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ESORICS
2009
Springer
14 years 5 months ago
PCAL: Language Support for Proof-Carrying Authorization Systems
By shifting the burden of proofs to the user, a proof-carrying authorization (PCA) system can automatically enforce complex access control policies. Unfortunately, managing those p...
Avik Chaudhuri, Deepak Garg
CSFW
2004
IEEE
13 years 8 months ago
By Reason and Authority: A System for Authorization of Proof-Carrying Code
We present a system, BLF, that combines an authorization logic based on the Binder language with a logical framework, LF, able to express semantic properties of programs. BLF is a...
Nathan Whitehead, Martín Abadi, George C. N...
CCS
2007
ACM
13 years 10 months ago
Alpaca: extensible authorization for distributed services
Traditional Public Key Infrastructures (PKI) have not lived up to their promise because there are too many ways to define PKIs, too many cryptographic primitives to build them wi...
Chris Lesniewski-Laas, Bryan Ford, Jacob Strauss, ...
JUCS
2007
90views more  JUCS 2007»
13 years 4 months ago
Supporting the Authoring and Operationalization of Educational Modelling Languages
: The modelling of educational processes and their operational support is a key aspect in the construction of more effective e-learning applications. Instructional models are usual...
Iván Martínez-Ortiz, Pablo Moreno-Ge...
ICALT
2007
IEEE
13 years 10 months ago
Cooperative Picture Card Dictionary Authoring System For Communicative Language Learning
This research proposes a picture card dictionary authoring system to support young language learners perform communicative tasks using daily-life words, without teaching them the ...
Masahiro Yachi