On Fri, Aug 23, 2019 at 01:20:37PM +0900, boojin.kim wrote: > > If yes, I think the following API needs to be added to skcipher: > - _set(): BIO submitter (dm-crypt, f2fs, ext4) sets cipher to BIO. > - _mergeable(): Block layer checks if two BIOs have the same cipher. > - _get(): Storage driver gets cipher from BIO. > - _set_crypt(): Storage driver gets crypto information from cipher and > writes it on the descriptor of Storage controller. > Is it acceptable to skcipher ? No. If you're after total offload then the crypto API is not for you. What we can support is the offloading of encryption/decryption over many sectors. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
