O‘zbekiston Respublikasi Axborot texnologiyalari va kommunikatsiyalarini rivojlantirish vazirligi muhammad al-xorazmiy nomidagi toshkent axborot texnologiyalari universiteti himoyaga «Axborot texnologiyalarining dasturiy ta'minoti»

FOYDALANILGAN ADABIYOTLAR RO'YXATI

1. 
   Axborot texnologiyalari sohasida kadrlar tayyorlash tizimini takomillashtirish to’g’risidagi O’zbekiston Respublikasi Prezidenti qarori. Xalq so’zi gazetasi, 2005, 3-iyun.
   
2. 
   2001-2005 yillarda kompyuter va axborot texnologiyalarini rivojlantirish, Internetning xalqaro axborot tizimlariga keng kirib borishini ta’minlash dasturini ishlab chiqishni tashkil etish chora-tadbirlari to’g’risida O’zbekiston Respublikasi Vazirlar Mahkamasining qarori. Xalq so’zi. 24 may, 2001 y.
   
3. 
   O’zbekiston Respublikasining-Axborotlashtirish to’g’risidagi qonuni.
   
4. 
   ‘Axborot-kommunikatsiya texnologiyalarini yanada rivojlantirishga oid qo’shimcha chora-tadbirlar to’g’risida’ O’zbekiston Respublikasi Prezidentining 2005 yil 8 iyuldagi– 117-son qarori.
   
5. 
   I.Xabibullayev, A.Djaylavov, K.Djurayeva “Savdo-sotiqda axborot texnologiyalari” (o’quv qo’llanma) Toshkent “Iqtisod-moliya”-2009 y.
   
6. 
   Sapayev D. “HAYOT faoliyai xavfsizligi”.
   
7. 
   “Kadrlar tayyorlash Milliy dasturi” // Barkamol avlod- Ozbekiston
   
8. 
   Dmitriy Musin. Samouchitel . 2015 g
   
9. 
   K.Yu. Polyakov, V.M. Gurovis. G.Rossum, F.L.Dj.Dreyk, D.S.Otkidach.
   
10. 
    K.Yu. Polyakov, Ye.A. Yeremin. Informatika, 10 klass.
    
11. 
    www.google.com qidiruv tizimi
    
12. 
    www.uz O’zbеkiston saytlari xaqida ma’lumot sayti
    
13. 
    www.uz - milliy axborot qidiruv tizimi;
    

14. www.ziyonet.uz - axborot ta’lim tarmog’i.


ILOVA

import android.annotation.SuppressLint

import android.content.Intent
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.provider.Settings
import android.view.View
import android.widget.Toast
import androidx.annotation.RequiresApi
import androidx.biometric.BiometricManager
import androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG
import androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL
import androidx.biometric.BiometricPrompt
import androidx.core.content.ContextCompat
import java.util.concurrent.Executor

@RequiresApi(Build.VERSION_CODES.R)

class MainActivity : AppCompatActivity(), BiometricAuthListener {
private lateinit var binding: ActivityMainBinding

@SuppressLint("SetTextI18n")

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityMainBinding.inflate(layoutInflater)
setContentView(binding.root)
showTitleDevice()

