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Multiparty Key Exchange, Efficient Traitor Tracing, and More from Indistinguishability Obfuscation
Multiparty Key Exchange Effi cient Traitor Tracing
2015/8/5
Our traitor tracing system is fully collusion resistant with short ciphertexts, secret keys,
and public key. Ciphertext size is logarithmic in the number of users and secret key size is
independent ...