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Published March 6, 2013 | public
Report

An MQ/Code Cyptosystem Proposal

Abstract

We describe a new trap-door (and PKC) proposal. The proposal is ``multivariate quadratic'' (relies on the hardness of solving systems of quadratic equations); it is also code-based, and uses the code-scrambling technique of McEliece (1978). However, in the new proposal, the error-correcting code is not revealed in the public key, which protects against the leading attacks on McEliece's method.

Additional Information

Received March 6, 2013. Thanks to the organizers of post-quantum cryptography workshops at Dagstuhl and the Lorentz Center for creating stimulating environments in which some of these ideas were developed. I am grateful to the participants of those meetings, in particular Enrico Thomae, for comments. Thanks also to Alex Vardy, Madhu Sudan, Venkat Guruswami and Zvika Brakerski for helpful discussions

Additional details

Created:
August 19, 2023
Modified:
January 13, 2024