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openssl_pkcs7_decrypt

Decrypts an S/MIME encrypted message (PHP 4 >= 4.0.6, PHP 5)
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.

Parameters

infilename
outfilename

The decrypted message is written to the file specified by outfilename.

recipcert
recipkey

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example 1673. 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!";
}
?>