client.h

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/* 2025 Quantum Resistant Cryptographic Solutions Corporation
 * All Rights Reserved.
 *
 * NOTICE: This software and all accompanying materials are the exclusive 
 * property of Quantum Resistant Cryptographic Solutions Corporation (QRCS).
 * The intellectual and technical concepts contained within this implementation 
 * are proprietary to QRCS and its authorized licensors and are protected under 
 * applicable U.S. and international copyright, patent, and trade secret laws.
 *
 * CRYPTOGRAPHIC STANDARDS:
 * - This software includes implementations of cryptographic algorithms such as 
 *   SHA3, AES, and others. These algorithms are public domain or standardized 
 *   by organizations such as NIST and are NOT the property of QRCS.
 * - However, all source code, optimizations, and implementations in this library 
 *   are original works of QRCS and are protected under this license.
 *
 * RESTRICTIONS:
 * - Redistribution, modification, or unauthorized distribution of this software, 
 *   in whole or in part, is strictly prohibited.
 * - This software is provided for non-commercial, educational, and research 
 *   purposes only. Commercial use in any form is expressly forbidden.
 * - Licensing and authorized distribution are solely at the discretion of QRCS.
 * - Any use of this software implies acceptance of these restrictions.
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 * DISCLAIMER:
 * This software is provided "as is," without warranty of any kind, express or 
 * implied, including but not limited to warranties of merchantability or fitness 
 * for a particular purpose. QRCS disclaims all liability for any direct, indirect, 
 * incidental, or consequential damages resulting from the use or misuse of this software.
 *
 * FULL LICENSE:
 * This software is subject to the **Quantum Resistant Cryptographic Solutions 
 * Proprietary License (QRCS-PL)**. The complete license terms are included 
 * in the LICENSE.txt file distributed with this software.
 *
 * Written by: John G. Underhill
 * Contact: john.underhill@protonmail.com
 */
 
#ifndef QSMP_CLIENT_H
#define QSMP_CLIENT_H
 
#include "qsmp.h"
#include "../../QSC/QSC/rcs.h"
#include "../../QSC/QSC/socketclient.h"


 
#if defined(QSMP_ASYMMETRIC_RATCHET)
QSMP_EXPORT_API bool qsmp_duplex_send_asymmetric_ratchet_request(qsmp_connection_state* cns);
#endif

QSMP_EXPORT_API bool qsmp_duplex_send_symmetric_ratchet_request(qsmp_connection_state* cns);

QSMP_EXPORT_API qsmp_errors qsmp_client_duplex_connect_ipv4(const qsmp_server_signature_key* kset, const qsmp_client_verification_key* rverkey, 
    const qsc_ipinfo_ipv4_address* address, uint16_t port, 
    void (*send_func)(qsmp_connection_state*), 
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t));

QSMP_EXPORT_API qsmp_errors qsmp_client_duplex_connect_ipv6(const qsmp_server_signature_key* kset, const qsmp_client_verification_key* rverkey,
    const qsc_ipinfo_ipv6_address* address, uint16_t port,
    void (*send_func)(qsmp_connection_state*),
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t));

QSMP_EXPORT_API qsmp_errors qsmp_client_simplex_connect_ipv4(const qsmp_client_verification_key* pubk, 
    const qsc_ipinfo_ipv4_address* address, uint16_t port, 
    void (*send_func)(qsmp_connection_state*), 
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t));

QSMP_EXPORT_API qsmp_errors qsmp_client_simplex_connect_ipv6(const qsmp_client_verification_key* pubk, 
    const qsc_ipinfo_ipv6_address* address, uint16_t port, 
    void (*send_func)(qsmp_connection_state*), 
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t));

QSMP_EXPORT_API qsmp_errors qsmp_client_simplex_listen_ipv4(const qsmp_server_signature_key* kset, 
    void (*send_func)(qsmp_connection_state*), 
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t));

QSMP_EXPORT_API qsmp_errors qsmp_client_simplex_listen_ipv6(const qsmp_server_signature_key* kset, 
    void (*send_func)(qsmp_connection_state*), 
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t));

QSMP_EXPORT_API qsmp_errors qsmp_client_duplex_listen_ipv4(const qsmp_server_signature_key* kset, 
    void (*send_func)(qsmp_connection_state*),
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t),
    bool (*key_query)(uint8_t* rvkey, const uint8_t* pkid));

QSMP_EXPORT_API qsmp_errors qsmp_client_duplex_listen_ipv6(const qsmp_server_signature_key* kset, 
    void (*send_func)(qsmp_connection_state*),
    void (*receive_callback)(qsmp_connection_state*, const uint8_t*, size_t),
    bool (*key_query)(uint8_t* rvkey, const uint8_t* pkid));
 
 
#endif