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/* Kernel runtime algorithm handling interface definitions
* Author: JuanJo Ciarlante <jjo-ipsec@mendoza.gov.ar>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* RCSID $Id: kernel_alg.h 3252 2007-10-06 21:24:50Z andreas $
*/
#ifndef _KERNEL_ALG_H
#define _KERNEL_ALG_H
#include "alg_info.h"
#include "spdb.h"
/* status info */
extern void kernel_alg_show_status(void);
void kernel_alg_show_connection(struct connection *c, const char *instance);
/* Registration messages from pluto */
extern void kernel_alg_register_pfkey(const struct sadb_msg *msg, int buflen);
/* ESP interface */
extern struct sadb_alg *kernel_alg_esp_sadb_alg(u_int alg_id);
extern u_int kernel_alg_esp_ivlen(u_int alg_id);
extern bool kernel_alg_esp_enc_ok(u_int alg_id, u_int key_len, struct alg_info_esp *nfo);
extern bool kernel_alg_esp_ok_final(u_int ealg, u_int key_len, u_int aalg, struct alg_info_esp *alg_info);
extern u_int kernel_alg_esp_enc_keylen(u_int alg_id);
extern bool kernel_alg_esp_auth_ok(u_int auth, struct alg_info_esp *nfo);
extern u_int kernel_alg_esp_auth_keylen(u_int auth);
extern int kernel_alg_proc_read(void);
extern void kernel_alg_list(void);
/* get sadb_alg for passed args */
extern const struct sadb_alg * kernel_alg_sadb_alg_get(int satype, int exttype, int alg_id);
extern struct db_context * kernel_alg_db_new(struct alg_info_esp *ai, lset_t policy);
struct esp_info * kernel_alg_esp_info(int esp_id, int auth_id);
#endif /* _KERNEL_ALG_H */
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