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WorksheetsCryptology
Total questions: 15
Worksheet time: 7mins
This terms is derived from the Greek work kryptos, meaning hidden or secret.
Chronological
Cryogenics
Encryption
Steganography
This person develops strong solutions to provide data security.
Cartographer
Computer forensic analyst
Cryptanalyst
Cryptographer
What is encryption?
A process of altering data to make it appear random
A method of storing data in binary format
A way of compressing data to save storage space
A technique for transmitting data over the internet
What is a cryptographic key?
A set of mathematical values used to encrypt and decrypt data
A physical key used to lock and unlock encrypted data
A string of characters used to represent binary data
A protocol for secure communication over the internet
Why is data encryption necessary?
To ensure privacy and protect sensitive data
To increase the speed of data transmission
To prevent data breaches caused by weak passwords
To comply with industry and government regulations
What is a brute force attack?
An attempt to determine the decryption key by making millions of guesses
A method of encrypting data using a combination of substitution and transposition ciphers
A protocol for secure communication over the internet
A cryptographic algorithm used for data encryption
What is symmetric encryption?
A type of encryption where the same key is used for both encryption and decryption
A type of encryption where different keys are used for encryption and decryption
A type of encryption that uses a combination of substitution and transposition ciphers
A type of encryption that is resistant to brute force attacks
What is the primary purpose of encryption?
To increase data storage capacity
To prevent unauthorized access to information
To speed up data transmission
To reduce the complexity of algorithms
In cybersecurity, what is a Plaintext?
original message
coded message
algorithm for transforming plaintext to ciphertext
info used in cipher known only to sender/receiver
In cybersecurity, what is a ciphertext?
•field of both cryptography and cryptanalysis
•study of encryption principles/methods
•converting plaintext to ciphertext
•coded message
In cybersecurity, what is a cipher?
•study of principles/methods of deciphering ciphertext without knowing key
•converting plaintext to ciphertext
•coded message
algorithm for transforming plaintext to ciphertext
In cybersecurity, what is a key?
algorithm for transforming plaintext to ciphertext
info used in cipher known only to sender/receiver
•recovering ciphertext from plaintext
•converting plaintext to ciphertext
In cybersecurity, What is a encipher
converting plaintext to ciphertext
coded message
•study of principles/methods of deciphering ciphertext without knowing key
study of encryption principles/methods
In cybersecurity, What is a decipher?
original message
algorithm for transforming plaintext to ciphertext
recovering plaintext from ciphertext
•field of both cryptography and cryptanalysis
What is the correct definition of cryptography?
•study of principles/methods of deciphering ciphertext without knowing key
•study of encryption principles/methods
•field of both cryptography and cryptanalysis
•coded message
