openssl_spki_verify

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

openssl_spki_verify — Verifies a signed public key and challenge

Descrizione

openssl_spki_verify(string $spki): bool

Validates the supplied signed public key and challenge

Elenco dei parametri

spki: Expects a valid signed public key and challenge

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.

Errori/Eccezioni

Emits an E_WARNING level error if an invalid argument is passed via the spki parameter.

Esempi

Example #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";
}
?>

Example #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">

Vedere anche:

openssl_spki_new() - Generate a new signed public key and challenge
openssl_spki_export_challenge() - Exports the challenge associated with 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() - Generates a CSR
openssl_csr_sign() - Sign a CSR with another certificate (or itself) and generate a certificate