Week 6

Which protocol uses 3DES symmetric key encryption and RSA for key exchanges and digital signatures?

What is the main purpose of Secure Electronic Transactions (SET)?

Which modern cryptographic cipher is used by Pretty Good Privacy (PGP) for message encoding?

Which protocol was an early attempt to provide security for 802.11 networks before being replaced by Wi-Fi Protected Access (WPA)?

Which protocol allows the encryption of information passing between computers through a protected and secure virtual connection?

What type of encryption uses Diffie-Hellman key exchange for deriving key material between peers on a public network?

Which encryption protocol provides six services including authentication by digital signatures and message encryption?

In the context of secure communication, what does IPSec use Public-key cryptography for?

Which protocol is known for providing improved user authentication using 802.1X and EAP?

What is the primary function of Pretty Good Privacy (PGP) in email security?

What is the purpose of Triple DES (3DES)?

Which encryption method requires two different keys, one public and one private, for enciphering or deciphering messages?

In asymmetric encryption, if Key A is used to encrypt a message, which key is required to decrypt it?

What was the main purpose of developing the Advanced Encryption Standard (AES)?

Where should Rachel store her public key to allow Alex to securely send messages to her?

What is steganography?

Which modern version of steganography hides information in digital pictures or other images?

What is the main purpose of Secure Sockets Layer (SSL) protocol?

What does Secure Hypertext Transfer Protocol (S-HTTP) primarily offer?

In the context of secure communication protocols, what do true cryptosystems refer to?

What is the most crucial factor in the strength of encryption applications and cryptosystems?

How is the security of encrypted data in cryptosystems primarily maintained?

In terms of encryption key cracking, what is the relationship between the number of bits in a key and the operations needed for brute force attack?

What does a computer need to perform to crack an encryption key using a brute force attack?

Why is it essential to keep some or all elements of the cryptovariable(s) secret in a cryptosystem?

What is a Template cipher used for?

What is the main purpose of Hash Functions?

What distinguishes symmetric encryption from asymmetric encryption?

In symmetric encryption, what happens if one copy of the secret key is compromised?

Which cryptosystem is mentioned as an example of symmetric encryption in the text?

What is the main purpose of cryptanalysis?

Which method is used for scrambling data and involves replacing elements in the plaintext with other elements?

What type of key size is often used to determine the strength of encryption applications?

Which cryptographic algorithms are commonly grouped into symmetric and asymmetric categories?

In cryptography, what is the purpose of a public-key infrastructure (PKI)?

Which method is NOT a form of cryptography but is used to hide information during communication?

What type of encrypted messages provide nonrepudiation by being independently verified?

Which mathematical algorithms generate message digests to confirm the identity of messages?

Which encryption technique combines both symmetric and asymmetric approaches in most popular cryptosystems?

What is the purpose of generating a message summary using hash functions in encryption?