diff --git a/app/src/main/java/com/example/tasklist/ChangePass.kt b/app/src/main/java/com/example/tasklist/ChangePass.kt
index c534f60..5216eba 100644
--- a/app/src/main/java/com/example/tasklist/ChangePass.kt
+++ b/app/src/main/java/com/example/tasklist/ChangePass.kt
@@ -15,6 +15,7 @@ import android.content.SharedPreferences
 import android.net.wifi.WifiEnterpriseConfig
 import android.widget.Toast
 import java.lang.Exception
+import java.math.BigInteger
 import java.security.MessageDigest
 
 
@@ -33,6 +34,10 @@ class ChangePass : Fragment(){
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        val sharedPreference =
+            requireActivity().getSharedPreferences("sharedPref", Context.MODE_PRIVATE)
+        val savedString = sharedPreference.getString("STRING_KEY", null)
+        Toast.makeText(requireActivity(),savedString,Toast.LENGTH_SHORT).show()
     }
 
     override fun onCreateView(
@@ -87,38 +92,9 @@ class ChangePass : Fragment(){
     }
 
 
-    private fun byteArrayToHexString( array: Array<Byte> ): String {
-
-        val result = StringBuilder(array.size * 2)
-
-        for ( byte in array ) {
-
-            val toAppend =
-                String.format("%2X", byte).replace(" ", "0") // hexadecimal
-            result.append(toAppend).append("-")
-        }
-        result.setLength(result.length - 1) // remove last '-'
-
-        return result.toString()
-    }
-
-
-    private fun toMD5Hash( text: String ): String {
-
-        var result = ""
-
-        result = try {
-
-            val md5 = MessageDigest.getInstance("MD5")
-            val md5HashBytes = md5.digest(text.toByteArray()).toTypedArray()
-
-            byteArrayToHexString(md5HashBytes)
-        } catch ( e: Exception) {
-
-            "error: ${e.message}"
-        }
-
-        return result
+    private fun toMD5Hash(input:String): String {
+        val md = MessageDigest.getInstance("MD5")
+        return BigInteger(1, md.digest(input.toByteArray())).toString(16).padStart(32, '0')
     }
 
 
diff --git a/app/src/main/java/com/example/tasklist/LoginPage.kt b/app/src/main/java/com/example/tasklist/LoginPage.kt
index b661214..49af8d2 100644
--- a/app/src/main/java/com/example/tasklist/LoginPage.kt
+++ b/app/src/main/java/com/example/tasklist/LoginPage.kt
@@ -12,6 +12,7 @@ import com.example.tasklist.databinding.FragmentLoginPageBinding
 import android.content.SharedPreferences
 import android.widget.Toast
 import java.lang.Exception
+import java.math.BigInteger
 import java.security.MessageDigest
 import java.util.*
 
@@ -79,38 +80,9 @@ class LoginPage : Fragment(){
         }
     }
 
-    private fun byteArrayToHexString( array: Array<Byte> ): String {
-
-        val result = StringBuilder(array.size * 2)
-
-        for ( byte in array ) {
-
-            val toAppend =
-                String.format("%2X", byte).replace(" ", "0") // hexadecimal
-            result.append(toAppend).append("-")
-        }
-        result.setLength(result.length - 1) // remove last '-'
-
-        return result.toString()
-    }
-
-
-    private fun toMD5Hash( text: String ): String {
-
-        var result = ""
-
-        result = try {
-
-            val md5 = MessageDigest.getInstance("MD5")
-            val md5HashBytes = md5.digest(text.toByteArray()).toTypedArray()
-
-            byteArrayToHexString(md5HashBytes)
-        } catch ( e: Exception) {
-
-            "error: ${e.message}"
-        }
-
-        return result
+    private fun toMD5Hash(input:String): String {
+        val md = MessageDigest.getInstance("MD5")
+        return BigInteger(1, md.digest(input.toByteArray())).toString(16).padStart(32, '0')
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/tasklist/SetPass.kt b/app/src/main/java/com/example/tasklist/SetPass.kt
index d74c812..286ad4b 100644
--- a/app/src/main/java/com/example/tasklist/SetPass.kt
+++ b/app/src/main/java/com/example/tasklist/SetPass.kt
@@ -11,6 +11,7 @@ import androidx.databinding.DataBindingUtil
 import androidx.navigation.fragment.findNavController
 import com.example.tasklist.databinding.FragmentSetPassBinding
 import java.lang.Exception
+import java.math.BigInteger
 import java.security.MessageDigest
 
 // TODO: Rename parameter arguments, choose names that match
@@ -69,38 +70,9 @@ class SetPass : Fragment() {
         }.apply()
     }
 
-    private fun byteArrayToHexString( array: Array<Byte> ): String {
-
-        val result = StringBuilder(array.size * 2)
-
-        for ( byte in array ) {
-
-            val toAppend =
-                String.format("%2X", byte).replace(" ", "0") // hexadecimal
-            result.append(toAppend).append("-")
-        }
-        result.setLength(result.length - 1) // remove last '-'
-
-        return result.toString()
-    }
-
-
-    private fun toMD5Hash( text: String ): String {
-
-        var result = ""
-
-        result = try {
-
-            val md5 = MessageDigest.getInstance("MD5")
-            val md5HashBytes = md5.digest(text.toByteArray()).toTypedArray()
-
-            byteArrayToHexString(md5HashBytes)
-        } catch ( e: Exception ) {
-
-            "error: ${e.message}"
-        }
-
-        return result
+    private fun toMD5Hash(input:String): String {
+        val md = MessageDigest.getInstance("MD5")
+        return BigInteger(1, md.digest(input.toByteArray())).toString(16).padStart(32, '0')
     }