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New Anonymity Notions for Identity-Based Encryption
Abstract : Identity-based encryption is a very convenient tool to avoid key management. Recipient-privacy is also a major concern nowadays. To combine both, anonymous identity-based encryption has been proposed. This paper extends this notion to stronger adversaries (the authority itself). We discuss this new notion, together with a new kind of non-malleability with respect to the identity, for several existing schemes. Inter- estingly enough, such a new anonymity property has an independent application to password-authenticated key exchange. We thus come up with a new generic framework for password-authenticated key exchange, and a concrete construction based on pairings.
Cited literature [21 references]
https://hal.inria.fr/inria-00419144
Contributor : David Pointcheval <>
Submitted on : Tuesday, September 22, 2009 - 4:21:25 PM
Last modification on : Thursday, July 1, 2021 - 5:58:03 PM
Long-term archiving on: : Tuesday, October 16, 2012 - 11:11:01 AM
Contributor : David Pointcheval <>
Submitted on : Tuesday, September 22, 2009 - 4:21:25 PM
Last modification on : Thursday, July 1, 2021 - 5:58:03 PM
Long-term archiving on: : Tuesday, October 16, 2012 - 11:11:01 AM
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2009_sicsB.pdf
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