- 期刊
A New Security Cloud Storage Data Encryption Scheme Based on Identity Proxy Re-encryption
摘要
In the process of cloud data storage, data owner will encrypt data and upload it to the cloud, however, this method cannot support for encrypted data sharing. Especially, when data is shared with many users, the scalability is very weak. In order to solve this problem, we put forward a new security cloud storage data encryption scheme based on identity proxy re-encryption in this article. This scheme can flexibility share data with other users security without fully trusted cloud. For the de- tailed structure, we use a strong unforgeable signature scheme to make the transmuted ciphertext have publicly verification combined identity-based encryption. Further- more, the transformed ciphertext has chosen-ciphertext security under the standard model. Because this new scheme can support fine-grained access control without using public key certificate and has better extensibility, so this scheme can be better applied into security cloud data sharing.
延伸閱讀
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