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ENTCS
2007

On the Security of Tag-KEM for Signcryption

13 years 5 months ago
On the Security of Tag-KEM for Signcryption
Signcryption tag-KEM (Key Encapsulation Mechanism with a tag) is an authenticated tag-KEM for generic construction of hybrid signcryption. Signcryption tagKEM allows the sender to encapsulate a symmetric key along with a tag so that the receiver can authenticate the sender, the key, and the tag. We present a definition for the security of signcryption tag-KEM which is suitable for a recent signcryption setting. We also present a proof of security for the previous generic construction of hybrid signcryption according to the given definition. Key words: key encapsulation, privacy, authentication, signcryption, signcryption tag-KEM
Maki Yoshida, Toru Fujiwara
Added 13 Dec 2010
Updated 13 Dec 2010
Type Journal
Year 2007
Where ENTCS
Authors Maki Yoshida, Toru Fujiwara
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