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Edit File : X509_CRL_get_ext_d2i.html \| Size : 12.04 KB
<?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>X509V3_get_d2i</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body> <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="#SUPPORTED-EXTENSIONS">SUPPORTED EXTENSIONS</a> <ul> <li><a href="#PKIX-Certificate-Extensions">PKIX Certificate Extensions</a></li> <li><a href="#Netscape-Certificate-Extensions">Netscape Certificate Extensions</a></li> <li><a href="#Miscellaneous-Certificate-Extensions">Miscellaneous Certificate Extensions</a></li> <li><a href="#PKIX-CRL-Extensions">PKIX CRL Extensions</a></li> <li><a href="#OCSP-Extensions">OCSP Extensions</a></li> <li><a href="#Certificate-Transparency-Extensions">Certificate Transparency Extensions</a></li> </ul> </li> <li><a href="#RETURN-VALUES">RETURN VALUES</a></li> <li><a href="#SEE-ALSO">SEE ALSO</a></li> <li><a href="#COPYRIGHT">COPYRIGHT</a></li> </ul> <h1 id="NAME">NAME</h1> <p>X509_get0_extensions, X509_CRL_get0_extensions, X509_REVOKED_get0_extensions, X509V3_get_d2i, X509V3_add1_i2d, X509V3_EXT_d2i, X509V3_EXT_i2d, X509_get_ext_d2i, X509_add1_ext_i2d, X509_CRL_get_ext_d2i, X509_CRL_add1_ext_i2d, X509_REVOKED_get_ext_d2i, X509_REVOKED_add1_ext_i2d - X509 extension decode and encode functions</p> <h1 id="SYNOPSIS">SYNOPSIS</h1> <pre><code> #include <openssl/x509v3.h> void X509V3_get_d2i(const STACK_OF(X509_EXTENSION) x, int nid, int crit, int idx); int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) *x, int nid, void value, int crit, unsigned long flags); void X509V3_EXT_d2i(X509_EXTENSION ext); X509_EXTENSION X509V3_EXT_i2d(int ext_nid, int crit, void ext); void X509_get_ext_d2i(const X509 x, int nid, int crit, int idx); int X509_add1_ext_i2d(X509 x, int nid, void value, int crit, unsigned long flags); void X509_CRL_get_ext_d2i(const X509_CRL crl, int nid, int crit, int idx); int X509_CRL_add1_ext_i2d(X509_CRL crl, int nid, void value, int crit, unsigned long flags); void X509_REVOKED_get_ext_d2i(const X509_REVOKED r, int nid, int crit, int idx); int X509_REVOKED_add1_ext_i2d(X509_REVOKED r, int nid, void value, int crit, unsigned long flags); const STACK_OF(X509_EXTENSION) X509_get0_extensions(const X509 x); const STACK_OF(X509_EXTENSION) X509_CRL_get0_extensions(const X509_CRL crl); const STACK_OF(X509_EXTENSION) X509_REVOKED_get0_extensions(const X509_REVOKED r);</code></pre> <h1 id="DESCRIPTION">DESCRIPTION</h1> <p>X509V3_get_ext_d2i() looks for an extension with OID <b>nid</b> in the extensions <b>x</b> and, if found, decodes it. If <b>idx</b> is <b>NULL</b> then only one occurrence of an extension is permissible otherwise the first extension after index <b>idx</b> is returned and <b>idx</b> updated to the location of the extension. If <b>crit</b> is not <b>NULL</b> then <b>crit</b> is set to a status value: -2 if the extension occurs multiple times (this is only returned if <b>idx</b> is <b>NULL</b>), -1 if the extension could not be found, 0 if the extension is found and is not critical and 1 if critical. A pointer to an extension specific structure or <b>NULL</b> is returned.</p> <p>X509V3_add1_i2d() adds extension <b>value</b> to STACK <b>x</b> (allocating a new STACK if necessary) using OID <b>nid</b> and criticality <b>crit</b> according to <b>flags</b>.</p> <p>X509V3_EXT_d2i() attempts to decode the ASN.1 data contained in extension <b>ext</b> and returns a pointer to an extension specific structure or <b>NULL</b> if the extension could not be decoded (invalid syntax or not supported).