A windows machine was determined to have LM hashes. Can you crack the users passwords? Timmy::74AC99CA40DED420F9338C41FD6D0F21:78463327323764721668E315898295F2::: Mark::CDF5E5FD95C14D93EBB5FBBEF200BF3D:5EB403E90E9FC512FED09CB57884DC84::: Timmy's password is Marks's password is:
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A windows machine was determined to have LM hashes. Can you crack the users passwords?
Timmy::74AC99CA40DED420F9338C41FD6D0F21:78463327323764721668E315898295F2:::
Mark::CDF5E5FD95C14D93EBB5FBBEF200BF3D:5EB403E90E9FC512FED09CB57884DC84:::
Timmy's password is
Marks's password is:
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- In the past, you built a file in order to launch a dictionary attack against a target server that did not use salt for user authentication. The file contains 171000 words except for the word “Impossible”, covering the entire Oxford English Dictionary. Unfortunately, you have found that the dictionary does not work anymore because of an upgrade of the target server with 32-bit salt. You want to launch a brute-force attack by rebuilding a new dictionary based on the existing one. How many entries will the new dictionary contain?A. We have decided to change the type of hashing we use to a newer version that is collision resistant. What happens when a hash collision occurs? You can figure out the plain text from the hash. When two different plaintexts produce the same hash. The same plain text produces two different hashes using the same hash function. A variable-length text produces a fixed-length hash. B.“Alice” and “Bob” are talking about hashing and they use the abbreviation MAC. What are they talking about? Message Authentication Code. Media Access Control. Mandatory Access Control. Message Access Code. C.Which one of the following is not one of the basic requirements for a cryptographic hash function? The function must be collision free. The function must work on fixed-length input. The function must be relatively easy to compute for any input. The function must be one way. D.Bob wants to produce a message digest of a 2,048-byte message he plans to send to Alice. If he uses the SHA-1 hashing…Using the encryption and decryption methods, write a program called SDESMitm.java or sdesmitm.py that will carry out a meet-in-the-middle attack on 2SDES. This system encrypts a plaintext first with one key and then again with a different key. Please review the attack in the notes and the textbook. Recall that this is a known-plaintext attack. I will provide plaintext/ciphertext pairs. Based on those, you should be able to recover the two 9-bit keys. Write the program so that it can be run from the command line taking four parameters: plaintext 1 integer ciphertext 1 integer plaintext 2 integer ciphertext 2 integer Two pairs are needed because the first plaintext/ciphertext pair will let you create a short list of key pairs and the second plaintext/ciphertext pair will allow you to narrow that list down to one key pair. When run, the program should print the two keys. You can test your program on the plaintext/ciphertext pairs 0/247; 4095/2808. In my implemenation, the firat…
- Let your key be the IP address 234.10.90.0 and you want to hash it and then put it in a slot in the hash table with size 257. Do this using Modulo Primes Method and Polynomial Hash. Write all the details.Write a Java Program for encrypting of a file using AES and find the hash value in client side. Verify the Data Confidentiality and Integrity in Server side.Suppose we will use Advanced Encryption Standard (AES) to encrypt a block of plaintext andthe known round key for round 7 is:B5 8D BA D2 31 2B F5 60 7F 8D 29 2F EA D2 73 21Please calculate the first four words of the round key for round 8 by following the steps below:(1) What is the ‘temp’ value after RotWord? (2) What is the value after SubWord? (3) What is the value after XOR with Rcon? (4) What is the first word (i.e. the first 4 bytes) of the round key for round 8? (5) What is the third word (i.e. the third 4 bytes) of the round key for round 8?
