Understanding Encryption and Digital Signatures

What is the process of converting a message from plaintext into ciphertext?

• Encryption

• Decryption

• Hashing

• Encoding

What is a digital signature?

• A way to validate authenticity

• A type of encryption

• A public key

• A private key

What is the main purpose of digital signatures?

• Authentication

• Encryption

• Decryption

• Hashing

What does PKI stand for?

• Public Key Infrastructure

• Private Key Infrastructure

• Public Key Index

• Private Key Index

What is the original data being sent known as?

• Ciphertext

• Plaintext

• Hash

• Digest

What is the purpose of a hashing algorithm?

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What is the role of a registration authority (RA) in obtaining a digital certificate?

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What does SSL encrypt when a user logs onto a website?

• Data transmitted between the client and server

• User's personal information

• Website content

• Server's IP address

What is the purpose of the handshake in SSL?

• To establish a secure connection

• To compress data

• To encrypt the data

• To authenticate the user

What is the main function of Transport Layer Security (TLS)?

• To provide encryption and data integrity

• To compress data

• To establish a connection

• To send emails