Recently, Al-Riyami and Paterson [1] proposed four authenticated tripartite key agreement protocols which make use of Weil pairing. In this paper, we show that the protocols are insecure against the man-in-the middle attack, key compromise impersonation attack and several known-key attacks.