(PHP Extension) PKCS7 Decrypt MIME

Loads a PKCS7 encrypted MIME file and decrypts. The cert and private key used for decryption is loaded from a PFX file.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$mime = new CkMime();

// Load the MIME
$success = $mime->LoadMimeFile('encryptedMime.txt');
if ($success == false) {
    print $mime->lastErrorText() . "\n";
    exit;
}

// The AddPfxSourceFile and/or AddPfxSourceData
// methods may be called one or more times (one per PFX)
// to add sources from which the MIME component will
// search for certificates and private keys when decrypting.
$pfxPassword = 'myPassword';
$success = $mime->AddPfxSourceFile('myCertAndPrivateKey.pfx',$pfxPassword);
if ($success == false) {
    print $mime->lastErrorText() . "\n";
    exit;
}

// Decrypt...
$success = $mime->Decrypt();
if ($success == false) {
    print $mime->lastErrorText() . "\n";
    exit;
}

// Display the decrypted MIME:
print $mime->getMime() . "\n";

?>