Open AccessRYY ++ : A Novel Provably Secure Identity‐Based Authenticated Key Agreement Protocol
Author(s) -
Li Yang,
Zhu Jianming,
Zhang Ning,
Wang Xiuli,
Zhang Yaoqi
Publication year - 2015
Publication title -
chinese journal of electronics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.267
H-Index - 25
eISSN - 2075-5597
pISSN - 1022-4653
DOI - 10.1049/cje.2015.04.018
Subject(s) - computer science , protocol (science) , key (lock) , authenticated key exchange , computer network , computer security , key exchange , public key cryptography , encryption , medicine , alternative medicine , pathology
Based on revisiting the RYY + Identity based (ID‐Based) key agreement protocol, we find it's vulner able to Intermediate results leakage (IRL) and Key compromise impersonation (KCI) attack. A novel protocol called RYY ++ is proposed to make up for its deficiencies. Our protocol follows the Full dual exponential challenge response (FDCR‐1) scheme to ensure the signature change every time, so the master public key of Private key generator(PKG) joined in signature generation can guarantee two parties trust each other. The RYY ++ protocol is also proven to be secure in the Strengthened extended Canetti–Krawczyk (SeCK) model which provides better support for adversary's query and has an advantage over most existing protocols on security and efficiency.