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PKC
2009
Springer
129views Cryptology» more  PKC 2009»
15 years 10 months ago
Modeling Key Compromise Impersonation Attacks on Group Key Exchange Protocols
A key exchange protocol allows a set of parties to agree upon a secret session key over a public network. Two-party key exchange (2PKE) protocols have been rigorously analyzed unde...
Colin Boyd, Juan Manuel González Nieto, M. ...
PKC
2009
Springer
102views Cryptology» more  PKC 2009»
15 years 10 months ago
A Practical Key Recovery Attack on Basic TCHo
TCHo is a public key encryption scheme based on a stream cipher component, which is particular suitable for low cost devices like RFIDs. In its basic version, TCHo offers no IND-CC...
Mathias Herrmann, Gregor Leander
PKC
2009
Springer
131views Cryptology» more  PKC 2009»
15 years 10 months ago
Towards Black-Box Accountable Authority IBE with Short Ciphertexts and Private Keys
At Crypto'07, Goyal introduced the concept of Accountable Authority Identity-Based Encryption as a convenient tool to reduce the amount of trust in authorities in Identity-Bas...
Benoît Libert, Damien Vergnaud
PKC
2009
Springer
121views Cryptology» more  PKC 2009»
15 years 10 months ago
Fast Multibase Methods and Other Several Optimizations for Elliptic Curve Scalar Multiplication
Recently, the new Multibase Non-Adjacent Form (mbNAF) method was introduced and shown to speed up the execution of the scalar multiplication with an efficient use of multiple bases...
Patrick Longa, Catherine H. Gebotys
PKC
2009
Springer
142views Cryptology» more  PKC 2009»
15 years 10 months ago
Identification of Multiple Invalid Signatures in Pairing-Based Batched Signatures
This paper describes new methods in pairing-based signature schemes for identifying the invalid digital signatures in a batch, after batch verification has failed. These methods ef...
Brian J. Matt