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Threshold Chunking

2021-02-05 15 min read Programming marco
The Problem How do you distribute a file in pieces such that you need exactly a given number of the pieces to rebuild the entire file? This article was inspired by the Shamir Secret Sharing Scheme (SSSS), a cryptographic scheme (process) by which a secret key is shared between $n$ fragments, any $m$ of which can be used to recreate the entire key (n and $m$ being determined at the beginning of the process). Continue reading