return false
	}
	*out = res
	return true
}

const defaultUTCTimeFormatStr = "060102150405Z0700"

// ReadASN1UTCTime decodes an ASN.1 UTCTime into out and advances.
// It reports whether the read was successful.
func (s *String) ReadASN1UTCTime(out *time.Time) bool {
	var bytes String
	if !s.ReadASN1(&bytes, asn1.UTCTime) {
		return false
	}
	t := string(bytes)

	ai.Parameters.FullBytes = params
	return ai, nil
}

func parseTime(der *cryptobyte.String) (time.Time, error) {
	var t time.Time
	switch {
	case der.PeekASN1Tag(cryptobyte_asn1.UTCTime):
		if !der.ReadASN1UTCTime(&t) {
			return t, errors.New("x509: malformed UTCTime")
		}
	case der.PeekASN1Tag(cryptobyte_asn1.GeneralizedTime):
		if !der.ReadASN1GeneralizedTime(&t) {
			return t, errors.New("x509: malformed GeneralizedTime")