On Thu, Aug 03, 2017 at 01:12:32AM +0000, Yu, Wenqian wrote: > Hi, Herbert and all, > > For saving the offload cost of symmetric cipher to hardware accelerator, we > have a proposal (chained-IV) to batch multiple SG with different IV into one > skcipher request, which also benefits SW implementation. The existing > skcipher with SG list in crypto framework is treating all SG in the SG list > as one single buffer to symmetric crypto operation with same IV. In some use > case the IV for each SG is different (e.g. dm-crypt, the IV for each sector > is different). Could you please give quick comments on the below proposal > before implementation?
We've had this discussion already. The current plan is to use explicit IV generators, as seen here https://patchwork.kernel.org/patch/9803473/ So please help review the existing patches and if there are any inadequacies, please comment. Thanks. -- 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