STOC '91 Proceedings of the twenty-third annual ACM symposium on Theory of computing
An identity-based key-exchange protocol
EUROCRYPT '89 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
Authentication and authenticated key exchanges
Designs, Codes and Cryptography
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CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
STOC '98 Proceedings of the thirtieth annual ACM symposium on Theory of computing
SIAM Journal on Computing
CRYPTO '99 Proceedings of the 19th Annual International Cryptology Conference on Advances in Cryptology
The Order of Encryption and Authentication for Protecting Communications (or: How Secure Is SSL?)
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
Non-Interactive Zero-Knowledge Proof of Knowledge and Chosen Ciphertext Attack
CRYPTO '91 Proceedings of the 11th Annual International Cryptology Conference on Advances in Cryptology
Relations Among Notions of Security for Public-Key Encryption Schemes
CRYPTO '98 Proceedings of the 18th Annual International Cryptology Conference on Advances in Cryptology
Analysis of Key-Exchange Protocols and Their Use for Building Secure Channels
EUROCRYPT '01 Proceedings of the International Conference on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Universally Composable Notions of Key Exchange and Secure Channels
EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
Authenticated Encryption: Relations among Notions and Analysis of the Generic Composition Paradigm
ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Unforgeable Encryption and Chosen Ciphertext Secure Modes of Operation
FSE '00 Proceedings of the 7th International Workshop on Fast Software Encryption
A Concrete Security Treatment of Symmetric Encryption
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
ACM Transactions on Information and System Security (TISSEC)
Confidentiality and integrity: a constructive perspective
TCC'12 Proceedings of the 9th international conference on Theory of Cryptography
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We consider communication sessions in which a pair of parties begin by running an authenticated key-exchange protocol to obtain a shared session key, and then secure successive data transmissions between them via an authenticated encryption scheme based on the session key. We show that such a communication session meets the notion of a secure channel protocol proposed by Canetti and Krawczyk [9] if and only if the underlying authenticated encryption scheme meets two new, simple definitions of security that we introduce, and the key-exchange protocol is secure. In other words, we reduce the secure channel requirements of Canetti and Krawczyk to easier to use, stand-alone security requirements on the underlying authenticated encryption scheme. In addition, we relate the two new notions to existing security notions for authenticated encryption schemes.