Symmetric vs Asymmetric Cryptography
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Symmetric vs Asymmetric Cryptography

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Questions and Answers

Which type of cryptography utilizes a single key for both encryption and decryption?

  • Digital signatures
  • Symmetric cryptography (correct)
  • Asymmetric cryptography
  • Hash functions
  • What is the purpose of digital signatures?

  • 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)
  • What is the purpose of certificates in cryptography?

  • 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
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