A Reliable Cloud Communication System Using Attribute-Based Cryptography

This is the authors' abstract. We don't add key points for this paper.

Cloud communication systems are increasingly being used to store and exchange sensitive information. However, ensuring the confidentiality and integrity of data in the cloud remains a significant challenge. Attribute-based cryptography (ABC) has emerged as a promising solution for secure cloud communication. It allows data to be encrypted and accessed based on a set of user-defined attributes. This paper proposes a reliable cloud communication system that leverages attribute-based cryptography to provide secure and efficient data storage and retrieval. The proposed system employs a hybrid encryption scheme, combining symmetric and attribute-based encryption, to achieve both efficiency and security. Data is first encrypted using symmetric encryption, ensuring fast and secure transmission to the cloud. Then, the symmetric key is encrypted using attribute-based encryption, which enables fine-grained access control and allows only authorized users with specific attributes to decrypt the data. To enhance the reliability and availability of the system, data is replicated across multiple cloud servers using erasure coding. This redundancy ensures data durability and enables efficient data recovery in case of server failures or data corruption. Additionally, the system incorporates secure data deduplication techniques to optimize storage utilization and reduce network bandwidth consumption.