The playfair cipher - Study guides, Class notes & Summaries

yptography - science of altering communication so that it cannot be understood without having the key Mono-Alphabet Substitution - algorithms simply substitute one character of cipher text for each character of plain text. Caesar Cipher - choose a number by which to shift each letter of a text. ATBASH Cipher - Hebrew code substitutes first letter of alphabet for last, second letter for the second-to-the-last ROT13 Cipher - characters rotated 13 characters Scytale - Greek, written across ...

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 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...

Cryptography science of altering communication so that it cannot be understood without having the key Mono-Alphabet Substitution algorithms simply substitute one character of cipher text for each character of plain text. Caesar Cipher choose a number by which to shift each letter of a text. ATBASH Cipher Hebrew code substitutes first letter of alphabet for last, second letter for the second-to-the-last ROT13 Cipher characters rotated 13 characters Scytale ...

Introduction to Cryptography - C839. Exam Questions and answers, rated A+ Cryptography (or cryptology); derived from word kryptós which means "hidden," and the verb gráfo, which means "write." It is the study of message secrecy. The process or skill of communicating in or deciphering secret writings or ciphers Cesar Cipher (mono-Alphabet Substitution) You can choose to shift any number of letters, either left or right. If you choose to shift two to of a single alphabet substi...

Introduction to Cryptography - C839, Exam Questions and answers, rated A+ Cryptography - -science of altering communication so that it cannot be understood without having the key Mono-Alphabet Substitution - -algorithms simply substitute one character of cipher text for each character of plain text. Caesar Cipher - -choose a number by which to shift each letter of a text. ATBASH Cipher - -Hebrew code substitutes first letter of alphabet for last, second letter for the second-to-the...

Introduction to Cryptography - C839. Exam Questions and answers. VERIFIED. - Cipher - Key - Algorithm - -- The algorithm(s) needed to encrypt and decrypt a message. - The random bits used in encrypting a message. - The mathematical process used to alter a message and read it unintelligible by any but the intended party Stream Cipher - -Uses a keystream generator and encrypts a message one bit at a time, usually implemented in hardware. Popular when data comes in long streams (such a...

CrypTool Correct Answer Software which allows encryption of text using historic algorithms The Enigma Machine Correct Answer 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 Correct Answer invented by Colonel Fritz Nebel in 1918. The key for this algorithm is a six-by-six square of letters, used to encode a 36-letter alph...

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...

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...