Perl

Extract a File from a .p7m (PKCS7 Signed-Data)

See more Encryption Examples

_LANGUAGE_ 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. Perl

use chilkat();

$success = 0;

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

$crypt = chilkat::CkCrypt2->new();

# 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 == 0) {
    print $crypt->lastErrorText() . "\r\n";
    exit;
}

print "Success!" . "\r\n";