The characteristic of something having been provided by an authorized source. this concept encompasses non-repudiation, which is the inability of a party to deny or challenge the authentication of an interaction.

The answer is "Authenticity".

Authenticity is the characteristic of something having been given by an approved source. This idea incorporates non-revocation, which is the failure of a gathering to deny or challenge the validation of a collaboration. Authentication in non-repudiable connections gives evidence that these cooperations are remarkably connected to an approved source. 
For instance, a client will most likely be unable to get to a non-repudiable document after its receipt without likewise producing a record of this entrance.