PHP 8.1.0 RC 2 available for testing

openssl_csr_get_public_key

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

openssl_csr_get_public_keyReturns the public key of a CSR

Descrição

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.

Parâmetros

csr

See CSR parameters for a list of valid values.

short_names
Aviso

This parameter is ignored

Valor Retornado

Returns an OpenSSLAsymmetricKey on success, or false on error.

Changelog

Versão Descrição
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.

Exemplos

Exemplo #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'];
?>

Veja Também

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User Contributed Notes 1 note

up
-3
php at siemenroorda dot nl
11 years ago
Function openssl_pkey_get_details can read this resource. Try:

<?php
  print_r
(openssl_pkey_get_details(openssl_csr_get_public_key($csr)));
?>
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