1 /** 2 * \file doc_x509.h 3 * 4 * \brief X.509 module documentation file. 5 */ 6 /* 7 * 8 * Copyright The Mbed TLS Contributors 9 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 10 */ 11 12 /** 13 * @addtogroup x509_module X.509 module 14 * 15 * The X.509 module provides X.509 support for reading, writing and verification 16 * of certificates. 17 * In summary: 18 * - X.509 certificate (CRT) reading (see \c mbedtls_x509_crt_parse(), 19 * \c mbedtls_x509_crt_parse_der(), \c mbedtls_x509_crt_parse_file()). 20 * - X.509 certificate revocation list (CRL) reading (see 21 * \c mbedtls_x509_crl_parse(), \c mbedtls_x509_crl_parse_der(), 22 * and \c mbedtls_x509_crl_parse_file()). 23 * - X.509 certificate signature verification (see \c 24 * mbedtls_x509_crt_verify() and \c mbedtls_x509_crt_verify_with_profile(). 25 * - X.509 certificate writing and certificate request writing (see 26 * \c mbedtls_x509write_crt_der() and \c mbedtls_x509write_csr_der()). 27 * 28 * This module can be used to build a certificate authority (CA) chain and 29 * verify its signature. It is also used to generate Certificate Signing 30 * Requests and X.509 certificates just as a CA would do. 31 */ 32