Brainiacs

AP World History Unit 12 Vocabulary Already Passed Silk Roads *trade route that connected the Han and Roman Empire in classical times *exchange of goods, ideas, and disease *Asia and India traded silk and spices west to consumers Fall of Roman Empire *problems: internal opposition, power struggle, generals struggled for power and died violently; empire was simply too large. *Empire divided into two districts *Germans from the north attacked the western half *Hun invasions pressured othe...

AP World History - Chapter 18 <Vocabulary> Already Passed bourgeoisie (pron. boor-zwah-ZEE) Term that Karl Marx used to describe the owners of industrial capital; originally meant "townspeople." British Royal Society Association of scientists established in England in 1660 that was dedicated to the promotion of "useful knowledge." Caste War of Yucatán Long revolutionary struggle () of the Maya people of Mexico against European and mestizo intruders. Caudillo (pron. kow-DEE-yoh...

Intro to Cryptography WGU C839 Module 1 Already Passed Most primitive of cryptographic algorithms, substitutes one character of cipher text for each character of plain text. Includes Caesar Cipher Atbash Cipher Affine Cipher Rot13 Cipher Mono-Alphabet Substitution First used by Julius Caesar Every letter is shifted a fixed number of spaces to the left or right the alphabet. Caesar Cipher Hebrew Code substitutes the first letter of the alphabet for the last, and the second letter for t...

Intro to Cryptography WGU C839 Module 3 Questions and Answers 100% Pass Consists of public and private keys The public key is made public by publishing to a directory or installed on a computer. The private key is kept secret Does not involve exchanging a secret key or key exchange The public key is used to encrypt messages only the recipients private key can decrypt Asymmetric Cryptography Slower then Symmetric algorithms provides a secure way to communicate provides a method of valid...

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 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 way to distribu...

WGU - C839 Things to Memorize AES is ___ a. Asymmetric b. Symmetric B Serpent is ___ a. Asymmetric b. Symmetric B Two Fish is ___ a. Asymmetric b. Symmetric B RC5 & RC6 is ___ a. Asymmetric b. Symmetric B IDEA is ___ a. Asymmetric b. Symmetric B TEA is ___ a. Asymmetric b. Symmetric B Shark is ___ a. Asymmetric b. Symmetric BCAST is ___ a. Asymmetric b. Symmetric B Blowfish is ___ a. Asymmetric b. Symmetric B DES is ___ a. Asymmetric b. Symmetric B 3DES is ___ a. A...

WGU C839 Flash Cards for OA Already Graded A DES 64 Bit Block - 56 Bit Key - 16 Rounds AES 128 Bit Block - 128, 192, 256 Bit Key - 10, 12, 14 Rounds BlowFish 64 Bit Block - 32 thru 448 Bit Key - 16 Rounds TwoFish 128 Bit Block - 1 thru 256 Bit Key - 16 Rounds Serpent 128 Bit Block 128, 192, 256 Bit Key - 32 Rounds SkipJack 64 Bit Block - 80 Bit Key - 32 Rounds IDEA 64 Bit Block - 128 Bit Key - 8.5 Rounds Symmetric Block Ciphers DES - AES - BlowFish - TwoFish - Serpent - SkipJack - IDEA ...

WGU C839 Introduction to Cryptography - (EC-Council CES) Latest 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 six-by-six square of letters, used to encode...

WGU C839 Questions and Answers 100% Pass Symmetric Which encryption standard uses the same key to encrypt and decrypt messages? Skipjack Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? X.509 v3 What is the most commonly used format for certificates? Certificate revocation list (CRL) What is referenced to determine if a certificate has been revoked? Sender's public key What needs to be installed on end users' computers to allow them to trust app...

WGU C839-Practice test Questions and Answers Already Passed What term from the list below best describes a data concealment for covert communication that makes use of LSB replacement? -Crypanalysis -Stegnalysis -Steganography -Whitening Steganography Which block cipher below uses a block size of 128 bits and key sizes up to 256 bits? -DES -Blowfish -TwoFish -Tiger TwoFish Symmetric encryptionm is expressed mathematically as : - C=E(k,p) - P= E(k,c) - Me % n - y^2 = x^3 + Ax +B C...