olemus
salajase võtmega krüptograafias:
ühissaladus võtme tuletuseks; enne selle võtme kasutamist
teatatakse kasutavatele pooltele mingi usaldatava kanali kaudu

NIST SP 800-133 Rev. 2:
a secret key that has been established between the parties who are authorized to use it by means of some secure method (e.g., using a secure manual-distribution process or automated key-establishment scheme)

ülevaateid
https://en.wikipedia.org/wiki/Pre-shared_key

https://wiflex.eu/2020/01/31/8-advantages-of-unique-pre-shared-keys/

https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.89.8468&rep=rep1&type=pdf

https://eprint.iacr.org/2014/037.pdf

standardid
https://datatracker.ietf.org/doc/html/rfc4279
https://datatracker.ietf.org/doc/html/rfc6617
https://www.ietf.org/rfc/rfc8696.pdf