CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
Combinatorial Properties and Constructions of Traceability Schemes and Frameproof Codes
SIAM Journal on Discrete Mathematics
Short 3-Secure Fingerprinting Codes for Copyright Protection
ACISP '02 Proceedings of the 7th Australian Conference on Information Security and Privacy
Key Preassigned Traceability Schemes for Broadcast Encryption
SAC '98 Proceedings of the Selected Areas in Cryptography
An Efficient Public Key Traitor Tracing Scheme
CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
Self Protecting Pirates and Black-Box Traitor Tracing
CRYPTO '01 Proceedings of the 21st 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
Collusion Secure q-ary Fingerprinting for Perceptual Content
DRM '01 Revised Papers from the ACM CCS-8 Workshop on Security and Privacy in Digital Rights Management
Collusion-secure fingerprinting for digital data
IEEE Transactions on Information Theory
Combinatorial properties of frameproof and traceability codes
IEEE Transactions on Information Theory
Building efficient and effective multimedia fingerprints via joint coding and embedding
MM&Sec '05 Proceedings of the 7th workshop on Multimedia and security
An Error-Tolerant Variant of a Short 2-Secure Fingerprint Code and Its Security Evaluation
IWSEC '09 Proceedings of the 4th International Workshop on Security: Advances in Information and Computer Security
ICITS'09 Proceedings of the 4th international conference on Information theoretic security
Performance study on multimedia fingerprinting employing traceability codes
IWDW'05 Proceedings of the 4th international conference on Digital Watermarking
Key management for multicast fingerprinting
ICISS'05 Proceedings of the First international conference on Information Systems Security
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Collusion secure fingerprinting is used to protect against illegal redistribution of digital documents. Fingerprints are embedded in documents to identify different copies. A group of colluders having access to multiple copies with different fingerprints may construct a pirate object with a fingerprint that cannot be traced. We consider c-secure codes with 驴 error that allow one of the c possible colluders to be traced and the chance of incorrect tracing to be at most 驴. We consider a two layer construction consisting of an inner code and an outer structure and give new constructions for each. Important properties of our new inner code is that innocent users will never be accused and the code can be constructed for any number of codewords. This is particularly important as the number of codewords is the alphabet size of the outer structure. We will show that for the outer structure a c-traceability code, or a perfect hash family can be used and obtain the parameters of the combined code in terms of the parameters of the inner code and those of the outer structure. We apply these constructions to our new inner code and give parameters of the resulting c-secure codes.