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首页> 外文期刊>Automatic Control and Computer Sciences >Security Protection of System Sharing Data with Improved CP-ABE Encryption Algorithm under Cloud Computing Environment
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Security Protection of System Sharing Data with Improved CP-ABE Encryption Algorithm under Cloud Computing Environment

机译：系统共享数据的安全保护，并在云计算环境下改进的CP-ABE加密算法

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摘要

As the scale of cloud computing expands gradually, the security of data sharing in cloud computing environment is facing more and more challenges. In this study, an improved, efficient data encryption method was proposed, which was based on ciphertext policy attribute-based encryption and controlled time cost using fixed-length ciphertext. The generation and aggregation of public and private keys and the encryption and decryption of data were introduced. Then simulation experiments were carried out in the cloud computing environment. Compared with the traditional ciphertext-policy attribute-based encryption (CP-ABE) algorithm, the improved algorithm had better performance in dealing with massive data and multi-user attributes although the steps increased. The comparison with other improved algorithms suggested that the improved algorithm put forward in this study had a high reliability, which indicated a good practicability of the improved algorithm in safe data sharing under cloud computing environment.
机译：随着云计算的规模逐渐扩展，云计算环境中的数据共享的安全性面临越来越多的挑战。在本研究中，提出了一种改进的有效的数据加密方法，其基于基于密文策略属性的加密和受控时间成本，使用固定长度密文。介绍了公共和私钥的生成和聚合以及数据的加密和解密。然后在云计算环境中进行仿真实验。与传统的密文 - 策略属性的加密（CP-ABE）算法相比，改进的算法在处理大规模数据和多用户属性时具有更好的性能，尽管步骤增加。与其他改进算法的比较表明，本研究提出的改进算法具有高可靠性，这表明了在云计算环境下安全数据共享中的改进算法的良好实用性。

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