Question: Let s be a secret that is L bits long. Tom designed an (n,n) secret sharing scheme using the AND operation. It works in the

Let s be a secret that is L bits long.

Tom designed an (n,n) secret sharing scheme using the AND operation. It works in the following way:

  • To share the secret, the dealer chooses n 1 uniformly random bit strings, d1, ... ,dn1, each di is L bits long. The dealer computes the last share dn = s d1 d2 dn1. The dealer gives di to the ith party.
  • To reconstruct the secret, compute s' = d1 d2 dn1 dn

True/False, this AND based (n,n)-secret sharing scheme is correct, i.e. the secret can always be recovered?

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