openssl_pkcs7_sign - Sign an S/MIME message
Вернуться к: OpenSSL
openssl_pkcs7_sign
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_pkcs7_sign — Sign an S/MIME message
Описание
$infilename
, string $outfilename
, mixed $signcert
, mixed $privkey
, array $headers
[, int $flags = PKCS7_DETACHED
[, string $extracerts
]] )
openssl_pkcs7_sign() takes the contents of the file
named infilename and signs them using the
certificate and its matching private key specified by
signcert and privkey
parameters.
Список параметров
-
infilename -
-
outfilename -
-
signcert -
-
privkey -
-
headers -
headersis an array of headers that will be prepended to the data after it has been signed (see openssl_pkcs7_encrypt() for more information about the format of this parameter). -
flags -
flagscan be used to alter the output - see PKCS7 constants. -
extracerts -
extracertsspecifies the name of a file containing a bunch of extra certificates to include in the signature which can for example be used to help the recipient to verify the certificate that you used.
Возвращаемые значения
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
Примеры
Пример #1 openssl_pkcs7_sign() example
<?php
// the message you want to sign so that recipient can be sure it was you that
// sent it
$data = <<<EOD
You have my authorization to spend $10,000 on dinner expenses.
The CEO
EOD;
// save message to file
$fp = fopen("msg.txt", "w");
fwrite($fp, $data);
fclose($fp);
// encrypt it
if (openssl_pkcs7_sign("msg.txt", "signed.txt", "mycert.pem",
array("file://mycert.pem", "mypassphrase"),
array("To" => "joes@example.com", // keyed syntax
"From: HQ <ceo@example.com>", // indexed syntax
"Subject" => "Eyes only")
)) {
// message signed - send it!
exec(ini_get("sendmail_path") . " < signed.txt");
}
?>
Вернуться к: OpenSSL