Perl

PKCS7 Encrypt MIME

See more MIME Examples

Encrypt MIME using a digital certificate to create PKCS7 encrypted S/MIME. 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 $mime = Chilkat2::Mime->new;

# Build a simple MIME message to be encrypted:
my $success = $mime->AddHeaderField('Content-Type', 'text/plain');
$success = $mime->AddHeaderField('abc', '123');
$mime->SetBody('This is a test');

# A digital certificate is required to create PKCS7 encrypted MIME.
# It can come from a variety of sources: .cer file, .pfx file, PEM files,
# an in-memory representation, or directly from a Windows
# registry-based certificate store.

# This example will load a certificate object from a .cer file.
# Note: Only the public-key is required to encrypt.  (Decryption
# requires a private key.)

my $cert = Chilkat2::Cert->new;
$success = $cert->LoadFromFile('myCert.cer');
if (!$success) {
    print $cert->LastErrorText, "\n";
    exit;
}

# Encrypt the MIME:
$success = $mime->Encrypt($cert);
if (!$success) {
    print $mime->LastErrorText, "\n";
    exit;
}

# Display the MIME:
print $mime->GetMime(), "\n";

# The resulting S/MIME looks something like this:

# abc: 123
# Content-Disposition: attachment; filename="smime.p7m";
# Content-Transfer-Encoding: base64
# Content-Type: application/x-pkcs7-mime;
#  name="smime.p7m";
#
# MIICAQYJKoZIhvcNAQcDoIIB8jCCAe4CAQAxggGFMIIBgQIBADBpMFUxCzAJBgNVBAYTAlpBMSUw
# IwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBMdGQuMR8wHQYDVQQDExZUaGF3dGUgQ29k
# ZSBTaWduaW5nIENBAhB4ouTcAmLszrGi170k1deSMA0GCSqGSIb3DQEBAQUABIIBABz59iwVufLZ
# QIPs0whUYMtBjIQxg5IOCxpoKJeJmLVzu9Q5Q1poxG9uYOveybS9c4wbl5A0DFfKTW5O4HhHcOHW
# TgcH4iqdwhiFWm/q9d5rjceJWBFQsGOcgoXSU/U2Xp+N47/+Pqyc5XJbxKnOc4YhPzO320JZsNB6
# p1NGk5SNnWqgbUDmEnfH8ZPHSV7dNi2aiFALYTyLjyp0lqJCsdZ524OPTZFfusrl/9ibPAW7jKuI
# FgDCcBtRJvolVF8iIHxaTw4rhk0qb1KWzxvB5j9HSLdyIKIPhZbxeS10bx18YkSsBlKfdKRalQag
# 3oWSRdsK9/N75YHG8Pm+x9BOHUAwYAYJKoZIhvcNAQcBMBkGCCqGSIb3DQMCMA0CAToECAb+toBW
# txZigDhGZKSpUpuTiWvvSMemX/c79sSnMpuefVwGKFTDgXVLE2SoD5a9Yh5vcG7Mhl2IkilVwOMc
# fi23+g==