81 search results - page 7 / 17 » sec 2007 |
SEC
2000
13 years 9 months ago
2000
: Role-based access control associates roles with privileges and users with roles. Changes to these associations are infrequent and explicit. This may not reflect business requirem...
SEC
2000
13 years 9 months ago
2000
: The development of complex access control architectures raises the problem of their management. In this article, we describe an architecture providing packet filters configuratio...
SEC
2000
13 years 9 months ago
2000
The theory of computer viruses has been studied by several authors, though there is no systematic theoretical study up to now. The long time open question in this area is as follo...
SEC
1997
13 years 9 months ago
1997
A formal top down model shall be presented to aid documentation and harmonization of information security requirements. The model formalizes layered development of inn security, w...
SEC
1993
13 years 9 months ago
1993
We describe public key cryptosystems and analyse the RSA cryptosystem, pointing out a weakness (already known) of the RSA system. We define Lucas functions and derive some of thei...