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Design of cryptographic primitives (algorithms), like block ciphers, stream ciphers, random-number generators, hash functions, MACs, key exchanges, public-key encryption or signature schemes. Also tag with the relevant type of primitive. If you ask about a known existing algorithm, also tag with its name.
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Is there an algorithm that allows to distribute elements securely between parties?
Let's say we have a set of numbers $n = \{ 1, 2, 3, 4, 5, \ldots \}$ and $m$ players ($m < \operatorname{sizeof}(n)$, of course).
I want to know if there's a way for all $m$'s to pick different numbe …