// GetSerialNumberHex returns the certificate's serial number in hex format
func (c *Certificate) GetSerialNumberHex() (serial string) {
asn1_i := C.X509_get_serialNumber(c.x)
bignum := C.ASN1_INTEGER_to_BN(asn1_i, nil)
hex := C.BN_bn2hex(bignum)
serial = C.GoString(hex)
C.BN_free(bignum)
C.OPENSSL_free_not_a_macro(unsafe.Pointer(hex))
return
}
func getCertificate(asn1Data []byte, x509 *C.X509) (*Certificate, error) {
cert := &Certificate{}
cert.x509 = x509
// certificate raw data
cert.Raw = asn1Data
// certificate version (zero indexed)
cert.Version = int(C.X509_get_version_no_macro(cert.x509)) + 1
// certificate serial number
cert.SerialNumber = big.NewInt(int64(C.ASN1_INTEGER_get(C.X509_get_serialNumber(cert.x509))))
// TODO(runcom): store in pkix.Name
// certificate subject
cert.Subject = C.GoString(C.X509_NAME_oneline(C.X509_get_subject_name(cert.x509), nil, 0))
// TODO(runcom): store in pkix.Name
// certificate issuer
cert.Issuer = C.GoString(C.X509_NAME_oneline(C.X509_get_issuer_name(cert.x509), nil, 0))
return cert, nil
}
// SetSerial sets the serial of a certificate.
func (c *Certificate) SetSerial(serial int) error {
if C.ASN1_INTEGER_set(C.X509_get_serialNumber(c.x), C.long(serial)) != 1 {
return errors.New("failed to set serial")
}
return nil
}