unlock method

void unlock([ String? passphrase ])

Implementation

void unlock([String? passphrase]) {
  if (passphrase != null) {
    _passphrase = passphrase;
  } else {
    if (_passphrase != null) {
      return;
    }
    _passphrase = getEnvPassword(environmentVariableName);
  }
  assert(_passphrase != null);
}