ameblo.over-update.download

• Android Studio Generate Apk With Key Hash Maker

In this tutorial, we will learn to create a hashing application. User can enter some text into the edit textbox,

Mar 26, 2018  How to Generate Signed APK File Using Android Studio: This is a tutorial on how to generate signed APK using Android Studio. Dribble Dunk App: http://bit.ly/. บทความนี้ ขอบันทึกเรื่อง เกี่ยวกับ hash key สำหรับ facebook integration สักนิดนึงครับ เผื่อมีประโยชน์ครับ ปก+ Read More. สร้าง keystore ใน Android studio. Mar 14, 2018  How to retrieve Key Alias and Key Password for signed APK - Many times while creating a release build of an Android application, I have created a keystore. For debugging, if using Eclipse, you will want to generate this Key Hash using the Android debug key. When you are ready to publish your app, you will need to generate a Key Hash for your signing keys and update this value in Facebook before your signed app will work. Have a look at below links. For debugging, if using Eclipse, you will want to generate this Key Hash using the Android debug key. When you are ready to publish your app, you will need to generate a Key Hash for your signing keys and update this value in Facebook before your signed app will work. Have a look at below links.

then click the button. The application will show the hash values generated from different hash functions,

including MD5, SHA1, SHA256, SHA384 and SHA512. The application can also compare the equality of two

messages by using hash values generated by SHA-256.

This lab will illustrate all the major hash function have been used in real world recently. The function has been

implemented are MD5, SHA-1, SHA-256, SHA-384, SHA-512. Second part of this lab is to compare the SHA-256

hash value for two input messages to determine whether these two messages are same or not.

ü Android Studio

ü Java JDK, JRE

ü Android SDK

Create a new android project

Project Name: hashing
Package Name: android.hashing

Go to Hashing->…->res->layout folder

Create main.xml, hash.xml and compare.xml in the layout folder. Copy and paste code from relative file in the attachment section.

Go to Hashing->res

Put all the images into drawable-hdpi folder (hash.jpghashing.jpg).

Go to Hashing->src->android.hashing->HashingActivity.java

Copy and paste the following code in “ HashingActivity.java”

package android.hashing;

import android.support.v7.app.ActionBarActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.Menu;

import android.view.MenuItem;

import java.io.UnsupportedEncodingException;

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

import android.app.Activity;

import android.content.Context;

import android.view.View;

import android.view.inputmethod.InputMethodManager;

import android.widget.Button;

import android.widget.EditText;

import android.widget.ImageButton;

import android.widget.TableLayout;

import android.widget.TextView;

public class HashingActivity extends ActionBarActivity {

ImageButton hashing, compare, filechk, hash_out, compare_out, back1, back2;

TextView t1, t2, t3, hash_text, compare_result, md5_result, sha1_result,

sha256_result, sha384_result, sha512_result;

Button md5_btn, sha1_btn, sha256_btn, sha384_btn, sha512_btn;

EditText inputText, compareText1, compareText2;

TableLayout table;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

hashing = (ImageButton) findViewById(R.id.hash_btn);

compare = (ImageButton) findViewById(R.id.compare_btn);

}

public void hash_click(View view) {

setContentView(R.layout.hash);

t1 = (TextView) findViewById(R.id.tv1);

inputText = (EditText) findViewById(R.id.inputText);

hash_text = (TextView) findViewById(R.id.tv2);

md5_result = (TextView) findViewById(R.id.md5_result);

sha1_result = (TextView) findViewById(R.id.sha1_result);

sha256_result = (TextView) findViewById(R.id.sha256_result);

sha384_result = (TextView) findViewById(R.id.sha384_result);

sha512_result = (TextView) findViewById(R.id.sha512_result);

hash_out = (ImageButton) findViewById(R.id.hashresult);

back1 = (ImageButton) findViewById(R.id.back1);

table = (TableLayout) findViewById(R.id.TableLayout);

table.setVisibility(TableLayout.INVISIBLE);

}

public void hashresult_click(View view) throws NoSuchAlgorithmException,

UnsupportedEncodingException {

byte[] input, output1, output2, output3, output4, output5;

// create hash code

input = inputText.getText().toString().getBytes();

Log.i('VINH INPUT TEXT', inputText.getText().toString());

