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本文提出一种适合认知无线电网络的安全认证方案,在基于信任机制与REM系统的基础上采用隐藏认证方案提高了抵抗伪造节点攻击与暴力破解攻击的能力。在信任机制中,本文设计了评判参数与信任向量公式,公式的结果代表了各个节点的信任等级。如果信任等级评估过低将启动隐藏认证方案,此方案中将认证信息随机嵌入到冗余信息中,如果没有时间戳生成器将无法知道信息隐藏的位置与具体内容,因此解决了伪造节点攻击、暴力破解攻击与密钥泄露攻击。
This paper presents a security certification scheme suitable for cognitive radio networks. Based on the trust mechanism and the REM system, a hidden authentication scheme is adopted to improve the ability to resist forgery attacks and brute force attacks. In the trust mechanism, this paper designs the evaluation parameters and trust vector formula, the result of the formula represents the trust level of each node. If the trust level evaluation is too low, a hidden authentication scheme is started. In this scheme, the authentication information is randomly embedded in redundant information. If no time stamp generator can not know the location and specific content of information hiding, the counterfeit node attack is solved, Brute force attack and key compromise.