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. Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

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

my $crypt = Chilkat2::Crypt2->new;

# What is a .p7m file?

my $outputFile = '/Users/chilkat/testData/pdf/sample.pdf';
my $inFile = '/Users/chilkat/testData/p7m/sample.pdf.p7m';

# Verify and restore the original file:
my $success = $crypt->VerifyP7M($inFile, $outputFile);
if (!$success) {
    print $crypt->LastErrorText, "\n";
    exit;
}

print "Success!\n";