openssl_spki_export
(PHP 5 >= 5.6.0, PHP 7, PHP 8)
openssl_spki_export — Exports a valid PEM formatted public key signed public key and challenge
Beschreibung
$spki
): string|falseExports PEM formatted public key from encoded signed public key and challenge
Parameter-Liste
-
spki
-
Expects a valid signed public key and challenge
Rückgabewerte
Returns the associated PEM formatted public key 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() example
Extracts the associated PEM formatted public key or NULL on failure.
<?php
$pkey = openssl_pkey_new('secret password');
$spkac = openssl_spki_new($pkey, 'challenge string');
$pubKey = openssl_spki_export(preg_replace('/SPKAC=/', '', $spkac));
if ($pubKey) {
echo $pubKey;
}
?>
Beispiel #2 openssl_spki_export() example from <keygen>
Extracts the associated PEM formatted public key issued from the <keygen> element
<?php
$spkac = openssl_spki_export(preg_replace('/SPKAC=/', '', $_POST['spkac']));
if ($spkac != NULL) {
echo $spkac;
} else {
echo "Extraction of pub key failed";
}
?>
<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_challenge() - Exports the challenge associated with a 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