auth

var (
	// ErrInvalidReplayLimit indicates a non-positive replay-cache capacity.
	ErrInvalidReplayLimit = errors.New("invalid replay cache limit")
	// ErrInvalidNonce indicates an unset handshake nonce.
	ErrInvalidNonce = errors.New("invalid nonce")
	// ErrReplay indicates a nonce already retained by the cache.
	ErrReplay = errors.New("replayed nonce")
	// ErrReplayCacheFull indicates admission would exceed the bounded cache.
	ErrReplayCacheFull = errors.New("replay cache full")
	// ErrTimestampOutsideWindow indicates stale or excessively future authentication time.
	ErrTimestampOutsideWindow = errors.New("timestamp outside authentication window")
)