Yafang Yang;Lei Zhang;Yunlei Zhao;Kim-Kwang Raymond Choo;Yan Zhang
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引用次数: 0
Abstract
Lin recently claimed that the privacy-preserving aggregation authentication scheme (PPAAS) based on a certificateless aggregation signcryption scheme (CASS) proposed in our paper (IEEE Transactions on Information Forensics and Security, vol.17, pp.317-331, Jan.2022) suffers from a forgery attack from type II adversary. In this paper, we show that this attack is not valid since the adversary outputs a trivial forged ciphertext. Specifically, the adversary has the master secret key and randomly selects the secret values of all users.
Lin最近声称,在我们的论文(IEEE Transactions on Information Forensics and Security, vol.17, pp.317-331, Jan.2022)中提出的基于无证书聚合签名加密方案(CASS)的隐私保护聚合认证方案(PPAAS)遭受了II类对手的伪造攻击。在本文中,我们证明了这种攻击是无效的,因为对手输出了一个微不足道的伪造密文。具体来说,攻击者拥有主秘钥并随机选择所有用户的秘钥值。
期刊介绍:
The IEEE Transactions on Information Forensics and Security covers the sciences, technologies, and applications relating to information forensics, information security, biometrics, surveillance and systems applications that incorporate these features