On Tue, Feb 20, 2018 at 11:32:25AM +0000, Horia Geantă wrote: > > If final/finup is optional, how is the final hash supposed to be retrieved?
Sometimes the computation ends with a partial hash, that's what export is for. Also it is completely legal to abandon the hash state entirely. > According to documentation, these are the accepted flows (with the option to > export/import a partial hash b/w update and final/finup): > > .init() -> .update() -> .final() > ^ | | > '----' '---> HASH > > .init() -> .update() -> .finup() > ^ | | > '----' '---> HASH > > .digest() > | > '---------------> HASH The documentation is simply incomplete in this regard. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
