Cryptography Chap-1

What does the word cryptography mean?

• The art of cooking or baking secret codes

• The art of writing or solving secret codes

• The art of drawing or painting secret codes

• The art of throwing or catching secret codes

What is encryption?

• When you put data / text into code making it difficult to read or understand.
• A secret or disguised way of writing; a code.
• A formal language designed to communicate instructions to a machine
• What is put in, taken in, or operated on by any process or system.

A cipher is _________________________.

• a person who makes up secret codes

• an algorithm that is used to scramble text so that it can be passed in secret

• a lock that can be used to lock a message in a lock box

• any puzzle, such as a crossword or Sudoku puzzle

Cryptography is the science of encrypting or hiding information.

• True

• False

_________ is the art and science of transforming messages to make them secure and immune to attacks

_____________ algorithm transfers from plaintext to ciphertext

_______________________________ ensures that sensitive information are accessed only by an authorized person and kept away from those not authorized to possess them.

• Availability

• Confidentiality

• Cryptography

• Integrity

_______________________ ensures that information are in a format that is true and correct to its original purposes.

• Availabitlity

• Confidentiality

• Cryptography

• Integrity

_______________________ is the process of identifying an individual, usually based on a username and password.

• Authentication

• Authorization

• Either Authentication or Authorization

• Neither Authentication Nor Authorization

___________________ is the process of giving individuals access to system objects based on their identity.

• Authentication

• Authorization

• either authentication or authorization

• Neither authentication nor authorization