</p> <p>X509V3_EXT_i2d() encodes the extension specific structure <b>ext</b> with OID <b>ext_nid</b> and criticality <b>crit</b>.</p> <p>X509_get_ext_d2i() and X509_add1_ext_i2d() operate on the extensions of certificate <b>x</b>, they are otherwise identical to X509V3_get_d2i() and X509V3_add_i2d().</p> <p>X509_CRL_get_ext_d2i() and X509_CRL_add1_ext_i2d() operate on the extensions of CRL <b>crl</b>, they are otherwise identical to X509V3_get_d2i() and X509V3_add_i2d().</p> <p>X509_REVOKED_get_ext_d2i() and X509_REVOKED_add1_ext_i2d() operate on the extensions of <b>X509_REVOKED</b> structure <b>r</b> (i.e for CRL entry extensions), they are otherwise identical to X509V3_get_d2i() and X509V3_add_i2d().</p> <p>X509_get0_extensions(), X509_CRL_get0_extensions() and X509_REVOKED_get0_extensions() return a stack of all the extensions of a certificate a CRL or a CRL entry respectively.</p> <h1 id="NOTES">NOTES</h1> <p>In almost all cases an extension can occur at most once and multiple occurrences is an error. Therefore, the <b>idx</b> parameter is usually <b>NULL</b>.</p> <p>The <b>flags</b> parameter may be one of the following values.</p> <p><b>X509V3_ADD_DEFAULT</b> appends a new extension only if the extension does not already exist. An error is returned if the extension does already exist.</p> <p><b>X509V3_ADD_APPEND</b> appends a new extension, ignoring whether the extension already exists.</p> <p><b>X509V3_ADD_REPLACE</b> replaces an extension if it exists otherwise appends a new extension.</p> <p><b>X509V3_ADD_REPLACE_EXISTING</b> replaces an existing extension if it exists otherwise returns an error.</p> <p><b>X509V3_ADD_KEEP_EXISTING</b> appends a new extension only if the extension does not already exist. An error <b>is not</b> returned if the extension does already exist.</p> <p><b>X509V3_ADD_DELETE</b> extension <b>nid</b> is deleted: no new extension is added.</p> <p>If <b>X509V3_ADD_SILENT</b> is ored with <b>flags</b>: any error returned will not be added to the error queue.</p> <p>The function X509V3_get_d2i() will return <b>NULL</b> if the extension is not found, occurs multiple times or cannot be decoded. It is possible to determine the precise reason by checking the value of <b>crit</b>.</p> <h1 id="SUPPORTED-EXTENSIONS">SUPPORTED EXTENSIONS</h1> <p>The following sections contain a list of all supported extensions including their name and NID.</p> <h2 id="PKIX-Certificate-Extensions">PKIX Certificate Extensions</h2> <p>The following certificate extensions are defined in PKIX standards such as RFC5280.</p> <pre><code> Basic Constraints NID_basic_constraints Key Usage NID_key_usage Extended Key Usage NID_ext_key_usage Subject Key Identifier NID_subject_key_identifier Authority Key Identifier NID_authority_key_identifier Private Key Usage Period NID_private_key_usage_period Subject Alternative Name NID_subject_alt_name Issuer Alternative Name NID_issuer_alt_name Authority Information Access NID_info_access Subject Information Access NID_sinfo_access Name Constraints NID_name_constraints Certificate Policies NID_certificate_policies Policy Mappings NID_policy_mappings Policy Constraints NID_policy_constraints Inhibit Any Policy NID_inhibit_any_policy TLS Feature NID_tlsfeature</code></pre> <h2 id="Netscape-Certificate-Extensions">Netscape Certificate Extensions</h2> <p>The following are (largely obsolete) Netscape certificate extensions.