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이 문서에서는 PHP 중국어 웹사이트 매뉴얼 풀어 주다
(PHP 5 >= 5.6.0)
openssl_spki_export_challenge — Exports the challenge assoicated with a signed public key and challenge
&$spkac
)Exports challenge from encoded signed public key and challenge
spkac
Expects a valid signed public key and challenge
Returns the associated challenge string or NULL on failure.
Emits an E_WARNING
level error if an invalid argument
is passed via the spkac
parameter.
Example #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 ));
?>
Example #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">