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WorksheetsCryptography Chap-1
Total questions: 15
Worksheet time: 10mins
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
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
(a) is the art and science of transforming messages to make them secure and immune to attacks
(a) 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
_______________ is used to conceal the contents of blocks or streams of data of any size.
Ciphers
Asymmetric Encryption
Symmetric Encryption
Encryption
______________ assures that information and programs are changed only in a specified and authorized manner.
Integrity
Data integrity
System integrity
Availability
A combination of an encryption and decryption algorithm is called a ________.
Key
Cipher
Secret
None of the above
The __________ is the message after transformation
ciphertext
Secret-text
plaintext
None of the above
The (a) provides a systematic framework for defining security attacks, mechanisms and services