</p> <pre><code> Netscape Cert Type NID_netscape_cert_type Netscape Base Url NID_netscape_base_url Netscape Revocation Url NID_netscape_revocation_url Netscape CA Revocation Url NID_netscape_ca_revocation_url Netscape Renewal Url NID_netscape_renewal_url Netscape CA Policy Url NID_netscape_ca_policy_url Netscape SSL Server Name NID_netscape_ssl_server_name Netscape Comment NID_netscape_comment</code></pre> <h2 id="Miscellaneous-Certificate-Extensions">Miscellaneous Certificate Extensions</h2> <pre><code> Strong Extranet ID NID_sxnet Proxy Certificate Information NID_proxyCertInfo</code></pre> <h2 id="PKIX-CRL-Extensions">PKIX CRL Extensions</h2> <p>The following are CRL extensions from PKIX standards such as RFC5280.</p> <pre><code> CRL Number NID_crl_number CRL Distribution Points NID_crl_distribution_points Delta CRL Indicator NID_delta_crl Freshest CRL NID_freshest_crl Invalidity Date NID_invalidity_date Issuing Distribution Point NID_issuing_distribution_point</code></pre> <p>The following are CRL entry extensions from PKIX standards such as RFC5280.</p> <pre><code> CRL Reason Code NID_crl_reason Certificate Issuer NID_certificate_issuer</code></pre> <h2 id="OCSP-Extensions">OCSP Extensions</h2> <pre><code> OCSP Nonce NID_id_pkix_OCSP_Nonce OCSP CRL ID NID_id_pkix_OCSP_CrlID Acceptable OCSP Responses NID_id_pkix_OCSP_acceptableResponses OCSP No Check NID_id_pkix_OCSP_noCheck OCSP Archive Cutoff NID_id_pkix_OCSP_archiveCutoff OCSP Service Locator NID_id_pkix_OCSP_serviceLocator Hold Instruction Code NID_hold_instruction_code</code></pre> <h2 id="Certificate-Transparency-Extensions">Certificate Transparency Extensions</h2> <p>The following extensions are used by certificate transparency, RFC6962</p> <pre><code> CT Precertificate SCTs NID_ct_precert_scts CT Certificate SCTs NID_ct_cert_scts</code></pre> <h1 id="RETURN-VALUES">RETURN VALUES</h1> <p>X509V3_EXT_d2i() and X509V3_get_d2i() return a pointer to an extension specific structure of <b>NULL</b> if an error occurs.</p> <p>X509V3_EXT_i2d() returns a pointer to an <b>X509_EXTENSION</b> structure or <b>NULL</b> if an error occurs.</p> <p>X509V3_add1_i2d() returns 1 if the operation is successful and 0 if it fails due to a non-fatal error (extension not found, already exists, cannot be encoded) or -1 due to a fatal error such as a memory allocation failure.</p> <p>X509_get0_extensions(), X509_CRL_get0_extensions() and X509_REVOKED_get0_extensions() return a stack of extensions. They return NULL if no extensions are present.</p> <h1 id="SEE-ALSO">SEE ALSO</h1> <p><a href="../man3/d2i_X509.html">d2i_X509(3)</a>, <a href="../man3/ERR_get_error.html">ERR_get_error(3)</a>, <a href="../man3/X509_CRL_get0_by_serial.html">X509_CRL_get0_by_serial(3)</a>, <a href="../man3/X509_get0_signature.html">X509_get0_signature(3)</a>, <a href="../man3/X509_get_ext_d2i.html">X509_get_ext_d2i(3)</a>, <a href="../man3/X509_get_extension_flags.html">X509_get_extension_flags(3)</a>, <a href="../man3/X509_get_pubkey.html">X509_get_pubkey(3)</a>, <a href="../man3/X509_get_subject_name.html">X509_get_subject_name(3)</a>, <a href="../man3/X509_get_version.html">X509_get_version(3)</a>, <a href="../man3/X509_NAME_add_entry_by_txt.html">X509_NAME_add_entry_by_txt(3)</a>, <a href="../man3/X509_NAME_ENTRY_get_object.html">X509_NAME_ENTRY_get_object(3)</a>, <a href="../man3/X509_NAME_get_index_by_NID.html">X509_NAME_get_index_by_NID(3)</a>, <a href="../man3/X509_NAME_print_ex.html">X509_NAME_print_ex(3)</a>, <a href="../man3/X509_new.html">X509_new(3)</a>, <a href="../man3/X509_sign.html">X509_sign(3)</a>, <a href="../man3/X509_verify_cert.html">X509_verify_cert(3)</a></p> <h1 id="COPYRIGHT">COPYRIGHT</h1> <p>Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the OpenSSL license (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> Back

