(Java) Send Signed and Encrypted EDI Email (EDIFACT)

Demonstrates how to send a signed and encrypted EDI email (EDIFACT email).

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    //  The mailman object is used for sending and receiving email.
    CkMailMan mailman = new CkMailMan();

    //  Create a new email object
    CkEmail email;

    //  Build the basic EDI email where the body is the EDIFACT message:
    String ediMsg = "UNB+IATB:1+6XPPC ...";
    String name = "something";
    String filename = "something";
    String charset = "iso-8859-1";
    email.SetEdifactBody(ediMsg,name,filename,charset);

    email.put_Subject("This is the subject");
    email.put_From("Chilkat Admin <admin@chilkatsoft.com>");
    boolean success = email.AddTo("Chilkat Support","support@chilkatsoft.com");

    //  Indicate that the email should be sent signed.
    email.put_SendSigned(true);

    //  Tell the mailman to use a PFX file as a source for locating
    //  the certificate and private key required for signing.
    //  The certificate chosen for signing will be the one that
    //  matches the sender's email address, which also has
    //  a private key.  All intermediate certs in the chain of
    //  authentication, up to and including the root, will
    //  be included in the signature.
    success = mailman.AddPfxSourceFile("/pfx_files/myCertAndPrivateKey.pfx","secret");
    if (success != true) {
        System.out.println(mailman.lastErrorText());
        return;
        }

    //  Load the .cer file into a certificate object.
    //  When sending S/MIME encrypted email, it is the recipient's
    //  certificate that is used for encryption.  Only the public key
    //  is needed to encrypt.  The recipient is the only
    //  one possessing the private key, and therefore is the only
    //  one able to decrypt.
    CkCert cert;
    success = cert.LoadFromFile("/certs/recipientCert.cer");
    if (success != true) {
        System.out.println(cert.lastErrorText());
        return;
        }

    //  Indicate that the email is to be sent encrypted.
    email.put_SendEncrypted(true);

    //  Indicate that we want 192-bit 3DES encryption:
    email.put_Pkcs7CryptAlg("3des");
    email.put_Pkcs7KeyLength(192);

    //  Specify the certificate to be used for encryption.
    success = email.SetEncryptCert(cert);

    //  Tell the mailman to use an opaque signature (as opposed to a detached signature)
    mailman.put_OpaqueSigning(true);

    //  SMTP server (use your settings and refer to the online
    //  reference  documentation for more options)
    mailman.put_SmtpHost("smtp.mymailserver.com");
    mailman.put_SmtpUsername("myLogin");
    mailman.put_SmtpPassword("myPassword");
    mailman.put_SmtpPort(587);
    mailman.put_StartTLS(true);

    //  Send the signed/encrypted EDI email
    success = mailman.SendEmail(email);
    if (success != true) {
        System.out.println(mailman.lastErrorText());
        }
    else {
        System.out.println("Mail Sent!");
        }
  }
}