NewFileStore returns a GetSetDeleter that stores values in a /requests subdirectory.

NewMemoryStore returns a GetSetDeleter that only stores values in memory.

NewNoneStore returns a GetSetDeleter that does not store anything.

NewStore returns a net GetSetDeleter that is backed by the specified storage.

StorageTypes contains all implemented storage types.

RequestInfo contains information on a signing request.

GetSetDeleter provides a persistent map from []byte nonces to openpgp.Entities.