How to share a secret

@article{Shamir1979HowTS,
  title={How to share a secret},
  author={A. Shamir},
  journal={Commun. ACM},
  year={1979},
  volume={22},
  pages={612-613}
}
  • A. Shamir
  • Published 1979
  • Computer Science
  • Commun. ACM
  • In this paper we show how to divide data <italic>D</italic> into <italic>n</italic> pieces in such a way that <italic>D</italic> is easily reconstructable from any <italic>k</italic> pieces, but even complete knowledge of <italic>k</italic> - 1 pieces reveals absolutely no information about <italic>D</italic>. 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… CONTINUE READING

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