We propose a scheme that exploits scale to prevent phishing. We show that while stopping phishers from obtaining passwords is very hard, detecting the fact that a password has bee...
Electronic authentication with a portable device such as a smart card has been receiving increasing attention. An explosion of papers argues security on such kind of authenticatio...
Abstract. Braid cryptosystem was proposed in CRYPTO 2000 as an alternate public-key cryptosystem. The security of this system is based upon the conjugacy problem in braid groups. S...
Abstract. The Norwegian company Encap has developed protocols enabling individuals to use their mobile phones as one-time password (OTP) generators. An initial analysis of the prot...
The progress of future e-business and ecommerce will depend on the ability of our legal institutions to protect general users from cyber crimes. While there has been substantial p...