I got stuck in this $2$ challenge for ethical hacking course can you help me solve it$?$

Given the code below for challenges $12$ and $9.$

This challenge we must solve it in terminal window. What is the secret key for them hint for challenge $12$ the username

victor@app.com

password

d$6273$b$77$f$90$d$6596$e$6$a$874672$e$5014$b$2$

Challenges $9$

package defpackage;

import java.security.InvalidAlgorithmParameterException;

import java.security.InvalidKeyException;

import java.security.NoSuchAlgorithmException;

import java.security.spec.InvalidKeySpecException;

import java.util.Base$64$;

import java.util.Random;

import java.util.Scanner;

import javax.crypto.BadPaddingException;

import javax.crypto.Cipher;

import javax.crypto.IllegalBlockSizeException;

import javax.crypto.NoSuchPaddingException;

import javax.crypto.SecretKey;

import javax.crypto.spec.IvParameterSpec;

import javax.crypto.spec.SecretKeySpec;

$/*$ loaded from: EthicalHacking.jar:Challenge$9.$class $*/$

public class Challenge$9\{$

public static void main$($String$[]$ args$)\{$

main$()$;

$\}$

public static void main$()\{$

System.out.println$("$Challenge #$9")$;

Scanner in $=$ new Scanner$($System$.$in$)$;

System.out.print$("$Enter a secret message :$")$;

String secretMessage $=$ in$.$nextLine$()$;

if $($verify$($secretMessage$))\{$

System.out.println$("$Congratulations$!$ You cracked the code."$)$;

$\}$ else $\{$

System.out.println$("$Invalid$.$ Try again."$)$;

$\}$

$\}$

private static boolean verify$($String code$)\{$

try $\{$

String cipher $=$ encrypt$("$AES$/$CBC$/$PKCS$5$Padding", code, getKey$(),$ generateIv$())$;

if $($cipher$.$equals$("79$fO$57$SCek$07$yO$3$LSAXd$9$FZpq$8$DRoV$+/$ux$/$zoZntgi$0="))\{$

return true;

$\}$

return false;

$\}$ catch $($InvalidAlgorithmParameterException e$)\{$

throw new RuntimeException$($e$)$;

$\}$ catch $($InvalidKeyException e$2)\{$

throw new RuntimeException$($e$2)$;

$\}$ catch $($NoSuchAlgorithmException e$3)\{$

throw new RuntimeException$($e$3)$;

$\}$ catch $($InvalidKeySpecException e$4)\{$

throw new RuntimeException$($e$4)$;

$\}$ catch $($BadPaddingException e$5)\{$

throw new RuntimeException$($e$5)$;

$\}$ catch $($IllegalBlockSizeException e$6)\{$

throw new RuntimeException$($e$6)$;

$\}$ catch $($NoSuchPaddingException e$7)\{$

throw new RuntimeException$($e$7)$;

$\}$

$\}$

public static String encrypt$($String algorithm, String input, SecretKey key, IvParameterSpec iv$)$ throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException $\{$

Cipher cipher $=$ Cipher.getInstance$($algorithm$)$;

cipher.init$(1,$ key, iv$)$;

byte$[]$ cipherText $=$ cipher.doFinal$($input$.$getBytes$())$;

return Base$64.$getEncoder$().$encodeToString$($cipherText$)$;

$\}$

public static IvParameterSpec generateIv$()\{$

byte$[]$ iv $=\{0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15\}$;

return new IvParameterSpec$($iv$)$;

$\}$

public static SecretKey getKey$()$ throws NoSuchAlgorithmException, InvalidKeySpecException $\{$

Random r $=$ new Random$(89893$L$)$;

byte$[]$ randomKey $=$ new byte$[16]$;

for $($int i $=0$; i $<$ randomKey.length; i$++)\{$

randomKey$[$i$]=($byte$)$ r$.$nextInt$(256)$;

$\}$

SecretKey secret $=$ new SecretKeySpec$($randomKey$,$ "AES"$)$;

return secret;

$\}$

$\}$

Challenge $12$

package defpackage;

import java.security.MessageDigest;

import java.security.NoSuchAlgorithmException;

import java.sql$.$Connection;

import java.sql$.$DriverManager;

import java.sql$.$ResultSet;

import java.sql$.$Statement;

import java.util.Scanner;

$/*$ loaded from: EthicalHacking.jar:Challenge$12.$class $*/$

public class Challenge$12\{$

public static void main$($String$[]$ args$)\{$

main$()$;

$\}$

public static void main$()\{$

System.out.println$("$Challenge #$12")$;

System.out.println$("\backslash \backslash$ This challenge is based on $($database$.$db$)$ file."$)$;

System.out.println$("\backslash \backslash$ You can view the database columns but not use values in queries or modify$/$insert records and the file."$)$;

System.out.println$("$Note: Login as an admin!"$)$;

Scanner in $=$ new Scanner$($System$.$in$)$;

System.out.print$("$Enter a username :$")$;

String username $=$ in$.$nextLine$()$;

System.out.print$("$Enter a password: $")$;

String password $=$ in$.$nextLine$()$;

if $($verify$($username$,$ password$))\{$

System.out.println$("$Congratulations$!$ You cracked the code."$)$;

$\}$ else $\{$

System.out.println$("$Invalid$.$ Try again."$)$;

$\}$

$\}$

private static boolean verify$($String username, String password$)\{$

try $\{$

Class.forName$("$org$.$sqlite.JDBC$")$;

Connection c $=$ DriverManager.getConnection$("$jdbc:sqlite:database.db$")$;

Statement stmt $=$ c$.$createStatement$()$;

String query $=$ "SELECT id$,$name,role FROM users where username $=\text{'}"+$ username $+"\text{'}$ and password $=(\text{'}"+$ md$5($password$)+"\text{'})"$;

if $(($username $+""+$ password$).$toLowerCase$().$contains$("$where$"))\{$

System.out.println$("$Possible injection"$)$;

return false;

$\}$

ResultSet rs $=$ stmt$.$executeQuery$($query$)$;

while $($rs$.$next$())\{$

String name $=$ rs$.$getString$("$name$")$;

String role $=$ rs$.$getString$("$role$")$;

System.out.println$("$Welcome name: $"+$ name $+",$ role: $"+$ role$)$;

if $($role$.$equals$("$admin$"))\{$

return true;

$\}$

$\}$

rs$.$close$()$;

stmt$.$close$()$;

return false;

$\}$ catch $($Exception e$)\{$

System.err.println$($e$.$getClass$().$getName$()+"$: $"+$ e$.$getMessage$())$;

System.exit$(0)$;

return false;

$\}$

$\}$

private static String md$5($String text$)\{$

try $\{$

MessageDigest md $=$ MessageDigest.getInstance$("$MD$5")$;

md$.$update$($text$.$getBytes$())$;

byte$[]$ digest $=$ md$.$digest$()$;

StringBuilder hash $=$ new StringBuilder$()$;

for $($byte aByte : digest$)\{$

hash.append$($String$.$format$("\%02$x$",$ Byte.valueOf$($aByte$)))$;

$\}$

return hash.toString$()$;

$\}$ catch $($NoSuchAlgorithmException e$)\{$

throw new RuntimeException$($e$)$;

$\}$

$\}$

$\}$