Podcast
Questions and Answers
What is the origin of the word cryptography?
What is the origin of the word cryptography?
- From the Latin words for secret writing
- From the Arabic words for encryption and decryption
- From the Greek words for hidden and to write (correct)
- From the French words for code and protect
What is the most basic cryptographic problem?
What is the most basic cryptographic problem?
- Concealing communication between two parties (correct)
- Protecting confidential data
- Creating complex mechanical machines
- Using algorithms with keys to encrypt and decrypt information
What was the Enigma rotor machine?
What was the Enigma rotor machine?
- A government agency for cryptanalysis
- An early algorithm for encryption and decryption
- A complex mechanical and electromechanical machine for encryption (correct)
- A simple mechanical aid for encryption
What developed in parallel with the development of cryptography?
What developed in parallel with the development of cryptography?
When did secure cryptography largely become the preserve of governments?
When did secure cryptography largely become the preserve of governments?
How is encryption achieved in modern times?
How is encryption achieved in modern times?
Why is it more difficult to crack a code with a longer key?
Why is it more difficult to crack a code with a longer key?
What is the value of a single binary unit of information, or bit?
What is the value of a single binary unit of information, or bit?
What is the effective key length of the early US Government approved cypher DES?
What is the effective key length of the early US Government approved cypher DES?
What is a notable advance in the study of cryptography since World War II?
What is a notable advance in the study of cryptography since World War II?
What algorithms use two mathematically related keys for encryption of the same message?
What algorithms use two mathematically related keys for encryption of the same message?
What protocol led the way for online transactions to take place?
What protocol led the way for online transactions to take place?
Before the introduction of AES, what was commonly used for encrypting information sent over the Internet?
Before the introduction of AES, what was commonly used for encrypting information sent over the Internet?
What does SSL stand for?
What does SSL stand for?
Why did the need for encryption grow as wireless Internet connections became more common among households?
Why did the need for encryption grow as wireless Internet connections became more common among households?
What is one significant learning outcome from the passage?
What is one significant learning outcome from the passage?
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