(PHP Extension) Workaround for the deprecated Crypt2.SignBytesENC method

Shows how to replace the deprecated SignBytesENC method. (Chilkat is moving away from the use of CkByteData.)

Note: This example requires Chilkat v11.0.0 or greater.

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

<?php

include("chilkat.php");

$crypt = new CkCrypt2();

$cert = new CkCert();
// ...
// Load the cert from a source such as a .pfx/.p12 file, smart card, USB token, Apple keychain, Windows certificate store, etc.
// 
$success = $crypt->SetSigningCert($cert);

$crypt->put_EncodingMode('base64');
$crypt->put_HashAlgorithm('sha256');

$path = 'c:/someDir/example.dat';

// ------------------------------------------------------------------------
// The SignBytesENC method is deprecated:

$inData = new CkByteData();
$inData->loadFile($path);

$base64_sig = $crypt->signBytesENC($inData);

// ------------------------------------------------------------------------
// Workaround.
// (Chilkat is moving away from using CkByteData)

$bdIn = new CkBinData();
$bdIn->LoadFile($path);

$base64_sig = $crypt->signBdENC($bdIn);

?>