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(PHP Extension) Send Encrypted Email using RSAES-OAEP with AES-128 CBC and SHA256Demonstrates how to send encrypted email using RSAES-OAEP with SHA256 and AES-128 content encryption. Note: This example requires Chilkat v9.5.0.67 or greater.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Load an RSA-based certificate. // (Encrypting an email only requires the public key. Decrypting an email requires the private key.) $cert = new CkCert(); $success = $cert->LoadFromFile('qa_data/rsaes-oaep/cert.pem'); if ($success != true) { print $cert->lastErrorText() . "\n"; exit; } $email = new CkEmail(); // Create a simple email. $email->put_Subject('Sample RSAES-OAEP Encrypted Email'); $email->put_Body('Sample RSAES-OAEP Encrypted Email'); $email->put_From('support@chilkatsoft.com'); // Add a recipient. // (The email is encrypted using the recipient's certificate. // If sending to multiple recipients, then the AddEncryptCert method would // need to be called once for each recipient's certificate.) $email->AddTo('Chilkat GMail','chilkat.support@gmail.com'); // Set the email object properties to indicate the desired encryption. $email->put_Pkcs7CryptAlg('aes'); // If AES-256 is desired, set the following property to 256. $email->put_Pkcs7KeyLength(128); $email->put_OaepPadding(true); // Other choices for the OAEP hash algorithm are "sha1", "sha384", and "sha512" $email->put_OaepHash('sha256'); // Provide the certificate to be used for encryption $email->AddEncryptCert($cert); // Don't forget to indicate that the email should be encrypted when sent.. $email->put_SendEncrypted(true); // The mailman object will do the RSAES-OAEP encryption when sending. $mailman = new CkMailMan(); // Set the SMTP settings for your email account on your mail server. $mailman->put_SmtpUsername('SMTP_LOGIN'); $mailman->put_SmtpPassword('SMTP_PASSWORD'); $mailman->put_SmtpHost('MY_SMTP_DOMAIN_OR_IP'); $mailman->put_SmtpPort(587); $mailman->put_StartTLS(true); // Send the email. The mailman will encrypt the email as directed by the // property settings of the email object. $success = $mailman->SendEmail($email); if ($success != true) { print $mailman->lastErrorText() . "\n"; exit; } $success = $mailman->CloseSmtpConnection(); if ($success != true) { print 'Connection to SMTP server not closed cleanly.' . "\n"; } print 'Mail Sent!' . "\n"; // ----------------------------------------------------------- // This is an example of an RSAES-OAEP encrypted email // ----------------------------------------------------------- // MIME-Version: 1.0 // Date: Thu, 27 Apr 2017 08:43:32 -0500 // Message-ID: <772DC039F0259C474BAC60240EA2BA2272402308@CHILKAT13> // Content-Type: application/pkcs7-mime; name="smime.p7m"; smime-type="enveloped-data" // Content-Transfer-Encoding: base64 // X-Priority: 3 (Normal) // Subject: Sample RSAES-OAEP Encrypted Email // From: support@chilkatsoft.com // To: "Chilkat GMail" <chilkat.support@gmail.com> // Content-Disposition: attachment; filename="smime.p7m" // // MIICWQYJKoZIhvcNAQcDoIICSjCCAkYCAQAxggGgMIIBnAIBADB1MGgxCzAJBgNVBAYTAlVTMQsw // CQYDVQQIDAJJTDEQMA4GA1UEBwwHV2hlYXRvbjEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ // dHkgTHRkMRcwFQYDVQQDDA5DaGlsa2F0V2lkZ2V0cwIJAMRwugDmvniwMBwGCSqGSIb3DQEBBzAP // oA0wCwYJYIZIAWUDBAIBBIIBABr0E1dKJjK0FAYRz/NCtJmBeB0nUxgcuBnhGPI/UeyGub3cCo+K // G5F4/iVTBJqVvYIF5+fvBnyTginwv7OiUiFWLyihiFC3NIyZJO22+XMHpNatCffTPZk10WswkTgk // G3ApnRvGQAaldnFD0Hs8drPU4vBvY9QsjT7YDGa6u2NMX+sr1ewEZArqU0mNfJ6RsEYd5FQbFEVF // qLmnz8Dt+yhoJlUtfUd8TXIeqHRJ7RxKOTSzlBZaAdTv2QX4oL9IcAgZeTg5iw+yRPkSAwWyg+I/ // 7fybLsUpRGDHTGUU+AvHvP0kYKa1mkvccBVEC/+4hEyhpS1tWIR5ByY6vM76Z+8wgZwGCSqGSIb3 // DQEHATAdBglghkgBZQMEAQIEEKqD0YDHX1NsVDaV32UczpeAcLteQyRPTV4hATjwcPiVelPfeWNs // xZKRGaEBqLM8+Y+V4ciCFoOlgJuOcP4m1PTHyilfzd+SCsKz5l1C7+sfPf36n2aacX6IWga59Bz5 // QbWrOHDUT7O5PnGwKVgQFw3Cj4GrdPGWKcoqxB0HuKnj3WA= ?> |
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