How to prove yourself: practical solutions to identification and signature problems
Proceedings on Advances in cryptology---CRYPTO '86
Wallet Databases with Observers
CRYPTO '92 Proceedings of the 12th Annual International Cryptology Conference on Advances in Cryptology
Fair Cryptosystems, Revisited: A Rigorous Approach to Key-Escrow (Extended Abstract)
CRYPTO '95 Proceedings of the 15th Annual International Cryptology Conference on Advances in Cryptology
Key Escrow in Mutually Mistrusting Domains
Proceedings of the International Workshop on Security Protocols
Increasing Efficiency of International Key Escrow in Mutually Mistrusting Domains
Proceedings of the 6th IMA International Conference on Cryptography and Coding
Publicly verifiable secret sharing
EUROCRYPT'96 Proceedings of the 15th annual international conference on Theory and application of cryptographic techniques
A secure and optimally efficient multi-authority election scheme
EUROCRYPT'97 Proceedings of the 16th annual international conference on Theory and application of cryptographic techniques
A threshold cryptosystem without a trusted party
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
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In this paper we present secure and efficient key escrow protocols that guarantees escrow secrecy, public verifiability, and robustness for mobile telecommunications systems. We present a new construction for key escrow scheme, which compared to previous solutions by Chen, Gollman, Mitchell and later by Martin, achieves improvements in efficiency and security. We proposed a new key escrow protocol, designed for the case where the pair of communicating users are in different domains, in which the pair of users and all the third parties jointly generate a session key for end-to-end encryption.