Atbash - Study guides, Class notes & Summaries

WGU C839 - Introduction to Cryptography Actual Exam 100% Correct Answer Symmetric Block Cipher Block Size: 128 bits Key Size: 128, 192, or 256 bits Rounds: 32 Network: Substitution-Permutation ---------- Correct Answer -------- Serpent Symmetric Block Cipher Block Size: 64 bits Key Size: 128 bits ---------- Correct Answer -------- Tiny Encryption Algorithm (TEA) Deciphering secret writings, kryptos means hidden and grafo means write. Must not be readable by interlopers over secure/hid...

WGU C839 Introduction to Cryptography - (EC-Council CES) Latest 2024 CrypTool - Answer ️️ -Software which allows encryption of text using historic algorithms The Enigma Machine - Answer ️️ -In World War II the Germans made use of an electro- mechanical rotor based cipher Known as The Enigma Machine. Allied cipher machines used in WWII included the British TypeX and the American SIGABA. The ADFGVX Cipher - Answer ️️ -invented by Colonel Fritz Nebel in 1918. The key for this alg...

1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256

WGU C839 - Intro to Cryptography Exam 2023-2024 Questions and Answers (VERIFIED). What type of encryption uses different keys to encrypt and decrypt the message? A Symmetric B Private key C Secure D Asymmetric - Answer D The most widely used asymmetric encryption algorithm is what? A RSA B Vigenere C DES D Caesar Cipher - Answer A Original, unencrypted information is referred to as ____. A text B plaintext C cleantext D ciphertext - Answer B Which of the following is NOT an asymm...

ECES Certified Encryption Specialist from EC Council Questions and Answers 100% CorrectECES Certified Encryption Specialist from EC Council Questions and Answers 100% CorrectECES Certified Encryption Specialist from EC Council Questions and Answers 100% CorrectECES Certified Encryption Specialist from EC Council Questions and Answers 100% CorrectMono-Alphabet Cipher - ANSWER--this type of cipher substitutes one character of ciphertext for one character of plaintext Ceasar Cipher - ANSWER--eac...

Which encryption standard uses the same key to encrypt and decrypt messages? -Correct Answer Symmetric Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? -Correct Answer Skipjack What is the most commonly used format for certificates? -Correct Answer X.509 v3 What is referenced to determine if a certificate has been revoked? -Correct Answer Certificate revocation list (CRL) What needs to be installed on end users' computers to allow them to tr...

How did the ATBASH cipher work? a. By shifting each letter a certain number of spaces b. By Multi alphabet substitution c. By rotating text a given number of spaces d. By substituting each letter for the letter from the opposite end of the alphabet (i.e. A becomes Z, B becomes Y, etc.) d. By substituting each letter for the letter from the opposite end of the alphabet (i.e. A becomes Z, B becomes Y, etc.) DES has a key space of what? a. 2^128 b. 2^192 c. 2^56 d. 2^64 c. 2^56 ...

Which of the following is generally true about key sizes? a. Larger key sizes increase security b. Smaller key sizes increase security c. Key size is irrelevant to security d. Key sizes must be more than 256 bits to be secure a. Larger key sizes increase security How did the ATBASH cipher work? a. By shifting each letter a certain number of spaces b. By Multi alphabet substitution c. By rotating text a given number of spaces d. By substituting each letter for the letter from ...

Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam Already Passed 1. How did the ATBASH cipher work? By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 2. DES has a key space of what? 2^56 3. Which of the following are valid key sizes for AES (choose three)? c. 128 d. 192 e. 256 4. Which of the following algorithms uses three different keys to encrypt the plain text? 3DES...

Cryptography The science of altering communication so that it cannot be understood without having a key. Caesar Cipher Simple cipher that uses shifting letters. Atbash Used by Hebrews, cipher that reverses the alphabet. ROT13 Cipher that rotate or shifts by 13 letters.