INNER CODE UNIT · Go

func

go-piv/piv-go · v2/piv/key.go:163

func (a *Attestation) addExt(e pkix.Extension) error {
	if e.Id.Equal(extIDFirmwareVersion) {
		if len(e.Value) != 3 {
			return fmt.Errorf("expected 3 bytes for firmware version, got: %d", len(e.Value))
		}
		a.Version = Version{
			Major: int(e.Value[0]),
			Minor: int(e.Value[1]),
			Patch: int(e.Value[2]),
		}
	} else if e.Id.Equal(extIDSerialNumber) {
		var serial int64
		if _, err := asn1.Unmarshal(e.Value, &serial); err != nil {
			return fmt.Errorf("parsing serial number: %v", err)
		}
		if serial < 0 {
			return fmt.Errorf("serial number was negative: %d", serial)
		}

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