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(Android™) Backup Windows Current User / Personal Certificates to a .zipDemonstrates how to backup the certificates in the Windows registry-based Current User certificate store (in the "Personal" Logical Store as seen in certmgr.msc), to a zip archive. Certificates having an exportable private key are exported to .pfx files. Certificates with no private key, or with a non-exportable private key, are exported to .cer files. Obviously, this example only runs on Windows computers.
// 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); CkCertStore certStore = new CkCertStore(); boolean readOnly = true; boolean success = certStore.OpenCurrentUserStore(readOnly); if (!success) { Log.i(TAG, certStore.lastErrorText()); return; } String pfxPassword = "secret"; boolean allSuccess = true; int numSuccess = 0; CkZipEntry entry; CkZip zip = new CkZip(); zip.NewZip("qa_output/personalCerts.zip"); CkBinData certData = new CkBinData(); CkStringBuilder sbFilename = new CkStringBuilder(); // Iterate over the certificates in the Current User store. int numCerts = certStore.get_NumCertificates(); int i = 0; while (i < numCerts) { CkCert cert = certStore.GetCertificate(i); Log.i(TAG, "DN = " + cert.subjectDN()); sbFilename.SetString("cert"); sbFilename.AppendInt(i + 1); boolean bHasPrivateKey = cert.HasPrivateKey(); if ((bHasPrivateKey == true) and (cert.get_PrivateKeyExportable() == true)) { // Export to a .pfx success = cert.ExportToPfxBd(pfxPassword,true,certData); if (success == true) { sbFilename.Append(".pfx"); entry = zip.AppendBd(sbFilename.getAsString(),certData); } } else { // Export to a .cer success = cert.ExportCertDerBd(certData); if (success == true) { sbFilename.Append(".cer"); entry = zip.AppendBd(sbFilename.getAsString(),certData); } } if (success != true) { allSuccess = false; } else { numSuccess = numSuccess + 1; } i = i + 1; } if (numSuccess > 0) { success = zip.WriteZipAndClose(); if (success != true) { Log.i(TAG, zip.lastErrorText()); allSuccess = false; } } Log.i(TAG, "All success = " + String.valueOf(allSuccess)); } 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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