Research On Security Of Distributed Storage Network Based On Ethereum And IPFS Encryption Algorithm

Internet technology is constantly updating and iterating,the centralized system has not met the current growing data demand.Therefore,distributed storage network systems have emerged.However,there are many problems in the implementation of distributed storage network systems,such as multiple data storage backups,low transmission security of data,lack of reliable data transmission records and fine-grained control over data.Safety issues are one of the main reasons for hinder the system being largely applied.To solve the above problem,this paper studies the security of distributed storage network from three aspects of security,reliability and practicability based on Ethereum and IPFS encryption algorithm.The contributions of this paper are as follows.This paper proposes a method of combining IPFS and Ethereum to realize a distributed data transmission and storage scheme,in which the attribute-based encryption algorithm of the distributed storage network is improved,and access control is enhanced by introducing a multi-party authorization access strategy.Among them,IPFS is used for data storage,and Ethereum is used for data calculation and recording.The experimental results show that the distributed storage network security research proposed in this paper can enhance the security and reliability of the system and the fine-grained access control of data.In order to get rid of the dilemma of low information transmission security in the distributed storage network,this paper proposes a verifiable CP-ABE algorithm improvement scheme based on composite order bilinear groups.AES algorithm and CP-ABE algorithm borrow a third party to implement re-encryption and access control.Experiments show that under the premise of ensuring system performance,it enhances the data access control and security level in the system.To solve the weak control problem of data access in distributed networks,this paper proposes a multi-party authorization access control scheme based on Ethereum and IPFS,in which smart contracts implement multi-party authorization to enhance access control to data,and proxy re-encryption algorithms provide secure access to data.Third-party server clusters provide proxy services,and the credit evaluation system ensures the continuous availability of the server.Experiments show that this scheme can effectively improve the safety and practicability of the system under the premise of controlling costs.This paper makes a systematic study on data transmission security and access authority control issues,and improves the data encryption algorithm.At the same time,it proposes a multiple authorization access control method based on Ethereum and IPFS to effectively improve system security access control and data transmission security.Experiments show that this method is practical and safe,and has little impact on performance.