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中文摘要：
双系统密码技术下的身份型广播加密方案具有在标准模型下,尺寸固定的短密文和密钥,无须随机标签和全安全等特点。研究发现该方案是不安全的,进而提出了一种改进方案,并在标准模型下运用双系统密码技术给出了改进方案的安全性证明。
英文摘要：
Identity-based broadcast encryption scheme using new techniques for dual system encryption,claimed the scheme could achieve full security and constant-size key and ciphertext in the standard model without tags.However,this paper showed that the proposal was not secure.Furthermore,this paper improved the scheme to be a secure one and proved its security in the standard model by using dual system encryption.
同期刊论文项目
同项目期刊论文
CCA secure publicly verifiable public key encryption without pairings nor random oracle and its appl
New Construction of PVPKE Scheme and Its Application in Information Systems and Mobile Communication
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