openssl_spki_export_challenge
(PHP 5 >= 5.6.0, PHP 7, PHP 8)
openssl_spki_export_challenge — Exports the challenge associated with a signed public key and challenge
Beschreibung
$spki
): string|falseExports challenge from encoded signed public key and challenge
Parameter-Liste
-
spki
-
Expects a valid signed public key and challenge
Rückgabewerte
Returns the associated challenge string or false
on failure.
Fehler/Exceptions
Emits an E_WARNING
level error if an invalid argument
is passed via the spki
parameter.
Beispiele
Beispiel #1 openssl_spki_export_challenge() example
Extracts the associated challenge string or NULL on failure.
<?php
$pkey = openssl_pkey_new('secret password');
$spkac = openssl_spki_new($pkey, 'challenge string');
$challenge = openssl_spki_export_challenge(preg_replace('/SPKAC=/', '', $spkac));
?>
Beispiel #2 openssl_spki_export_challenge() example from <keygen>
Extracts the associated challenge string issued from the <keygen> element
<?php
$challenge = openssl_spki_export_challenge(preg_replace('/SPKAC=/', '', $_POST['spkac']));
?>
<keygen name="spkac" challenge="challenge string" keytype="RSA">
Siehe auch
- openssl_spki_new() - Generate a new signed public key and challenge
- openssl_spki_verify() - Verifies a signed public key and challenge
- openssl_spki_export() - Exports a valid PEM formatted public key signed public key and challenge
- openssl_get_md_methods() - Gets available digest methods
- openssl_csr_new() - Erzeugt einen CSR
- openssl_csr_sign() - Signiert einen CSR mit einem anderen Zertifikat (oder sich selbst) und generiert ein Zertifikat