Java

Decrypt2

See more MIME Examples

Demonstrates how to decrypt MIME using a certificate and private key where the certificate and its corresponding private key are stored in separate files -- a .cer for the certificate, and a .pem for the private key. Java

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[])
  {
    boolean success = false;

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

    CkMime mime = new CkMime();

    // Load the certificate from a .cer file.
    CkCert cert = new CkCert();
    success = cert.LoadFromFile("aaworkarea/myCert.cer");
    if (success == false) {
        System.out.println(cert.lastErrorText());
        return;
        }

    // Load the private key from an encrypted PEM file.
    // (A private key can be loaded from other file formats also..)
    CkPrivateKey privKey = new CkPrivateKey();
    success = privKey.LoadEncryptedPemFile("aaworkarea/myPrivateKey.pem","myPassword");
    if (success == false) {
        System.out.println(privKey.lastErrorText());
        return;
        }

    success = mime.LoadMimeFile("aaworkarea/encryptedMime.txt");
    if (success == false) {
        System.out.println(mime.lastErrorText());
        return;
        }

    // Decrypt using the cert and associated private key
    success = mime.Decrypt2(cert,privKey);
    if (success == false) {
        System.out.println(mime.lastErrorText());
        return;
        }

    // Save the S/MIME to a file.
    success = mime.SaveMime("aaworkarea/decryptedMime.txt");
    if (success == false) {
        System.out.println(mime.lastErrorText());
        return;
        }

    System.out.println("success!");
  }
}