property KeyObject.prototype.type
Depending on the type of this KeyObject, this property is either'secret' for secret (symmetric) keys, 'public' for public (asymmetric) keys
or 'private' for private (asymmetric) keys.
Depending on the type of this KeyObject, this property is either'secret' for secret (symmetric) keys, 'public' for public (asymmetric) keys
or 'private' for private (asymmetric) keys.