Update webpage "Documentation - OpenSSL Self-signed Certificate Chain" from version 1.0.0+5 to 1.0.1+12
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@ -5,7 +5,7 @@
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<!-- Copyright 2023 Jake Winters -->
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<!-- SPDX-License-Identifier: BSD-3-Clause -->
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<!-- Version: 1.0.0+3 -->
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<!-- Version: 1.0.1+8 -->
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<html>
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@ -29,103 +29,106 @@
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<div><a href="../changelog.html">Changelog</a></div>
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</div>
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<body>
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<h1>Documentation - OpenSSL Self-signed Certificate Chain</h1>
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<p>This documentation contains the complete set of commands to create a new OpenSSL self-signed
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certificate chain with V3 subjectAltName (SAN) extensions enabled. Multiple SANs can be included
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in a certificate by adding each domain as a comma-delimited string. Each key can be encrypted or
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unencrypted, with multiple encryption options; AES (<code>aes128</code> or <code>aes256</code>)
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is recommended. Optional verification can also be performed between multiple levels of
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certificates to ensure the chain of trust is valid.</p>
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<p>This documentation is also available in portable AsciiDoc format in my
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<a href="https://src.inferencium.net/Inferencium/doc/src/branch/stable/security/openssl_selfsigned_certificate_chain.adoc">documentation source code repository</a>.
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<section id="toc">
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<h2 id="toc"><a href="#toc">Table of Contents<a/></h2>
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<ul>
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<li><a href="#create_certificate_authority_key">Create Certificate Authority Key</a></li>
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<li><a href="#verify_certificate_authority_key">Verify Certificate Authority Key</a></li>
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<li><a href="#create_certificate_authority_certificate">Create Certificate Authority Certificate</a></li>
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<li><a href="#convert_certificate_to_pem_format">Convert Certificate to PEM Format</a></li>
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<li><a href="#verify_certificate_authority_certificate">Verify Certificate Authority Certificate</a></li>
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<li><a href="#create_intermediate_certificate_authority_key">Create Intermediate Certificate Authority Key</a></li>
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<li><a href="#verify_intermediate_certificate_authority_key">Verify Intermediate Certificate Authority Key</a></li>
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<li><a href="#create_intermediate_certificate_signing_request">Create Intermediate Certificate Signing Request</a></li>
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<li><a href="#create_intermediate_certificate_authority_certificate">Create Intermediate Certificate Authority Certificate</a></li>
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<li><a href="#verify_intermediate_certificate_authority_certificate">Verify Intermediate Certificate Authority Certificate</a></li>
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<li><a href="#verify_chain_of_trust-ca_to_intermediate">Verify Chain of Trust (CA to Intermediate)</a></li>
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<li><a href="#create_server_key">Create Server Key</a></li>
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<li><a href="#verify_server_key">Verify Server Key</a></li>
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<li><a href="#create_server_certificate_signing_request">Create Server Cerificate Signing Request</a></li>
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<li><a href="#create_server_certificate">Create Server Certificate</a></li>
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<li><a href="#verify_server_certificate">Verify Server Certificate</a></li>
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<li><a href="#verify_chain_of_trust-intermediate_to_server">Verify Chain of Trust (Intermediate to Server)</a></li>
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</ul>
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<section id="create_certificate_authority_key">
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<h2 id="create_certificate_authority_key"><a href="#create_certificate_authority_key">Create Certificate Authority Key</a></h2>
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<p><code>openssl genrsa <var><encryption type></var> -out <var><CA key name></var>.pem <var><key size></var></code></p>
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</section>
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<section id="verify_certificate_authority_key">
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<h2 id="verify_certificate_authority_key"><a href="#verify_certificate_authority_key">Verify Certificate Authority Key</a></h2>
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<p><code>openssl rsa -noout -text -in <var><CA key name></var>.pem</code></p>
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</section>
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<section id="create_certificate_authority_certificate">
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<h2 id="create_certificate_authority_certificate"><a href="#create_certificate_authority_certificate">Create Certificate Authority Certificate</a></h2>
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<p><code>openssl req -new -x509 -days <var><days of validity></var> -extensions v3_ca -key <var><CA key name></var>.pem -out <var><CA certificate name></var>.pem</code></p>
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</section>
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<section id="convert_certificate_to_pem_format">
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<h2 id="convert_certificate_to_pem_format"><a href="#convert_certificate_to_pem_format">Convert Certificate to PEM Format</a></h2>
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<p><p><code>openssl x509 -in <var><CA certificate name></var>.pem -out <var><CA certificate name></var>.pem -outform PEM</code></p>
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</section>
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<section id="verify_certificate_authority_certificate">
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<h2 id="verify_certificate_authority_certificate"><a href="#verify_certificate_authority_certificate">Verify Certificate Authority Certificate</a></h2>
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<p><code>openssl x509 -noout -text -in <var><CA certificate name></var>.pem</code></p>
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</section>
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<section id="create_intermediate_certificate_authority_key">
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<h2 id="create_intermediate_certificate_authority_key"><a href="#create_intermediate_certificate_authority_key">Create Intermediate Certificate Authority Key</a></h2>
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<p><code>openssl genrsa <var><encryption type></var> -out <var><intermediate CA key name></var>.pem <var><key size></var></code>
