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LATINCRYPT
2010
15 years 8 days ago
Broadcast Encryption with Multiple Trust Authorities
Abstract. In this paper we extend the notion of hierarchical identitybased encryption with wildcards (WIBE) from the domain of a single Trusted Authority (TA) to a setting with mul...
Kent D. Boklan, Alexander W. Dent, Christopher A. ...
144
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SPEECH
2011
14 years 8 months ago
Discrimination of speech from nonspeeech in broadcast news based on modulation frequency features
We describe a content based speech discrimination algorithm in broadcast news based on the time-varying information provided by the modulation spectrum. Due to the varying degrees...
Maria E. Markaki, Yannis Stylianou
ASIACRYPT
2003
Springer
15 years 7 months ago
Sequential Key Derivation Patterns for Broadcast Encryption and Key Predistribution Schemes
Abstract. We study two closely related primitives: Broadcast Encryption and Key Predistribution Schemes (KPS). Broadcast Encryption allows a broadcaster to broadcast an encrypted m...
Nuttapong Attrapadung, Kazukuni Kobara, Hideki Ima...
STOC
2002
ACM
159views Algorithms» more  STOC 2002»
16 years 2 months ago
On the composition of authenticated byzantine agreement
A fundamental problem of distributed computing is that of simulating a secure broadcast channel, within the setting of a point-to-point network. This problem is known as Byzantine...
Yehuda Lindell, Anna Lysyanskaya, Tal Rabin
CORR
2010
Springer
158views Education» more  CORR 2010»
15 years 1 months ago
Epistemic Model Checking for Knowledge-Based Program Implementation: an Application to Anonymous Broadcast
Knowledge-based programs provide an abstract level of description of protocols in which agent actions are related to their states of knowledge. The paper describes how epistemic mo...
Omar I. Al-Bataineh, Ron van der Meyden