Bit stream cipher - Study guides, Class notes & Summaries

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...

___ is an older hashing function designed for 32 bit systems, results in a 128 bit hash value - MD5 ___ is an open source personal encryption program that might finally be a suitable replacement for the other one that died at version 7.1a - Veracrypt ___ is used for integrity checking. It uses a a one-way function - Hashing ____ is the most secure hashing function now, with hashes as long as 512 bits - SHA2 A ___ cipher does a good job of diffusion but is prone to cascading errors - block ...

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 -Correct Answer X.509 v3 What is referenced to determine if a certificate has been revoked?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...

CISSP CBK Review Exam Questions And Correct Answers 2024 Update The mathematical manipulation of information that prevents the information from being disclosed or altered - Answer -Cryptography The practice of defeating the protective properties of cryptography - Answer -Cryptanalysis The study of cryptography and cryptanalysis - Answer -Cryptology Basic Goals of Cryptography - Answer -Confidentiality, Integrity, Authenticity, Non-Repudiation, Access Control, Make compromise diffic...

802.1x Correct Answer An IEEE standard used to provide a port-based authentication mechanism over a LAN or wireless LAN. After Action Report Correct Answer A post-incident report that include lessons learned to improve security for the future. Accountability Correct Answer In security terms, the process of determining who to hold responsible for a particular activity or event. ACL Correct Answer A list that specifies which objects in a system have which permissions. Active Directory ...

XOR the following ------------------ - Answer asymmetric key-based encryption -typical methods - Answer RSA DSA El Gamal Symmetric key-based encryption -Typical Methods - Answer RC2- 40 bit key size 64 bit block RC4- (Stream Cipher)- Used in SSL and WEP RC5- (Variable Key size, 32, 64, or 128 bit block size) AES- (128, 192 or 256 bit key size, 128 bit block size) DES- (56 bit key size. 64 bit Block size) 3DES- (112 bit key size, 64 bit block size) Block Encrypti...

WGU C839- test Questions and Answers Already Passed What is the block and key size for Blowfish - 64 bit block - 32-448 bit key What term from the list below best describes a data concealment for covert communication that makes use of LSB replacement? Steganography What term from the list below best describes a data concealment for covert communication that makes use of LSB replacement? Steganography Which block cipher below uses a block size of 128 bits and key sizes up to 256 bits? TwoFish ...

1.1).What is the OSI security architecture? - Answer-framework that provides a systematic way of defining the requirements for security and characterizing the approaches to satisfying those requirements. The document defines security attacks, mechanisms, and services, and the relationships among these categories. 1.2).What is the difference between passive and active security threats? - Answer-Passive attacks have to do with eavesdropping on, or monitoring, transmissions. Electronic mail, f...

Cryptography and Network Security Principles and Practice 8th Edition, William Stallings (SOLUTION MANUAL, 2024), All Chapters 1-20 Covered, Latest Guide A+. TABLE OF CONTENTS Chapter 1: Introduction..............................................................................................5 Chapter 2: Classical Encryption Techniques ............................................................7 Chapter 3: Block Ciphers and the Date Encryption Standard .............................. 13 Cha...

Cryptography and Network Security Principles and Practice 8th Edition, William Stallings (SOLUTION MANUAL 2024), All Chapters 1-20, Latest Guide A+. TABLE OF CONTENTS Chapter 1: Introduction..............................................................................................5 Chapter 2: Classical Encryption Techniques ............................................................7 Chapter 3: Block Ciphers and the Date Encryption Standard .............................. 13 Chapter 4: F...