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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 */
/** */
/** Transport Layer Security (TLS) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SECURE_SOURCE_CODE
#include "nx_secure_tls.h"
#include "nx_secure_x509.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_tls_trusted_certificate_add PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function adds an initialized NX_SECURE_TLS_CERTIFICATE to a */
/* TLS session for use as a trusted Root Certificate - the certificate */
/* is used to verify incoming certificates from the remote host, by */
/* matching the incoming certificate's Issuer Common Name field with */
/* that of the certificates in the Trusted Store to find the trusted */
/* key used to verify that the incoming certificate is valid. */
/* The function may be called repeatedly to add multiple certificates */
/* to the internal linked-list. */
/* */
/* INPUT */
/* */
/* tls_session Pointer to TLS Session */
/* certificate Pointer to certificate */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* tx_mutex_get Get protection mutex */
/* tx_mutex_put Put protection mutex */
/* [nx_secure_trusted_certificate_add] Add certificate to trusted */
/* store */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_secure_tls_trusted_certificate_add(NX_SECURE_TLS_SESSION *tls_session,
NX_SECURE_X509_CERT *certificate)
{
#ifndef NX_SECURE_DISABLE_X509
UINT status;
/* Get the protection. */
tx_mutex_get(&_nx_secure_tls_protection, TX_WAIT_FOREVER);
/* Assign the TLS Session metadata areas to the certificate for later use. */
certificate -> nx_secure_x509_public_cipher_metadata_area = tls_session -> nx_secure_public_cipher_metadata_area;
certificate -> nx_secure_x509_public_cipher_metadata_size = tls_session -> nx_secure_public_cipher_metadata_size;
certificate -> nx_secure_x509_hash_metadata_area = tls_session -> nx_secure_hash_mac_metadata_area;
certificate -> nx_secure_x509_hash_metadata_size = tls_session -> nx_secure_hash_mac_metadata_size;
/* Assign the cipher table from the parent TLS session. */
certificate -> nx_secure_x509_cipher_table = tls_session -> nx_secure_tls_crypto_table -> nx_secure_tls_x509_cipher_table;
certificate -> nx_secure_x509_cipher_table_size = tls_session -> nx_secure_tls_crypto_table -> nx_secure_tls_x509_cipher_table_size;
/* Add the certificate to the TLS session credentials X509 store. */
status = tls_session -> nx_secure_trusted_certificate_add(&tls_session -> nx_secure_tls_credentials.nx_secure_tls_certificate_store, certificate);
/* Release the protection. */
tx_mutex_put(&_nx_secure_tls_protection);
return(status);
#else
NX_PARAMETER_NOT_USED(tls_session);
NX_PARAMETER_NOT_USED(certificate);
return(NX_NOT_SUPPORTED);
#endif
}
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