18 Questions
What is another name for asymmetric key encryption?
Public key encryption
In visual cryptography, how is a secret binary image encrypted?
It is encrypted as 2 binary images on separate transparency sheets
What does a public key in asymmetric key encryption refer to?
A widely distributed key
What is the primary purpose of visual cryptography?
To present decrypted messages as visual information
What is the significance of using large prime numbers in asymmetric key encryption?
To increase security by making it hard to factorize the keys
How does visual cryptography differ from conventional text-based encryption methods?
It presents decrypted messages as visual information
What is the main purpose of encryption?
To prevent unauthorized access to data
Which encryption technique uses the same key for both encryption and decryption?
Symmetric Key Encryption
What is the main vulnerability associated with Symmetric Key Encryption?
Key interception by attackers
Which encryption method is susceptible to interception due to the need for key distribution?
Symmetric Key Encryption
What kind of network encryption is WPA2 commonly used for?
Wireless network encryption
In Caesar Cipher, what happens to each letter or character in the plaintext?
It gets shifted by a fixed number of positions
When using asymmetric key encryption, who uses their private key to decrypt the message?
Alice
In asymmetric key encryption, what is the purpose of using the public key?
To encrypt the message
What is the main concern of data security in computer studies?
Protecting software and data from unauthorized tampering
In the context of privacy in computer studies, what is a common measure used by companies to prevent data tampering?
Careful screening of job applicants
What is the purpose of visual cryptography in computer studies?
Enhancing data security through image encryption techniques
How do large organizations ensure continuity in computer operations during disasters according to the text?
Having disaster recovery plans
Learn about the concept of visual cryptography, a cryptographic technique that uses visual information for encryption and decryption. Explore how a simple image can hide encrypted messages that can be decoded by the human eye, with examples provided.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
