olemus
samaväärsus kontekstist sõltuvas tähenduses
= a context-dependent sameness

näiteid
https://en.wikipedia.org/wiki/Computational_indistinguishability

http://users.encs.concordia.ca/~wang/perfectind.pdf

http://www.lix.polytechnique.fr/~catuscia/papers/Geolocation/geo.pdf

http://publish.illinois.edu/science-of-security-lablet/files/2014/06/A-Formal-Definition-of-Protocol-Indistinguishability-and-its-Verification-Using-Maude-NPA.pdf

http://link.springer.com/content/pdf/10.1007%2F3-540-36288-6_6.pdf

https://luca-giuzzi.unibs.it/corsi/Support/papers-cryptography/p475-sahai.pdf

https://www.scielo.br/pdf/rbef/v29n3/a13v29n3.pdf

vt ka
- arvutuslik eristamatus
- krüptogrammide eristamatus