olemus
räsi loomine räsifunktsiooniga:
- näiteks tervikluse kontrolli meetmena

ülevaateid
https://www.securityinnovationeurope.com/blog/page/whats-the-difference-between-hashing-and-encrypting

https://tiptopsecurity.com/what-is-cryptographic-hashing-md5-sha-and-more/

https://faculty.fuqua.duke.edu/~charvey/Teaching/898_2017/Presentations/Hashing_January_30_2017.pdf

https://crackstation.net/hashing-security.htm

http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-106.pdf

http://www.cse.fau.edu/~xqzhu/papers/ACS.Chi.2017.Hashing.pdf

vt ka
- universaalräsimine