registry.h

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/* 2025-2026 Quantum Resistant Cryptographic Solutions Corporation
 * All Rights Reserved.
 *
 * UDIF Implementation (Universal Digital Identification Framework)
 * Based on UDIF Specification Revision 1a, September 05, 2025
 *
 * Written by: John G. Underhill
 * Contact: contact@qrcscorp.ca
 */
 
#ifndef UDIFREGISTRY_H
#define UDIFREGISTRY_H
 
#include "udif.h"
#include "object.h"
 
#include "udif.h"
#include "object.h"


#define UDIF_REGISTRY_DEFAULT_CAPACITY 1024U

#define UDIF_REGISTRY_MAX_CAPACITY 1048576U

UDIF_EXPORT_API typedef struct udif_merkle_node
{
    uint8_t hash[UDIF_CRYPTO_HASH_SIZE];       
    bool isleft;                              
} udif_merkle_node;

UDIF_EXPORT_API typedef struct udif_registry_state
{
    uint8_t ownerser[UDIF_SERIAL_NUMBER_SIZE];   
    qsc_keccak_state mstate;                    
    uint8_t* objdigests;                      
    uint8_t* objserials;                      
    size_t objcount;                            
    size_t capacity;                            
    bool initialized;                           
} udif_registry_state;
 

UDIF_EXPORT_API udif_errors udif_registry_add_object(udif_registry_state* reg, const udif_object* obj);

UDIF_EXPORT_API size_t udif_registry_get_capacity(const udif_registry_state* reg);

UDIF_EXPORT_API void udif_registry_clear(udif_registry_state* reg);

UDIF_EXPORT_API udif_errors udif_registry_compute_root(uint8_t* root, const udif_registry_state* reg);

UDIF_EXPORT_API void udif_registry_dispose(udif_registry_state* reg);

UDIF_EXPORT_API bool udif_registry_find_object(const udif_registry_state* reg, const uint8_t* serial, size_t* index);

UDIF_EXPORT_API udif_errors udif_registry_generate_proof(uint8_t* proof, size_t* prooflen, const udif_registry_state* reg, const uint8_t* serial);

UDIF_EXPORT_API size_t udif_registry_get_count(const udif_registry_state* reg);

UDIF_EXPORT_API udif_errors udif_registry_get_digest_at(uint8_t* digest, const udif_registry_state* reg, size_t index);

UDIF_EXPORT_API udif_errors udif_registry_initialize(udif_registry_state* reg, const uint8_t* ownerser, size_t capacity);

UDIF_EXPORT_API bool udif_registry_is_full(const udif_registry_state* reg);

UDIF_EXPORT_API udif_errors udif_registry_remove_object(udif_registry_state* reg, const uint8_t* serial);

UDIF_EXPORT_API udif_errors udif_registry_resize(udif_registry_state* reg, size_t newcapacity);

UDIF_EXPORT_API udif_errors udif_registry_update_object(udif_registry_state* reg, const udif_object* obj);

UDIF_EXPORT_API bool udif_registry_verify_proof(const uint8_t* proof, size_t prooflen, const uint8_t* root, const uint8_t* objdigest);
 
#endif