/* Encrypt the encoded SPA data.
*/
int
fko_encrypt_spa_data(fko_ctx_t ctx, const char * const enc_key,
const int enc_key_len)
{
int res = 0;
/* Must be initialized
*/
if(!CTX_INITIALIZED(ctx))
return(FKO_ERROR_CTX_NOT_INITIALIZED);
if(enc_key_len < 0)
return(FKO_ERROR_INVALID_KEY_LEN);
/* If there is no encoded data or the SPA data has been modified,
* go ahead and re-encode here.
*/
if(ctx->encoded_msg == NULL || FKO_IS_SPA_DATA_MODIFIED(ctx))
res = fko_encode_spa_data(ctx);
if(res != FKO_SUCCESS)
return(res);
/* Croak on invalid encoded message as well. At present this is a
* check for a somewhat arbitrary minimum length for the encoded
* data.
*/
if (! is_valid_encoded_msg_len(ctx->encoded_msg_len))
return(FKO_ERROR_MISSING_ENCODED_DATA);
/* Encrypt according to type and return...
*/
if(ctx->encryption_type == FKO_ENCRYPTION_RIJNDAEL)
{
if(enc_key == NULL)
return(FKO_ERROR_INVALID_KEY_LEN);
res = _rijndael_encrypt(ctx, enc_key, enc_key_len);
}
else if(ctx->encryption_type == FKO_ENCRYPTION_GPG)
#if HAVE_LIBGPGME
res = gpg_encrypt(ctx, enc_key);
#else
res = FKO_ERROR_UNSUPPORTED_FEATURE;
#endif
else
/* encode_spa_data
*/
static PyObject *
encode_spa_data(PyObject *self, PyObject *args)
{
fko_ctx_t ctx;
int res;
if(!PyArg_ParseTuple(args, "k", &ctx))
return NULL;
res = fko_encode_spa_data(ctx);
if(res != FKO_SUCCESS)
{
PyErr_SetString(FKOError, fko_errstr(res));
return NULL;
}
return Py_BuildValue("", NULL);
}