func (pk *PubKey) String() string {
	if pk == nil {
		return ""
	}

	s := fmt.Sprintf("%s %s %s", pk.Type.String(), pk.S, pk.Description)

	return strings.TrimSpace(s)
}
// String converts a key to "<type> <key> <description>"
String converts a key to "  "
// String converts a key to " <type > <key > <description > "
func (pk *PubKey) String() string {
	if pk == nil {
		return ""
	}
	s := fmt.Sprintf("%s %s %s", pk.Type.String(), pk.S, pk.Description)
	return strings.TrimSpace(s)
}
func ( pk * PubKey ) String ( ) string { if pk == nil { return " " } s := fmt . Sprintf ( " " , pk . Type . String ( ) , pk . S , pk . Description ) return strings . TrimSpace ( s ) }
String converts a key to "  "
String converts a key to " "