SHARE.OUT
Split
Idle. k must be ≤ n.
{LAB.08} Split
No one holds the master. A quorum does.
Shamir sharing over GF(256). Default: five slips, any three reconstruct. One slip in a drawer, one with family, one with counsel — none of them is the secret. Lose too many and it is gone. That is the point.
SHARE.IN
Join
Need at least k distinct shares of the same secret.