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Share is a portion of information distributed by a secret sharing scheme (SSS) to a given user. In the standard definition of SSS, shares are distributed via secure, private channels in such a way that each participant only knows his own share [1, 2]. We note that it is also possible to organize SSS in case of public channels [3].

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References

  1. Shamir, A. (1979). “How to share a secret.” Communications of the ACM, 22 (1), 612–613.

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  2. Blakley, R. (1979). “Safeguarding cryptographic keys.” Proceedings of AFIPS 1979 National Computer Conference, 48, 313–317.

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  3. Beimel, A. and B. Chor (1998). “Secret sharing with public reconstruction.” IEEE Transactions on Informatiom Theory, 44 (5), 1887–1896.

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© 2005 International Federation for Information Processing

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Blakley, R., Kabatiansky, G. (2005). Share. In: van Tilborg, H.C.A. (eds) Encyclopedia of Cryptography and Security. Springer, Boston, MA . https://doi.org/10.1007/0-387-23483-7_391

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