Php/docs/function.openssl-pkcs7-decrypt

• PHP Manual
• OpenSSL Functions
• Decrypts an S/MIME encrypted message

openssl_pkcs7_decrypt

(PHP 4 >= 4.0.6, PHP 5, PHP 7)

openssl_pkcs7_decrypt — Decrypts an S/MIME encrypted message

Description

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

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 #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$outfilename = "decrypted.msg"; // make sure you can write to this fileif (openssl_pkcs7_decrypt($infilename, $outfilename, $cert, $key)) {    echo "decrypted!";} else {    echo "failed to decrypt!";}?>