Authenticity vs Nonrepudiation - What's the difference?

authenticity | nonrepudiation |


As nouns the difference between authenticity and nonrepudiation

is that authenticity is the quality of being genuine or not corrupted from the original while nonrepudiation is (legal) assurance that a contract cannot later be denied by either of the parties involved.

authenticity

English

Noun

(en-noun)
  • The quality of being genuine or not corrupted from the original.
  • I hereby certify the authenticity of this copy.
  • Truthfulness of origins, attributions, commitments, sincerity, and intentions.
  • The authenticity of this painting is questionable.
  • (obsolete) The quality of being authentic (of established authority).
  • Synonyms

    * (quality of being genuine) genuineness

    Antonyms

    * (quality of not being genuine) phoniness; forgery; fakeness; bogosity

    nonrepudiation

    Alternative forms

    * non-repudiation

    Noun

    (-)
  • (legal) Assurance that a contract cannot later be denied by either of the parties involved.
  • (telecommunication) Assurance that the claimed sender or recipient is in fact the party who sent or received a given message.