Edit File : X509_CRL_get_ext_d2i.html | Size : 12.04 KB

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<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="#SUPPORTED-EXTENSIONS">SUPPORTED EXTENSIONS</a>
 <ul>
 <li><a href="#PKIX-Certificate-Extensions">PKIX Certificate Extensions</a></li>
 <li><a href="#Netscape-Certificate-Extensions">Netscape Certificate Extensions</a></li>
 <li><a href="#Miscellaneous-Certificate-Extensions">Miscellaneous Certificate Extensions</a></li>
 <li><a href="#PKIX-CRL-Extensions">PKIX CRL Extensions</a></li>
 <li><a href="#OCSP-Extensions">OCSP Extensions</a></li>
 <li><a href="#Certificate-Transparency-Extensions">Certificate Transparency Extensions</a></li>
 </ul>
 </li>
 <li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
 <li><a href="#SEE-ALSO">SEE ALSO</a></li>
 <li><a href="#COPYRIGHT">COPYRIGHT</a></li>
</ul>

X509_get0_extensions, X509_CRL_get0_extensions, X509_REVOKED_get0_extensions, X509V3_get_d2i, X509V3_add1_i2d, X509V3_EXT_d2i, X509V3_EXT_i2d, X509_get_ext_d2i, X509_add1_ext_i2d, X509_CRL_get_ext_d2i, X509_CRL_add1_ext_i2d, X509_REVOKED_get_ext_d2i, X509_REVOKED_add1_ext_i2d - X509 extension decode and encode functions

<h1 id="SYNOPSIS">SYNOPSIS</h1>

<pre><code> #include &lt;openssl/x509v3.h&gt;

void *X509V3_get_d2i(const STACK_OF(X509_EXTENSION) *x, int nid, int *crit,
                      int *idx);
 int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value,
                     int crit, unsigned long flags);

void *X509V3_EXT_d2i(X509_EXTENSION *ext);
 X509_EXTENSION *X509V3_EXT_i2d(int ext_nid, int crit, void *ext);

void *X509_get_ext_d2i(const X509 *x, int nid, int *crit, int *idx);
 int X509_add1_ext_i2d(X509 *x, int nid, void *value, int crit,
                       unsigned long flags);

void *X509_CRL_get_ext_d2i(const X509_CRL *crl, int nid, int *crit, int *idx);
 int X509_CRL_add1_ext_i2d(X509_CRL *crl, int nid, void *value, int crit,
                           unsigned long flags);

void *X509_REVOKED_get_ext_d2i(const X509_REVOKED *r, int nid, int *crit, int *idx);
 int X509_REVOKED_add1_ext_i2d(X509_REVOKED *r, int nid, void *value, int crit,
                               unsigned long flags);

const STACK_OF(X509_EXTENSION) *X509_get0_extensions(const X509 *x);
 const STACK_OF(X509_EXTENSION) *X509_CRL_get0_extensions(const X509_CRL *crl);
 const STACK_OF(X509_EXTENSION) *X509_REVOKED_get0_extensions(const X509_REVOKED *r);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

X509V3_get_ext_d2i() looks for an extension with OID nid in the extensions x and, if found, decodes it. If idx is NULL then only one occurrence of an extension is permissible otherwise the first extension after index *idx is returned and *idx updated to the location of the extension. If crit is not NULL then *crit is set to a status value: -2 if the extension occurs multiple times (this is only returned if idx is NULL), -1 if the extension could not be found, 0 if the extension is found and is not critical and 1 if critical. A pointer to an extension specific structure or NULL is returned.

