Struct authenticator

server/auth/code/auth_code.go:20–26

authenticator is a singleton instance of the authenticator.

// authenticator is a singleton instance of the authenticator.
type authenticator struct {
	name         string
	codeLength   int
	maxCodeValue *big.Int
	lifetime     time.Duration
	maxRetries   int
}

// Init initializes the authenticator: parses the config and sets internal state.
func (ca *authenticator) Init(jsonconf json.RawMessage, name string) error {