Non-Repudiation 1.2 Flashcards

1
Q

Describe the concept of PROOF OF INTEGRITY

A
  • Verifies data has not changed.
  • Any data remains accurate and consistent.
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2
Q

How does a HASH contribute to PROOF OF INTEGRITY?

A
  • Creates a short string of text based on data within the plain text.
  • Anything changes with the data, then the HASH also changes.
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3
Q

What happens to a HASH if the data changes?

A
  • If the data changes, then the hash changes.
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4
Q

Important consideration when using a HASH

A
  • A HASH doesn’t associate data with an individual.
  • Only tells you if the data has changed.
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5
Q

What is indicated if a HASH has changed?

A
  • The data has changed or potentially has been compromised.
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6
Q

What is another application of a HASH?

A
  • Authenticates the origin or sender of the data, or authentication.
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7
Q

How does a DIGITAL SIGNATURE assist in guaranteeing PROOF OF ORIGIN?

A
  • A DIGITAL SIGNATURE provides NON-REPUDIATION by making sure the signature is not fake and confirms the data came from the sending party.
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