Secret Key Generation Through a Relay

被引：0
作者：
Kittichokechai, Kittipong [1 ]
Schaefer, Rafael F. [1 ]
Caire, Giuseppe [1 ]
机构：
[1] Tech Univ Berlin, Berlin, Germany
来源：
2016 IEEE INFORMATION THEORY WORKSHOP (ITW) | 2016年
关键词：
COMMON RANDOMNESS; INFORMATION; COMMUNICATION; AGREEMENT;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
We consider problems of two-user secret key generation through an intermediate relay. In the untrusted relay setting, the goal is to establish key agreement between the two users at the highest key rate without leaking information about the key to the relay. We characterize inner and outer bounds to the optimal tradeoff between communication and key rates. The inner bound is based on the scheme which involves a combination of binning, network coding, and key aggregation techniques. For the trusted relay setting with a public broadcast link, the optimal communication-key rate tradeoff is provided for a special case where the two sources are available losslessly at the relay.
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页数：5
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