云计算平台下的数据起源安全方案

Secure data provenance scheme based on cloud computing

讨论了云计算平台下的起源系统的安全,依据这些安全问题提出新的数据起源安全方案.利用数字签名为起源数据提供不可伪造性保障;用会话密钥加密修改日志,并用门限加密方案对会话密钥加密,将信任分布化,提供机密性保障.

In this paper,we discuss the security of the provenance system based on cloud computing system,and propose a new data provenance security scheme.We use the digital signature to ensure the unforgeability.In order to distribute the trust and provide confidentiality,we use the session key to encrypt modified log and use threshold encryption scheme to encrypt the session key.