Identity-based cryptosystems and signature schemes
Proceedings of CRYPTO 84 on Advances in cryptology
The Parallel Evaluation of General Arithmetic Expressions
Journal of the ACM (JACM)
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
An Identity Based Encryption Scheme Based on Quadratic Residues
Proceedings of the 8th IMA International Conference on Cryptography and Coding
Attribute-based encryption for fine-grained access control of encrypted data
Proceedings of the 13th ACM conference on Computer and communications security
Ciphertext-Policy Attribute-Based Encryption
SP '07 Proceedings of the 2007 IEEE Symposium on Security and Privacy
Attribute-based encryption with non-monotonic access structures
Proceedings of the 14th ACM conference on Computer and communications security
Provably secure ciphertext policy ABE
Proceedings of the 14th ACM conference on Computer and communications security
A forward-secure public-key encryption scheme
EUROCRYPT'03 Proceedings of the 22nd international conference on Theory and applications of cryptographic techniques
Fuzzy identity-based encryption
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
A Fuzzy ID-Based Encryption Efficient When Error Rate Is Low
INDOCRYPT '08 Proceedings of the 9th International Conference on Cryptology in India: Progress in Cryptology
Distributed Attribute-Based Encryption
Information Security and Cryptology --- ICISC 2008
Efficient and Provable Secure Ciphertext-Policy Attribute-Based Encryption Schemes
ISPEC '09 Proceedings of the 5th International Conference on Information Security Practice and Experience
A Ciphertext-Policy Attribute-Based Encryption Scheme with Constant Ciphertext Length
ISPEC '09 Proceedings of the 5th International Conference on Information Security Practice and Experience
Dual-Policy Attribute Based Encryption
ACNS '09 Proceedings of the 7th International Conference on Applied Cryptography and Network Security
Privacy-Aware Attribute-Based Encryption with User Accountability
ISC '09 Proceedings of the 12th International Conference on Information Security
Conjunctive Broadcast and Attribute-Based Encryption
Pairing '09 Proceedings of the 3rd International Conference Palo Alto on Pairing-Based Cryptography
Attribute-Based Encryption Supporting Direct/Indirect Revocation Modes
Cryptography and Coding '09 Proceedings of the 12th IMA International Conference on Cryptography and Coding
Worry-free encryption: functional encryption with public keys
Proceedings of the 17th ACM conference on Computer and communications security
Proceedings of the tenth annual ACM workshop on Digital rights management
Attribute-based authenticated key exchange
ACISP'10 Proceedings of the 15th Australasian conference on Information security and privacy
Ciphertext policy attribute-based proxy re-encryption
ICICS'10 Proceedings of the 12th international conference on Information and communications security
PKC'11 Proceedings of the 14th international conference on Practice and theory in public key cryptography conference on Public key cryptography
Generic constructions for chosen-ciphertext secure attribute based encryption
PKC'11 Proceedings of the 14th international conference on Practice and theory in public key cryptography conference on Public key cryptography
Expressive key-policy attribute-based encryption with constant-size ciphertexts
PKC'11 Proceedings of the 14th international conference on Practice and theory in public key cryptography conference on Public key cryptography
Fully secure accountable-authority identity-based encryption
PKC'11 Proceedings of the 14th international conference on Practice and theory in public key cryptography conference on Public key cryptography
Achieving leakage resilience through dual system encryption
TCC'11 Proceedings of the 8th conference on Theory of cryptography
Functional encryption: definitions and challenges
TCC'11 Proceedings of the 8th conference on Theory of cryptography
Unbounded HIBE and attribute-based encryption
EUROCRYPT'11 Proceedings of the 30th Annual international conference on Theory and applications of cryptographic techniques: advances in cryptology
Decentralizing attribute-based encryption
EUROCRYPT'11 Proceedings of the 30th Annual international conference on Theory and applications of cryptographic techniques: advances in cryptology
Fully secure cipertext-policy hiding CP-ABE
ISPEC'11 Proceedings of the 7th international conference on Information security practice and experience
Outsourcing the decryption of ABE ciphertexts
SEC'11 Proceedings of the 20th USENIX conference on Security
Attribute based signatures for bounded multi-level threshold circuits
EuroPKI'10 Proceedings of the 7th European conference on Public key infrastructures, services and applications
Fully secure multi-authority ciphertext-policy attribute-based encryption without random oracles
ESORICS'11 Proceedings of the 16th European conference on Research in computer security
ProvSec'11 Proceedings of the 5th international conference on Provable security
Enhancing Attribute-Based Encryption with Attribute Hierarchy
Mobile Networks and Applications
Private search in the real world
