(PHP 4 >= 4.0.6, PHP 5, PHP 7)
Decrypts an S/MIME encrypted message
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
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.
outfilename
The decrypted message is written to the file specified by outfilename.
recipcert
The decrypted message is written to the file specified by outfilename.
recipkey
The decrypted message is written to the file specified by outfilename.
Returns:
Returns TRUE on success or FALSE on failure.
Examples:
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!";
}
?>
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