An Optimal Algorithm for Assigning Cryptographic Keys to Control Access in a Hierarchy
IEEE Transactions on Computers
On some cryptographic solutions for access control in a tree hierarchy
ACM '87 Proceedings of the 1987 Fall Joint Computer Conference on Exploring technology: today and tomorrow
Cryptographic implementation of a tree hierarchy for access control
Information Processing Letters
Role-Based Access Control Models
Computer
Diffie-Hellman key distribution extended to group communication
CCS '96 Proceedings of the 3rd ACM conference on Computer and communications security
Iolus: a framework for scalable secure multicasting
SIGCOMM '97 Proceedings of the ACM SIGCOMM '97 conference on Applications, technologies, architectures, and protocols for computer communication
The ARBAC97 model for role-based administration of roles: preliminary description and outline
RBAC '97 Proceedings of the second ACM workshop on Role-based access control
Secure group communications using key graphs
Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
Formal specification for role based access control user/role and role/role relationship management
RBAC '98 Proceedings of the third ACM workshop on Role-based access control
Communication complexity of group key distribution
CCS '98 Proceedings of the 5th ACM conference on Computer and communications security
The role graph model and conflict of interest
ACM Transactions on Information and System Security (TISSEC) - Special issue on role-based access control
The ARBAC97 model for role-based administration of roles
ACM Transactions on Information and System Security (TISSEC) - Special issue on role-based access control
Simple and fault-tolerant key agreement for dynamic collaborative groups
Proceedings of the 7th ACM conference on Computer and communications security
Cryptographic solution to a problem of access control in a hierarchy
ACM Transactions on Computer Systems (TOCS)
A cryptographic solution to implement access control in a hierarchy and more
SACMAT '02 Proceedings of the seventh ACM symposium on Access control models and technologies
Cryptography and Network Security: Principles and Practice
Cryptography and Network Security: Principles and Practice
On Key Agreement and Conference Key Agreement
ACISP '97 Proceedings of the Second Australasian Conference on Information Security and Privacy
Chinese Remainder Theorem Based Hierarchical Access Control for Secure Group Communication
ICICS '01 Proceedings of the Third International Conference on Information and Communications Security
Hydra: A Decentralised Group Key Management
WETICE '02 Proceedings of the 11th IEEE International Workshops on Enabling Technologies: nfrastructure for Collaborative Enterprises
MARKS: Zero Side Effect Multicast Key Management Using Arbitrarily Revealed Key Sequences
NGC '99 Proceedings of the First International COST264 Workshop on Networked Group Communication
Sibling Intractable Function Families and Their Applications (Extended Abstract)
ASIACRYPT '91 Proceedings of the International Conference on the Theory and Applications of Cryptology: Advances in Cryptology
The RRA97 Model for Role-Based Administration of Role Hierarchies
ACSAC '98 Proceedings of the 14th Annual Computer Security Applications Conference
New Key Generation Algorithms for Multilevel Security
SP '83 Proceedings of the 1983 IEEE Symposium on Security and Privacy
Kronos: A Scalable Group Re-Keying Approach for Secure Multicast
SP '00 Proceedings of the 2000 IEEE Symposium on Security and Privacy
ELK, a New Protocol for Efficient Large-Group Key Distribution
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
A survey of key management for secure group communication
ACM Computing Surveys (CSUR)
Hierarchical key management scheme using polynomial interpolation
ACM SIGOPS Operating Systems Review
Secure Group Communication Based Scheme for Differential Access Control in Dynamic Environments
ICPADS '05 Proceedings of the 11th International Conference on Parallel and Distributed Systems - Workshops - Volume 02
The Design of a Cryptography Based Secure File System
IEEE Transactions on Software Engineering
Scalable secure one-to-many group communication using dual encryption
Computer Communications
The VersaKey framework: versatile group key management
IEEE Journal on Selected Areas in Communications
Group Key Management: From a Non-hierarchical to a Hierarchical Structure
INDOCRYPT '08 Proceedings of the 9th International Conference on Cryptology in India: Progress in Cryptology
Key hierarchies for hierarchical access control in secure group communications
Computer Networks: The International Journal of Computer and Telecommunications Networking
A key management protocol with robust continuity for sensor networks
Computer Standards & Interfaces
Cryptography based access control in healthcare web systems
2010 Information Security Curriculum Development Conference
An efficient key management scheme for content access control for linear hierarchies
Computer Networks: The International Journal of Computer and Telecommunications Networking
Mobile Agent Application and Integration in Electronic Anamnesis System
Journal of Medical Systems
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The need for content access control in hierarchies (CACH) appears naturally in all contexts where a set of users have different access rights to a set of resources. The hierarchy is defined using the access rights. The different resources are encrypted using different keys. Key management is a critical issue for scalable content access control. In this paper, we study the problem of key management for CACH. We present main existing access control models, and show why these models are not suitable to the CACH applications, and why they are not implemented in the existing key management schemes. Furthermore, we classify these key management schemes into two approaches, and construct an access control model for each approach. The proposed access control models are then used to describe the schemes in a uniform and coherent way. A final contribution of our work consists of a classification of the CACH applications, a comparison of the key management schemes, and a study of the suitability of the existing schemes to the CACH applications with respect to some analytical measurements.