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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>PEM_read_CMS</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body style="background-color: white"> <ul id="index"> <li><a href="#NAME">NAME</a></li> <li><a href="#SYNOPSIS">SYNOPSIS</a></li> <li><a href="#DESCRIPTION">DESCRIPTION</a></li> <li><a href="#NOTES">NOTES</a></li> <li><a href="#RETURN-VALUES">RETURN VALUES</a></li> <li><a href="#SEE-ALSO">SEE ALSO</a></li> <li><a href="#HISTORY">HISTORY</a></li> <li><a href="#COPYRIGHT">COPYRIGHT</a></li> </ul> <h1 id="NAME">NAME</h1> <p>DECLARE_PEM_rw, PEM_read_CMS, PEM_read_bio_CMS, PEM_write_CMS, PEM_write_bio_CMS, PEM_write_DHxparams, PEM_write_bio_DHxparams, PEM_read_ECPKParameters, PEM_read_bio_ECPKParameters, PEM_write_ECPKParameters, PEM_write_bio_ECPKParameters, PEM_read_ECPrivateKey, PEM_write_ECPrivateKey, PEM_write_bio_ECPrivateKey, PEM_read_EC_PUBKEY, PEM_read_bio_EC_PUBKEY, PEM_write_EC_PUBKEY, PEM_write_bio_EC_PUBKEY, PEM_read_NETSCAPE_CERT_SEQUENCE, PEM_read_bio_NETSCAPE_CERT_SEQUENCE, PEM_write_NETSCAPE_CERT_SEQUENCE, PEM_write_bio_NETSCAPE_CERT_SEQUENCE, PEM_read_PKCS8, PEM_read_bio_PKCS8, PEM_write_PKCS8, PEM_write_bio_PKCS8, PEM_write_PKCS8_PRIV_KEY_INFO, PEM_read_bio_PKCS8_PRIV_KEY_INFO, PEM_read_PKCS8_PRIV_KEY_INFO, PEM_write_bio_PKCS8_PRIV_KEY_INFO, PEM_read_SSL_SESSION, PEM_read_bio_SSL_SESSION, PEM_write_SSL_SESSION, PEM_write_bio_SSL_SESSION, PEM_read_X509_PUBKEY, PEM_read_bio_X509_PUBKEY, PEM_write_X509_PUBKEY, PEM_write_bio_X509_PUBKEY - PEM object encoding routines</p> <h1 id="SYNOPSIS">SYNOPSIS</h1> <pre><code> #include <openssl/pem.h> DECLARE_PEM_rw(name, TYPE) TYPE *PEM_read_TYPE(FILE *fp, TYPE **a, pem_password_cb *cb, void *u); TYPE *PEM_read_bio_TYPE(BIO *bp, TYPE **a, pem_password_cb *cb, void *u); int PEM_write_TYPE(FILE *fp, const TYPE *a); int PEM_write_bio_TYPE(BIO *bp, const TYPE *a);</code></pre> <p>The following functions have been deprecated since OpenSSL 3.0, and can be hidden entirely by defining <b>OPENSSL_API_COMPAT</b> with a suitable version value, see <a href="../man7/openssl_user_macros.html">openssl_user_macros(7)</a>:</p> <pre><code> #include <openssl/pem.h> int PEM_write_DHxparams(FILE *out, const DH *dh); int PEM_write_bio_DHxparams(BIO *out, const DH *dh); EC_GROUP *PEM_read_ECPKParameters(FILE *fp, EC_GROUP **x, pem_password_cb *cb, void *u); EC_GROUP *PEM_read_bio_ECPKParameters(BIO *bp, EC_GROUP **x, pem_password_cb *cb, void *u); int PEM_write_ECPKParameters(FILE *out, const EC_GROUP *x); int PEM_write_bio_ECPKParameters(BIO *out, const EC_GROUP *x), EC_KEY *PEM_read_EC_PUBKEY(FILE *fp, EC_KEY **x, pem_password_cb *cb, void *u); EC_KEY *PEM_read_bio_EC_PUBKEY(BIO *bp, EC_KEY **x, pem_password_cb *cb, void *u); int PEM_write_EC_PUBKEY(FILE *out, const EC_KEY *x); int PEM_write_bio_EC_PUBKEY(BIO *out, const EC_KEY *x); EC_KEY *PEM_read_ECPrivateKey(FILE *out, EC_KEY **x, pem_password_cb *cb, void *u); EC_KEY *PEM_read_bio_ECPrivateKey(BIO *out, EC_KEY **x, pem_password_cb *cb, void *u); int PEM_write_ECPrivateKey(FILE *out, const EC_KEY *x, const EVP_CIPHER *enc, const unsigned char *kstr, int klen, pem_password_cb *cb, void *u); int PEM_write_bio_ECPrivateKey(BIO *out, const EC_KEY *x, const EVP_CIPHER *enc, const unsigned char *kstr, int klen, pem_password_cb *cb, void *u);</code></pre> <h1 id="DESCRIPTION">DESCRIPTION</h1> <p>All of the functions described on this page are deprecated. Applications should use OSSL_ENCODER_to_bio() and OSSL_DECODER_from_bio() instead.</p> <p>In the description below, <b><i>TYPE</i></b> is used as a placeholder for any of the OpenSSL datatypes, such as <b>X509</b>. The macro <b>DECLARE_PEM_rw</b> expands to the set of declarations shown in the next four lines of the synopsis.</p> <p>These routines convert between local instances of ASN1 datatypes and the PEM encoding. For more information on the templates, see <a href="../man3/ASN1_ITEM.html">ASN1_ITEM(3)</a>. For more information on the lower-level routines used by the functions here, see <a href="../man3/PEM_read.html">PEM_read(3)</a>.</p> <p><b>PEM_read_<i>TYPE</i></b>() reads a PEM-encoded object of <b><i>TYPE</i></b> from the file <i>fp</i> and returns it. The <i>cb</i> and <i>u</i> parameters are as described in <a href="../man3/pem_password_cb.html">pem_password_cb(3)</a>.</p> <p><b>PEM_read_bio_<i>TYPE</i></b>() is similar to <b>PEM_read_<i>TYPE</i></b>() but reads from the BIO <i>bp</i>.</p> <p><b>PEM_write_<i>TYPE</i></b>() writes the PEM encoding of the object <i>a</i> to the file <i>fp</i>.</p> <p><b>PEM_write_bio_<i>TYPE</i></b>() similarly writes to the BIO <i>bp</i>.</p> <h1 id="NOTES">NOTES</h1> <p>These functions make no assumption regarding the pass phrase received from the password callback. It will simply be treated as a byte sequence.</p> <h1 id="RETURN-VALUES">RETURN VALUES</h1> <p><b>PEM_read_<i>TYPE</i></b>() and <b>PEM_read_bio_<i>TYPE</i></b>() return a pointer to an allocated object, which should be released by calling <b><i>TYPE</i>_free</b>(), or NULL on error.</p> <p><b>PEM_write_<i>TYPE</i></b>() and <b>PEM_write_bio_<i>TYPE</i></b>() return the number of bytes written or zero on error.</p> <h1 id="SEE-ALSO">SEE ALSO</h1> <p><a href="../man3/PEM_read.html">PEM_read(3)</a>, <a href="../man7/passphrase-encoding.html">passphrase-encoding(7)</a></p> <h1 id="HISTORY">HISTORY</h1> <p>The functions PEM_write_DHxparams(), PEM_write_bio_DHxparams(), PEM_read_ECPKParameters(), PEM_read_bio_ECPKParameters(), PEM_write_ECPKParameters(), PEM_write_bio_ECPKParameters(), PEM_read_EC_PUBKEY(), PEM_read_bio_EC_PUBKEY(), PEM_write_EC_PUBKEY(), PEM_write_bio_EC_PUBKEY(), PEM_read_ECPrivateKey(), PEM_read_bio_ECPrivateKey(), PEM_write_ECPrivateKey() and PEM_write_bio_ECPrivateKey() were deprecated in OpenSSL 3.0.</p> <h1 id="COPYRIGHT">COPYRIGHT</h1> <p>Copyright 1998-2021 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p> </body> </html>