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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Secure Component */
/** */
/** X.509 Digital Certificates */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SECURE_SOURCE_CODE
#include "nx_secure_x509.h"
#ifdef NX_SECURE_ENABLE_ECC_CIPHERSUITE
/* Supported named curves. */
const USHORT *_nx_secure_x509_ecc_supported_groups;
/* Number of supported named curves. */
USHORT _nx_secure_x509_ecc_supported_groups_count;
/* Corresponding crypto methods for the supported named curve. */
const NX_CRYPTO_METHOD **_nx_secure_x509_ecc_curves;
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_x509_find_curve_method PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function finds the curve method for the specified named curve */
/* ID. */
/* */
/* INPUT */
/* */
/* named_curve Named curve ID */
/* curve_method Pointer to hold the curve */
/* method */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _nx_secure_x509_certificate_verify Verify a certificate */
/* _nx_secure_x509_crl_verify Verify revocation list */
/* */
/**************************************************************************/
UINT _nx_secure_x509_find_curve_method(USHORT named_curve, const NX_CRYPTO_METHOD **curve_method)
{
USHORT i;
/* Find out the curve method for the named curve. */
for (i = 0; i < _nx_secure_x509_ecc_supported_groups_count; i++)
{
if (named_curve == _nx_secure_x509_ecc_supported_groups[i])
{
*curve_method = _nx_secure_x509_ecc_curves[i];
return(NX_SECURE_X509_SUCCESS);
}
}
*curve_method = NX_CRYPTO_NULL;
return(NX_CRYTPO_MISSING_ECC_CURVE);
}
#endif /* NX_SECURE_ENABLE_ECC_CIPHERSUITE */
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