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/*
* Ouroboros - Copyright (C) 2016 - 2024
*
* Ouroboros Allocation Protocol (OAP) Component
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_IRMD_OAP_H
#define OUROBOROS_IRMD_OAP_H
#include <ouroboros/crypt.h>
#include <ouroboros/flow.h>
#include <ouroboros/name.h>
#include <ouroboros/utils.h>
/* OAP authentication state (in oap/auth.c) */
int oap_auth_init(void);
void oap_auth_fini(void);
int oap_auth_add_ca_crt(void * crt);
/*
* Prepare OAP request header for server, returns context
* Passes client data for srv, returns srv data for client
*/
int oap_cli_prepare(void ** ctx,
const struct name_info * info,
buffer_t * req_buf,
buffer_t data);
/*
* Server processes header, creates response header, returns secret key.
* data is in/out: input=srv data to send, output=cli data received.
*/
int oap_srv_process(const struct name_info * info,
buffer_t req_buf,
buffer_t * rsp_buf,
buffer_t * data,
struct crypt_sk * sk);
/* Complete OAP, returns secret key and server data, frees ctx */
int oap_cli_complete(void * ctx,
const struct name_info * info,
buffer_t rsp_buf,
buffer_t * data,
struct crypt_sk * sk);
/* Free OAP state (on failure before complete) */
void oap_ctx_free(void * ctx);
#endif /* OUROBOROS_IRMD_OAP_H */
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