SHA-256

URI: https://gptkb.org/entity/SHA-256

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:hash_function
gptkbp:block	512 bits
gptkbp:category	gptkb:hash_function
gptkbp:collisionResistance	2^128 operations
gptkbp:designedBy	gptkb:National_Security_Agency
gptkbp:digestSize	256 bits
gptkbp:format	gptkb:base64 hexadecimal
gptkbp:inputSizeLimit	2^64-1 bits
gptkbp:introducedIn	2001
gptkbp:numberOfRounds	64
gptkbp:partOf	gptkb:SHA-2_family
gptkbp:predecessor	gptkb:SHA-1
gptkbp:preimageResistance	2^256 operations
gptkbp:publishedBy	gptkb:NIST
gptkbp:publishedIn	gptkb:FIPS_PUB_180-2
gptkbp:RFC	gptkb:RFC_4634
gptkbp:secondPreimageResistance	2^256 operations
gptkbp:standardizedBy	gptkb:NIST
gptkbp:status	widely used
gptkbp:successor	gptkb:SHA-512
gptkbp:supportsAlgorithm	gptkb:Merkle–Damgård_construction
gptkbp:usedIn	gptkb:Bitcoin gptkb:cryptocurrency gptkb:Git gptkb:PGP gptkb:SSL TLS
gptkbp:vulnerableTo	none practical as of 2024
gptkbp:bfsParent	gptkb:Bitcoin gptkb:SSL/TLS gptkb:S/MIME gptkb:SSL gptkb:TLS_1.2
gptkbp:bfsLayer	5
https://www.w3.org/2000/01/rdf-schema#label	SHA-256