Kerckhoffs principle - Study guides, Class notes & Summaries

EC Council - Certified Encryption Specialist Latest 2023 Graded A DSA FIPS 186 AES FIPS 197 MD5 RFC1321 GOST GOST Block Ciphers Examples include: AES, TwoFish, Serpent, Skipjack, DES, 3DES Stream Ciphers Examples include: RC4, FISH, Pike Hash Functions Examples include: MD5, MD6, SHA-1, SHA-2, SHA-3, FORK-256, RIPEMD-160, GOST, TIGER Asymmetric cryptography Also called public key cryptography Symmetric Stream Cipher Also called State Ciphers Symmetric cryptography Single private key us...

The science of altering communication so that it cannot be understood without having a key. correct answers Cryptography Simple cipher that uses shifting letters. correct answers Caesar Cipher Used by Hebrews, cipher that reverses the alphabet. correct answers Atbash Cylinder tool used to encrypt and decrypt plaintext using a cloth or piece of leather wrapped around a rod. correct answers Scytale Cipher that rotate or shifts by 13 letters. correct answers ROT13 Most common multi-a...

Vulnerability vs. Threat A vulnerability is a weakness that can be use to harm us, meanwhile a threat is an entity that seeks to exploit a weakness and harm us. Logical Controls • Passwords • Encrptions • Firewalls • Intrusion Detection Systems • Logical Access Controls Utility usefulness of data Interception attack against confidentiality Concept of defense in depth for layers of confidentiality Data Layers Encryption Access Controls Vulnerabili...

WGU C839 OBJECTIVE ASSESSMENT 2 LATEST VERSIONS (VERSION A & B) /WGU C839 INTRODUCTION TO CRYPTOGRAPHY OA ACTUAL EXAM Which encryption standard uses the same key to encrypt and decrypt messages? - Answer-Symmetric /.Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? - Answer-Skipjack /.What is the most commonly used format for certificates? - Answer-X.509 v3 /.What is referenced to determine if a certificate has been revoked? - Answer-Certificat...

encryption A reversible process of converting data such that to a third party the data is nothing more than a random binary string. decryption Makes encrypted data readable. cryptography The science of encrypting and decrypting data. encryption The process of converting plaintext information into ciphertext information. plaintext Any form of easily readable binary data. ciphertext Any form of encrypted binary data. code A representation of an enti...

WGU C839 - Pre-Assessment: Introduction to Cryptography(Q & A)2023 Which encryption standard uses the same key to encrypt and decrypt messages? - Answer Symmetric Key Encryption Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? - Answer SKIPJACK What is the most commonly used format for certificates? - Answer X.509 v3 *Version 3* What is referenced to determine if a certificate has been revoked? - Answer Certificate Revocation List *(CRL)* ...

WGU C839 - Pre-Assessment: Introduction to Cryptography(Q & A)2023 Which encryption standard uses the same key to encrypt and decrypt messages? - Answer Symmetric Key Encryption Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? - Answer SKIPJACK What is the most commonly used format for certificates? - Answer X.509 v3 *Version 3* What is referenced to determine if a certificate has been revoked? - Answer Certificate Revocation List *(CRL)* ...

The science of altering communication so that it cannot be understood without having a key. CORRECT ANSWERS: Cryptography Simple cipher that uses shifting letters. CORRECT ANSWERS: Caesar Cipher Used by Hebrews, cipher that reverses the alphabet. CORRECT ANSWERS: Atbash Cylinder tool used to encrypt and decrypt plaintext using a cloth or piece of leather wrapped around a rod. CORRECT ANSWERS: Scytale Cipher that rotate or shifts by 13 letters. CORRECT ANSWERS: ROT13 Most comm...

C841 Cryptography Exam ...

Cybersecurity countermeasures are: - Correct answer-the tools and techniques we use to reduce risk One vulnerability in air traffic control system case was - Correct answer-unauthenticated messages What does non-repudiation mean? - Correct answer-suffuncent evidence exists such taht a user cannot deny an action What is the Parkerian hexad compared to the CIA triad - Correct answer-Parkenian has 6 elements including the 3 from the CIA but is not as widely known Why does access control bas...