openssl_csr_get_public_key
Returns the public key of a CSR
&reftitle.description;
OpenSSLAsymmetricKeyfalseopenssl_csr_get_public_key
OpenSSLCertificateSigningRequeststringcsr
boolshort_names&true;
openssl_csr_get_public_key extracts the public key
from csr and prepares it for use by other functions.
&reftitle.parameters;
&openssl.param.csr;
short_names
This parameter is ignored
&reftitle.returnvalues;
Returns an OpenSSLAsymmetricKey on success, or &false; on error.
&reftitle.changelog;
&Version;
&Description;
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.
&reftitle.examples;
openssl_csr_get_public_key() example
"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'];
?>
]]>
&reftitle.seealso;
openssl_csr_get_subject
openssl_csr_new
openssl_pkey_get_details
openssl_pkey_export_to_file
openssl_pkey_export