Digital Signcryption or How to Achieve Cost(Signature & Encryption)
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
On the Security of Joint Signature and Encryption
EUROCRYPT '02 Proceedings of the International Conference on the Theory and Applications of Cryptographic Techniques: Advances in Cryptology
Formal Proofs for the Security of Signcryption
PKC '02 Proceedings of the 5th International Workshop on Practice and Theory in Public Key Cryptosystems: Public Key Cryptography
Security proofs for signature schemes
EUROCRYPT'96 Proceedings of the 15th annual international conference on Theory and application of cryptographic techniques
Hybrid signcryption schemes with insider security
ACISP'05 Proceedings of the 10th Australasian conference on Information Security and Privacy
An efficient CDH-based signature scheme with a tight security reduction
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
Tag-KEM/DEM: a new framework for hybrid encryption and a new analysis of kurosawa-desmedt KEM
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Hybrid signcryption schemes with outsider security
ISC'05 Proceedings of the 8th international conference on Information Security
Certificateless Hybrid Signcryption
ISPEC '09 Proceedings of the 5th International Conference on Information Security Practice and Experience
Efficient Signcryption Key Encapsulation without Random Oracles
Information Security and Cryptology
Efficient Constructions of Signcryption Schemes and Signcryption Composability
INDOCRYPT '09 Proceedings of the 10th International Conference on Cryptology in India: Progress in Cryptology
On the connection between signcryption and one-pass key establishment
Cryptography and Coding'07 Proceedings of the 11th IMA international conference on Cryptography and coding
Fully secure threshold unsigncryption
ProvSec'10 Proceedings of the 4th international conference on Provable security
Public key encryption for the forgetful
Cryptography and Security
Revisiting the security model for timed-release encryption with pre-open capability
ISC'07 Proceedings of the 10th international conference on Information Security
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Signcryption schemes aim to provide all of the advantages of simultaneously signing and encrypting a message. Recently, Dent [8, 9]and Bjørstad [4] investigated the possibility of constructing provably secure signcryption schemes using hybrid KEM-DEM techniques [7]. We build on this work by showing that more efficient insider secure hybrid signcryption schemes can be built using tag-KEMs [1]. To prove the effectiveness of this construction, we will provide several examples of secure signcryption tag-KEMs, including a brand new construction based on the Chevallier-Mames signature scheme [5] which has the tightest known security reductions for both confidentiality and unforgeability.