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Nuevos parámetros seguros para el criptosistema de Chor-Rivest e implementación con Magma

Authors: Hernández Álvarez, Fernando; Hernández Encinas, Luis; Queiruga Dios, Araceli;

Nuevos parámetros seguros para el criptosistema de Chor-Rivest e implementación con Magma

Abstract

La seguridad del criptosistema propuesto por Chor y Rivest se basa en el problema matemático de la mochila y ha sido roto por Vaudenay, pero sólo cuando se utilizan los parámetros originales propuestos en 1985. En este trabajo se presenta una búsqueda exhaustiva de nuevos parámetros a los que no son aplicables los criptoanálisis conocidos, incluido el de Vaudenay. Tales parámetros seguros se han utilizado para desarrollar una implementación eficiente del criptosistema de Chor-Rivest con el software Magma.

Este trabajo ha sido parcialmente subvencionado por el Ministerio de Educación y Ciencia con el proyecto de referencia TSI2007-62657, y por el CDTI, Ministerio de Industria, Turismo y Comercio, en coloboración con Telefónica I+D con el proyecto SEGUR@, de referencia CENIT-2007 2004.

9 pages, 2 tables.-- Contributed to: X Spanish Meeting on Cryptology and Information Security (Salamanca, Spain, Sep 2-5, 2008).

Peer reviewed

Keywords

Criptosistemas de clave pública, Software Magma, Criptosistema de Chor-Rivest, Problema de la mochila, Logaritmo discreto, Cuerpos finitos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green