cryptography-shamirs-secret-sharing.html
* created: 2025-10-17T16:13
* modified: 2025-10-17T16:40
title
Shamirs secret sharing
description
Sharing a secret key over many entitys.
Shamir's Secret Sharing
This refers to splitting a key K over n entities. Think of nuclear launch codes, where they split a key over 5 generals and you need at least 3 generals to decrypt the launch codes.
- split K over n entitys
- k := {2,...,n-1}; at least k < n entities