WorksheetsCryptography Quiz
Total questions: 10
Worksheet time: 5mins
What is the process of converting plaintext into ciphertext called?
Decryption
Encryption
Encoding
Hashing
What is steganography?
The practice of disguising ciphertext to prevent unauthorized access
The practice of embedding secret information within a carrier medium
The process of securely deleting sensitive information
The process of decrypting messages without a key
In symmetric key cryptography, how many keys are used for both encryption and decryption?
Two keys
Three keys
One key
Four keys
Who is credited with inventing the RSA algorithm, one of the first practical public-key cryptosystems?
Ron Rivest, Adi Shamir, and Leonard Adleman
Diffie and Hellman
Whitfield Diffie
Martin Hellman
What is the term for a cryptographic hash function that maps data of arbitrary size to a fixed-size hash value?
Key derivation function
Message authentication code
Hash function
Digital signature
Which cryptographic algorithm is widely used for secure data transmission over the Internet, providing encryption, authentication, and integrity?
RSA
DES
AES
MD5
Which famous cipher, developed by Julius Caesar, involves shifting each letter in the plaintext by a fixed number of positions down the alphabet?
Vigenère cipher
Atbash cipher
Caesar cipher
Playfair cipher
Which cryptographic protocol is used to secure communication over a computer network, providing secure channels between two devices for data transmission?
SSH
HTTP
SSL/TLS
FTP
What type of cryptography involves the use of two keys, a public key for encryption and a private key for decryption?
Symmetric cryptography
Asymmetric cryptography
Hash-based cryptography
Diffie-Hellman cryptography
In the Diffie-Hellman key exchange protocol, what do two parties exchange to establish a shared secret over an insecure channel?
Private keys
Symmetric keys
Public keys
Hash values
