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 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...

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...

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...

Intro to Cryptography WGU C839 Module 5, Exam Questions and answers. Graded A+ 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 tool for breaki...

WGU C839 Introduction to Cryptography: Exam Questions With Answers 2023-2024 Graded A+ | 100% Correct. What is the outcome when using the binary AND function on 11011 and 10100? Counter (CTR) - ANSWER Which mode does the Fortuna algorithm use to generate random numbers? Same state used more than once - ANSWER What is a potential weakness of a pseudo-random number generator (PRNG)? Recipient's private key to decrypt and sender's public key to verify the signature - ANSWER Which key combi...