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In 2014, Choi proposed a security enhanced anonymous multi-server authenticated key agreement scheme using smart card and biometrics and claimed that their scheme could overcome all of security issues in Chuang-Chen's scheme, such as impersonation attack, smart card loss attack, denial of service attack and perfect forward secrecy. Unfortunately, we discover that Choi's proposed scheme is not only...
The new re-authentication protocol named SFR is proposed to make up for lack of authentication to access network in existing re-authentication protocol. One kind of key is generated using SKEY authentication algorithm in SFR. SFR is the parallel composition of sub-protocol SFR1 and SFR2. WLAN-UE and HAAA authenticate mutually in SFR1. WLAN-UE and WLAN-AN authenticate mutually in SFR2. The security...
The key technology of mobile value-added services is to design protocol, which can meet the poor computing power as well as being security. This paper proposes an Advanced-RPC protocol by adding hash function with key to the Lowe modified BAN concrete Andrew Secure RPC. The new protocol mends some undesirable properties in the old one, enhances forward security, and improves the running efficiency...
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