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</section>
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<section id="verify_intermediate_certificate_authority_key">
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<h2 id="verify_intermediate_certificate_authority_key"><a href="#verify_intermediate_certificate_authority_key">Verify Intermediate Certificate Authority Key</a></h2>
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<p><code>openssl rsa -noout -text -in <var><intermediate CA key name></var>.pem</code></p>
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</section>
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<section id="create_intermediate_certificate_authority_signing_request">
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<h2 id="create_intermediate_certificate_authority_signing_request"><a href="#create_intermediate_certificate_authority_signing_request">Create Intermediate Certificate Authority Signing Request</a></h2>
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<p><code>openssl req -new -sha256 -key <var><intermediate CA key name></var>.pem -out <var><intermediate CA certificate signing request name></var>.pem</code></p>
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</section>
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<section id="create_intermediate_certificate_authority_certificate">
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<h2 id="create_intermediate_certificate_authority_certificate"><a href="#create_intermediate_certificate_authority_certificate">Create Intermediate Certificate Authority Certificate</a></h2>
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<p><code>openssl ca -config <var><intermediate CA configuration file></var> -extensions v3_intermediate_ca -days <var><days of validity></var> -notext -md sha256 -in <var><intermediate CA signing request name></var>.pem -out <var><intermediate CA certificate name></var>.pem</code></p>
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</section>
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<section id="verify_intermediate_certificate_authority_certificate">
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<h2 id="verify_intermediate_certificate_authority_certificate"><a href="#verify_intermediate_certificate_authority_certificate">Verify Intermediate Certificate Authority Certificate</a></h2>
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<p><code>openssl x509 -noout -text -in <var><intermediate CA certificate name></var>.pem</code></p>
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</section>
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<section id="verify_chain_of_trust-ca_to_intermediate">
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<h2 id="verify_chain_of_trust-ca_to_intermediate"><a href="#verify_chain_of_trust-ca_to_intermediate">Verify Chain of Trust (CA to Intermediate)</a></h2>
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<p><code>openssl verify -CAfile <var><CA certificate name></var>.pem <var><intermediate CA certificate name></var>.pem</code></p>
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</section>
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<section id="create_server_key">
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<h2 id="create_server_key"><a href="#create_server_key">Create Server Key</a></h2>
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<p><code>openssl genrsa <var><encryption type></var> -out <var><server key name></var>.pem <var><key size></var></code></p>
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</section>
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<section id="verify_server_key">
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<h2 id="verify_server_key"><a href="#verify_server_key">Verify Server Key</a></h2>
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<p><code>openssl rsa -noout -text -in <var><server key name></var>.pem</code></p>
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</section>
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<section id="create_server_certificate_signing_request">
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<h2 id="create_server_certificate_signing_request"><a href="#create_server_certificate_signing_request">Create Server Certificate Signing Request</a></h2>
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<p><code>openssl req -new -sha256 -subj "/C=<var><country></var>/ST=<var><state/province></var>/L=<var><locality></var>/O=<var><organization></var>/CN=<common name></var>" -addext "subjectAltName = DNS.1:<var><alternative DNS entry></var>" -key <var><server key name></var>.pem -out <var><server certificate signing request name></var>.pem</code></p>
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</section>
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<section id="create_server_certificate">
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<h2 id="create_server_certificate"><a href="#create_server_certificate">Create Server Certificate</a></h2>
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<p><code>openssl x509 -sha256 -req -days <var><days of validity></var> -in <var><server certificate signing request name></var>.pem -CA <var><intermediate CA certificate name></var>.pem -CAkey <var><intermediate CA key name></var>.pem -extensions SAN -extfile <(cat /etc/ssl/openssl.cnf <(printf "\n[SAN]\nsubjectAltName=DNS.1:")) -out <var><server certificate name></var>.pem</code></p>
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</section>
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<section id="verify_server_certificate">
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<h2 id="verify_server_certificate"><a href="#verify_server_certificate">Verify Server Certificate</a></h2>
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<p><code>openssl x509 -noout -text -in <var><server certificate name></var>.pem</code></p>
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</section>
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<section id="verify_chain_of_trust-intermediate_to_server">
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<h2 id="verify_chain_of_trust-intermediate_to_server"><a href="#verify_chain_of_trust-intermediate_to_server">Verify Chain of Trust (Intermediate to Server)</a></h2>
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<p><code>openssl verify -CAfile <var><intermediate CA certificate name></var>.pem <var><server certificate></var>.pem</code></p>
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</section>
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<section id="introduction">
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<h1 id="introduction"><a href="#introduction">Documentation - OpenSSL Self-signed Certificate Chain</a></h1>
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<p>This documentation contains the complete set of commands to create a new OpenSSL self-signed
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certificate chain with V3 subjectAltName (SAN) extensions enabled. Multiple SANs can be included
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in a certificate by adding each domain as a comma-delimited string. Each key can be encrypted or
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unencrypted, with multiple encryption options; AES (<code>aes128</code> or <code>aes256</code>)
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is recommended. Optional verification can also be performed between multiple levels of
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certificates to ensure the chain of trust is valid.</p>
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<p>This documentation is also available in portable AsciiDoc format in my
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<a href="https://src.inferencium.net/Inferencium/doc/src/branch/stable/security/openssl_selfsigned_certificate_chain.adoc">documentation source code repository</a>.
