Regulating access to SMIL formatted pay-per-view movies

Kodali, Naren; Wijesekera, Duminda

doi:10.1145/764792.764801

Cited by 13 publications

(14 citation statements)

References 14 publications

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“…Moreover, our proposal leaves space for further work. Other inspiring approaches [14], [24] enforce client-based access control to XML. Indeed, in [14] and [24], the document is encrypted at the server side and decrypted at the client side.…”

Section: Resultsmentioning

confidence: 99%

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A General Approach to Securely Querying XML

Damiani

Fansi

Gabillon

et al. 2007

Proceedings of the 5th International Workshop on Security in Information Systems

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Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access policies to compute secure user views on XML data sets. User queries are then evaluated on those views. In the second category of approaches, authorization rules are used to transform user queries to be evaluated against the original XML dataset. The aim of this paper is to describe a model combining the advantages of these approaches and overcoming their limitations. The model specification is given using a Finite State Automata, ensuring generality and easiness of standardization w.r.t. specific implementation techniques

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Section: Resultsmentioning

confidence: 99%

“…Other inspiring approaches [14], [24] enforce client-based access control to XML. Indeed, in [14] and [24], the document is encrypted at the server side and decrypted at the client side. The input of their system is then XML data and the output is also XML data, while in our approach both the input and output is an XML query.…”

Section: Resultsmentioning

confidence: 99%

A General Approach to Securely Querying XML

Damiani

Fansi

Gabillon

et al. 2007

Proceedings of the 5th International Workshop on Security in Information Systems

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“…The process of retrieval without losing the sense of continuity and synchronization needs better techniques and algorithms which all of the above models do not completely address. Kodali et al [KW02,KWJ03,KFW03] propose three different models for enforcing different security paradigms. A release control for SMIL formatted multimedia objects for pay-per-view movies on the Internet that enforces DAC is described in [KW02].…”

Section: Related Workmentioning

confidence: 99%

“…Kodali et al [KW02,KWJ03,KFW03] propose three different models for enforcing different security paradigms. A release control for SMIL formatted multimedia objects for pay-per-view movies on the Internet that enforces DAC is described in [KW02]. The cinematic structure consisting of acts, scenes, frames of an actual movies are written as a SMIL document without losing the sense of a story.…”

Section: Related Workmentioning

confidence: 99%

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Multimedia Access Control Using RDF Metadata

Kodali¹,

Farkas

Wijesekera

2003

On the Move to Meaningful Internet Systems 2003: OTM 2003 Workshops

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Abstract. The Synchronized Multimedia Integration Language (SMIL) [Aya01] is an W3C[W3C03] specification for authoring multimedia documents. Although SMIL has XML like syntactic constructs, unlike XML, SMIL compositions have an intended interpretation stemming from intuitive notions of playing out many media streams relative to each other. Thus, more than one SMIL syntactic expression can represent a multimedia composition with the same intended semantics. In this work we propose a normal form for SMIL objects that allows to specify security policies that are independent of representational syntax. We also show how to represent access control and QoS polices applicable to multimedia compositions by decorating SMIL compositions with RDF [KC03] statements. Our RDF statements are based on an RDF structure tailored to represent known security paradigms such as Discretionary, Mandatory, and Role-Based Access Control. Once the security paradigm is chosen and the SMIL document is decorated with security and QoS specifications, we show how to create secure views of the SMIL document. We call these views secure normal forms. Next, we show how a secure multimedia server can use these views to provide secure runtime environment.

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Enforcing Integrity in Multimedia Surveillance

Kodali

Farkas

Wijesekera³

Integrity and Internal Control in Information Systems VI

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In this paper, we propose a secure distribution model for multimedia surveillance data, where different locations of the monitored facilities may have different security requirements. We propose a multilevel security framework, wherein the surveillance data streams are classified according to the sensitivity of the location of the surveillance devices, and users (guards) have corresponding security clearances. Guards monitor live multimedia feeds emanating from surveillance devices placed throughout the facility. Our position is that during normal mode of operation, guards are allowed to access only those multimedia streams for which they have the proper authorizations. However, in an emergency, guards may receive pre-computed emergency instructions and/or cover stories. We show how to compose multilevel secure SMIL documents, compute views for each security classification, enforce integrity, confidentiality and access control, and deliver the secure views to handheld devices while 1.

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Regulating access to SMIL formatted pay-per-view movies

Cited by 13 publications

References 14 publications

A General Approach to Securely Querying XML

A General Approach to Securely Querying XML

Multimedia Access Control Using RDF Metadata

Enforcing Integrity in Multimedia Surveillance

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