/* Returns the public key of the private key (if possible)
*/
int
_gnutls_privkey_get_public_mpis(gnutls_privkey_t key,
gnutls_pk_params_st * params)
{
int ret;
gnutls_pk_algorithm_t pk =
gnutls_privkey_get_pk_algorithm(key, NULL);
switch (key->type) {
#ifdef ENABLE_OPENPGP
case GNUTLS_PRIVKEY_OPENPGP:
{
gnutls_pk_params_st tmp_params;
uint32_t kid[2];
uint8_t keyid[GNUTLS_OPENPGP_KEYID_SIZE];
ret =
gnutls_openpgp_privkey_get_preferred_key_id
(key->key.openpgp, keyid);
if (ret == 0) {
KEYID_IMPORT(kid, keyid);
ret =
_gnutls_openpgp_privkey_get_mpis(key->
key.
openpgp,
kid,
&tmp_params);
} else
ret =
_gnutls_openpgp_privkey_get_mpis(key->
key.
openpgp,
NULL,
&tmp_params);
if (ret < 0) {
gnutls_assert();
return ret;
}
ret = privkey_to_pubkey(pk, &tmp_params, params);
gnutls_pk_params_release(&tmp_params);
}
break;
#endif
case GNUTLS_PRIVKEY_X509:
ret = privkey_to_pubkey(pk,
&key->key.x509->params, params);
break;
default:
gnutls_assert();
return GNUTLS_E_INVALID_REQUEST;
}
return ret;
}
int
_gnutls_privkey_get_public_mpis(gnutls_privkey_t key,
gnutls_pk_params_st * params)
{
int ret;
gnutls_pk_params_st tmp1;
gnutls_pk_params_init(&tmp1);
ret = _gnutls_privkey_get_mpis(key, &tmp1);
if (ret < 0)
return gnutls_assert_val(ret);
ret = privkey_to_pubkey(key->pk_algorithm, &tmp1, params);
gnutls_pk_params_release(&tmp1);
if (ret < 0)
gnutls_assert();
return ret;
}
/* Returns the public key of the private key (if possible)
*/
int
_gnutls_privkey_get_public_mpis (gnutls_privkey_t key,
bigint_t * params, int *params_size)
{
int ret;
gnutls_pk_algorithm_t pk = gnutls_privkey_get_pk_algorithm (key, NULL);
switch (key->type)
{
#ifdef ENABLE_OPENPGP
case GNUTLS_PRIVKEY_OPENPGP:
{
bigint_t tmp_params[MAX_PRIV_PARAMS_SIZE];
int tmp_params_size = MAX_PRIV_PARAMS_SIZE;
uint32_t kid[2], i;
gnutls_openpgp_keyid_t keyid;
ret =
gnutls_openpgp_privkey_get_preferred_key_id (key->key.openpgp,
keyid);
if (ret == 0)
{
KEYID_IMPORT (kid, keyid);
ret = _gnutls_openpgp_privkey_get_mpis (key->key.openpgp, kid,
tmp_params,
&tmp_params_size);
}
else
ret = _gnutls_openpgp_privkey_get_mpis (key->key.openpgp, NULL,
tmp_params,
&tmp_params_size);
if (ret < 0)
{
gnutls_assert ();
return ret;
}
ret = privkey_to_pubkey (pk,
tmp_params, tmp_params_size,
params, params_size);
for (i = 0; i < tmp_params_size; i++)
_gnutls_mpi_release (&tmp_params[i]);
}
break;
#endif
case GNUTLS_PRIVKEY_X509:
ret = privkey_to_pubkey (pk,
key->key.x509->params,
key->key.x509->params_size, params,
params_size);
break;
default:
gnutls_assert ();
return GNUTLS_E_INVALID_REQUEST;
}
return ret;
}
