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Paper 2012/222

A secret sharing scheme of prime numbers based on hardness of factorization

Kai-Yuen Cheong

Abstract

Secret sharing schemes usually have perfect information theoretic security. This implies that each share must be as large as the secret. In this work we propose a scheme where the shares are smaller, while the security becomes computational. The computational security assumption is hardness of factorization, which is a simple and rather standard assumption in cryptography. In our scheme, the shared secret can only be a set of prime numbers.

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Metadata
Available format(s)
PDF
Category
Foundations
Publication info
Published elsewhere. Unknown where it was published
Keywords
secret sharing
Contact author(s)
kaiyuen @ jaist ac jp
History
2012-08-21: revised
2012-04-30: received
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Short URL
https://ia.cr/2012/222
License
Creative Commons Attribution
CC BY
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