Proceedings of the 27th Annual Computer Security Applications Conference
Comparison-based encryption for fine-grained access control in clouds
Proceedings of the second ACM conference on Data and Application Security and Privacy
Attribute-based encryption schemes with constant-size ciphertexts
Theoretical Computer Science
Dynamic attribute-based signcryption without random oracles
International Journal of Applied Cryptography
Attribute-based encryption without key cloning
International Journal of Applied Cryptography
Constant size ciphertexts in threshold attribute-based encryption
PKC'10 Proceedings of the 13th international conference on Practice and Theory in Public Key Cryptography
EUROCRYPT'10 Proceedings of the 29th Annual international conference on Theory and Applications of Cryptographic Techniques
Dynamic attribute-based signcryption without random oracles
International Journal of Applied Cryptography
Attribute-based encryption without key cloning
International Journal of Applied Cryptography
Functional encryption for inner product predicates from learning with errors
ASIACRYPT'11 Proceedings of the 17th international conference on The Theory and Application of Cryptology and Information Security
IMACC'11 Proceedings of the 13th IMA international conference on Cryptography and Coding
Hidden access structure ciphertext policy attribute based encryption with constant length ciphertext
ADCONS'11 Proceedings of the 2011 international conference on Advanced Computing, Networking and Security
Property preserving symmetric encryption
EUROCRYPT'12 Proceedings of the 31st Annual international conference on Theory and Applications of Cryptographic Techniques
Fine-grained user access control in ciphertext-policy attribute-based encryption
Security and Communication Networks
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
Dependable and secure computing in medical information systems
Computer Communications
Efficient fully secure attribute-based encryption schemes for general access structures
ProvSec'12 Proceedings of the 6th international conference on Provable Security
Strongly secure attribute-based authenticated key exchange with traceability
WISM'12 Proceedings of the 2012 international conference on Web Information Systems and Mining
A general construction for multi-authority attribute-based encryption
AICI'12 Proceedings of the 4th international conference on Artificial Intelligence and Computational Intelligence
A ciphertext policy attribute-based encryption scheme without pairings
Inscrypt'11 Proceedings of the 7th international conference on Information Security and Cryptology
Efficient ciphertext-policy attribute based encryption with hidden policy
IDCS'12 Proceedings of the 5th international conference on Internet and Distributed Computing Systems
A general transformation from KP-ABE to searchable encryption
CSS'12 Proceedings of the 4th international conference on Cyberspace Safety and Security
Fully secure hidden vector encryption under standard assumptions
Information Sciences: an International Journal
Signatures of correct computation
TCC'13 Proceedings of the 10th theory of cryptography conference on Theory of Cryptography
Anonymous attribute-based encryption supporting efficient decryption test
Proceedings of the 8th ACM SIGSAC symposium on Information, computer and communications security
Reusable garbled circuits and succinct functional encryption
Proceedings of the forty-fifth annual ACM symposium on Theory of computing
Practical constructions and new proof methods for large universe attribute-based encryption
Proceedings of the 2013 ACM SIGSAC conference on Computer & communications security
Proceedings of the 2013 ACM SIGSAC conference on Computer & communications security
An efficient attribute-based signature scheme with claim-predicate mechanism
International Journal of Grid and Utility Computing
A general transformation from KP-ABE to searchable encryption
Future Generation Computer Systems
Towards a cryptographic treatment of publish/subscribe systems
Journal of Computer Security
Secure Data Retrieval for Decentralized Disruption-Tolerant Military Networks
IEEE/ACM Transactions on Networking (TON)
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In a ciphertext policy attribute based encryption system, a user's private key is associated with a set of attributes (describing the user) and an encrypted ciphertext will specify an access policy over attributes. A user will be able to decrypt if and only if his attributes satisfy the ciphertext's policy.In this work, we present the first construction of a ciphertext-policy attribute based encryption scheme having a security proof based on a number theoretic assumption and supporting advanced access structures. Previous CP-ABE systems could either support only very limited access structures or had a proof of security only in the generic group model. Our construction can support access structures which can be represented by a bounded size access tree with threshold gates as its nodes. The bound on the size of the access trees is chosen at the time of the system setup. Our security proof is based on the standard Decisional Bilinear Diffie-Hellman assumption.