Towards secure distributed computations
Resumen:
In this paper, we present an infrastructure for securing distributed computations between hosts, using a novel technique called Proof Carrying Results. This technique is based on Necula's proof carrying code. Basically, the result of some computation comes equipped with a certicate, or witness, showing that the computation was made correctly. This witness can be used to verify that the value was generated in a good way. We will show how to add the PCR technique and its supporting infrastructure to a distributed programming language. This will make the language more robust against active adversaries, when the returned values of a computation are of abstract types. Finally, to check the values and associated witnesses produced by some host, we use the COQ proof checker for a precise and reliable veri cation.
| 2009 | |
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Proof Carrying Results Seguridad en Computación Computer Security |
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| Universidad de la República | |
| COLIBRI | |
| http://hdl.handle.net/20.500.12008/3440 | |
| Acceso abierto | |
| Licencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC BY-NC-ND 4.0) |
| Sumario: | In this paper, we present an infrastructure for securing distributed computations between hosts, using a novel technique called Proof Carrying Results. This technique is based on Necula's proof carrying code. Basically, the result of some computation comes equipped with a certicate, or witness, showing that the computation was made correctly. This witness can be used to verify that the value was generated in a good way. We will show how to add the PCR technique and its supporting infrastructure to a distributed programming language. This will make the language more robust against active adversaries, when the returned values of a computation are of abstract types. Finally, to check the values and associated witnesses produced by some host, we use the COQ proof checker for a precise and reliable veri cation. |
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