PHP 8.3.4 Released!

openssl_spki_export_challenge

(PHP 5 >= 5.6.0, PHP 7, PHP 8)

openssl_spki_export_challengeExports the challenge associated with a signed public key and challenge

Beschreibung

openssl_spki_export_challenge(string $spki): string|false

Exports 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

add a note

User Contributed Notes

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