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Standard
ISO/IEC 4922-2
First edition
Information security — Secure
2024-03
multiparty computation —
Part 2:
Mechanisms based on secret sharing
Sécurité de l'information — Calcul multipartite sécurisé —
Partie 2: Mécanismes basés sur le partage de secret
Reference number
ISO/IEC 4922-2:2024(en) © ISO/IEC 2024
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ISO/IEC 4922-2:2024(en)
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Published in Switzerland
© ISO/IEC 2024 – All rights reserved
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ISO/IEC 4922-2:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols and abbreviated terms. 3
5 Secure multiparty computation based on secret sharing . 3
5.1 General .3
5.2 Secret sharing . .4
5.3 Secure multiparty computation based on secret sharing .4
6 Addition, subtraction, and multiplication by a constant . 5
6.1 General .5
6.2 Addition .5
6.2.1 Addition for the Shamir secret sharing scheme .5
6.2.2 Addition of a constant for the Shamir secret sharing scheme .6
6.2.3 Addition for the replicated additive secret sharing scheme.6
6.2.4 Addition of a constant for the replicated additive secret sharing scheme .6
6.3 Subtraction.7
6.3.1 Subtraction for the Shamir secret sharing scheme .7
6.3.2 Subtraction of a constant for the Shamir secret sharing scheme .
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