QSC Post Quantum Cryptographic Library 1.3.0.0 (C1)
A post quantum secure library written in Ansi C
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tlsecdsader.h
Go to the documentation of this file.
1/* 2020-2026 Quantum Resistant Cryptographic Solutions Corporation
2 * All Rights Reserved.
3 *
4 * NOTICE:
5 * This software and all accompanying materials are the exclusive property of
6 * Quantum Resistant Cryptographic Solutions Corporation (QRCS). The intellectual
7 * and technical concepts contained herein are proprietary to QRCS and are
8 * protected under applicable Canadian, U.S., and international copyright,
9 * patent, and trade secret laws.
10 *
11 * CRYPTOGRAPHIC ALGORITHMS AND IMPLEMENTATIONS:
12 * - This software includes implementations of cryptographic primitives and
13 * algorithms that are standardized or in the public domain, such as AES
14 * and SHA-3, which are not proprietary to QRCS.
15 * - This software also includes cryptographic primitives, constructions, and
16 * algorithms designed by QRCS, including but not limited to RCS, SCB, CSX, QMAC, and
17 * related components, which are proprietary to QRCS.
18 * - All source code, implementations, protocol compositions, optimizations,
19 * parameter selections, and engineering work contained in this software are
20 * original works of QRCS and are protected under this license.
21 *
22 * LICENSE AND USE RESTRICTIONS:
23 * - This software is licensed under the Quantum Resistant Cryptographic Solutions
24 * Public Research and Evaluation License (QRCS-PREL), 2025-2026.
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26 * cryptographic analysis, interoperability testing, and feasibility assessment.
27 * - Commercial use, production deployment, commercial redistribution, or
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30 * - Licensing and authorized distribution are solely at the discretion of QRCS.
31 *
32 * EXPERIMENTAL CRYPTOGRAPHY NOTICE:
33 * Portions of this software may include experimental, novel, or evolving
34 * cryptographic designs. Use of this software is entirely at the user's risk.
35 *
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40 * LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
41 * ARISING FROM THE USE OR MISUSE OF THIS SOFTWARE.
42 *
43 * FULL LICENSE:
44 * This software is subject to the Quantum Resistant Cryptographic Solutions
45 * Public Research and Evaluation License (QRCS-PREL), 2025-2026. The complete license terms
46 * are provided in the accompanying LICENSE file or at https://www.qrcscorp.ca.
47 *
48 * Written by: John G. Underhill
49 * Contact: contact@qrcscorp.ca
50 */
51
52#ifndef QSC_TLS_ECDSA_DER_H
53#define QSC_TLS_ECDSA_DER_H
54
55#include "qsccommon.h"
56#include "tlserrors.h"
57
58QSC_CPLUSPLUS_ENABLED_START
59
77
87QSC_EXPORT_API qsc_tls_status qsc_tls_ecdsa_der_encode(const uint8_t* rs, size_t componentsize,
88 uint8_t* output, size_t outlen, size_t* written);
89
99QSC_EXPORT_API qsc_tls_status qsc_tls_ecdsa_der_decode(const uint8_t* der, size_t derlen,
100 size_t componentsize, uint8_t* output, size_t outlen);
101
102QSC_CPLUSPLUS_ENABLED_END
103
104#endif
qsccommon.h
Contains common definitions for the Quantum Secure Cryptographic (QSC) library.
QSC_EXPORT_API
#define QSC_EXPORT_API
API export macro for Microsoft compilers when importing from a DLL.
Definition qsccommon.h:645
qsc_tls_ecdsa_der_encode
QSC_EXPORT_API qsc_tls_status qsc_tls_ecdsa_der_encode(const uint8_t *rs, size_t componentsize, uint8_t *output, size_t outlen, size_t *written)
DER-encode a raw r||s ECDSA signature.
Definition tlsecdsader.c:108
qsc_tls_ecdsa_der_decode
QSC_EXPORT_API qsc_tls_status qsc_tls_ecdsa_der_decode(const uint8_t *der, size_t derlen, size_t componentsize, uint8_t *output, size_t outlen)
Decode a DER-encoded ECDSA signature into raw r||s form.
Definition tlsecdsader.c:279
tlserrors.h
TLS status code definitions and diagnostic string conversion.
qsc_tls_status
qsc_tls_status
Definition tlserrors.h:65