(Android™) SSH Key Fingerprint

Generates a fingerprint for an SSH key.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// 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);

    CkSshKey key = new CkSshKey();

    boolean success;

    // Load an SSH key from an encrypted OpenSSH-formatted private key:
    key.put_Password("secret");

    String keyStr;
    // First load the PEM into a string:
    keyStr = key.loadText("privkey_openssh_encrypted.pem");

    // Import into the SSH key object:
    success = key.FromOpenSshPrivateKey(keyStr);
    if (success != true) {
        Log.i(TAG, key.lastErrorText());
        return;
        }

    // Generate the fingerprint:
    String fingerprint;
    fingerprint = key.genFingerprint();

    Log.i(TAG, fingerprint);

    // A sample fingerpring looks like this:
    // ssh-dss 2048 d0:5f:f7:d6:49:60:7b:50:19:f4:41:59:d4:1f:61:7

  }

  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."
  }
}