olemus
krüptograafia ja krüptoanalüüsi koondnimetus,
mõnikord hõlmab ka steganograafiat

Merriam-Webster:
: the scientific study of cryptography and cryptanalysis

ülevaateid
http://www.math.uni-leipzig.de/~diem/preprints/cryptology.pdf

http://www.math.stonybrook.edu/~moira/mat331-spr10/papers/1987%20LucianoCryptology%20From%20Caesar%20Ciphers%20to.pdf

https://handouts.secappdev.org/handouts/2018/Bart%20Preneel%20-%20Cryptography%20best%20practices%20[BOOK].pdf

https://www.iacr.org/jofc/

https://www.staff.uni-mainz.de/pommeren/Cryptology/Classic/Classic.pdf

http://www.kaderali.de/fileadmin/vorlesungsskripte/Buch_Crypto_A4.pdf

https://www.hyperelliptic.org/tanja/teaching/cryptoI13/cryptodict.pdf