12 Questions
What is the discipline that studies how to make encrypted messages readable without knowing the key?
Cryptanalysis
Which encryption algorithm is based on the Diffie-Hellman idea and works similarly to it?
ElGamal
What is the purpose of using gpg --sign-key in encryption?
Sign documents
Which type of UPS is recommended for areas with a stable mains supply?
Offline
In hybrid cryptography, what is sent first by the server?
The public key
Which encryption algorithm typically requires the most memory to operate?
Block cipher
What is NOT a characteristic of Caesar encryption?
The frequency of the letter pattern provides a great clue
Which encryption algorithm allows the use of three key strengths: 128, 192, or 256-bit passwords?
AES
What is the main purpose of stream ciphers?
High-speed encryption of data
Which of the following is NOT a PKI partner?
Generating Authority
What property is NOT guaranteed by modern cryptography?
Authentication of timeliness
Which of the following is NOT a common use of hashes?
Message encryption
Test your knowledge on hashes, Public Key Infrastructure (PKI), and Caesar encryption with this quiz featuring questions on their uses, partners, and advantages.
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