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PHP Extension

Example: Mime.GetDecryptCertInfo method

Demonstrates the GetDecryptCertInfo method.

Chilkat PHP Extension Downloads

PHP Extension
<?php

include("chilkat.php");

$success = false;

$mime = new CkMime();

// Load MIME that is has Content-Type like this:
// Content-Type: application/pkcs7-mime; smime-type="enveloped-data"; name="smime.p7m"; smime-type="enveloped-data"
$success = $mime->LoadMimeFile('qa_data/mime/enveloped_data.eml');
if ($success == false) {
    print $mime->lastErrorText() . "\n";
    exit;
}

// Get information about the certificate that would be needed to decrypt.
// An enveloped-data can potentially be decrypted by multiple certificates if it was encrypted in a way that allows it,
// but in most cases, only a single certificate with associated private key (that of the message recipient) is possible.
$json = new CkJsonObject();
$success = $mime->GetDecryptCertInfo($json);
if ($success == false) {
    print $mime->lastErrorText() . "\n";
    exit;
}

$json->put_EmitCompact(false);
print $json->emit() . "\n";

// Sample output:

// {
//   "recipientInfo": [
//     {
//       "serial": "****",
//       "issuerCN": "****"
//     }
//   ]
// }

// Get each certificate's information like this:

$i = 0;
$count = $json->SizeOfArray('recipientInfo');
while ($i < $count) {
    $json->put_I($i);
    $serial = $json->stringOf('recipientInfo[i].serial');
    $issuerCN = $json->stringOf('recipientInfo[i].issuerCN');
    $i = $i + 1;
}


?>