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1 answer
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Best *deterministic* scheme (no SSSS) to turn a secret into 6 shards—with any 2 of these rebuilding the secret

What's the best deterministic scheme (i.e. no Shamir Secret Sharing Scheme) to turn a secret into 6 shards—with any 2 of these shards rebuilding the secret?
2 votes
1 answer
125 views

Share secret non-interactively in a verifiable way

In an application, I need to share a secret (random number) with a Group of known receivers over a public channel (a Blockchain) but each receiver needs to be able to check that the others received ...
6 votes
2 answers
800 views

Do deterministic secret sharing schemes exist?

Are there algorithms for secure secret sharing such that the algorithm depends solely on the value being secured, relying on no randomness in its calculations. If there aren't, is such an algorithm ...