NewRKSyncMessageComparator creates a MessageReplcaingPolicy.

ConnectionInfo represents information about the remote peer.

SignedRKSyncMessage contains a RKSyncMessage and the Envelope from which it came from.

ReceivedMessage is a RKSyncMessage wrapper that enables the user to send a message to the origin from which the ReceivedMessage was sent from.

RKSyncClient is the client API for RKSync service.

RKSyncServer is the server API for RKSync service.

Signer signs a message, and returns (signature, nil) on success, and nil and an error on failure.

Verifier receives a peer identity, a signature and a message and returns nil if the signature on the message could be verified using the given identity.