olemus
kontekstist sõltuv kaitsevahend
= a context-depending means of protection

näiteid
ISO/IEC 13888:
andmeelementide kogum, mille on olem moodustanud nii, et
iga salajast võtit valdav olem saab kontrollida elementide terviklust ja päritolu
(i) asitõendite tekitamise eesmärgil moodustab ja kontrollib turvaümbrist usaldatav kolmas pool ainult talle teada oleva salajase võtmega
(ii) turvaümbriste genereerimiseks kasutatakse krüptograafilisi kontrollifunktsioone
= set of data items which is constructed by an entity in such a way that any entity holding the secret key can verify their integrity and origin
Note 1. For the purpose of generating evidence, the secure envelope is constructed and verified by a trusted third party (TTP) with a secret key known only to the TTP
Note 2. Cryptographic check functions are used to generate secure envelopes.

https://en.wikipedia.org/wiki/Security_bag

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