Java

Extract XML string from a .p7m byte array (e.g. FATTURA ELETTRONICA, ITALY)

See more Digital Signatures Examples

_LANGUAGE_ example to extract the original XML from a .p7m (Signed-Data PKCS7 Format) provided as a byte array.

One use for this example is to extract the original XML from a Fattura Elettronica .p7m signature.

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[])
  {
    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkFileAccess fac = new CkFileAccess();
    CkByteData p7mBytes = new CkByteData();
    success = fac.ReadEntireFile("testData/p7m/fattura_signature.p7m",p7mBytes);
    if (fac.get_LastMethodSuccess() != true) {
        System.out.println(fac.lastErrorText());
        return;
        }

    CkCrypt2 crypt = new CkCrypt2();

    String originalXml = crypt.opaqueVerifyString(p7mBytes);
    if (crypt.get_LastMethodSuccess() != true) {
        System.out.println(fac.lastErrorText());
        return;
        }

    System.out.println("Original XML:");
    System.out.println(originalXml);

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