x509spki.h

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/* 2020-2026 Quantum Resistant Cryptographic Solutions Corporation
 * All Rights Reserved.
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 * NOTICE:
 * This software and all accompanying materials are the exclusive property of
 * Quantum Resistant Cryptographic Solutions Corporation (QRCS). The intellectual
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 * protected under applicable Canadian, U.S., and international copyright,
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 *
 * CRYPTOGRAPHIC ALGORITHMS AND IMPLEMENTATIONS:
 * - This software includes implementations of cryptographic primitives and
 *   algorithms that are standardized or in the public domain, such as AES
 *   and SHA-3, which are not proprietary to QRCS.
 * - This software also includes cryptographic primitives, constructions, and
 *   algorithms designed by QRCS, including but not limited to RCS, SCB, CSX, QMAC, and
 *   related components, which are proprietary to QRCS.
 * - All source code, implementations, protocol compositions, optimizations,
 *   parameter selections, and engineering work contained in this software are
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 * - This software is licensed under the Quantum Resistant Cryptographic Solutions
 *   Public Research and Evaluation License (QRCS-PREL), 2025-2026.
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 * FULL LICENSE:
 * This software is subject to the Quantum Resistant Cryptographic Solutions
 * Public Research and Evaluation License (QRCS-PREL), 2025-2026. The complete license terms
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 * Written by: John G. Underhill
 * Contact: contact@qrcscorp.ca
 */
 
#ifndef QSC_X509_SPKI_H
#define QSC_X509_SPKI_H
 
#include "qsccommon.h"
#include "x509types.h"
 
QSC_CPLUSPLUS_ENABLED_START


QSC_EXPORT_API qsc_asn1_status qsc_x509_algorithm_identifier_decode(const qsc_encoding_ber_element* element, qsc_x509_algorithm_identifier* algorithm);
 

QSC_EXPORT_API qsc_asn1_status qsc_x509_algorithm_identifier_validate(const qsc_x509_algorithm_identifier* algorithm);

QSC_EXPORT_API qsc_asn1_status qsc_x509_subject_public_key_info_decode(const qsc_encoding_ber_element* element, qsc_x509_subject_public_key_info* spki);

QSC_EXPORT_API qsc_asn1_status qsc_x509_spki_validate(const qsc_x509_subject_public_key_info* spki);

QSC_EXPORT_API bool qsc_x509_spki_is_uncompressed_ec_point(const qsc_x509_subject_public_key_info* spki);

QSC_EXPORT_API size_t qsc_x509_named_curve_coordinate_size(qsc_x509_named_curve curve);

QSC_EXPORT_API size_t qsc_x509_named_curve_public_key_size(qsc_x509_named_curve curve);

QSC_EXPORT_API qsc_asn1_status qsc_x509_spki_get_ec_coordinates(const qsc_x509_subject_public_key_info* spki, uint8_t* x, size_t xlen, uint8_t* y, size_t ylen);

QSC_EXPORT_API void qsc_x509_algorithm_identifier_initialize(qsc_x509_algorithm_identifier* algorithm);

QSC_EXPORT_API void qsc_x509_subject_public_key_info_initialize(qsc_x509_subject_public_key_info* spki);

QSC_EXPORT_API size_t qsc_x509_pqc_public_key_size(qsc_x509_pqc_parameter_set parameterset);

QSC_EXPORT_API bool qsc_x509_algorithm_identifier_is_mldsa(const qsc_x509_algorithm_identifier* algorithm);

QSC_EXPORT_API bool qsc_x509_algorithm_identifier_is_mlkem(const qsc_x509_algorithm_identifier* algorithm);

QSC_EXPORT_API qsc_asn1_status qsc_x509_algorithm_identifier_initialize_mldsa(qsc_x509_algorithm_identifier* algorithm, qsc_x509_pqc_parameter_set parameterset);

QSC_EXPORT_API qsc_asn1_status qsc_x509_algorithm_identifier_initialize_mlkem(qsc_x509_algorithm_identifier* algorithm, qsc_x509_pqc_parameter_set parameterset);

QSC_EXPORT_API qsc_asn1_status qsc_x509_spki_initialize_ec(qsc_x509_subject_public_key_info* spki, qsc_x509_named_curve curve, const uint8_t* publickey, size_t publickeylen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_spki_initialize_ml_dsa(qsc_x509_subject_public_key_info* spki, qsc_x509_pqc_parameter_set parameterset, const uint8_t* publickey, size_t publickeylen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_spki_initialize_ml_kem(qsc_x509_subject_public_key_info* spki, qsc_x509_pqc_parameter_set parameterset, const uint8_t* publickey, size_t publickeylen);
 
QSC_CPLUSPLUS_ENABLED_END
 
#endif