C++ (Cpp) _gnutls_x509_pk_to_oid Examples

Example #1

File: common.c Project: MihirKulkarni/TLS_extension

/* Encodes and copies the private key parameters into a
 * subjectPublicKeyInfo structure.
 *
 */
int
_gnutls_x509_encode_and_copy_PKI_params (ASN1_TYPE dst,
                                         const char *dst_name,
                                         gnutls_pk_algorithm_t
                                         pk_algorithm, gnutls_pk_params_st * params)
{
  const char *pk;
  gnutls_datum_t der = { NULL, 0 };
  int result;
  char name[128];

  pk = _gnutls_x509_pk_to_oid (pk_algorithm);
  if (pk == NULL)
    {
      gnutls_assert ();
      return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
    }

  /* write the OID
   */
  _asnstr_append_name (name, sizeof (name), dst_name, ".algorithm.algorithm");

  result = asn1_write_value (dst, name, pk, 1);
  if (result != ASN1_SUCCESS)
    {
      gnutls_assert ();
      return _gnutls_asn2err (result);
    }

  result = _gnutls_x509_write_pubkey_params (pk_algorithm, params, &der);
  if (result < 0)
    {
      gnutls_assert ();
      return result;
    }

  _asnstr_append_name (name, sizeof (name), dst_name,
                       ".algorithm.parameters");

  result = asn1_write_value (dst, name, der.data, der.size);

  _gnutls_free_datum (&der);

  if (result != ASN1_SUCCESS)
    {
      gnutls_assert ();
      return _gnutls_asn2err (result);
    }

  result = _gnutls_x509_write_pubkey (pk_algorithm, params, &der);
  if (result < 0)
    {
      gnutls_assert ();
      return result;
    }

  /* Write the DER parameters. (in bits)
   */
  _asnstr_append_name (name, sizeof (name), dst_name,
                       ".subjectPublicKey");
  result = asn1_write_value (dst, name, der.data, der.size * 8);
  _gnutls_free_datum (&der);

  if (result != ASN1_SUCCESS)
    {
      gnutls_assert ();
      return _gnutls_asn2err (result);
    }

  return 0;
}

Example #2

File: common.c Project: justinc1985/IntelRangeley

/* Encodes and copies the private key parameters into a
 * subjectPublicKeyInfo structure.
 *
 */
int
_gnutls_x509_encode_and_copy_PKI_params (ASN1_TYPE dst,
        const char *dst_name,
        gnutls_pk_algorithm_t
        pk_algorithm, bigint_t * params,
        int params_size)
{
    const char *pk;
    gnutls_datum_t der = { NULL, 0 };
    int result;
    char name[128];

    pk = _gnutls_x509_pk_to_oid (pk_algorithm);
    if (pk == NULL)
    {
        gnutls_assert ();
        return GNUTLS_E_UNKNOWN_PK_ALGORITHM;
    }

    /* write the OID
     */
    _asnstr_append_name (name, sizeof (name), dst_name, ".algorithm.algorithm");

    result = asn1_write_value (dst, name, pk, 1);
    if (result != ASN1_SUCCESS)
    {
        gnutls_assert ();
        return _gnutls_asn2err (result);
    }

    if (pk_algorithm == GNUTLS_PK_RSA)
    {
        /* disable parameters, which are not used in RSA.
         */
        _asnstr_append_name (name, sizeof (name), dst_name,
                             ".algorithm.parameters");

        result = asn1_write_value (dst, name, ASN1_NULL, ASN1_NULL_SIZE);
        if (result != ASN1_SUCCESS)
        {
            gnutls_assert ();
            return _gnutls_asn2err (result);
        }

        result = _gnutls_x509_write_rsa_params (params, params_size, &der);
        if (result < 0)
        {
            gnutls_assert ();
            return result;
        }

        /* Write the DER parameters. (in bits)
         */
        _asnstr_append_name (name, sizeof (name), dst_name,
                             ".subjectPublicKey");
        result = asn1_write_value (dst, name, der.data, der.size * 8);

        _gnutls_free_datum (&der);

        if (result != ASN1_SUCCESS)
        {
            gnutls_assert ();
            return _gnutls_asn2err (result);
        }
    }
    else if (pk_algorithm == GNUTLS_PK_DSA)
    {

        result = _gnutls_x509_write_dsa_params (params, params_size, &der);
        if (result < 0)
        {
            gnutls_assert ();
            return result;
        }

        /* Write the DER parameters.
         */
        _asnstr_append_name (name, sizeof (name), dst_name,
                             ".algorithm.parameters");
        result = asn1_write_value (dst, name, der.data, der.size);

        _gnutls_free_datum (&der);

        if (result != ASN1_SUCCESS)
        {
            gnutls_assert ();
            return _gnutls_asn2err (result);
        }

        result = _gnutls_x509_write_dsa_public_key (params, params_size, &der);
        if (result < 0)
        {
            gnutls_assert ();
            return result;
        }

        _asnstr_append_name (name, sizeof (name), dst_name,
                             ".subjectPublicKey");
        result = asn1_write_value (dst, name, der.data, der.size * 8);

        _gnutls_free_datum (&der);

        if (result != ASN1_SUCCESS)
        {
            gnutls_assert ();
            return _gnutls_asn2err (result);
        }

    }
    else
        return GNUTLS_E_UNIMPLEMENTED_FEATURE;

    return 0;
}