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SIGECOM
2005
ACM
113views ECommerce» more  SIGECOM 2005»
14 years 2 months ago
Dynamic and secure B2B e-contract update management
Business-to-business electronic contracts provide a specification of the agreed value exchange and guarantee legal protection to companies during electronic trading relations. Imp...
Samuil Angelov, Sven Till, Paul W. P. J. Grefen
ACISP
2005
Springer
14 years 2 months ago
Two Improved Partially Blind Signature Schemes from Bilinear Pairings
A blind signature scheme is a protocol for obtaining a digital signature from a signer, but the signer can neither learn the messages he/she sign nor the signatures the recipients ...
Sherman S. M. Chow, Lucas Chi Kwong Hui, Siu-Ming ...
PKC
2005
Springer
110views Cryptology» more  PKC 2005»
14 years 2 months ago
From Fixed-Length to Arbitrary-Length RSA Encoding Schemes Revisited
To sign with RSA, one usually encodes the message m as µ(m) and then raises the result to the private exponent modulo N. In Asiacrypt 2000, Coron et al. showed how to build a secu...
Julien Cathalo, Jean-Sébastien Coron, David...
TRUSTBUS
2005
Springer
14 years 2 months ago
A Mediated Proxy Signature Scheme with Fast Revocation for Electronic Transactions
Abstract. Proxy signature schemes allow an original signer to delegate his signing rights to a proxy signer. Most proxy signature schemes have succeeded for proxy delegations and t...
Seung-Hyun Seo, Kyung-Ah Shim, Sang-Ho Lee
CHES
2004
Springer
99views Cryptology» more  CHES 2004»
14 years 2 months ago
Defeating Countermeasures Based on Randomized BSD Representations
Abstract. The recent development of side channel attacks has lead implementers to use increasingly sophisticated countermeasures in critical operations such as modular exponentiati...
Pierre-Alain Fouque, Frédéric Muller...