binding.biometricBtn.setOnClickListener {

BiometricUtil.showBiometricPrompt(
activity = this,
listener = this,
cryptoObject = null,
allowDeviceCredential = true
)
}
}
override fun onBiometricAuthenticationSuccess(result: BiometricPrompt.AuthenticationResult) {
Toast.makeText(
this,
"Tekshirish muvaffaqiyatli amalga oshirildi!", Toast.LENGTH_SHORT
)
.show()
navigateToListActivity()
}
override fun onBiometricAuthenticationError(errorCode: Int, errorMessage: String) {
Toast.makeText(
this,
"Tekshirish xatosi: $errorMessage", Toast.LENGTH_SHORT
)
.show()
}
fun navigateToListActivity() {
startActivity(Intent(this, ListActivity::class.java))
finish()
}
private fun showTitleDevice() {
val biometricManager = BiometricManager.from(this)
when (biometricManager.canAuthenticate(BIOMETRIC_STRONG or DEVICE_CREDENTIAL)) {
BiometricManager.BIOMETRIC_SUCCESS -> {
binding.tvBiometricInfo.text = "Ilova biometrik ma'lumotlardan foydalanishi mumkin."
binding.biometricBtn.visibility = View.VISIBLE
}
BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE -> {
binding.tvBiometricInfo.text = "Ushbu qurilmada biometrik funksiyalar mavjud emas."
binding.biometricBtn.visibility = View.GONE
}
BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE -> {
binding.tvBiometricInfo.text = "Biometri" +
"k xususiyatlar hozirda mavjud emas."
binding.biometricBtn.visibility = View.GONE
}
BiometricManager.BIOMETRIC_ERROR_NONE_ENROLLED -> {
binding.tvBiometricInfo.text = "Biometrik xususiyatlar hozirda mavjud emas."
binding.biometricBtn.visibility = View.GONE
// Prompts the user to create credentials that your app accepts.
val enrollIntent = Intent(Settings.ACTION_BIOMETRIC_ENROLL).apply {
putExtra(
Settings.EXTRA_BIOMETRIC_AUTHENTICATORS_ALLOWED,
BIOMETRIC_STRONG or DEVICE_CREDENTIAL
)
}
startActivityForResult(enrollIntent, 1011)
}
}
}
}
import android.content.Intent
import android.content.res.ColorStateList
import android.graphics.Color
import android.os.Bundle
import android.view.View
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_list.*
import kotlinx.android.synthetic.main.content_list.*
class ListActivity : AppCompatActivity(), MessageListAdapter.OnItemClickListener {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_list)
setSupportActionBar(findViewById(R.id.toolbar))
fab.setOnClickListener { view ->
ColorStateList.valueOf(Color.WHITE)
startActivity(Intent(this, EncryptionActivity::class.java))
}
val colorStateList = ColorStateList.valueOf(Color.WHITE)
fab.imageTintList = colorStateList
}
override fun onResume() {
super.onResume()
// Set Adapter
showMessageList()
}
override fun onItemClick(item: EncryptedMessage, itemView: View) {
val decryptionIntent = (Intent(this, DecryptionActivity::class.java))
decryptionIntent.putExtra(getString(R.string.parcel_message), item)
startActivity(decryptionIntent)
}
private fun showMessageList() {
val messageList = PreferenceUtil.getMessageList(applicationContext)
if (!messageList.isNullOrEmpty()) {
textViewNoMessage.visibility = View.GONE
recyclerView.adapter = MessageListAdapter(messageList, this)
}
}
}

import android.os.Build

import android.os.Bundle
import android.view.View
import androidx.annotation.RequiresApi
import androidx.appcompat.app.AppCompatActivity
import androidx.biometric.BiometricPrompt
import kotlinx.android.synthetic.main.activity_decryption.*
import javax.crypto.Cipher

class DecryptionActivity : AppCompatActivity(),

BiometricAuthListener {

var encryptedMessage: EncryptedMessage? = null

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_decryption)

encryptedMessage = intent.getParcelableExtra(getString(R.string.parcel_message))

}

@RequiresApi(Build.VERSION_CODES.M)

fun onClickDecryptMessage(view: View) {
showBiometricPromptToDecrypt()
}

@RequiresApi(Build.VERSION_CODES.M)

private fun showBiometricPromptToDecrypt() {
encryptedMessage?.initializationVector?.let { it ->
// Retrieve Cryptography Object
val cryptoObject = BiometricPrompt.CryptoObject(
CryptographyUtil.getInitializedCipherForDecryption(it)
)
// Show BiometricPrompt With Cryptography Object
BiometricUtil.showBiometricPrompt(
activity = this,
listener = this,
cryptoObject = cryptoObject
)
}
}

private fun decryptAndDisplay(cipher: Cipher) {

encryptedMessage?.cipherText?.let { it ->
val decryptedMessage = CryptographyUtil.decryptData(it, cipher)
textViewMessage.text = decryptedMessage
}
}

override fun onBiometricAuthenticationSuccess(result: BiometricPrompt.AuthenticationResult) {

result.cryptoObject?.cipher?.let {
decryptAndDisplay(it)
}
}
override fun onBiometricAuthenticationError(errorCode: Int, errorMessage: String) {
CommonUtils.displayToast(this, "Biometric error: $errorMessage")
}

