( < secure hash algorithm,
"turvaline räsialgoritm")

olemus
räsifunktsioonide sari, NSA väljatööde, alates 1993. a.
koostis: SHA-0, SHA-1, SHA-2, SHA-3, SHA-224, SHA-256, SHA-384, SHA-512, SHA-512/224, SHA-512/256

ülevaateid
https://en.wikipedia.org/wiki/Secure_Hash_Algorithms

https://www.thesslstore.com/blog/difference-sha-1-sha-2-sha-256-hash-algorithms/

https://web.archive.org/web/20160330153520/http://www.staff.science.uu.nl/~werkh108/docs/study/Y5_07_08/infocry/project/Cryp08.pdf

standardid
https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf

https://tools.ietf.org/html/rfc6234