Search Word(s) in Title, Keywords, Authors, and Abstract: Cloud Storage

A Secure Cloud Computing System by Using Encryption and Access Control Model
Ghassan Sabeeh Mahmood, Dong Jun Huang and Baidaa Abdulrahman Jaleel
Page: 538~549, Vol. 15, No.3, 2019
10.3745/JIPS.03.0117
Keywords: Access Control, Cloud Storage, Encryption, Security
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Cloud computing is the concept of providing information technology services on the Internet, such as software, hardware, networking, and storage. These services can be accessed anywhere at any time on a pay-per-use basis. However, storing data on servers is a challenging aspect of cloud computing. This paper utilizes cryptography and access control to ensure the confidentiality, integrity, and proper control of access to sensitive data. We propose a model that can protect data in cloud computing. Our model is designed by using an enhanced RSA encryption algorithm and a combination of role-based access control model with extensible access control markup language (XACML) to facilitate security and allow data access. This paper proposes a model that uses cryptography concepts to store data in cloud computing and allows data access through the access control model with minimum time and cost for encryption and decryption.


A Secure Index Management Scheme for Providing Data Sharing in Cloud Storage
Sun-Ho Lee and Im-Yeong Lee
Page: 287~300, Vol. 9, No.2, 2013
10.3745/JIPS.2013.9.2.287
Keywords: Searchable Encryption, Proxy Re-Encryption, Index Management, Cloud Computing, Cloud Storage
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Cloud storage is provided as a service in order to keep pace with the increasing use of digital information. It can be used to store data via networks and various devices and is easy to access. Unlike existing removable storage, many users can use cloud storage because it has no storage capacity limit and does not require a storage medium. Cloud storage reliability has become a topic of importance, as many users employ it for saving great volumes of data. For protection against unethical administrators and attackers, a variety of cryptography systems, such as searchable encryption and proxy re-encryption, are being applied to cloud storage systems. However, the existing searchable encryption technology is inconvenient to use in a cloud storage environment where users upload their data. This is because this data is shared with others, as necessary, and the users with whom the data is shared change frequently. In this paper, we propose a searchable re-encryption scheme in which a user can safely share data with others by generating a searchable encryption index and then re-encrypt it.