}

import android.content.DialogInterface

import android.os.Build
import android.os.Bundle
import android.text.TextUtils
import android.view.View
import androidx.annotation.RequiresApi
import androidx.appcompat.app.AppCompatActivity
import androidx.biometric.BiometricPrompt
import kotlinx.android.synthetic.main.activity_encryption.*
import javax.crypto.Cipher

class EncryptionActivity : AppCompatActivity(),

BiometricAuthListener {

override fun onCreate(savedInstanceState: Bundle?) {

super.onCreate(savedInstanceState)
setContentView(R.layout.activity_encryption)
}

@RequiresApi(Build.VERSION_CODES.M)

fun onClickEncryptMessage(view: View) {
val message = textInputMessage.editText?.text.toString().trim()
if (!TextUtils.isEmpty(message)) {
if (BiometricUtil.isBiometricReady(this)) {
showBiometricPromptToEncrypt()
} else {
showAlertToSetupBiometric()
}
}
}

private fun confirmInput() {

textInputMessage.editText?.text = null
CommonUtils.displayToast(this, getString(R.string.message_saved))
}

private fun showAlertToSetupBiometric() {

CommonUtils.displayMessage(
this,
getString(R.string.message_encryption_failed),
getString(R.string.message_no_biometric),
) { dialog: DialogInterface, index: Int ->
BiometricUtil.lunchBiometricSettings(this)
}
}

@RequiresApi(Build.VERSION_CODES.M)

private fun showBiometricPromptToEncrypt() {
// Create Cryptography Object
val cryptoObject = BiometricPrompt.CryptoObject(
CryptographyUtil.getInitializedCipherForEncryption()
)
// Show BiometricPrompt
BiometricUtil.showBiometricPrompt(
activity = this,
listener = this,
cryptoObject = cryptoObject
)
}

override fun onBiometricAuthenticationSuccess(result: BiometricPrompt.AuthenticationResult) {

result.cryptoObject?.cipher?.let {
val message = textInputMessage.editText?.text.toString().trim()
if (!TextUtils.isEmpty(message)) {
encryptAndSave(message, it)
confirmInput()
}
}
}

override fun onBiometricAuthenticationError(errorCode: Int, errorMessage: String) {

CommonUtils.displayToast(this, "Biometric error: $errorMessage")
}

private fun encryptAndSave(plainTextMessage: String, cipher: Cipher) {

val encryptedMessage = CryptographyUtil.encryptData(plainTextMessage, cipher)
// Save Encrypted Message
PreferenceUtil.storeEncryptedMessage(
applicationContext,
prefKey = encryptedMessage.savedAt.toString(),
encryptedMessage = encryptedMessage
)
}

}

import android.content.Intent

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle

class SplashActivity : AppCompatActivity() {

private lateinit var binding: ActivitySplashBinding
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)

binding = ActivitySplashBinding.inflate(layoutInflater)

setContentView(binding.root)

binding.animationView.postDelayed({

finish()
startActivity(Intent(this, MainActivity::class.java))
}, 3000)

}
}

import android.content.Context
import android.content.Intent
import android.content.res.Resources
import android.util.Log
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.content.res.AppCompatResources
import androidx.biometric.BiometricManager
import androidx.biometric.BiometricPrompt
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import androidx.core.content.res.ResourcesCompat

/**
* Helper class for managing Biometric Authentication Process

*/
object BiometricUtil {

/**
* Checks if the device has Biometric support

*/
fun hasBiometricCapability(context: Context): Int {
val biometricManager = BiometricManager.from(context)
return biometricManager.canAuthenticate()
}

/**
* Checks if Biometric Authentication (example: Fingerprint) is set in the device

