Secure and Private Distribution of Online Video and Some Related Cryptographic Issues
ACISP '01 Proceedings of the 6th Australasian Conference on Information Security and Privacy
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
Traitor Tracing with Constant Transmission Rate
EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
Proceedings of the First International Workshop on Information Hiding
On Crafty Pirates and Foxy Tracers
DRM '01 Revised Papers from the ACM CCS-8 Workshop on Security and Privacy in Digital Rights Management
Optimal probabilistic fingerprint codes
Proceedings of the thirty-fifth annual ACM symposium on Theory of computing
A fully collusion resistant broadcast, trace, and revoke system
Proceedings of the 13th ACM conference on Computer and communications security
Generic construction of hybrid public key traitor tracing with full-public-traceability
ICALP'06 Proceedings of the 33rd international conference on Automata, Languages and Programming - Volume Part II
Public traceability in traitor tracing schemes
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
Collusion-secure fingerprinting for digital data
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Tracing stateful pirate decoders
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
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In this paper, we present a forgery attack to a black-box traitor tracing scheme [2] called as CPP scheme. CPP scheme has efficient transmission rate and allows the tracer to identify a traitor with just one invalid ciphertext. Since the original CPP scheme is vulnerable to the multi-key attack, we improved CPP to thwart the attack. However, CPP is vulnerable to a fatal forgery attack. In the forgery attack, two traitors can collude to forge all valid decryption keys. The forged keys appear as perfect genuine keys, can decrypt all protected content, but are untraceable by the tracer. Fortunately, we can patch this weakness with increasing the decoder storage.