456 search results - page 42 / 92 » Rethinking Digital Signatures |
ICNS
2009
IEEE
14 years 5 months ago
2009
IEEE
—The majority of security protocols employ public key cryptography for authentication at least in the connection setup phase. However, verifying digital signatures is an expensiv...
CCS
2006
ACM
14 years 2 months ago
2006
ACM
Authentication is an important security measure for multicast applications, providing receivers with confidence that the packets they receive are valid. Simply signing every multi...
FAC
2007
13 years 10 months ago
2007
Abstract. We report on a case study in applying different formal methods to model and verify an architecture for administrating digital signatures. The architecture comprises seve...
CSIE
2009
IEEE
14 years 5 months ago
2009
IEEE
Customers are usually passive in an electronic commerce transaction. Based on a new two times concurrent signature, this article presents a fair electronic payment (E-payment) pro...
INFORMATICALT
2007
13 years 10 months ago
2007
Recently, Chen, Chung, and Huang proposed a traceable proxy multisignature scheme based on the elliptic curve cryptosystem. However, this paper shows that the original signers can ...