A randomized protocol for signing contracts
Communications of the ACM
Proceedings of CRYPTO 84 on Advances in cryptology
Non-repudiation with mandatory proof of receipt
ACM SIGCOMM Computer Communication Review
Optimistic protocols for fair exchange
Proceedings of the 4th ACM conference on Computer and communications security
Cryptography for Visual Basic: a programmer's guide to the Microsoft CryptoAPI
Cryptography for Visual Basic: a programmer's guide to the Microsoft CryptoAPI
Certified email with a light on-line trusted third party: design and implementation
Proceedings of the 11th international conference on World Wide Web
ESORICS '96 Proceedings of the 4th European Symposium on Research in Computer Security: Computer Security
Identity-Based Encryption from the Weil Pairing
CRYPTO '01 Proceedings of the 21st Annual International Cryptology Conference on Advances in Cryptology
An Optimistic Non-repudiation Protocol with Transparent Trusted Third Party
ISC '01 Proceedings of the 4th International Conference on Information Security
ACSAC '98 Proceedings of the 14th Annual Computer Security Applications Conference
An Efficient Non-repudiation Protocol
CSFW '97 Proceedings of the 10th IEEE workshop on Computer Security Foundations
A fair non-repudiation protocol
SP'96 Proceedings of the 1996 IEEE conference on Security and privacy
Efficient identity-based encryption without random oracles
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Hierarchical identity based encryption with constant size ciphertext
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
An intensive survey of fair non-repudiation protocols
Computer Communications
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Nowadays, e-mail has become one of the most widely used communication medium. Because of its characteristics of inexpensivity and rapidity in the delivery of messages, e-mail is increasingly used in place of ordinary mail. However, the e-mail service exposes users to several risks related to the lack of security during the message exchange. Furthermore, regular mail offers services which are usually not provided by e-mail, and which are of crucial importance for “official” events. Certified e-mail tries to provide users with additional guarantees on the content and the delivery of the messages, making e-mail equivalent and in some cases more convenient than the ordinary paper-based mail service. In literature, several distributed protocols for certified e-mail have been proposed, relying on an inline trusted third party to ensure the fairness of the protocol. In such protocols, the is actively involved in each message exchange. In this paper we provide a novel inline certified e-mail protocol which satisfies all the most important requirements which have been discussed for certified e-mail. Furthermore, we discuss a prototype implementation of our protocol targeted to the Windows platform.