Reducing elliptic curve logarithms to logarithms in a finite field
STOC '91 Proceedings of the twenty-third annual ACM symposium on Theory of computing
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Handbook of Applied Cryptography
Handbook of Applied Cryptography
The LSD Broadcast Encryption Scheme
CRYPTO '02 Proceedings of the 22nd Annual International Cryptology Conference on Advances in Cryptology
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
Collusion-Secure Fingerprinting for Digital Data (Extended Abstract)
CRYPTO '95 Proceedings of the 15th Annual International Cryptology Conference on Advances in Cryptology
Efficient Trace and Revoke Schemes
FC '00 Proceedings of the 4th International Conference on Financial Cryptography
The Weil and Tate Pairings as Building Blocks for Public Key Cryptosystems
ANTS-V Proceedings of the 5th International Symposium on Algorithmic Number Theory
A fully collusion resistant broadcast, trace, and revoke system
Proceedings of the 13th ACM conference on Computer and communications security
Optimal probabilistic fingerprint codes
Journal of the ACM (JACM)
Collusion resistant broadcast encryption with short ciphertexts and private keys
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
Hierarchical identity based encryption with constant size ciphertext
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Fully collusion resistant traitor tracing with short ciphertexts and private keys
EUROCRYPT'06 Proceedings of the 24th annual international conference on The Theory and Applications of Cryptographic Techniques
The Tate pairing and the discrete logarithm applied to elliptic curve cryptosystems
IEEE Transactions on Information Theory
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Trace and revoke systems are motivated by content protection on various platforms such as DVD players, satellite radio receivers and PCs, which provide both broadcast encryption and traitor tracing mechanisms. So far, the best existing system requires ciphertext size sub-linear in the number of users. In communications, as system scale increases, it brings up a high bandwidth requirement which cannot be satisfied by current network condition. In this paper, we present a new fully collusion resistant trace and revoke system which has only constant size ciphertexts. The system is CPA secure against static adversaries with public broadcast key and secret tracing key. It can be efficiently applied in DRM fields where network bandwidth is limited.