221 search results - page 36 / 45 » Secure Public Instant Messaging |
WETICE
1998
IEEE
13 years 12 months ago
1998
IEEE
Much work is going into securing the public key infrastructure (PKI). Various models for trust exist; Pretty Good Privacy (PGP) and the Progressive-Constraint Trust model are exam...
VCIP
2003
13 years 9 months ago
2003
In this paper, we propose a novel authentication method for digital images that achieves fine authenticating granularity (e.g., block-level granularity). Its appealing flexibility ...
ICMCS
2010
IEEE
13 years 8 months ago
2010
IEEE
According to a popular pattern recognition method, this paper proposes two methods to generate a secret from individual's biometric information, such as fingerprint feature p...
IJNSEC
2006
13 years 7 months ago
2006
An identity-based signcryption scheme with (t, n) shared unsigncryption is proposed, which is the integration of the signcryption scheme, the (t, n) threshold scheme and zero know...
IEEEARES
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— Following Mark Weiser’s vision of ubiquitous computing and calm technology, computer systems should run in the background, preferably without the user noticing it at ...