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(PHP 5 >= 5.6.0)
openssl_spki_verify — Verifies a signed public key and challenge
&$spkac
)Validates the supplied signed public key and challenge
spkac
Expects a valid signed public key and challenge
Returns a boolean on success or failure.
Emits an E_WARNING
level error if an invalid argument
is passed via the spkac
parameter.
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">