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/* IKEv1 message contents, for libreswan
*
* Copyright (C) 2016 Andrew Cagney <cagney@gnu.org>
*
* 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 <https://www.gnu.org/licenses/gpl2.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.
*/
#ifndef IKEV1_MESSAGE_H
#define IKEV1_MESSAGE_H
#include "shunk.h"
#include "chunk.h"
struct logger;
struct msg_digest;
struct host_end;
struct pbs_out;
struct state;
struct ike_sa;
struct isakmp_ipsec_id build_v1_id_payload(const struct host_end *end, shunk_t *body);
extern bool out_raw(const void *bytes, size_t len, struct pbs_out *outs, const char *name) MUST_USE_RESULT;
extern bool ikev1_justship_nonce(chunk_t *n, struct pbs_out *outs,
const char *name);
/* calls previous two routines */
extern bool ikev1_ship_nonce(chunk_t *n, chunk_t *nonce,
struct pbs_out *outs, const char *name);
extern v1_notification_t accept_v1_nonce(struct logger *logger,
struct msg_digest *md, chunk_t *dest,
const char *name);
extern bool ikev1_justship_KE(struct logger *logger, chunk_t *g, struct pbs_out *outs);
/* just calls previous two routines now */
extern bool ikev1_ship_KE(struct state *st, struct dh_local_secret *local_secret,
chunk_t *g, struct pbs_out *outs);
bool emit_v1_zero_padding(struct pbs_out *pbs);
bool close_and_encrypt_v1_message(struct ike_sa *ike, struct pbs_out *pbs,
struct crypt_mac *iv);
bool close_v1_message(struct pbs_out *pbs, const struct ike_sa *ike);
/* macros to manipulate IVs in state */
void update_v1_phase_1_iv(struct ike_sa *ike, struct crypt_mac iv, where_t where);
struct crypt_mac new_phase2_iv(const struct ike_sa *ike, const msgid_t msgid,
const char *why, where_t where);
#endif
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