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ASIACRYPT
2003
Springer
14 years 3 months ago
Certificateless Public Key Cryptography
This paper introduces the concept of certificateless public key cryptography (CL-PKC). In contrast to traditional public key cryptographic systems, CL-PKC does not require the use...
Sattam S. Al-Riyami, Kenneth G. Paterson
CRYPTO
2006
Springer
108views Cryptology» more  CRYPTO 2006»
14 years 3 months ago
Inverting HFE Is Quasipolynomial
In the last ten years, multivariate cryptography has emerged as a possible alternative to public key cryptosystems based on hard computational problems from number theory. Notably,...
Louis Granboulan, Antoine Joux, Jacques Stern
CRYPTO
2006
Springer
107views Cryptology» more  CRYPTO 2006»
14 years 3 months ago
Cryptanalysis of 2R- Schemes
Abstract. In this paper, we study the security of 2Rschemes [17,18], which are the "minus variant" of two-round schemes. This variant consists in removing some of the n p...
Jean-Charles Faugère, Ludovic Perret
ACNS
2006
Springer
167views Cryptology» more  ACNS 2006»
14 years 3 months ago
Public Key Cryptography Sans Certificates in Ad Hoc Networks
Abstract. Several researchers have proposed the use of threshold cryptographic model to enable secure communication in ad hoc networks without the need of a trusted center. In this...
Nitesh Saxena
EUROPKI
2004
Springer
14 years 3 months ago
On the Synergy Between Certificate Verification Trees and PayTree-like Micropayments
Abstract. A substantial number of micropayment schemes in the literature are based on distributing the cost of a digital signature over several successive micropayments (e.g. Paywo...
Josep Domingo-Ferrer
APNOMS
2006
Springer
14 years 3 months ago
An Efficient Authentication and Simplified Certificate Status Management for Personal Area Networks
Abstract. Recently the concept of personal PKI was introduced to describe a public key infrastructure specifically designed to support the distribution of public keys in a personal...
Chul Sur, Kyung Hyune Rhee
ICC
2007
IEEE
136views Communications» more  ICC 2007»
14 years 3 months ago
SAMcast - A Scalable, Secure and Authenticated Multicast Protocol for Large Scale P2P Networks
Overlay networks have shown tremendous potential in solving large scale data dissemination problem by employing peer-to-peer communication protocols. These networks, however, have ...
Waseem Ahmad, Ashfaq A. Khokhar
SP
2010
IEEE
206views Security Privacy» more  SP 2010»
14 years 3 months ago
Revocation Systems with Very Small Private Keys
In this work, we design a method for creating public key broadcast encryption systems. Our main technical innovation is based on a new “two equation” technique for revoking us...
Allison B. Lewko, Amit Sahai, Brent Waters
PQCRYPTO
2010
298views Cryptology» more  PQCRYPTO 2010»
14 years 3 months ago
Cryptanalysis of the Niederreiter Public Key Scheme Based on GRS Subcodes
Abstract. In this paper a new structural attack on the McEliece/Niederreiter public key cryptosystem based on subcodes of generalized ReedSolomon codes proposed by Berger and Loidr...
Christian Wieschebrink
PKC
2010
Springer
210views Cryptology» more  PKC 2010»
14 years 3 months ago
Algebraic Cryptanalysis of the PKC'2009 Algebraic Surface Cryptosystem
Abstract. In this paper, we fully break the Algebraic Surface Cryptosystem (ASC for short) proposed at PKC’2009 [3]. This system is based on an unusual problem in multivariate cr...
Jean-Charles Faugère, Pierre-Jean Spaenleha...