registration

const (
	// SecretLen is the length of a session secret. The secret keeps the ID
	// from being computable by anyone who learns the public key, and the relay
	// refuses any other length.
	SecretLen = 16
	// IDLen is the length of a derived session ID. It matches the shape of
	// random IDs the relay issues today, so connect strings and tooling don't
	// change.
	IDLen = 20 // the shape of uniuri.NewLen(uniuri.UUIDLen)

	// RefusedProof is what the relay sends when it refuses a registration's
	// proof. The host classifies this refusal by this exact text, so it is
	// part of the wire contract.
	RefusedProof = "upterm: session proof refused"
	// Superseded is what the relay sends when a newer registration supersedes
	// an older one. The host classifies this refusal by this exact text, so it
	// is part of the wire contract.
	Superseded = "upterm: superseded by a newer registration"
)