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</section>
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<section id="toc">
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<h2 id="toc"><a href="#toc">Table of Contents<a/></h2>
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<ul>
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<li><a href="#create_certificate_authority_key">Create Certificate Authority Key</a></li>
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<li><a href="#verify_certificate_authority_key">Verify Certificate Authority Key</a></li>
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<li><a href="#create_certificate_authority_certificate">Create Certificate Authority Certificate</a></li>
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<li><a href="#convert_certificate_to_pem_format">Convert Certificate to PEM Format</a></li>
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<li><a href="#verify_certificate_authority_certificate">Verify Certificate Authority Certificate</a></li>
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<li><a href="#create_intermediate_certificate_authority_key">Create Intermediate Certificate Authority Key</a></li>
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<li><a href="#verify_intermediate_certificate_authority_key">Verify Intermediate Certificate Authority Key</a></li>
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<li><a href="#create_intermediate_certificate_signing_request">Create Intermediate Certificate Signing Request</a></li>
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<li><a href="#create_intermediate_certificate_authority_certificate">Create Intermediate Certificate Authority Certificate</a></li>
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<li><a href="#verify_intermediate_certificate_authority_certificate">Verify Intermediate Certificate Authority Certificate</a></li>
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<li><a href="#verify_chain_of_trust-ca_to_intermediate">Verify Chain of Trust (CA to Intermediate)</a></li>
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<li><a href="#create_server_key">Create Server Key</a></li>
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<li><a href="#verify_server_key">Verify Server Key</a></li>
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<li><a href="#create_server_certificate_signing_request">Create Server Cerificate Signing Request</a></li>
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<li><a href="#create_server_certificate">Create Server Certificate</a></li>
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<li><a href="#verify_server_certificate">Verify Server Certificate</a></li>
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<li><a href="#verify_chain_of_trust-intermediate_to_server">Verify Chain of Trust (Intermediate to Server)</a></li>
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</ul>
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</section>
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<section id="create_certificate_authority_key">
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<h2 id="create_certificate_authority_key"><a href="#create_certificate_authority_key">Create Certificate Authority Key</a></h2>
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<p><code>openssl genrsa <var><encryption type></var> -out <var><CA key name></var>.pem <var><key size></var></code></p>
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</section>
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<section id="verify_certificate_authority_key">
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<h2 id="verify_certificate_authority_key"><a href="#verify_certificate_authority_key">Verify Certificate Authority Key</a></h2>
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<p><code>openssl rsa -noout -text -in <var><CA key name></var>.pem</code></p>
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</section>
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<section id="create_certificate_authority_certificate">
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<h2 id="create_certificate_authority_certificate"><a href="#create_certificate_authority_certificate">Create Certificate Authority Certificate</a></h2>
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<p><code>openssl req -new -x509 -days <var><days of validity></var> -extensions v3_ca -key <var><CA key name></var>.pem -out <var><CA certificate name></var>.pem</code></p>
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</section>
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<section id="convert_certificate_to_pem_format">
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<h2 id="convert_certificate_to_pem_format"><a href="#convert_certificate_to_pem_format">Convert Certificate to PEM Format</a></h2>
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<p><p><code>openssl x509 -in <var><CA certificate name></var>.pem -out <var><CA certificate name></var>.pem -outform PEM</code></p>
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</section>
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<section id="verify_certificate_authority_certificate">
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<h2 id="verify_certificate_authority_certificate"><a href="#verify_certificate_authority_certificate">Verify Certificate Authority Certificate</a></h2>
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<p><code>openssl x509 -noout -text -in <var><CA certificate name></var>.pem</code></p>
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</section>
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<section id="create_intermediate_certificate_authority_key">
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<h2 id="create_intermediate_certificate_authority_key"><a href="#create_intermediate_certificate_authority_key">Create Intermediate Certificate Authority Key</a></h2>
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<p><code>openssl genrsa <var><encryption type></var> -out <var><intermediate CA key name></var>.pem <var><key size></var></code>
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</section>
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<section id="verify_intermediate_certificate_authority_key">
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<h2 id="verify_intermediate_certificate_authority_key"><a href="#verify_intermediate_certificate_authority_key">Verify Intermediate Certificate Authority Key</a></h2>
