( < secure hash standard,
"turvalise räsi standard")

olemus
USA standard FIPS 180-4, spetsifitseerib turvaliste räsialgoritmide sarja SHA
= the U.S. standard FIPS 180-4 that specifies the SHA series of secure hashing algorithms

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

https://csrc.nist.gov/publications/detail/fips/180/4/final