Advanced SHA256-AES Hybrid Algorithm for Enhanced Data Confidentiality and Integrity in Cloud Data Security

Abstract

Clouds are also in need for solid security, which helps to safeguard sensitive data and maintain the confidentiality and integrity of it. Literature survey reveals that the use of classical and standard cryptographic techniques such as hybrid scheme consisting of RSA–AES, DH–AES, and Blowfish–AES has certain limitations in terms of speed, scalability and efficiency for huge cloud datasets. In order to solve those difficulties, this paper suggests the Advanced SHA256 – AES Hybrid Encryption Algorithm that uses SHA256 for ensuring record reliability and using AES algorithm for securing confidentiality. The method is tested on real datasets, including financial transactions, smart-home device logs and user behavior patterns. Experimental results reveal that the proposed SHA256–AES model has significantly superior performance in terms of encryption and decryption speed, and throughput over other hybrids. The architecture is represented by UMLs, flowcharts, use cases, DFDs and ER models. Its only downside is that it creates a strong and efficient solution for contemporary cloud data security.