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This paper first analyzes authentication and key agreement protocol adopted by 3rd generation partnership project (3GPP) system architecture evolution (SAE) release 8 standard, and points out the security problems solved and not solved in contrast with third generation wireless communications. Then we focus on several security defects in the protocol, and based on public key cryptosystem, puts forward...
Since there is eavesdropping and MITM attack during establishing encryption key between two Bluetooth devices, a secure key agreement scheme is designed based on elliptic curves cryptography and interlock protocol. This scheme can defend two kinds of attacks mentioned above. It provides bidirectional authentication for two devices and key integrity verification by exchanging the keyspsila Hash-value...
The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the Internet. However, how to authenticate each other and agree on a session key has not been efficiently solved. In 2007, Wang and Zhang proposed a key agreement protocol and a new authentication and key agreement mechanism for SIP. In this paper, we prove that Wang and Zhang's key agreement protocol...
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