certificate.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 STANDAARS:
 * - 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.
 *
 * 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: contact@qrcscorp.ca
 */
 
#ifndef UDIF_CERTIFICATE_H
#define UDIF_CERTIFICATE_H
 
#include "udif.h"

 
 
/* Function Prototypes */

UDIF_EXPORT_API udif_configuration_sets udif_certificate_algorithm_decode(const char* name);

UDIF_EXPORT_API bool udif_certificate_algorithm_enabled(udif_configuration_sets conf);

UDIF_EXPORT_API void udif_certificate_algorithm_encode(char* name, udif_configuration_sets conf);

UDIF_EXPORT_API bool udif_certificate_child_are_equal(const udif_child_certificate* a, const udif_child_certificate* b);

UDIF_EXPORT_API void udif_certificate_child_copy(udif_child_certificate* output, const udif_child_certificate* input);

UDIF_EXPORT_API void udif_certificate_child_create(udif_child_certificate* child, const uint8_t* pubkey, const udif_certificate_expiration* expiration, 
    const char* issuer, udif_network_designations designation, const uint8_t* capability);

UDIF_EXPORT_API bool udif_certificate_child_decode(udif_child_certificate* child, const char enck[UDIF_CHILD_CERTIFICATE_STRING_SIZE]);

UDIF_EXPORT_API void udif_certificate_child_deserialize(udif_child_certificate* child, const uint8_t* input);

UDIF_EXPORT_API size_t udif_certificate_child_encode(char enck[UDIF_CHILD_CERTIFICATE_STRING_SIZE], const udif_child_certificate* child);

UDIF_EXPORT_API void udif_certificate_child_erase(udif_child_certificate* child);

UDIF_EXPORT_API bool udif_certificate_child_file_to_struct(const char* fpath, udif_child_certificate* child);

UDIF_EXPORT_API void udif_certificate_child_hash(uint8_t* output, const udif_child_certificate* child);

UDIF_EXPORT_API bool udif_certificate_child_is_valid(const udif_child_certificate* child);

UDIF_EXPORT_API bool udif_certificate_child_message_verify(uint8_t* message, size_t* msglen, const uint8_t* signature, size_t siglen, const udif_child_certificate* child);

UDIF_EXPORT_API void udif_certificate_child_serialize(uint8_t* output, const udif_child_certificate* child);

UDIF_EXPORT_API bool udif_certificate_signature_hash_verify(const uint8_t* signature, size_t siglen, const uint8_t* message, size_t msglen, const udif_child_certificate* lcert);

UDIF_EXPORT_API bool udif_certificate_child_struct_to_file(const char* fpath, const udif_child_certificate* child);

UDIF_EXPORT_API udif_network_designations udif_certificate_designation_decode(const char* sdsg);

UDIF_EXPORT_API size_t udif_certificate_designation_encode(char* sdsg, udif_network_designations designation);

UDIF_EXPORT_API void udif_certificate_expiration_set_days(udif_certificate_expiration* expiration, uint16_t start, uint16_t duration);

UDIF_EXPORT_API void udif_certificate_expiration_set_seconds(udif_certificate_expiration* expiration, uint64_t start, uint64_t period);

UDIF_EXPORT_API bool udif_certificate_expiration_time_verify(const udif_certificate_expiration* expiration);

UDIF_EXPORT_API size_t udif_certificate_message_hash_sign(uint8_t* signature, const uint8_t* sigkey, const uint8_t* message, size_t msglen);

UDIF_EXPORT_API bool udif_certificate_root_compare(const udif_root_certificate* a, const udif_root_certificate* b);

UDIF_EXPORT_API void udif_certificate_root_create(udif_root_certificate* root, const uint8_t* pubkey, const udif_certificate_expiration* expiration, const char* issuer);

UDIF_EXPORT_API bool udif_certificate_root_decode(udif_root_certificate* root, const char* enck);

UDIF_EXPORT_API void udif_certificate_root_deserialize(udif_root_certificate* root, const uint8_t* input);

UDIF_EXPORT_API size_t udif_certificate_root_encode(char* enck, const udif_root_certificate* root);

UDIF_EXPORT_API void udif_certificate_root_erase(udif_root_certificate* root);

UDIF_EXPORT_API bool udif_certificate_root_file_to_struct(const char* fpath, udif_root_certificate* root);

UDIF_EXPORT_API void udif_certificate_root_hash(uint8_t* output, const udif_root_certificate* root);

UDIF_EXPORT_API void udif_certificate_root_serialize(uint8_t* output, const udif_root_certificate* root);

UDIF_EXPORT_API size_t udif_certificate_root_sign(udif_child_certificate* child, const udif_root_certificate* root, const uint8_t* rsigkey);

UDIF_EXPORT_API bool udif_certificate_root_signature_verify(const udif_child_certificate* child, const udif_root_certificate* root);

UDIF_EXPORT_API bool udif_certificate_root_struct_to_file(const char* fpath, const udif_root_certificate* root);

UDIF_EXPORT_API bool udif_certificate_root_is_valid(const udif_root_certificate* root);

UDIF_EXPORT_API void udif_certificate_signature_generate_keypair(udif_signature_keypair* keypair);

UDIF_EXPORT_API size_t udif_certificate_signature_sign_message(uint8_t* signature, const uint8_t* message, size_t msglen, const uint8_t* prikey);

UDIF_EXPORT_API bool udif_certificate_signature_verify_message(const uint8_t* message, size_t msglen, const uint8_t* signature, size_t siglen, const uint8_t* pubkey);
 
#if defined(UDIF_DEBUG_TESTS_RUN)
UDIF_EXPORT_API bool udif_certificate_functions_test(void);
#endif
 
#endif