x509pem.h

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/* 2020-2026 Quantum Resistant Cryptographic Solutions Corporation
 * All Rights Reserved.
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 * CRYPTOGRAPHIC ALGORITHMS AND IMPLEMENTATIONS:
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 *   algorithms that are standardized or in the public domain, such as AES
 *   and SHA-3, which are not proprietary to QRCS.
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 *   algorithms designed by QRCS, including but not limited to RCS, SCB, CSX, QMAC, and
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 *   Public Research and Evaluation License (QRCS-PREL), 2025-2026.
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 * FULL LICENSE:
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 * Written by: John G. Underhill
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 */
 
#ifndef QSC_X509_PEM_H
#define QSC_X509_PEM_H
 
#include "qsccommon.h"
#include "x509cert.h"
#include "x509crl.h"
#include "x509csr.h"
#include "x509key.h"
#include "x509types.h"
 
QSC_CPLUSPLUS_ENABLED_START


#define QSC_X509_PEM_DER_MAX 16384U

#define QSC_X509_PEM_BINARY_MAX 8192U

#define QSC_X509_PEM_TEXT_MAX ((((QSC_X509_PEM_BINARY_MAX + 2U) / 3U) * 4U) + 512U)

QSC_EXPORT_API qsc_asn1_status qsc_x509_certificate_decode_pem(const char* pem, size_t pemlen, qsc_x509_certificate* certificate);

QSC_EXPORT_API void qsc_x509_chain_free(qsc_x509_chain* chain);

QSC_EXPORT_API void qsc_x509_store_free(qsc_x509_store* store);

QSC_EXPORT_API qsc_asn1_status qsc_x509_chain_decode_pem_bundle(const char* pem, size_t pemlen, qsc_x509_certificate* certificates, size_t certcount, qsc_x509_chain* chain);

QSC_EXPORT_API qsc_asn1_status qsc_x509_store_load_pem_bundle(const char* pem, size_t pemlen, qsc_x509_trust_anchor* anchors, size_t anchorcount, qsc_x509_store* store);

QSC_EXPORT_API qsc_asn1_status qsc_x509_csr_decode_pem_from_bundle(const char* pem, size_t pemlen, qsc_x509_csr* csr);

QSC_EXPORT_API qsc_asn1_status qsc_x509_crl_decode_pem(const char* pem, size_t pemlen, qsc_x509_crl* crl);

QSC_EXPORT_API qsc_asn1_status qsc_x509_private_key_decode_pem_from_bundle(const char* pem, size_t pemlen, qsc_x509_private_key* key);

QSC_EXPORT_API qsc_asn1_status qsc_x509_private_key_decode_sec1_pem_from_bundle(const char* pem, size_t pemlen, qsc_x509_private_key* key);

QSC_EXPORT_API qsc_asn1_status qsc_x509_private_key_decode_pkcs8_pem_from_bundle(const char* pem, size_t pemlen, qsc_x509_private_key* key);

QSC_EXPORT_API qsc_asn1_status qsc_x509_private_key_decode_pkcs8_pem_ex_from_bundle(const char* pem, size_t pemlen, qsc_x509_algorithm_identifier* algorithm, 
    uint8_t* privatekey, size_t privatekeycapacity, size_t* privatekeylen, uint8_t* publickey, size_t publickeycapacity, size_t* publickeylen, bool* publickeypresent);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_private_key_pkcs8(const uint8_t* der, size_t derlen, char* pem, size_t* pemlen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_private_key_sec1(const uint8_t* der, size_t derlen, char* pem, size_t* pemlen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_private_key_pkcs8_from_key(const qsc_x509_private_key* key, bool includepublickey, 
    char* pem, size_t* pemlen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_private_key_sec1_from_key(const qsc_x509_private_key* key, bool includeparameters, bool includepublickey, char* pem, size_t* pemlen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_certificate(const uint8_t* der, size_t derlen, char* pem, size_t* pemlen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_crl(const uint8_t* der, size_t derlen, char* pem, size_t* pemlen);

QSC_EXPORT_API qsc_asn1_status qsc_x509_pem_encode_csr(const uint8_t* der, size_t derlen, char* pem, size_t* pemlen);
 
QSC_CPLUSPLUS_ENABLED_END
 
#endif