split key

Meaning

1. noun A key split at one end like a split pin, for the same purpose.
2. noun A key value used to identify where to split the children of a parent node in a B-tree or similar data structure.
3. noun A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.

Similar words

skeleton key keyway master key split pin cotter pin lockpin bump key fin key passkey hook pin