array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'uk', ), 'this' => array ( 0 => 'function.openssl-csr-get-public-key.php', 1 => 'openssl_csr_get_public_key', 2 => 'Returns the public key of a CSR', ), 'up' => array ( 0 => 'ref.openssl.php', 1 => 'Функції OpenSSL', ), 'prev' => array ( 0 => 'function.openssl-csr-export-to-file.php', 1 => 'openssl_csr_export_to_file', ), 'next' => array ( 0 => 'function.openssl-csr-get-subject.php', 1 => 'openssl_csr_get_subject', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/openssl/functions/openssl-csr-get-public-key.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

openssl_csr_get_public_key

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

openssl_csr_get_public_key — Returns the public key of a CSR

Опис

openssl_csr_get_public_key(OpenSSLCertificateSigningRequest|string $csr, bool $short_names = true): OpenSSLAsymmetricKey|false

openssl_csr_get_public_key() extracts the public key from csr and prepares it for use by other functions.

Параметри

csr

Список можливих значень є в параграфі Параметри CSR.

short_names
Увага

This parameter is ignored

Значення, що повертаються

Returns an OpenSSLAsymmetricKey on success, or false on error.

Журнал змін

Версія Опис
8.0.0 On success, this function returns an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was returned.
8.0.0 csr accepts an OpenSSLCertificateSigningRequest instance now; previously, a resource of type OpenSSL X.509 CSR was accepted.

Приклади

Приклад #1 openssl_csr_get_public_key() example

<?php
$subject = array(
"commonName" => "example.com",
);
$private_key = openssl_pkey_new(array(
"private_key_bits" => 2048,
"private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$csr = openssl_csr_new($subject, $private_key, array('digest_alg' => 'sha256') );
$public_key = openssl_csr_get_public_key($csr);
$info = openssl_pkey_get_details($public_key);
echo $info['key'];
?>

Прогляньте також