(Perl) Encrypt using Cert to produce -----BEGIN PKCS7----- ... -----END PKCS7-----

Demonstrates how to encrypt using a certificate to produce output such as:

-----BEGIN PKCS7-----
MIIHPwYJKoZIhvcNAQcEoIIHMDCCBywC ...
...
...
-----END PKCS7-----

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

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

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

#  Specify the encryption to be used.
#  "pki" indicates "Public Key Infrastructure" and will create a PKCS7 encrypted (enveloped) message.
$crypt->put_CryptAlgorithm("pki");
$crypt->put_Pkcs7CryptAlg("aes");
$crypt->put_KeyLength(128);
$crypt->put_OaepHash("sha256");
$crypt->put_OaepPadding(1);

#  A certificate is needed as the encryption key..
$cert = chilkat::CkCert->new();
$success = $cert->LoadFromFile("qa_data/certs/testCert.pem");
if ($success != 1) {
    print $cert->lastErrorText() . "\r\n";
    exit;
}

#  Tell the crypt object to use the certificate.
$crypt->SetEncryptCert($cert);

$toBeEncrypted = "This string is to be encrypted.";

#  Get the result in multi-line BASE64 MIME format.
$crypt->put_EncodingMode("base64_mime");

$encryptedStr = $crypt->encryptStringENC($toBeEncrypted);
if ($success != 1) {
    print $crypt->lastErrorText() . "\r\n";
    exit;
}

#  Make a "-----BEGIN PKCS7-----" ... "-----END PKCS7-----" sandwich...
$sb = chilkat::CkStringBuilder->new();
$sb->AppendLine("-----BEGIN PKCS7-----",1);
$sb->Append($encryptedStr);
$sb->AppendLine("-----END PKCS7-----",1);

$outStr = $sb->getAsString();

print $outStr . "\r\n";

#  Sample output:

#  -----BEGIN PKCS7-----
#  MIICYQYJKoZIhvcNAQcDoIICUjCCAk4CAQAxggH5MIIB9QIBADCBsTCBmzELMAkGA1UEBhMCR0Ix
#  GzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR
#  Q09NT0RPIENBIExpbWl0ZWQxQTA/BgNVBAMTOENPTU9ETyBTSEEtMjU2IENsaWVudCBBdXRoZW50
#  aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBAhEAuBl4qE2MODB05C5h53M5UDA4BgkqhkiG9w0B
#  AQcwK6APMA0GCWCGSAFlAwQCAQUAoRgwFgYJKoZIhvcNAQEIMAkGBSsOAwIaBQAEggEAyZejlE37
#  awl0bCWVbOCqf9yLSN17mZRamG8FHDh3nNu11G0+oyJtsPDEnSKsQig0V67MZ+hcWV+uf4ytcjyx
#  H0gs5uex+LwkB+c3ZTOt18IYWFtRilg1HFy1ZN3t0D2QbxYy+i1TXOOwp3gAHL45vRCJ0FbKyQ36
#  pKl0XLe+lRvp2EiJCKVjxtX8VcZOKT4xkG7yOARaCQceth6pA58Dg0yzAz7w4nD2UgAlNzrXG69X
#  e+7e7yfBv47RRqFiQqDpCn+fM/PmFbUyqBppMwc64yP+fJek8VyJw2/UaXWWM4iSKSflk90tiHwf
#  loEU3It4arnSv94fZQo0v129aBqpWzBMBgkqhkiG9w0BBwEwHQYJYIZIAWUDBAECBBCohUgm5qX+
#  TE6PxtPCmWi8gCBgbNg39emAB+AqLozm+vSLjZOGfg3M52gccKUJ8tg8XQ==
#  -----END PKCS7-----