Fix #65176: openssl_pkey_new / openssl_pkey_get_public

This commit is contained in:
Christoph M. Becker 2021-01-13 14:00:38 +01:00
parent d278431ef5
commit b316a70fec

View file

@ -13,9 +13,9 @@
<methodparam choice="opt"><type>array</type><parameter>configargs</parameter></methodparam>
</methodsynopsis>
<para>
<function>openssl_pkey_new</function> generates a new private and public
key pair. The public component of the key can be obtained using
<function>openssl_pkey_get_public</function>.
<function>openssl_pkey_new</function> generates a new private
key.
How to obtain the public component of the key is shown in an example below.
</para>
&note.openssl.cnf;
</refsect1>
@ -67,6 +67,39 @@
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example xml:id="function.openssl-pkey-new.example.public-key">
<title>Obtain the public key from a private key</title>
<programlisting role="php">
<![CDATA[
<?php
$private_key = openssl_pkey_new();
$public_key_pem = openssl_pkey_get_details($private_key)['key'];
echo $public_key_pem;
$public_key = openssl_pkey_get_public($public_key_pem);
var_dump($public_key);
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArZFsmN2P6rx1Xt7YV95o
gcdlal0k3ryiIhFNzjwtRNNTXfEfBr6lUuaIJYQ8/XqEBX0hpcfuuF6tTRlonA3t
WLME0QFD93YVsAaXcy76YqjjqcRRodIBphAbYyyMI/lXkQAdn7kbAmr7neSOsMYJ
El9Wo4Hl4oG6e52ZnYHyqW9dxh4hX93eupR2TmcCdVf+r9xoHewP0KJYSHt7vDUX
AQlWYcQiWHIadFsmL0orr6mutlXFReoHbesgKY9/3YLOu0JfxflSjIZ2JeL1NTl1
MsmODsUwgAUrwnWKKx+eQUP5g3GnSB3dPkRh9zRVRiLNWbCugyjrf3e6DgQWrW7j
pwIDAQAB
-----END PUBLIC KEY-----
resource(5) of type (OpenSSL key)
]]>
</screen>
</example>
</refsect1>
</refentry>
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