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(PHP 5 >= 5.6.0, PHP 7, PHP 8)
openssl_spki_verify — Verifies a signed public key and challenge
Validates the supplied signed public key and challenge
spki
Expects a valid signed public key and challenge
Emits an E_WARNING
level error if an invalid argument
is passed via the spki
parameter.
Beispiel #1 openssl_spki_verify() example
Validates an existing signed public key and challenge
<?php
$pkey = openssl_pkey_new('secret password');
$spkac = openssl_spki_new($pkey, 'challenge string');
if (openssl_spki_verify(preg_replace('/SPKAC=/', '', $spkac))) {
echo $spkac;
} else {
echo "SPKAC validation failed";
}
?>
Beispiel #2 openssl_spki_verify() example from <keygen>
Validates an existing signed public key and challenge issued from the <keygen> element
<?php
if (openssl_spki_verify(preg_replace('/SPKAC=/', '', $_POST['spkac']))) {
echo $spkac;
} else {
echo "SPKAC validation failed";
}
?>
<keygen name="spkac" challenge="challenge string" keytype="RSA">