WGU Introduction to Cryptography - C839 Exam Package Deal Graded A+

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 t...

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 ...

Which encryption standard uses the same key to encrypt and decrypt messages? - Symmetric Key Encryption Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? - SKIPJACK What is the most commonly used format for certificates? - X.509 v3 *Version 3* What is refe...

What type of encryption uses different keys to encrypt and decrypt the message? - asymmetric The most widely used asymmetric encryption algorithm is what? - RSA Original, unencrypted information is referred to as _____. - plaintext Which of the following is NOT an asymmetric system? - DES In ord...

1. A business wants to use keys issued by a trusted third party to demonstrate to potential customers that it is a legitimate organization. Which key is used to sign the certificate issued to the business? Private key of the root CA Public key of the root CA Private key of the company Public k...

rypTool - 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. ...

What type of encryption uses different keys to encrypt and decrypt the message? A Symmetric B Private key C Secure D Asymmetric - D The most widely used asymmetric encryption algorithm is what? A RSA B Vigenere C DES D Caesar Cipher - A Original, unencrypted information is referred to as _...