X509V3_add1_i2d() adds extension value to STACK *x (allocating a new STACK if necessary) using OID nid and criticality crit according to flags.

X509V3_EXT_d2i() attempts to decode the ASN.1 data contained in extension ext and returns a pointer to an extension specific structure or NULL if the extension could not be decoded (invalid syntax or not supported).

X509V3_EXT_i2d() encodes the extension specific structure ext with OID ext_nid and criticality crit.

X509_get_ext_d2i() and X509_add1_ext_i2d() operate on the extensions of certificate x, they are otherwise identical to X509V3_get_d2i() and X509V3_add_i2d().

X509_CRL_get_ext_d2i() and X509_CRL_add1_ext_i2d() operate on the extensions of CRL crl, they are otherwise identical to X509V3_get_d2i() and X509V3_add_i2d().

X509_REVOKED_get_ext_d2i() and X509_REVOKED_add1_ext_i2d() operate on the extensions of X509_REVOKED structure r (i.e for CRL entry extensions), they are otherwise identical to X509V3_get_d2i() and X509V3_add_i2d().

X509_get0_extensions(), X509_CRL_get0_extensions() and X509_REVOKED_get0_extensions() return a stack of all the extensions of a certificate a CRL or a CRL entry respectively.

<h1 id="NOTES">NOTES</h1>

In almost all cases an extension can occur at most once and multiple occurrences is an error. Therefore, the idx parameter is usually NULL.

The flags parameter may be one of the following values.

X509V3_ADD_DEFAULT appends a new extension only if the extension does not already exist. An error is returned if the extension does already exist.

X509V3_ADD_APPEND appends a new extension, ignoring whether the extension already exists.

X509V3_ADD_REPLACE replaces an extension if it exists otherwise appends a new extension.

X509V3_ADD_REPLACE_EXISTING replaces an existing extension if it exists otherwise returns an error.

X509V3_ADD_KEEP_EXISTING appends a new extension only if the extension does not already exist. An error is not returned if the extension does already exist.

X509V3_ADD_DELETE extension nid is deleted: no new extension is added.

If X509V3_ADD_SILENT is ored with flags: any error returned will not be added to the error queue.

The function X509V3_get_d2i() will return NULL if the extension is not found, occurs multiple times or cannot be decoded. It is possible to determine the precise reason by checking the value of *crit.

<h1 id="SUPPORTED-EXTENSIONS">SUPPORTED EXTENSIONS</h1>

The following sections contain a list of all supported extensions including their name and NID.

<h2 id="PKIX-Certificate-Extensions">PKIX Certificate Extensions</h2>

The following certificate extensions are defined in PKIX standards such as RFC5280.

<pre><code> Basic Constraints NID_basic_constraints
 Key Usage NID_key_usage
 Extended Key Usage NID_ext_key_usage

Subject Key Identifier             NID_subject_key_identifier
 Authority Key Identifier           NID_authority_key_identifier

Private Key Usage Period           NID_private_key_usage_period

Subject Alternative Name           NID_subject_alt_name
 Issuer Alternative Name            NID_issuer_alt_name

Authority Information Access       NID_info_access
 Subject Information Access         NID_sinfo_access

Name Constraints                   NID_name_constraints

Certificate Policies               NID_certificate_policies
 Policy Mappings                    NID_policy_mappings
 Policy Constraints                 NID_policy_constraints
 Inhibit Any Policy                 NID_inhibit_any_policy

TLS Feature NID_tlsfeature</code></pre>

<h2 id="Netscape-Certificate-Extensions">Netscape Certificate Extensions</h2>

The following are (largely obsolete) Netscape certificate extensions.

<pre><code> Netscape Cert Type NID_netscape_cert_type
 Netscape Base Url NID_netscape_base_url
 Netscape Revocation Url NID_netscape_revocation_url
 Netscape CA Revocation Url NID_netscape_ca_revocation_url
 Netscape Renewal Url NID_netscape_renewal_url
 Netscape CA Policy Url NID_netscape_ca_policy_url
 Netscape SSL Server Name NID_netscape_ssl_server_name
 Netscape Comment NID_netscape_comment</code></pre>

<h2 id="Miscellaneous-Certificate-Extensions">Miscellaneous Certificate Extensions</h2>

<pre><code> Strong Extranet ID NID_sxnet
 Proxy Certificate Information NID_proxyCertInfo</code></pre>

<h2 id="PKIX-CRL-Extensions">PKIX CRL Extensions</h2>

The following are CRL extensions from PKIX standards such as RFC5280.

