/* Internal function. Register all the ciphers included in
CIPHER_TABLE. Note, that this function gets only used by the macro
REGISTER_DEFAULT_CIPHERS which protects it using a mutex. */
static void
cipher_register_default (void)
{
gcry_err_code_t err = GPG_ERR_NO_ERROR;
int i;
for (i = 0; !err && cipher_table[i].cipher; i++)
{
if (! cipher_table[i].cipher->setkey)
cipher_table[i].cipher->setkey = dummy_setkey;
if (! cipher_table[i].cipher->encrypt)
cipher_table[i].cipher->encrypt = dummy_encrypt_block;
if (! cipher_table[i].cipher->decrypt)
cipher_table[i].cipher->decrypt = dummy_decrypt_block;
if (! cipher_table[i].cipher->stencrypt)
cipher_table[i].cipher->stencrypt = dummy_encrypt_stream;
if (! cipher_table[i].cipher->stdecrypt)
cipher_table[i].cipher->stdecrypt = dummy_decrypt_stream;
if ( fips_mode () && !cipher_table[i].fips_allowed )
continue;
err = _gcry_module_add (&ciphers_registered,
cipher_table[i].algorithm,
(void *) cipher_table[i].cipher,
(void *) cipher_table[i].extraspec,
NULL);
}
if (err)
BUG ();
}
/* Register a new cipher module whose specification can be found in
CIPHER. On success, a new algorithm ID is stored in ALGORITHM_ID
and a pointer representhing this module is stored in MODULE. */
gcry_error_t
_gcry_cipher_register (gcry_cipher_spec_t *cipher,
cipher_extra_spec_t *extraspec,
int *algorithm_id,
gcry_module_t *module)
{
gcry_err_code_t err = 0;
gcry_module_t mod;
/* We do not support module loading in fips mode. */
if (fips_mode ())
return gpg_error (GPG_ERR_NOT_SUPPORTED);
ath_mutex_lock (&ciphers_registered_lock);
err = _gcry_module_add (&ciphers_registered, 0,
(void *)cipher,
(void *)(extraspec? extraspec : &dummy_extra_spec),
&mod);
ath_mutex_unlock (&ciphers_registered_lock);
if (! err)
{
*module = mod;
*algorithm_id = mod->mod_id;
}
return gcry_error (err);
}
/* Register a new cipher module whose specification can be found in
CIPHER. On success, a new algorithm ID is stored in ALGORITHM_ID
and a pointer representhing this module is stored in MODULE. */
gcry_error_t
gcry_cipher_register (gcry_cipher_spec_t *cipher,
int *algorithm_id,
gcry_module_t *module)
{
gcry_err_code_t err = 0;
gcry_module_t mod;
ath_mutex_lock (&ciphers_registered_lock);
err = _gcry_module_add (&ciphers_registered, 0,
(void *) cipher, &mod);
ath_mutex_unlock (&ciphers_registered_lock);
if (! err)
{
*module = mod;
*algorithm_id = mod->mod_id;
}
return gcry_error (err);
}