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<h1> %MOBIUS% Mobility, Ubiquity and Security %ENDCOLOR% </h1>

---++++ Enabling proof-carrying code for Java on mobile devices

Mobius is a European Integrated Project developing novel technologies for
trustworthy global computing, using _proof-carrying code_ to give users
independent guarantees of the safety and security of
[[http://java.sun.com/][Java]] applications for their mobile phones and PDAs.

Global computing means that applications today may run anywhere, with data and
code moving freely between servers, PCs and other devices: this kind of
mobility over the ubiquitous internet magnifies the challenge of making sure
that such software runs safely and reliably.  In this context, the Mobius
project focuses on securing applications downloaded to the
[[http://developers.sun.com/mobility/midp/][Java MIDP platform]]: globally
deployed across a host of phones, this is the common runtime environment for a
myriad mobile applications.

Techniques of _static analysis_ make it possible to check program behaviour by
analysing source code before it ever executes.  But mobile code means that this
assurance must somehow travel with the application to reach the user.
Conventional digital signatures use cryptography to identify who supplied a
program; the breakthrough of _[[ProofCarryingCode][proof-carrying code]]_ is
to give mathematical proofs that guarantee the security of the code itself.
We can strengthen digital signatures with digital evidence.

Key features of the Mobius security architecture are:

   * *Innovative trust management*, with digital evidence of program behaviour
   that can be independently checked by users or any third party.

   * *Static enforcement*, checking code before it starts; adaptable to manage a
   range of user security concerns, and configurable to match the real-world
   mix of mobile platforms.

   * *Modularity*, allowing developers to build up trusted applications from
   trusted components.


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%MAIL% To contact us: *[[mailto:Gilles.Barthe@imdea.org][Gilles Barthe]]* _Scientific Coordinator_ &nbsp;&nbsp; <br clear="left"/> 

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<td> _%BLUE%Mobius is an Integrated Project launched under the *%NEWWIN{http://www.cordis.lu/ist/fet/gc.htm,%BLUE%FET Global Computing Proactive Initiative%ENDCOLOR%}%*. The Mobius project is supported by te *%NEWWIN{http://europa.eu, European Commission}%* through the 6th Framework program. The project started on 1st September 2005 and lasts for 48 months.  %ENDCOLOR%_ </td>


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