Edit Report a Bug

    openssl_x509_verify

    (PHP 7 >= 7.4.0, PHP 8)

    openssl_x509_verify — Verifies digital signature of x509 certificate against a public key

    Descrizione

    openssl_x509_verify(OpenSSLCertificate|string $certificate, OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $public_key): int

    openssl_x509_verify() verifies that the certificate certificate was signed by the private key corresponding to public key public_key.

    Elenco dei parametri

    x509

    Vedere parametri delle chiavi/certificati per una lista di valori validi.

    public_key

    OpenSSLAsymmetricKey - a key, returned by openssl_get_publickey()

    string - a PEM formatted key (e.g. -----BEGIN PUBLIC KEY----- MIIBCgK...)

    Valori restituiti

    Returns 1 if the signature is correct, 0 if it is incorrect, and -1 on error.

    Log delle modifiche

    Versione Descrizione
    8.0.0 certificate accepts an OpenSSLCertificate instance now; previously, a resource of type OpenSSL X.509 was accepted.
    8.0.0 public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted.

    Esempi

    Example #1 openssl_x509_verify() example

    <?php
    $hostname     = "news.php.net";
    $ssloptions = array(
    "capture_peer_cert" => true,
    "capture_peer_cert_chain" => true,
    "allow_self_signed"=> false,
    "CN_match" => $hostname,
    "verify_peer" => true,
    "SNI_enabled" => true,
    "SNI_server_name" => $hostname,
    );

    $ctx = stream_context_create( array("ssl" => $ssloptions) );
    $result = stream_socket_client("ssl://$hostname:443", $errno, $errstr, 30, STREAM_CLIENT_CONNECT, $ctx);
    $cont = stream_context_get_params($result);
    $x509 = $cont["options"]["ssl"]["peer_certificate"];
    $certparsed = openssl_x509_parse($x509);

    foreach(    $cont["options"]["ssl"]["peer_certificate_chain"] as $chaincert)
    {
    $chainparsed = openssl_x509_parse($chaincert);
    $chain_public_key = openssl_get_publickey($chaincert);
    $r = openssl_x509_verify($x509, $chain_public_key);
    if (    $r==1)
    {
    echo     $certparsed['subject']['CN'];
    echo     " was digitally signed by ";
    echo     $chainparsed['subject']['CN']."\n";
    }
    }
    ?>

    Vedere anche:

    add a note add a note

    User Contributed Notes

    There are no user contributed notes for this page.
    To Top