349 search results - page 42 / 70 » Compositional Security for Task-PIOAs |
ESORICS
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. Security policies, in particular access control, are fundamental elements of computer security. We address the problem of authoring and analyzing policies in a modular wa...
CCS
2004
ACM
15 years 3 months ago
2004
ACM
We propose a type and effect system for authentication protocols built upon a tagging scheme that formalizes the intended semantics of ciphertexts. The main result is that the val...
TCC
2005
Springer
15 years 3 months ago
2005
Springer
In this work, relations between the security notions standard simulatability and universal simulatability for cryptographic protocols are investigated. A simulatability-based notio...
CSFW
1999
IEEE
15 years 2 months ago
1999
IEEE
The information security community has long debated the exact definition of the term `security'. Even if we focus on the more modest notion of confidentiality the precise def...
CSFW
2006
IEEE
15 years 3 months ago
2006
IEEE
We argue that games are expressive enough to encompass (history-based) access control, (resource) usage control (e.g., dynamic adaptive access control of reputation systems), acco...