// MD5

MessageDigest md5 = MessageDigest.getInstance('MD5');

md5.reset();

md5.update(input);

output1 = md5.digest();

// create hex output

Android Studio Generate Apk With Key Hash Maker

StringBuffer hexString1 = new StringBuffer();

for (int i = 0; i < output1.length; i++)

hexString1.append(Integer.toHexString(0xFF & output1[i]));

md5_result.setText(hexString1.toString());

Log.i('VINH MD5 OUTPUT ', hexString1.toString());

// SHA-1

MessageDigest sha1 = MessageDigest.getInstance('SHA-1');

sha1.reset();

sha1.update(input);

output2 = sha1.digest();

// create hex output

StringBuffer hexString2 = new StringBuffer();

for (int i = 0; i < output2.length; i++)

hexString2.append(Integer.toHexString(0xFF & output2[i]));

sha1_result.setText(hexString2.toString());

Log.i('VINH SHA1 OUTPUT ', hexString2.toString());

// SHA-256

MessageDigest sha256 = MessageDigest.getInstance('SHA-256');

sha256.reset();

sha256.update(input);

output3 = sha256.digest();

// create hex output

StringBuffer hexString3 = new StringBuffer();

for (int i = 0; i < output3.length; i++)

hexString3.append(Integer.toHexString(0xFF & output3[i]));

sha256_result.setText(hexString3.toString());

Log.i('VINH SHA256 OUTPUT ', hexString3.toString());

// SHA-384

MessageDigest sha384 = MessageDigest.getInstance('SHA-384');

sha384.reset();

sha384.update(input);

output4 = sha384.digest();

// create hex output

StringBuffer hexString4 = new StringBuffer();

for (int i = 0; i < output4.length; i++)

hexString4.append(Integer.toHexString(0xFF & output4[i]));

sha384_result.setText(hexString4.toString());

Log.i('VINH SHA384 OUTPUT ', hexString4.toString());

// SHA-512

MessageDigest sha512 = MessageDigest.getInstance('SHA-512');

sha512.reset();

sha512.update(input);

output5 = sha512.digest();

// create hex output

Windows 10 product ultimate key generator. StringBuffer hexString5 = new StringBuffer();

for (int i = 0; i < output5.length; i++)

hexString5.append(Integer.toHexString(0xFF & output5[i]));

sha512_result.setText(hexString5.toString());

Log.i('VINH SHA512 OUTPUT ', hexString5.toString());

table.setVisibility(TableLayout.VISIBLE);

}

// compare function

public void compare_click(View view)

{

setContentView(R.layout.compare);

t2 = (TextView) findViewById(R.id.compare_tv1);

t3 = (TextView) findViewById(R.id.compare_tv2);

compareText1 = (EditText) findViewById(R.id.compare_et1);

compareText2 = (EditText) findViewById(R.id.compare_et2);

compare_result = (TextView) findViewById(R.id.compare_result);

compare_out = (ImageButton) findViewById(R.id.compare);

back2 = (ImageButton) findViewById(R.id.back2);

}

public void compareresult_click(View view) throws NoSuchAlgorithmException,

UnsupportedEncodingException

{

byte[] input1, input2, output1, output2;

input1 = compareText1.getText().toString().getBytes();

input2 = compareText2.getText().toString().getBytes();

MessageDigest md1 = MessageDigest.getInstance('SHA-256');

md1.reset();

md1.update(input1);

output1 = md1.digest();

StringBuffer hexString1 = new StringBuffer();

for (int i = 0; i < output1.length; i++)

hexString1.append(Integer.toHexString(0xFF & output1[i]));

MessageDigest md2 = MessageDigest.getInstance('SHA-256');

md2.reset();

md2.update(input2);

output2 = md2.digest();

StringBuffer hexString2 = new StringBuffer();

for (int i = 0; i < output1.length; i++)

hexString2.append(Integer.toHexString(0xFF & output2[i]));

boolean bln = hexString1.toString().equals(hexString2.toString());

if (bln)

compare_result.setText('These two messages are same!' +

'nn The SHA-256 code for Message 1 is: n'

+ hexString1.toString() +

'nn The SHA-256 code for Message 2 is: n'

+ hexString2.toString());

else

compare_result.setText('These two messages are different!' +

'nn The SHA-256 code for Message 1 is: n'

