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IJIT
2004
13 years 6 months ago
A Lossless Watermarking Based Authentication System For Medical Images
In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...
Samia Boucherkha, Mohamed Benmohamed
CIS
2007
Springer
13 years 11 months ago
A New Provably Secure Authentication and Key Agreement Mechanism for SIP Using Certificateless Public-Key Cryptography
The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the internet. However, SIP authentication typically uses HTTP digest authentic...
Fengjiao Wang, Yuqing Zhang
PVLDB
2008
138views more  PVLDB 2008»
13 years 4 months ago
Authenticating the query results of text search engines
The number of successful attacks on the Internet shows that it is very difficult to guarantee the security of online search engines. A breached server that is not detected in time...
HweeHwa Pang, Kyriakos Mouratidis
PKC
2009
Springer
180views Cryptology» more  PKC 2009»
14 years 5 months ago
Security of Sanitizable Signatures Revisited
Sanitizable signature schemes, as defined by Ateniese et al. (ESORICS 2005), allow a signer to partly delegate signing rights to another party, called the sanitizer. That is, the s...
Anja Lehmann, Christina Brzuska, Dominique Schr&ou...
CRYPTO
2004
Springer
127views Cryptology» more  CRYPTO 2004»
13 years 10 months ago
IPAKE: Isomorphisms for Password-Based Authenticated Key Exchange
Abstract. In this paper we revisit one of the most popular passwordbased key exchange protocols, namely the OKE (for Open Key Exchange) scheme, proposed by Luck in 1997. Our result...
Dario Catalano, David Pointcheval, Thomas Pornin