Java

CAdES BES Detached Signature

See more Encryption Examples

Demonstrates how to create a CAdES BES detached signature file (.p7s). 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.

    CkCrypt2 crypt = new CkCrypt2();

    // Use a digital certificate and private key from a PFX file (.pfx or .p12).
    String pfxPath = "/Users/chilkat/testData/pfx/acme.pfx";
    String pfxPassword = "test123";

    CkCert cert = new CkCert();
    success = cert.LoadPfxFile(pfxPath,pfxPassword);
    if (success != true) {
        System.out.println(cert.lastErrorText());
        return;
        }

    // Tell the crypt component to use this cert.
    success = crypt.SetSigningCert(cert);
    if (success != true) {
        System.out.println(crypt.lastErrorText());
        return;
        }

    // The CadesEnabled property applies to all methods that create PKCS7 signatures. 
    // To create a CAdES-BES signature, set this property equal to true. 
    crypt.put_CadesEnabled(true);

    // We can sign any type of file, creating a .p7s as output:
    String inFile = "/Users/chilkat/testData/pdf/sample.pdf";
    String sigFile = "/Users/chilkat/testData/p7s/sample.p7s";

    // Create the detached CAdES-BES signature:
    success = crypt.CreateP7S(inFile,sigFile);
    if (success == false) {
        System.out.println(crypt.lastErrorText());
        return;
        }

    success = crypt.VerifyP7S(inFile,sigFile);
    if (success == false) {
        System.out.println(crypt.lastErrorText());
        return;
        }

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