*/
fun isBiometricReady(context: Context) =
hasBiometricCapability(context) == BiometricManager.BIOMETRIC_SUCCESS

/**
* Prepares PromptInfo dialog with provided configuration

*/
fun setBiometricPromptInfo(
title: String,
subtitle: String,
description: String,
allowDeviceCredential: Boolean
): BiometricPrompt.PromptInfo {
val builder = BiometricPrompt.PromptInfo.Builder()
.setTitle(title)
.setSubtitle(subtitle)
.setDescription(description)

// Use Device Credentials if allowed, otherwise show Cancel Button

builder.apply {
if (allowDeviceCredential) setDeviceCredentialAllowed(true)
else setNegativeButtonText("Cancel")
}

return builder.build()

}

/**
* Initializes BiometricPrompt with the caller and callback handlers

*/
fun initBiometricPrompt(
activity: AppCompatActivity,
listener: BiometricAuthListener
): BiometricPrompt {
// Attach calling Activity
val executor = ContextCompat.getMainExecutor(activity)

// Attach callback handlers

val callback = object : BiometricPrompt.AuthenticationCallback() {
override fun onAuthenticationError(errorCode: Int, errString: CharSequence) {
super.onAuthenticationError(errorCode, errString)
listener.onBiometricAuthenticationError(errorCode, errString.toString())
}

override fun onAuthenticationFailed() {

super.onAuthenticationFailed()
Toast.makeText(
activity.applicationContext, "Tekshirish amalga oshmadi",
Toast.LENGTH_SHORT
)
.show()
}

override fun onAuthenticationSucceeded(result: BiometricPrompt.AuthenticationResult) {

super.onAuthenticationSucceeded(result)
listener.onBiometricAuthenticationSuccess(result)
}
}

return BiometricPrompt(activity, executor, callback)

}

/**
* Displays a BiometricPrompt with provided configurations

*/
fun showBiometricPrompt(
title: String = "Biometrik autentifikatsiya",
subtitle: String = "Davom etish uchun biometrik hisob maʼlumotlarini kiriting.",
description: String = "Barmoq izi yoki yuz orqali ishlov berish ",
activity: AppCompatActivity,
listener: BiometricAuthListener,
cryptoObject: BiometricPrompt.CryptoObject? = null,
allowDeviceCredential: Boolean = false
) {
// Prepare BiometricPrompt Dialog
val promptInfo = setBiometricPromptInfo(
title,
subtitle,
description,
allowDeviceCredential
)

// Attach with caller and callback handler

val biometricPrompt = initBiometricPrompt(activity, listener)
// Authenticate with a CryptoObject if provided, otherwise default authentication
biometricPrompt.apply {
if (cryptoObject == null) authenticate(promptInfo)
else authenticate(promptInfo, cryptoObject)
}
}
/**
* Navigates to Device's Settings screen Biometric Setup
*/
fun lunchBiometricSettings(context: Context) {
ActivityCompat.startActivity(
context,
Intent(android.provider.Settings.ACTION_SECURITY_SETTINGS),
null
)
}
}

android:allowBackup="true"
android:icon="@mipmap/ic_launcher_biometric_s"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_biometric_s_round"
android:supportsRtl="true"
android:theme="@style/Theme.BiometricData">
android:name="biometric_data.ui.SplashActivity"
android:theme="@style/Theme.BiometricData.ActionBar"
android:exported="true">





android:name=".ui.MainActivity"
android:parentActivityName=".ui.ListActivity"
android:screenOrientation="portrait"
android:theme="@style/Theme.BiometricData.ActionBar" />
android:name=".ui.ListActivity"
android:label="@string/app_name"
android:theme="@style/Theme.BiometricData.ActionBar"
android:screenOrientation="portrait" />
android:name=".ui.EncryptionActivity"
android:label="@string/encrypt_message"
android:parentActivityName=".ui.ListActivity"
android:screenOrientation="portrait"
android:windowSoftInputMode="adjustResize" />
android:name=".ui.DecryptionActivity"
android:label="@string/decrypt_message"
android:parentActivityName=".ui.ListActivity"
android:screenOrientation="portrait" />