How to prove yourself: practical solutions to identification and signature problems
Proceedings on Advances in cryptology---CRYPTO '86
Asymmetric fingerprinting for larger collusions
Proceedings of the 4th ACM conference on Computer and communications security
Handbook of Applied Cryptography
Handbook of Applied Cryptography
An Efficient Public Key Traitor Tracing Scheme
CRYPTO '99 Proceedings of the 19th 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
Proceedings of the First International Workshop on Information Hiding
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In order for the Internet-based digital products to be widely accepted, secure copyright distribution mechanism must be provided with advanced traitor tracing mechanism. We present new software copyright protection and electronic license distribution model based on public key scheme. In this model, digital contents can be distributed over a broadcast channel in a encrypted form and the authorized user can decrypt it, which can be traced back with proposed public key tracing mechanism. Proposed model provides efficiency since merchant server can issue electronic licenses in advance by preprocessing. It also provides secure and efficient software live-update mechanism based on traitor tracing scheme.