+ hexString1.toString() +

'nn The SHA-256 code for Message 2 is: n'

+ hexString2.toString());

}

public void back(View view)

{

setContentView(R.layout.main);

hashing = (ImageButton) findViewById(R.id.hash_btn);

compare = (ImageButton) findViewById(R.id.compare_btn);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

//getMenuInflater().inflate(R.menu.hashing, menu);

return true;

}

@Override

They can also occupy half of the screen and can also be “docked” up to 4 at the same time (in resolutions higher than 1600×900). “Take capture” option in the “Share” access. Key generator windows 8.1.

public boolean onOptionsItemSelected(MenuItem item) {

// Handle action bar item clicks here. The action bar will

// automatically handle clicks on the Home/Up button, so long

// as you specify a parent activity in AndroidManifest.xml.

int id = item.getItemId();

if (id R.id.action_settings) {

return true;

}

return super.onOptionsItemSelected(item);

}

}

Save and run the project, enter your name in to the textbox, click the “Submit” button, the result will be like this.

Click 'hashing' button, we will go in to hash page. If we input a message and hash it, we will get the following result:

Click 'compare' button, we will go in to compare page. If we input two different messages and compare them, we will get the following

result:

Input two same messages and compare them.

The MD5 or SHA1 signature of a Xamarin.Android app depends on the.keystore file that was used to sign the APK. Typically, a debugbuild will use a different .keystore file than a release build.

For Debug / Non-Custom Signed Builds

Xamarin.Android signs all debug builds with the same debug.keystorefile. This file is generated when Xamarin.Android is firstinstalled.The steps below detail the process for finding the MD5 orSHA1 signature of the default Xamarin.Android debug.keystore file.

Locate the Xamarin debug.keystore file that is used to sign theapp. By default, the keystore that is used to sign debug versions ofa Xamarin.Android application can be found at the followinglocation:

C:UsersUSERNAMEAppDataLocalXamarinMono for Androiddebug.keystore

Information about a keystore is obtained by running the keytool.execommand from the JDK. This tool is typically found in the following location:

C:Program Files (x86)JavajdkVERSIONbinkeytool.exe

Add the directory containing keytool.exe to the PATH environment variable.Open a Command Prompt and run keytool.exe using the following command:

When run, keytool.exe should output the following text. The MD5: and SHA1: labels identify the respective signatures:

Locate the Xamarin debug.keystore file that is used to sign theapp. By default, the keystore that is used to sign debug versions ofa Xamarin.Android application can be found at the followinglocation:

~/.local/share/Xamarin/Mono for Android/debug.keystore

Information about a keystore is obtained by running the keytoolcommand from the JDK. This tool is typically found in the followinglocation:

/System/Library/Java/JavaVirtualMachines/VERSION.jdk/Contents/Home/bin/keytool

Add the directory containing keytool to the PATH environment variable.Open a Terminal and run keytoolby using the following command:

When run, keytool should output the following text. The MD5: and SHA1: labels identify the respective signatures:

For Release / Custom Signed Builds

The process for release builds that are signed with a custom.keystore file are the same as above, with the release.keystore file replacing the debug.keystore file that is usedby Xamarin.Android. Replace your own values for the keystore password,and alias name from when the release keystore file was created.

When the Visual Studio Distributewizard is used to sign a Xamarin.Android app, the resulting keystore resides in the following location:

C:UsersUSERNAMEAppDataLocalXamarinMono for AndroidKeystorealiasalias.keystore

For example, if you followed the steps in Create a New Certificate to create a new signing key, the resulting example keystore resides in the following location:

C:UsersUSERNAMEAppDataLocalXamarinMono for AndroidKeystorechimpchimp.keystore

For more information about signing a Xamarin.Android app, seeSigning the Android Application Package.

When the Visual Studio for Mac Sign and Distribute..wizard to sign your app, the resulting keystore resides in the following location:

~/Library/Developer/Xamarin/Keystore/alias/alias.keystore

For example, if you followed the steps in Create a New Certificate to create a new signing key, the resulting example keystore resides in the following location:

~/Library/Developer/Xamarin/Keystore/chimp/chimp.keystore

For more information about signing a Xamarin.Android app, seeSigning the Android Application Package.