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(Android™) Create CAdES-BES .p7m using Smart Card or USB TokenDemonstrates how to create a CAdES BES invoice.xml.p7m using a certificate stored on a smart card or USB token. Note: This example requires Chilkat v9.5.0.77 and at the time of this writing is restricted to the Windows operating system.
// Important: Don't forget to include the call to System.loadLibrary // as shown at the bottom of this code sample. package com.test; import android.app.Activity; import com.chilkatsoft.*; import android.widget.TextView; import android.os.Bundle; public class SimpleActivity extends Activity { private static final String TAG = "Chilkat"; // Called when the activity is first created. @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Note: Requires Chilkat v9.5.0.77 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkCrypt2 crypt = new CkCrypt2(); // Use a certificate on a smartcard or USB token. CkCert cert = new CkCert(); // Load the certificate on the smartcard currently in the reader (or on the USB token). // Pass an empty string to allow Chilkat to automatically choose the CSP (Cryptographi Service Provider). // See Load Certificate on Smartcard for information about explicitly selecting a particular CSP. boolean success = cert.LoadFromSmartcard(""); if (success != true) { Log.i(TAG, cert.lastErrorText()); return; } // Provide the smartcard PIN. // If the PIN is not explicitly provided here, the Windows OS should // display a dialog for the PIN. cert.put_SmartCardPin("000000"); // Provide the certificate for signing. success = crypt.SetSigningCert(cert); if (success != true) { Log.i(TAG, crypt.lastErrorText()); return; } // Indicate that SHA-256 should be used. crypt.put_HashAlgorithm("sha256"); // Specify the signed attributes to be included. // (This is what makes it CAdES-BES compliant.) CkJsonObject jsonSignedAttrs = new CkJsonObject(); jsonSignedAttrs.UpdateInt("contentType",1); jsonSignedAttrs.UpdateInt("signingTime",1); jsonSignedAttrs.UpdateInt("messageDigest",1); jsonSignedAttrs.UpdateInt("signingCertificateV2",1); crypt.put_SigningAttributes(jsonSignedAttrs.emit()); String inFile = "qa_data/xml/IT01234567890_11002.xml"; String sigFile = "qa_output/IT01234567890_11002.xml.p7m"; // Create the CAdES-BES signature, which contains the original data. success = crypt.CreateP7M(inFile,sigFile); if (success == false) { Log.i(TAG, crypt.lastErrorText()); return; } Log.i(TAG, "Success."); } static { System.loadLibrary("chilkat"); // Note: If the incorrect library name is passed to System.loadLibrary, // then you will see the following error message at application startup: //"The application <your-application-name> has stopped unexpectedly. Please try again." } } |
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