unbreakability

English

Etymology

From un- +‎ breakability.

Noun

unbreakability (uncountable)

  1. The quality of being impossible to break.
    Synonym: unbreakableness
    • 2004, American Mathematical Society, Bulletin (new series) of the American Mathematical Society
      So when one speaks of the "unbreakability" of one-time pads, one is speaking only to the mathematical unbreakability of the cryptography and not to the underlying security system in which it is embedded.