(PHP Extension) Extract a File from a .p7m (PKCS7 Signed-Data)
PHP Extension example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M.
<?php
include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
$crypt = new CkCrypt2();
// What is a .p7m file?
$outputFile = '/Users/chilkat/testData/pdf/sample.pdf';
$inFile = '/Users/chilkat/testData/p7m/sample.pdf.p7m';
// Verify and restore the original file:
$success = $crypt->VerifyP7M($inFile,$outputFile);
if ($success == false) {
print $crypt->lastErrorText() . "\n";
exit;
}
print 'Success!' . "\n";
?>
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