Paper Info
Title
Converting PKI-Based Authenticated Key Exchange to Identity-Based
Abstract
Fiore and Gennaro proposed an identity-based authenticated key exchange ID-AKE scheme without pairing. Though their scheme is very efficient both in communication and computation, the scheme is not secure against some advanced exposure attacks. In this paper, we achieve exposure-resilient ID-AKE schemes without pairings. Specifically, we introduce two security preserving generic conversions from ordinary PKI-based AKE PKI-AKE to ID-AKE i.e., exposure resilience of PKI-AKE is preserved in converted ID-AKE. Our first conversion is for the post-specified peer model i.e., the peer can be unknown at the beginning of the protocol, and our second conversion is for the pre-specified peer model i.e., the peer must be fixed at the beginning of the protocol. The merit of the first conversion is round-preserving i.e., converted ID-AKE has same round complexity as PKI-AKE. The merit of the second conversion is rich instantiability i.e., it can be instantiated from various kinds of number-theoretic assumptions such as RSA and lattices as well as Diffie-Hellman variants thanks to rich instantiability of known PKI-AKE schemes in the pre-specified peer model.
Year
DOI
Venue
2014
10.1007/978-3-319-12280-9_11
CANS
Keywords
Field
DocType
ID-based authenticated key exchange, pre/post-specified peer model, exposure resilience
Round complexity,Public key infrastructure,Psychological resilience,Computer security,Computer science,Authenticated Key Exchange,Pairing,Computation
Conference
Volume
ISSN
Citations 
8813
0302-9743
0
PageRank 
References 
Authors
0.34
23
2
Name
Order
Citations
PageRank
Koutarou Suzuki151829.57
kazuki26710.08