openssl_pkcs7_encrypt - Encrypt an S/MIME message
Вернуться к: OpenSSL
openssl_pkcs7_encrypt
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_pkcs7_encrypt — Encrypt an S/MIME message
Описание
$infile
, string $outfile
, mixed $recipcerts
, array $headers
[, int $flags = 0
[, int $cipherid = OPENSSL_CIPHER_RC2_40
]] )
openssl_pkcs7_encrypt() takes the contents of the
file named infile and encrypts them using an RC2
40-bit cipher so that they can only be read by the intended recipients
specified by recipcerts.
Список параметров
-
infile -
-
outfile -
-
recipcerts -
Either a lone X.509 certificate, or an array of X.509 certificates.
-
headers -
headersis an array of headers that will be prepended to the data after it has been encrypted.headerscan be either an associative array keyed by header name, or an indexed array, where each element contains a single header line. -
flags -
flagscan be used to specify options that affect the encoding process - see PKCS7 constants. -
cipherid -
One of cipher constants.
Возвращаемые значения
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
Примеры
Пример #1 openssl_pkcs7_encrypt() example
<?php
// the message you want to encrypt and send to your secret agent
// in the field, known as nighthawk. You have his certificate
// in the file nighthawk.pem
$data = <<<EOD
Nighthawk,
Top secret, for your eyes only!
The enemy is closing in! Meet me at the cafe at 8.30am
to collect your forged passport!
HQ
EOD;
// load key
$key = file_get_contents("nighthawk.pem");
// save message to file
$fp = fopen("msg.txt", "w");
fwrite($fp, $data);
fclose($fp);
// encrypt it
if (openssl_pkcs7_encrypt("msg.txt", "enc.txt", $key,
array("To" => "nighthawk@example.com", // keyed syntax
"From: HQ <hq@example.com>", // indexed syntax
"Subject" => "Eyes only"))) {
// message encrypted - send it!
exec(ini_get("sendmail_path") . " < enc.txt");
}
?>
Вернуться к: OpenSSL