openssl_pkcs7_decrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_pkcs7_decrypt — Decrypts an S/MIME encrypted message

Описание

bool openssl_pkcs7_decrypt ( string $infilename , string $outfilename , mixed $recipcert [, mixed $recipkey ] )

Decrypts the S/MIME encrypted message contained in the file specified by infilename using the certificate and its associated private key specified by recipcert and recipkey.

Список параметров

infilename
outfilename: The decrypted message is written to the file specified by outfilename.
recipcert
recipkey

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

Примеры

Пример #1 openssl_pkcs7_decrypt() example


<?php
// $cert and $key are assumed to contain your personal certificate and private
// key pair, and that you are the recipient of an S/MIME message
$infilename = "encrypted.msg";  // this file holds your encrypted message
$outfilename = "decrypted.msg"; // make sure you can write to this file

if (openssl_pkcs7_decrypt($infilename, $outfilename, $cert, $key)) {
    echo "decrypted!";
} else {
    echo "failed to decrypt!";
}
?>

Коментарии

Apr 29

Автор: oliver at anonsphere dot com


If you want to decrypt a received email, keep in mind that you need the full encrypted message including the mime header.



<?php



// Get the full message

$encrypted = imap_fetchmime($stream, $msg_number, "1", FT_UID);

$encrypted .= imap_fetchbody($stream, $msg_number, "1", FT_UID);



// Write the needed temporary files

$infile = tempnam("", "enc");

file_put_contents($infile, $encrypted); 

$outfile = tempnam("", "dec");



// The certification stuff

$public = file_get_contents("/path/to/your/cert.pem");

$private = array(file_get_contents("/path/to/your/cert.pem"), "password");



// Ready? Go!

if(openssl_pkcs7_decrypt($infile, $outfile, $public, $private))

{

    // Decryption successful

    echo file_get_contents($outfile);

}

else

{

    // Decryption failed

    echo "Oh oh! Decryption failed!";

}



// Remove the temp files

@unlink($infile);

@unlink($outfile);



?>