Identity-based cryptosystems and signature schemes
Proceedings of CRYPTO 84 on Advances in cryptology
Proactive public key and signature systems
Proceedings of the 4th ACM conference on Computer and communications security
Robust threshold DSS signatures
Information and Computation
Proactive Secret Sharing Or: How to Cope With Perpetual Leakage
CRYPTO '95 Proceedings of the 15th Annual International Cryptology Conference on Advances in Cryptology
A Simplified Approach to Threshold and Proactive RSA
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
Optimal-resilience proactive public-key cryptosystems
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
Attribute-based encryption for fine-grained access control of encrypted data
Proceedings of the 13th ACM conference on Computer and communications security
Secure attribute-based systems
Proceedings of the 13th ACM conference on Computer and communications security
Security weakness in a three-party pairing-based protocol for password authenticated key exchange
Information Sciences: an International Journal
Secure Distributed Key Generation for Discrete-Log Based Cryptosystems
Journal of Cryptology
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 novel ID-based designated verifier signature scheme
Information Sciences: an International Journal
An improved identity-based key agreement protocol and its security proof
Information Sciences: an International Journal
A secure identity-based proxy multi-signature scheme
Information Sciences: an International Journal
A forward-secure e-mail protocol without certificated public keys
Information Sciences: an International Journal
Robust threshold DSS signatures
EUROCRYPT'96 Proceedings of the 15th annual international conference on Theory and application of cryptographic techniques
Multi-authority attribute based encryption
TCC'07 Proceedings of the 4th conference on Theory of cryptography
Fuzzy identity-based encryption
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
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An attribute based encryption scheme (ABE) is a cryptographic primitive in which every user is identified by a set of attributes, and some function of these attributes is used to determine the ability to decrypt each ciphertext. Chase proposed the first multi authority ABE scheme which requires a fully trusted central authority who has the ability to decrypt each ciphertext in the system. This central authority would endanger the whole system if it is corrupted. This paper provides a threshold multi authority fuzzy identity based encryption (MA-FIBE) scheme without a central authority for the first time. An encrypter can encrypt a message such that a user could only decrypt if he has at least d"k of the given attributes about the message for at least t+1,t=