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ICICS
2004
Springer
13 years 10 months ago
Factorization-Based Fail-Stop Signatures Revisited
Fail-stop signature (FSS) schemes are important primitives because in a fail-stop signature scheme the signer is protected against unlimited powerful adversaries as follows: Even i...
Katja Schmidt-Samoa
ICICS
2004
Springer
13 years 10 months ago
On the Minimal Assumptions of Group Signature Schemes
Abstract. One of the central lines of cryptographic research is identifying the weakest assumptions required for the construction of secure primitives. In the context of group sign...
Michel Abdalla, Bogdan Warinschi
ICICS
2004
Springer
13 years 10 months ago
Adaptive-CCA on OpenPGP Revisited
E-mail system has become one of the most important and popular Internet services. Instead of using traditional surface mail, we have the alternative of employing e-mail system whic...
Hsi-Chung Lin, Sung-Ming Yen, Guan-Ting Chen
ICICS
2004
Springer
13 years 10 months ago
Dynamic Access Control for Multi-privileged Group Communications
Abstract. Recently, there is an increase in the number of group communication applications which support multiple service groups of different access privileges. Traditional access...
Di Ma, Robert H. Deng, Yongdong Wu, Tieyan Li
ICICS
2004
Springer
13 years 10 months ago
On Some Weak Extensions of AES and BES
In 2002, Murphy and Robshaw introduced an extension BES of AES and argued this could compromise the security of AES. We introduce here two block-ciphers CES and Big-BES that are so...
Jean Monnerat, Serge Vaudenay
Communications
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