A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
A unified framework for enforcing multiple access control policies
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Towards usage control models: beyond traditional access control
SACMAT '02 Proceedings of the seventh ACM symposium on Access control models and technologies
A logical framework for reasoning about access control models
ACM Transactions on Information and System Security (TISSEC)
Improving the Availability of Time-Stamping Services
ACISP '01 Proceedings of the 6th Australasian Conference on Information Security and Privacy
An Audit Logic for Accountability
POLICY '05 Proceedings of the Sixth IEEE International Workshop on Policies for Distributed Systems and Networks
A Logic for Constraint-based Security Protocol Analysis
SP '06 Proceedings of the 2006 IEEE Symposium on Security and Privacy
Securing data accountability in decentralized systems
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part I
Universally composable time-stamping schemes with audit
ISC'05 Proceedings of the 8th international conference on Information Security
A formal implementation of value commitment
ESOP'08/ETAPS'08 Proceedings of the Theory and practice of software, 17th European conference on Programming languages and systems
Usage control enforcement - a survey
ARES'11 Proceedings of the IFIP WG 8.4/8.9 international cross domain conference on Availability, reliability and security for business, enterprise and health information systems
Securing data accountability in decentralized systems
OTM'06 Proceedings of the 2006 international conference on On the Move to Meaningful Internet Systems: AWeSOMe, CAMS, COMINF, IS, KSinBIT, MIOS-CIAO, MONET - Volume Part I
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We consider a decentralized setting in which agents exchange data along with usage policies Agents may violate the intended usage policies, although later on auditing authorities may verify the agents' data accountability with respect to the intended policies Using time-stamping and signature schemes, we design and analyze an efficient cryptographic protocol generating communication evidences, in such a way that an agent is accountable in our protocol only if the agent behaved honestly.