456 search results - page 70 / 92 » Rethinking Digital Signatures |
DAC
2002
ACM
14 years 8 months ago
2002
ACM
Linear programming (LP) in its many forms has proven to be an indispensable tool for expressing and solving optimization problems in numerous domains. We propose the first set of ...
SP
2007
IEEE
14 years 1 months ago
2007
IEEE
An electronic cash (e-cash) scheme lets a user withdraw money from a bank and then spend it anonymously. E-cash can be used only if it can be securely and fairly exchanged for ele...
HT
2006
ACM
14 years 1 months ago
2006
ACM
We present Opal, a light-weight framework for interactively locating missing web pages (http status code 404). Opal is an example of “in vivo” preservation: harnessing the col...
SACMAT
2004
ACM
14 years 1 months ago
2004
ACM
Ubiquitous computing uses a variety of information for which access needs to be controlled. For instance, a person’s current location is a sensitive piece of information, which ...
MAS
1998
Springer
13 years 12 months ago
1998
Springer
A key element of any mobile code based distributed system are the security mechanisms available to protect (a) the host against potentially hostile actions of a code fragment under...