OPENSSL_SPKI_VERIFY(3) 1 OPENSSL_SPKI_VERIFY(3)
openssl_spki_verify - Verifies a signed public key and challenge
SYNOPSIS
string openssl_spki_verify (string &$spkac)
DESCRIPTION
Validates the supplied signed public key and challenge
PARAMETERS
o $spkac
- Expects a valid signed public key and challenge
RETURN VALUES
Returns a boolean on success or failure.
ERRORS
/EXCEPTIONS
Emits an E_WARNING level error if an invalid argument is passed via the $spkac parameter.
EXAMPLES
Example #1
openssl_spki_verify(3) 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(3) 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">
SEE ALSO
openssl_spki_new(3), openssl_spki_export_challenge(3), openssl_spki_export(3), openssl_md_method(3), openssl_csr_new(3),
openssl_csr_sign(3).
PHP Documentation Group OPENSSL_SPKI_VERIFY(3)