Wgu c839 ciphers - Study guides, Class notes & Summaries

WGU C839 - Introduction to Cryptography Real Exam With Complete Solutions Symmetric Block Cipher Block Size: 64 bits Key Size: 128 bits ---------- Correct Answer -------- IDEA (International Data Encryption Algorithm) Symmetric Block Cipher Block Size: 64 bit blocks Key Size: 40 to 128 bits Two versions: 128 and 256 ---------- Correct Answer -------- CAST 128/256 Symmetric Block Cipher Block Size: 128 bits Key Size: 128, 192, or 256 bits Rounds: 32 Network: Substitution-Permut...

WGU Introduction to Cryptography - C839 (EC-Council CES), Questions and answers. VERIFIED. CrypTool - -Software which allows encryption of text using historic algorithms The Enigma Machine - -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 - -invented by Colonel Fritz Nebel in 1918. The key for this algorithm is a s...

WGU C839 Exam Questions and answers, Graded A+. VERIFIED. Which encryption standard is approved by the National Security Agency (NSA) for classified information? Advanced Encryption Standard (AES Which National Security Agency (NSA) encryption algorithms are unevaluated commercial cryptographic components? Type 4 Which method is used to verify the validity of a certificate? Online Certificate Status Protocol (OCSP) What is used to protect an encryption key and deliver it q...

WGU C839: Intro to Cryptography Module 5: Questions and answers, 100% Accurate. VERIFIED. Finding any method to decrypt the message that is more efficient that simple brute force attempts. - -Breaking Ciphers Simply trying every possible key to decrypt a message - -Brute Force Using other techniques to attempt to derive the key, can be used to test the efficacy of a cryptographic algorithm. Frequently used to test hash algorithms for collisions. - -Cryptanalysis The most basic to...

WGU Course C839 - Intro to Cryptography Questions and Answers | Latest Update Graded A+. 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...

Intro to Cryptography WGU C839 Module 2. Questions and answers, 100% Accurate. Rated A+ 128 bit Hash Function specified by RFC 1321 Designed to replace MD4 Is not collision resistant - -MD5 160 bit Hash Function There are three other version of this hash with 128, 256 and 320 bit algorithms. Developed to replace the original version which was found to have collision issues. Does not follow any standard or security policies or guidelines - -RIPEMD-160 192 bit hash function. ...

WGU - C839 Exam Questions and answers, rated A+ DES (block/key/rounds) - -BLOCK SIZE - 64bit KEY SIZE - 56bit ROUNDS - 16 AES (block/key/rounds) - -BLOCK SIZE - 128bit KEY SIZE - 128, 192, or 256 ROUNDS - 10,12, or 14 Blowfish (block/key/rounds) - -BLOCK SIZE - 64bit KEY SIZE - 32-448 bit ROUNDS - 16 Twofish (block/key/rounds) - -BLOCK SIZE - 128bit KEY SIZE - 1-256bit ROUNDS - 16 Serpent (block/key/rounds) - -BLOCK SIZE - 128bit KEY SIZE - 128,192, or 256bit ROUNDS - ...

WGU C839 - Introduction to Cryptography Real Exam With Complete Solutions Symmetric Block Cipher Block Size: 64 bits Key Size: 128 bits ---------- Correct Answer -------- IDEA (International Data Encryption Algorithm) Symmetric Block Cipher Block Size: 64 bit blocks Key Size: 40 to 128 bits Two versions: 128 and 256 ---------- Correct Answer -------- CAST 128/256 Symmetric Block Cipher Block Size: 128 bits Key Size: 128, 192, or 256 bits Rounds: 32 Network: Substitution-Permut...

WGU Course C839 - Intro to Cryptography Questions Correctly Answered 2023 GRADED A 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...

WGU C839 - Introduction to Cryptography Real Exam With Complete Solutions Symmetric Block Cipher Block Size: 64 bits Key Size: 128 bits ---------- Correct Answer -------- IDEA (International Data Encryption Algorithm) Symmetric Block Cipher Block Size: 64 bit blocks Key Size: 40 to 128 bits Two versions: 128 and 256 ---------- Correct Answer -------- CAST 128/256 Symmetric Block Cipher Block Size: 128 bits Key Size: 128, 192, or 256 bits Rounds: 32 Network: Substitution-Permut...