- i want to add a express hadllebars in m ypackage json file in my first verson ,i run it correctly ,have no any problem with my code . {"name": "LiveEmbellishedAnimatronics","version": "1.0.0","description": "","main": "app.js","dependencies": {"body-parser": "^1.19.0","cookie-parser": "^1.4.5","express-session": "^1.17.2","http-errors": "^1.8.0","morgan": "^1.10.0","passport": "^0.5.0"},"devDependencies": {"express": "^4.17.1"},"scripts": {"test": "echo \"Error: no test specified\" && exit 1","start": "webpack-dev-server --hot"},"keywords": [],"author": "","license": "ISC"} this one ,works well on my pc. but my teacher said i need to add express- handlebars to my package.json file to make npm install it . and i use npm init to change my package json like this . like this "name": "LiveEmbellishedAnimatronics", "version": "1.0.0", "description": "", "main": "app.js", "dependencies": { "body-parser": "^1.19.0", "cookie-parser": "^1.4.5", "express-session":…Can someone please explain to me ASAP?? import java.io.*; import java.net.*; class SimpleTextClient { public static void main(String argv[]) throws Exception { BufferedReader inFromUser = new BufferedReader(new InputStreamReader(System.in)); Socket clientSocket = new Socket("127.0.0.1", 8000); DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream()); BufferedReader inFromServer = new BufferedReader(new InputStreamReader( clientSocket.getInputStream())); while (true) { System.out.println("\nYou are connected to the Server."); System.out.println("\n0. Log in to the server\n1. Get the user list\n2. Send a message\n3. Get my messages\n4. Exit"); System.out.print("\nEnter your option: "); String option = inFromUser.readLine(); outToServer.writeBytes(option + "\n"); switch (option) { case "0": System.out.print("Enter…What is the input to the "midterm_binary3" that lead to the executable to output "Correct Password!"?void main(void) { int iVar1; int in_GS_OFFSET; char local_50 [12]; char acStack_44 [8]; char local_3c [12]; undefined local_30; char local_28 [2]; undefined local_26; int local_14; undefined *local_10; local_10 = &stack0x00000004; local_14 = *(int *)(in_GS_OFFSET + 0x14); puts("Please enter your password:"); __isoc99_scanf(&DAT_0804a024,local_50); strncpy(local_3c,local_50,0xc); strncpy(local_28,acStack_44,2); local_30 = 0; local_26 = 0; iVar1 = strcmp(local_3c,"HelloCEG7420"); if (iVar1 == 0) { iVar1 = FUN_08049110(local_28); if (iVar1 * 3 == 0x45) { puts("Correct Password!"); } } else { puts("Incorrect Password!"); } if (local_14 != *(int *)(in_GS_OFFSET + 0x14)) { __stack_chk_fail_local(); } return; }
- **GIVEN MESSAGE IS CAB2; IT IS NOT AB12**This homework relates to hash functions for block ciphers (sec 11.3.2) Block size = 8 bits Hash size = 8 bits Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into twohalves: LT and RT; Then ciphertext= LC||RC where LC=LK XOR RT; and RC = RK XOR LT;where LC, RC, LT, and RT are each 4 bits; Plaintext and ciphertext are each 8 bits. g(H) = an 8-bit string that is equal to the complement of bits in H; For example, if H=A3 (Hexa)= 10100011 (binary); then g(H)= 01011100 H0 = Initial hash = 11001010Given a message m: CAB2 (in Hexa);Q1. Determine the hash (in hexadecimal) of the message M using Martyas-Meyer-Oseas hashfunction (Fig. 11.7).Q2. Determine the hash (in hexadecimal) of the message M using Davis-Meyer hash function(Fig. 11.6)Q3. Determine the hash (in hexadecimal) of the message M using Migayuchi-Preneel hashfunction (Fig. 11.6) **GIVEN MESSAGE IS CAB2; IT IS NOT AB12****GIVEN MESSAGE IS CAB2; IT IS NOT AB12**This homework relates to hash functions for block ciphers (sec 11.3.2) Block size = 8 bits Hash size = 8 bits Encryption function: Divide the key into two halves: LK and RK; Divide the plaintext into twohalves: LT and RT; Then ciphertext= LC||RC where LC=LK XOR RT; and RC = RK XOR LT;where LC, RC, LT, and RT are each 4 bits; Plaintext and ciphertext are each 8 bits. g(H) = an 8-bit string that is equal to the complement of bits in H; For example, if H=A3 (Hexa)= 10100011 (binary); then g(H)= 01011100 H0 = Initial hash = 11001010Given a message m: CAB2 (in Hexa); Q.3 Determine the hash (in hexadecimal) of the message M using Migayuchi-Preneel hashfunction (Fig. 11.6)The Linux operating system is a very popular server OS. A network administrator has to protect the login/password files stored on the servers. In Linux there are two important files: /etc/passwd And it contains rows that look like this: root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:/sbin/nologin daemon:x:2:2:daemon:/sbin:/sbin/nologin adm:x:3:4:adm:/var/adm:/sbin/nologin ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin user1:x:15:51:User One:/home/user1:nologin user2:x:15:51:User One:/home/user1:nologin user3:x:15:51:User One:/home/user1:nologin This file contains login information. It's a list of the server's accounts that has userID, groupID, home directory, shell and more info. And the second file /etc/shadow, contains rows that look like this: root:$1$TDQFedzX$.kv51AjM.FInu0lrH1dY30:15045:0:99999:7::: bin:*:14195:0:99999:7::: daemon:*:14195:0:99999:7::: adm:*:14195:0:99999:7::: ftp:*:14195:0:99999:7::: user1:$1$ssTPXdzX$.kv51AjM.FInu0lrH1dY30:15045:0:99999:7:::…
