Learn English – Non-repudiable vs non-refutable vs non-reputable in computer security

computingmeaningterminologyword-usage

In computer security there is a concept known as: non-repudiation

"Non-repudiation refers to a state of affairs where the purported maker of a statement will not be able to successfully challenge the validity of the statement or contract." – wiki

Without going into too many details, it's like having a receipt that proves that data has not been altered.

Now if I had something like a letter, and was able to apply techniques of non-repudiation to it, what would be the best word to describe the letter?

There seem to be three terms used by experts in the field: non-repudiable, non-refutable, and non-reputable

I'm inclined to think that non-repudiable is the most correct; however, the other two seem to be more commonly used in that context.

Any thoughts?

Best Answer

Non-repudiable exists, in generic/ broader legal usage corresponding to non-repudiation.

non-repudiation (Wikipedia)

Non-repudiation refers to a state of affairs where the purported maker of a statement will not be able to successfully challenge the validity of the statement or contract.

See also:
non-repudiable (ContentCreationWiki)

NonRepudiable transaction can't be denied as having taken place or being legitimate; in a sense, a business transaction may still be cancelled by another such transaction.

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