Efficient key encapsulation to multiple parties

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

27 Citations (Scopus)

Abstract

We present the notion of an mKEM, which is a Key Encapsulation Mechanism (KEM) which takes multiple public keys as input. This has applications where one wishes to encrypt a single large document to a set of multiple recipients, as when one sends an encrypted email to more than one person. We present a security definition and show that the naive approach to implementing an mKEM is secure under this definition. We then go on to present a more efficient construction of an mKEM, which is secure in the random oracle model.
Translated title of the contributionEfficient key encapsulation to multiple parties
Original languageEnglish
Title of host publicationSecurity and Cryptography for Networks - SCN 2006
PublisherSpringer Berlin Heidelberg
Pages208 - 219
Number of pages11
Volume3352
ISBN (Print)3540243011
Publication statusPublished - Jan 2005

Bibliographical note

Conference Proceedings/Title of Journal: Security in Communication Networks (SCN 2004)

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