Android™

Find Certificate by SHA1 Thumbprint

See more Cert Store Examples

Demonstrates how to find a certificate having the specified hexadecimal SHA1 thumbprint.

Note: Requires Chilkat v10.1.2 or later.

Android™

// 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);

    boolean success = false;

    CkCertStore certStore = new CkCertStore();

    //  This opens the Current User certificate store on Windows,
    //  On MacOS and iOS it opens the default Keychain.
    boolean readOnly = false;
    success = certStore.OpenCurrentUserStore(readOnly);
    if (success == false) {
        Log.i(TAG, certStore.lastErrorText());
        return;
        }

    //  Find the certificate having a specific SHA1 thumbprint.
    CkJsonObject json = new CkJsonObject();
    String hexThumbprint = "767192374BE3C1512D2CB80734926D40E96D6DC2";
    json.UpdateString("thumbprint",hexThumbprint);

    CkCert cert = new CkCert();
    success = certStore.FindCert(json,cert);
    if (success == true) {
        //  Show the full distinguished name of the certificate.
        Log.i(TAG, "Found: " + cert.subjectDN());
        }
    else {
        Log.i(TAG, "Not found.");
        }


  }

  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."
  }
}