Registro de
datos por una Tercera Parte Fiable, quien da fe ulteriormente de la exactitud
de los mismos y de algunos de sus atributos tales como contenido, origen, fecha
y hora y emisor (ISO-7498-2).
Habitualmente
los datos arriba citados se refieren a la clave pública (en un criptosistema asimétrico)
de un usuario o entidad, en cuyo caso la notarización se realiza por la
Autoridad de Certificación o Tercera Parte Fiable, que en ocasiones se
denomina, informalmente, Notario Electrónico.
[Ribagorda:1997]
Registro de
datos por un tercero de confianza que permite la ulterior seguridad de la
exactitud de sus características, tales como contenido, origen, fecha, entrega.
[ISO-7498-2:1989]
(I) An electronic
functionary analogous to a notary public. Provides a trusted timestamp for a
digital document, so that someone can later prove that the document existed at
that point in time; verifies the signature(s) on a signed document before
applying the stamp. (See:
notarization.) [RFC4949:2007]
(I) Registration of data
under the authority or in the care of a trusted third party, thus making it
possible to provide subsequent assurance of the accuracy of characteristics
claimed for the data, such as content, origin, time of existence, and delivery.
[ISO-7498-2] (See:
digital notary.) [RFC4949:2007]
The provision of evidence by
a notary about the properties of the entities involved in a action or event,
and of the data stored or communicated. [ISO-13888-1:2004]
A non-repudiation token
generated by a notary. [ISO-13888-1:2004]
A trusted third party
trusted to provide evidence about the properties of the entities involved and
of the data stored or communicated, or to extend the lifetime of an existing
token beyond its expiry or beyond subsequent revocation. [ISO-13888-1:2004]
The registration of data
with a trusted third party that allows the later assurance of the accuracy of
its characteristics such as content, origin, time and delivery. [ISO-7498-2:1989]
Enregistrement de
données chez un tiers de confiance permettant de s'assurer ultérieurement de
leur exactitude (contenu, origine, date, remise). [ISO-7498-2:1989]