Wgu c839 module - Study guides, Class notes & Summaries

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 - Answer ️️ -Asymmetric Cryptography Slower then Symmetric algorithms provides a secure way to communicate provides ...

Finding any method to decrypt the message that is more efficient that simple brute force attempts. - Breaking Ciphers Simply trying every possible key to decrypt a message - Brute Force Using other techniques to attempt to derive the key, can be used to test the efficacy of a cryptographic algorithm. Frequently used to test hash algorithms for collisions. - Cryptanalysis The most basic tool for breaking classic ciphers like the Caesar and Vigenere Ciphers. Analysis the frequency of certain...

Intro to Cryptography WGU C839 Module 3 Exam/36 Questions & Answers

Intro to Cryptography WGU C839 Module 4, Exam Questions and answers. VERIFIED. 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...

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 - ANSWER Mono-Alphabet Substitution First used by Julius Caesar Every letter is shifted a fixed number of spaces to the left or right the alphabet. - ANSWER Caesar Cipher Hebrew Code substitutes the first letter of the alphabet for the last, and the second letter for the second to last. Simply reverses ...

Intro to Cryptography WGU C839 Module 2. Questions and answers, 100% Accurate. Rated A+ 128 bit Hash Function specified by RFC 1321 Designed to replace MD4 Is not collision resistant - -MD5 160 bit Hash Function There are three other version of this hash with 128, 256 and 320 bit algorithms. Developed to replace the original version which was found to have collision issues. Does not follow any standard or security policies or guidelines - -RIPEMD-160 192 bit hash function. ...

Intro to Cryptography WGU C839 Module 4 Questions And Solutions They are in place by the RSA to ensure uniform certificate management throughout the internet - answers -PKCS (Public Key Cryptography Standards) A certificate is a digital representation of information that identifies you as a relevant entity by a? - answers -Trusted Third Party (TTP) This is an entity trusted by one or more users to manage certificates - answers -CA (Certificate Authority) Used to take the burd...

Finding any method to decrypt the message that is more efficient that simple brute force attempts. - ANSWER Breaking Ciphers Simply trying every possible key to decrypt a message - ANSWER Brute Force Using other techniques to attempt to derive the key, can be used to test the efficacy of a cryptographic algorithm. Frequently used to test hash algorithms for collisions. - ANSWER Cryptanalysis The most basic tool for breaking classic ciphers like the Caesar and Vigenere Ciphers. Analysi...

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 - ANSWER Asymmetric Cryptography Slower then Symmetric algorithms provides a secure way to communicate provides a method of validation Non-repudiation - ANSWER Disadvantages and Advantages...

Intro to Cryptography WGU C839 Module 1