C839 Study guides, Class notes & Summaries

WGU C839v5- D334 Additional Practice INTRODUCTION TO CRYPTOGRAPHY

Intro to Cryptography WGU C839 Module 4 Already Passed These are usually the encryption of a message digest with the senders private key. In order to verify them, the recipient uses the senders public key. They are considered good if they provide the following. Authentication Integrity Non-repudiation - Answer ️️ -Digital Signature It is a digital document that contains a public key and some information to allow your system to verify where they key came from. This is the most common...

WGU C839 - Intro to Cryptography with 100% Verified Questions And Answers Which of the following most accurately defines encryption? A changing a message so it can only be easily read by the intended recipient B Making binary changes to a message to conceal it C changing a message using complex mathematics D Applying keys to plain text A What type of encryption uses different keys to encrypt and decrypt the message? A Symmetric B Private key C Secure D Asymmetric D The m...

WGU C839 Objective Assessment 2023 - 2024 Verified WGU C839 Objective Assessment 2023 - 2024 Verified

WGU C839 Pre-Assessment: Introduction to Cryptography 2023 - 2024 Questions and Answers (Verified Answers)

WGU C839 - Introduction to Cryptography | 190 QUESTIONS | WITH COMPLETE SOLUTIONS. Serpent CORRECT ANSWERS: Symmetric Block Cipher Block Size: 128 bits Key Size: 128, 192, or 256 bits Rounds: 32 Network: Substitution-Permutation Tiny Encryption Algorithm (TEA) CORRECT ANSWERS: Symmetric Block Cipher Block Size: 64 bits Key Size: 128 bits Cryptography CORRECT ANSWERS: Deciphering secret writings, kryptos means hidden and grafo means write. Must not be readable by interlopers over secure...

What type of encryption uses different keys to encrypt and decrypt the message? A Symmetric B Private key C Secure D Asymmetric D The most widely used asymmetric encryption algorithm is what? A RSA B Vigenere C DES D Caesar Cipher A Original, unencrypted information is referred to as ____. A text B plaintext C cleantext D ciphertext B Which of the following is NOT an asymmetric system? A PGP B RSA C SSL D DES D In order for User A to send User B an encrypted message that onl...

WGU C839 - Intro to Cryptography (Recent Actual Exam) (100% Correct Answers)

A _____ is a function that takes a variable-size input m and returns a fixed-size string. A Symmetric cipher B Hash C Asymmetric cipher D Feistel -----Correct Answer--------B Which of the following is a cryptographic protocol that allows two parties to establish a shared key over an insecure channel? A Elliptic Curve B RSA C MD5 D Diffie-Hellman -----Correct Answer--------D A _________ is a digital representation of information that identifies you as a relevant entity by a trusted th...

WGU C839 EXAM 100 REAL OA EXAM QUESTIONS AND CORRECT ANSWERS 2023-2024 (VERIFIED ANSWERS)|AGRADE Original, unencrypted information is referred to as ____. A text B plaintext C cleantext D ciphertext B Which of the following is NOT an asymmetric system? A PGP B RSA C SSL D DES D In order for User A to send User B an encrypted message that only User B can read, User A must encrypt message with which of the following keys? A User A's public key B User A's private key C User ...