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/**
* @file
* X.509 module documentation file.
*/
/**
* @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.
*/