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Artículo

How to share a secret

Adi Shamir · Communications of the ACM · 1979

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Author / responsible party
Adi Shamir
Publisher
Communications of the ACM
Year
1979
Language
English

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In this paper we show how to divide data D into n pieces in such a way that D is easily reconstructable from any k pieces, but even complete knowledge of k - 1 pieces reveals absolutely no information about D . This technique enables the construction of robust key management schemes for cryptographic systems that can function securely and reliably even when misfortunes destroy half the pieces and security breaches expose all but one of the remaining pieces.

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APA 7

Shamir, A. (1979). How to share a secret. https://doi.org/10.1145/359168.359176

MLA

Shamir, Adi. "How to share a secret." 1979. https://doi.org/10.1145/359168.359176.

Chicago

Shamir, Adi. 1979. "How to share a secret.". https://doi.org/10.1145/359168.359176.

Harvard

Shamir, A. 1979, How to share a secret, Communications of the ACM, available at: https://doi.org/10.1145/359168.359176 [Accessed 7 Aug. 2026].

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Resource details

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Title
How to share a secret
Author / contributors
Adi Shamir
Publisher
Communications of the ACM
Publication year
1979
Language
English

Subjects

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Computer science; Computer security; Key (lock); Cryptography; Function (biology); Theoretical computer science; Evolutionary biology; Biology
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