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/**
* @file
* X.509 module documentation file.
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
/**
* @addtogroup x509_module X.509 module
*
* The X.509 module provides X.509 support which includes:
* - X.509 certificate (CRT) reading (see \c x509parse_crt() and
* \c x509parse_crtfile()).
* - X.509 certificate revocation list (CRL) reading (see \c x509parse_crl()
* and\c x509parse_crlfile()).
* - X.509 (RSA and ECC) private key reading (see \c x509parse_key() and
* \c x509parse_keyfile()).
* - X.509 certificate signature verification (see \c x509parse_verify())
* - X.509 certificate writing and certificate request writing (see
* \c mbedtls_x509write_crt_der() and \c mbedtls_x509write_csr_der()).
*
* This module can be used to build a certificate authority (CA) chain and
* verify its signature. It is also used to generate Certificate Signing
* Requests and X509 certificates just as a CA would do.
*/