NewService returns a new instance of Service.

Approver represents an entity that provides authorization for the release of the protected data.

Collector represents an entity that collects sensitive data.

Handler represents an entity that is permitted to request the release of protected data.

ErrNotAllowed is returned when a subject DID is not allowed to proceed under the given policy.

Policy contains policy configuration for storing and releasing protected data.

Service works with policy configurations.

Role is a role of entity represented by DID.