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Message-ID: <CALLzPKZ8voNPoyfTznq+_gPThbW6rqdGKLBztZ8qkesM2qtziQ@mail.gmail.com> Date: Wed, 18 Jan 2012 17:20:40 +0200 From: "Kasatkin, Dmitry" <dmitry.kasatkin@...el.com> To: David Howells <dhowells@...hat.com> Cc: keyrings@...ux-nfs.org, linux-crypto@...r.kernel.org, linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org, zohar@...ux.vnet.ibm.com, arjan.van.de.ven@...el.com, alan.cox@...el.com Subject: Re: [PATCH 08/21] KEYS: Add signature verification facility [ver #3] On Wed, Jan 18, 2012 at 5:13 PM, David Howells <dhowells@...hat.com> wrote: > Kasatkin, Dmitry <dmitry.kasatkin@...el.com> wrote: > >> Yes. it is clear... >> Would it be possible to have pass data (uncompleted) hash? > > Yes, provided it's not finalised. Also, with the current code it would have > to be a shash, but I think I should be able to support the passing in of an > async hash by exporting the state from that and importing the state into a > shash using the crypto layer export and import functions. > I thought about export/import. But I think export/Import is hash driver implementation specific... Cannot use ahash state for shash... As you said in repose to later patch, you could provide some function to build a final metadata buffer out of signature to finalize the hash... - Dmitry > David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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