Tag Info

New answers tagged


NIST has yet to standardize any accepted uses for these functions. As they said in response to a comment on the SHA-3 draft (pdf) which questioned this: The text in Section 7 on conformance explicitly asserts that approved uses of the extendable-output functions will be specified in NIST special publications. NIST will consider these comments in the ...


As of now I can think of four different applications for XOFs. Note that some change the padding depending on the requested output size and so the outputs are truly unrelated, Skein does this. Signature message hashing. Using an XOF you don't have to rely on ad-hoc constructions for hashing the message in signature schemes to the appropriate size. For ...

Top 50 recent answers are included