Searching for authors named "Petros Maniatis" – sorted by Relevance.
51 documents found, showing 1 through 10.
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Paper Summaries
- …This paper presents a introduction to the concept of persistent authenticated dictionaries. It describes the design of two such dictionaries, one based on red-black trees, and one based on skip lists. Finally, it presents measurements of an implementation of persistent authenticated skip lists compa…
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Authenticated Append-only Skip Lists
- …In this work we describe, design and analyze the security of a tamper-evident, append-only data structure for maintaining secure data sequences in a loosely coupled distributed system where individual system components may be mutually distrustful. The resulting data structure, called an Authenticate…
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A Historic Name-Trail Service
- …People change the identifiers through which they are reachable online as they change jobs or residences or Internet service providers. This kind of personal mobility makes reaching people online error-prone. As people move, they do not always know who or what has cached their now obsolete identifier…
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Enabling the Archival Storage of Signed Documents
- …Documents in digital formats are increasingly becoming a common form of expression for anything from rants and opinions to transaction records and contracts. Archiving such documents for the long term, particularly when their only form is digital, can be very important. Sadly, the principal digital …
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Augmented Smartphone Applications Through Clone Cloud Execution
- …Smartphones enable a new, rich user experience in pervasive computing, but their hardware is still very limited in terms of computation, memory, and energy reserves, thus limiting potential applications. In this paper, we propose a novel architecture that addresses these challenges via seamlessly—bu…
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Enabling the Long-Term Archival of Signed Documents through Time Stamping
- …In this paper we describe how to build a trusted reliable distributed service across administrative domains in a peer-topeer network. The application we use to motivate our work is a public key time stamping service called Prokopius. The service provides a secure, veriable but distributable stable a…
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IdentiScape: Tackling the Personal Online Identity
- …Traditional systems refer to a mobile person using the name or address of that person's communication device. As personal communications become more diverse and popular, this solution is no longer adequate, since mobile people frequently move between dierent devices and use dierent communications ap…
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Building Trusted Distributed Services Across Administrative Domains
- …In this paper we describe how to build a trusted reliable distributed service across administrative domains in a peer-to-peer network. The service we use to motivate our work is a public key time stamping service called Prokopius. The service provides a secure, verifible but distributable stable arc…
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Secure History Preservation through Timeline Entanglement
- …A secure timeline is a tamper-evident historic record of the states through which a system goes throughout its operational history. Secure timelines can help us reason about the temporal ordering of system states in a provable manner. We extend secure timelines to encompass multiple, mutually distru…
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Not-a-Bot (NAB): Improving Service Availability in the Face of Botnet Attacks ∗
- …A large fraction of email spam, distributed denial-ofservice (DDoS) attacks, and click-fraud on web advertisements are caused by traffic sent from compromised machines that form botnets. This paper posits that by identifying human-generated traffic as such, one can mitigate botnet attacks, by servic…
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