Secret sharing allows split/distributed control over the secret (e.g. master
key). Verifiable secret sharing (VSS) is the secret sharing extended by
verification capacity.
Usually verification comes at the price. We propose "free lunch", the
approach that allows to overcome this inconvenience.Comment: This is poster that was presented on ESORICS2002 conference in
Zurich. It consists of 4 color pages, with proposal and flowchart
