openssl_pkcs7_encrypt
(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_pkcs7_encrypt — 加密一個 S/MIME 訊息
說明
openssl_pkcs7_encrypt(
string
string
mixed
array
int
int
): bool
string
$infile,string
$outfile,mixed
$recipcerts,array
$headers,int
$flags = 0,int
$cipherid = OPENSSL_CIPHER_RC2_40): bool
openssl_pkcs7_encrypt() 獲取檔名為infile的檔案內容並使用 RC2 40位的密碼將之加密，以至於他們只能被預期的名為recipcerts的接收者閱讀。
參數
返回值
成功時返回 true， 或者在失敗時返回 false。
範例
示例 #1 openssl_pkcs7_encrypt() 範例
<?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" => "[email protected]", // keyed syntax
"From: HQ <[email protected]>", // indexed syntax
"Subject" => "Eyes only"))) {
// message encrypted - send it!
exec(ini_get("sendmail_path") . " < enc.txt");
}
?>