Symmetric vs Asymmetric Cryptography

Digital signatures

Symmetric cryptography (correct)

Asymmetric cryptography

Hash functions

To encrypt data sent from the sender to the receiver

To link a public key to a particular individual

To create a unique and fixed-length hash value

To sign a message and enable detection of changes to the message contents (correct)

To encrypt data sent from the sender to the receiver

To sign a message and enable detection of changes to the message contents

To link a public key to a particular individual (correct)

To create a unique and fixed-length hash value