Identity-based cryptosystems and signature schemes
Proceedings of CRYPTO 84 on Advances in cryptology
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Journal of Computer Security
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
Speeding Up Secret Computations with Insecure Auxiliary Devices
CRYPTO '88 Proceedings of the 8th Annual International Cryptology Conference on Advances in Cryptology
Hierarchical ID-Based Cryptography
ASIACRYPT '02 Proceedings of the 8th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
A One Round Protocol for Tripartite Diffie-Hellman
ANTS-IV Proceedings of the 4th International Symposium on Algorithmic Number Theory
Defining Authorization Domains Using Virtual Devices
SAINT-W '03 Proceedings of the 2003 Symposium on Applications and the Internet Workshops (SAINT'03 Workshops)
Identity-Based Online/Offline Encryption
Financial Cryptography and Data Security
Server-Aided Verification Signatures: Definitions and New Constructions
ProvSec '08 Proceedings of the 2nd International Conference on Provable Security
Generalized Identity Based and Broadcast Encryption Schemes
ASIACRYPT '08 Proceedings of the 14th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Adaptive Security in Broadcast Encryption Systems (with Short Ciphertexts)
EUROCRYPT '09 Proceedings of the 28th Annual International Conference on Advances in Cryptology: the Theory and Applications of Cryptographic Techniques
An Efficient Identity-Based Online/Offline Encryption Scheme
ACNS '09 Proceedings of the 7th International Conference on Applied Cryptography and Network Security
IWSEC'07 Proceedings of the Security 2nd international conference on Advances in information and computer security
Identity-based broadcast encryption with constant size ciphertexts and private keys
ASIACRYPT'07 Proceedings of the Advances in Crypotology 13th international conference on Theory and application of cryptology and information security
Anonymous Multireceiver Identity-Based Encryption
IEEE Transactions on Computers
Server-aided signatures verification secure against collusion attack
Proceedings of the 6th ACM Symposium on Information, Computer and Communications Security
Identity-based server-aided decryption
ACISP'11 Proceedings of the 16th Australasian conference on Information security and privacy
Server-Aided verification: theory and practice
ASIACRYPT'05 Proceedings of the 11th international conference on Theory and Application of Cryptology and Information Security
Efficient Selective Identity-Based Encryption Without Random Oracles
Journal of Cryptology
Improved efficiency for CCA-secure cryptosystems built using identity-based encryption
CT-RSA'05 Proceedings of the 2005 international conference on Topics in Cryptology
Collusion resistant broadcast encryption with short ciphertexts and private keys
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
Privacy in encrypted content distribution using private broadcast encryption
FC'06 Proceedings of the 10th international conference on Financial Cryptography and Data Security
Secure delegation of elliptic-curve pairing
CARDIS'10 Proceedings of the 9th IFIP WG 8.8/11.2 international conference on Smart Card Research and Advanced Application
Privacy-preserving identity-based broadcast encryption
Information Fusion
Outsider-Anonymous broadcast encryption with sublinear ciphertexts
PKC'12 Proceedings of the 15th international conference on Practice and Theory in Public Key Cryptography
Pairing'07 Proceedings of the First international conference on Pairing-Based Cryptography
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A broadcast encryption scheme enables a broadcaster to send an encrypted message to the multiple privileged users. In identity-based broadcast encryption schemes, a broadcaster typically encrypts a message by combining public identities of receivers and system parameters, which therefore reveals identities of receivers to the public and raised a concern on user privacy. On the other hand, identity-based systems generally require pairing computations which are computationally costly. It would be desirable if pairing computations could be avoided in resource constrained devices. The aim of this paper is to provide the solutions to these problems by introducing a new concept called server-aided identity-based anonymous broadcast encryption. We formalise the notion of server-aided identity-based anonymous broadcast encryption and present a construction in the random oracle model based on pairings that achieve anonymity under adaptive corruptions in the chosen-plaintext setting. Comparing with other broadcast encryption schemes, our scheme requires less computation cost for encryption and decryption while preserving receiver's privacy.