Php/docs/function.openssl-pkcs7-encrypt
openssl_pkcs7_encrypt
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_pkcs7_encrypt — 加密一个 S/MIME 消息
说明
openssl_pkcs7_encrypt
( string $infile
, string $outfile
, mixed $recipcerts
, array $headers
[, int $flags
= 0
[, int $cipherid
= OPENSSL_CIPHER_RC2_40
]] ) : bool
openssl_pkcs7_encrypt() 获取文件名为infile
的文件内容并使用 RC2 40位的密码将之加密,以至于他们只能被预期的名为recipcerts
的接收者阅读。
参数
infile
outfile
recipcerts
一个单独的X.509证书,或者一个X.509证书的数组。
headers
headers
是包含头信息的数组,在被加密后将对数据进行预处理。headers
可以是以头名为键值的关联数组,也可以是一个索引数组,其中每个元素都包含一个单独的标题行flags
flags
用来指定影响编码过程的选项 - 参见 PKCS7 常量.cipherid
密码常量之一。
返回值
成功时返回 true
, 或者在失败时返回 false
。
范例
Example #1 openssl_pkcs7_encrypt() 范例
<?php// the message you want to encrypt and send to your secret agent// in the field, known as nighthawk. You have his certificate// in the file nighthawk.pem$data = <<<EODNighthawk,Top secret, for your eyes only!The enemy is closing in! Meet me at the cafe at 8.30amto collect your forged passport!HQEOD;// load key$key = file_get_contents("nighthawk.pem");// save message to file$fp = fopen("msg.txt", "w");fwrite($fp, $data);fclose($fp);// encrypt itif (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");}?>