func (kt sbKeyType) IsValid() bool {
	switch kt {
	case SBKeyTypeGPGKeys, SBKeyTypeSignedByGPGKeys,
		SBKeyTypeX509Certificates, SBKeyTypeSignedByX509CAs:
		return true
	default:
		return false
	}
}
func (kt sbKeyType) IsValid() bool {
	switch kt {
	case SBKeyTypeGPGKeys, SBKeyTypeSignedByGPGKeys,
		SBKeyTypeX509Certificates, SBKeyTypeSignedByX509CAs:
		return true
	default:
		return false
	}
}
func ( kt sbKeyType ) IsValid ( ) bool { switch kt { case SBKeyTypeGPGKeys , SBKeyTypeSignedByGPGKeys , SBKeyTypeX509Certificates , SBKeyTypeSignedByX509CAs : return true default : return false } }
// IsValid returns true iff kt is a recognized value
IsValid returns true iff kt is a recognized value