<pre><code> CRL Number NID_crl_number
 CRL Distribution Points NID_crl_distribution_points
 Delta CRL Indicator NID_delta_crl
 Freshest CRL NID_freshest_crl
 Invalidity Date NID_invalidity_date
 Issuing Distribution Point NID_issuing_distribution_point</code></pre>

The following are CRL entry extensions from PKIX standards such as RFC5280.

<pre><code> CRL Reason Code NID_crl_reason
 Certificate Issuer NID_certificate_issuer</code></pre>

<h2 id="OCSP-Extensions">OCSP Extensions</h2>

<pre><code> OCSP Nonce NID_id_pkix_OCSP_Nonce
 OCSP CRL ID NID_id_pkix_OCSP_CrlID
 Acceptable OCSP Responses NID_id_pkix_OCSP_acceptableResponses
 OCSP No Check NID_id_pkix_OCSP_noCheck
 OCSP Archive Cutoff NID_id_pkix_OCSP_archiveCutoff
 OCSP Service Locator NID_id_pkix_OCSP_serviceLocator
 Hold Instruction Code NID_hold_instruction_code</code></pre>

<h2 id="Certificate-Transparency-Extensions">Certificate Transparency Extensions</h2>

The following extensions are used by certificate transparency, RFC6962

<pre><code> CT Precertificate SCTs NID_ct_precert_scts
 CT Certificate SCTs NID_ct_cert_scts</code></pre>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

X509V3_EXT_d2i() and *X509V3_get_d2i() return a pointer to an extension specific structure of NULL if an error occurs.

X509V3_EXT_i2d() returns a pointer to an X509_EXTENSION structure or NULL if an error occurs.

X509V3_add1_i2d() returns 1 if the operation is successful and 0 if it fails due to a non-fatal error (extension not found, already exists, cannot be encoded) or -1 due to a fatal error such as a memory allocation failure.

X509_get0_extensions(), X509_CRL_get0_extensions() and X509_REVOKED_get0_extensions() return a stack of extensions. They return NULL if no extensions are present.

<a href="../man3/d2i_X509.html">d2i_X509(3)</a>, <a href="../man3/ERR_get_error.html">ERR_get_error(3)</a>, <a href="../man3/X509_CRL_get0_by_serial.html">X509_CRL_get0_by_serial(3)</a>, <a href="../man3/X509_get0_signature.html">X509_get0_signature(3)</a>, <a href="../man3/X509_get_ext_d2i.html">X509_get_ext_d2i(3)</a>, <a href="../man3/X509_get_extension_flags.html">X509_get_extension_flags(3)</a>, <a href="../man3/X509_get_pubkey.html">X509_get_pubkey(3)</a>, <a href="../man3/X509_get_subject_name.html">X509_get_subject_name(3)</a>, <a href="../man3/X509_get_version.html">X509_get_version(3)</a>, <a href="../man3/X509_NAME_add_entry_by_txt.html">X509_NAME_add_entry_by_txt(3)</a>, <a href="../man3/X509_NAME_ENTRY_get_object.html">X509_NAME_ENTRY_get_object(3)</a>, <a href="../man3/X509_NAME_get_index_by_NID.html">X509_NAME_get_index_by_NID(3)</a>, <a href="../man3/X509_NAME_print_ex.html">X509_NAME_print_ex(3)</a>, <a href="../man3/X509_new.html">X509_new(3)</a>, <a href="../man3/X509_sign.html">X509_sign(3)</a>, <a href="../man3/X509_verify_cert.html">X509_verify_cert(3)</a>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

Licensed under the OpenSSL license (the &quot;License&quot;). 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>.

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