带TTP权重的多所有者RFID标签所有权动态转换协议
RFID tag dynamic ownership transfer protocol of multi-owner with TTP weight
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摘要: 针对目前RFID标签所有权转换协议大多数不具备原所有者无关性和存在安全隐私问题的现状,基于拉格朗日多项式插值算法提出了一种带可信第三方(TTP)权重的多所有者RFID标签所有权动态转换协议.该协议中,新所有者通过购买的方式,从原所有者那里获得原始子密钥和权重,协议分别通过恢复原始密钥和TTP来验证原所有者和新所有者的合法性,并且利用秘密共享方案根据新所有者的权重来分发子密钥.仿真分析结果表明,该协议可明显提高所有权转换的安全性,其计算量和耗时均在可接受的范围之内,适用于低成本标签.
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关键词:
- 所有权转换 /
- 多所有者 /
- 可信第三方 /
- 拉格朗日插值多项式算法 /
- 秘密共享
Abstract: As most ownership transfer protocols of RFID tags were subject to no independence of the original owner and security privacy issues,the RFID tags ownership dynamic transfer protocol of multi-owner with trusted third party (TTP) weights was proposed based on Lagrange polynomial interpolation algorithm.In the protocol,the new owner would obtain the original subkey and weight from the original owner in the way of purchasing,the legality of the original owner and the new owner were verified by recovering the original key and TTP,and the subkey was distributed according to the weight of the new owner by using the secrete sharing scheme.The simulation result showed that the protocol significantly improved the security of ownership transfer,and the calculation quantity and time-consuming were within the acceptable scope,which was applicable to the low cost tag. -
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