Paper 2002/065
Secure Channels based on Authenticated Encryption Schemes: A Simple Characterization
Chanathip Namprempre
Abstract
We consider communication sessions in which a pair of parties begin by running an authenticated key-exchange protocol to obtain a shared session key, and then secure successive data transmissions between them via an authenticated encryption scheme based on the session key. We show that such a communication session meets the notion of a secure channel protocol proposed by Canetti and Krawczyk if and only if the underlying authenticated encryption scheme meets two new, simple definitions of security that we introduce, and the key-exchange protocol is secure. In other words, we reduce the secure channel requirements of Canetti and Krawczyk to easier to use, stand-alone security requirements on the underlying authenticated encryption scheme.
Metadata
- Available format(s)
-
PDF
PS
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Advances in Cryptography --- Asiacrypt 2002
- Keywords
- Secure Channelsauthenticated encryptionsecurity notions
- Contact author(s)
- meaw @ cs ucsd edu
- History
- 2002-08-29: last of 3 revisions
- 2002-05-29: received
- See all versions
- Short URL
- https://ia.cr/2002/065
- License
-
CC BY
BibTeX
@misc{cryptoeprint:2002/065,
author = {Chanathip Namprempre},
title = {Secure Channels based on Authenticated Encryption Schemes: A Simple Characterization},
howpublished = {Cryptology {ePrint} Archive, Paper 2002/065},
year = {2002},
url = {https://eprint.iacr.org/2002/065}
}
