改进的TTS密钥协商协议，以很小的计算代价使原tts协议在密钥证实性、源认证和抗同谋破解上有了很大改善。
The improved TTS key negotiation protocol, with small calculation cost, makes great progress in key verification, data source authentication and resist inners attack.
分析了3G认证与密钥协商协议（AKA）的过程和特点，指出了存在的缺陷，提出了一种新的AKA改进方案。
The shortcomings to 3G Authentication and Key Agreement(AKA) protocol were described through analyzing its procedure and security.
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