Messages in this thread | | | Date | Fri, 24 Mar 2023 17:50:08 +0800 | From | Herbert Xu <> | Subject | Re: [PATCH v3 4/4] crypto: starfive - Add hash and HMAC support |
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On Fri, Mar 24, 2023 at 05:48:45PM +0800, Herbert Xu wrote: > > Please don't allocate the whole thing because it could be unlimited > in size (and triggered from user-space by untrusted users too). > > If you have to copy, then just allocate a single page and copy > that, hash, and then repeat until it's all done.
Nevermind, your hardware doesn't support hashing piece-meal.
So just use the fallback if it's not aligned.
Cheers, -- Email: Herbert Xu <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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