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<p><code>openssl rsa -noout -text -in <var><intermediate CA key name></var>.pem</code></p>
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</section>
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<section id="create_intermediate_certificate_authority_signing_request">
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<h2 id="create_intermediate_certificate_authority_signing_request"><a href="#create_intermediate_certificate_authority_signing_request">Create Intermediate Certificate Authority Signing Request</a></h2>
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<p><code>openssl req -new -sha256 -key <var><intermediate CA key name></var>.pem -out <var><intermediate CA certificate signing request name></var>.pem</code></p>
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</section>
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<section id="create_intermediate_certificate_authority_certificate">
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<h2 id="create_intermediate_certificate_authority_certificate"><a href="#create_intermediate_certificate_authority_certificate">Create Intermediate Certificate Authority Certificate</a></h2>
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<p><code>openssl ca -config <var><intermediate CA configuration file></var> -extensions v3_intermediate_ca -days <var><days of validity></var> -notext -md sha256 -in <var><intermediate CA signing request name></var>.pem -out <var><intermediate CA certificate name></var>.pem</code></p>
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</section>
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<section id="verify_intermediate_certificate_authority_certificate">
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<h2 id="verify_intermediate_certificate_authority_certificate"><a href="#verify_intermediate_certificate_authority_certificate">Verify Intermediate Certificate Authority Certificate</a></h2>
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<p><code>openssl x509 -noout -text -in <var><intermediate CA certificate name></var>.pem</code></p>
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</section>
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<section id="verify_chain_of_trust-ca_to_intermediate">
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<h2 id="verify_chain_of_trust-ca_to_intermediate"><a href="#verify_chain_of_trust-ca_to_intermediate">Verify Chain of Trust (CA to Intermediate)</a></h2>
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<p><code>openssl verify -CAfile <var><CA certificate name></var>.pem <var><intermediate CA certificate name></var>.pem</code></p>
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</section>
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<section id="create_server_key">
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<h2 id="create_server_key"><a href="#create_server_key">Create Server Key</a></h2>
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<p><code>openssl genrsa <var><encryption type></var> -out <var><server key name></var>.pem <var><key size></var></code></p>
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</section>
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<section id="verify_server_key">
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<h2 id="verify_server_key"><a href="#verify_server_key">Verify Server Key</a></h2>
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<p><code>openssl rsa -noout -text -in <var><server key name></var>.pem</code></p>
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</section>
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<section id="create_server_certificate_signing_request">
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<h2 id="create_server_certificate_signing_request"><a href="#create_server_certificate_signing_request">Create Server Certificate Signing Request</a></h2>
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<p><code>openssl req -new -sha256 -subj "/C=<var><country></var>/ST=<var><state/province></var>/L=<var><locality></var>/O=<var><organization></var>/CN=<common name></var>" -addext "subjectAltName = DNS.1:<var><alternative DNS entry></var>" -key <var><server key name></var>.pem -out <var><server certificate signing request name></var>.pem</code></p>
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</section>
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<section id="create_server_certificate">
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<h2 id="create_server_certificate"><a href="#create_server_certificate">Create Server Certificate</a></h2>
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<p><code>openssl x509 -sha256 -req -days <var><days of validity></var> -in <var><server certificate signing request name></var>.pem -CA <var><intermediate CA certificate name></var>.pem -CAkey <var><intermediate CA key name></var>.pem -extensions SAN -extfile <(cat /etc/ssl/openssl.cnf <(printf "\n[SAN]\nsubjectAltName=DNS.1:")) -out <var><server certificate name></var>.pem</code></p>
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</section>
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<section id="verify_server_certificate">
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<h2 id="verify_server_certificate"><a href="#verify_server_certificate">Verify Server Certificate</a></h2>
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<p><code>openssl x509 -noout -text -in <var><server certificate name></var>.pem</code></p>
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</section>
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<section id="verify_chain_of_trust-intermediate_to_server">
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<h2 id="verify_chain_of_trust-intermediate_to_server"><a href="#verify_chain_of_trust-intermediate_to_server">Verify Chain of Trust (Intermediate to Server)</a></h2>
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<p><code>openssl verify -CAfile <var><intermediate CA certificate name></var>.pem <var><server certificate></var>.pem</code></p>
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</section>
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</body>
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</html>
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