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    SubjectRe: [PATCH net-next v3 02/17] zinc: introduce minimal cryptography library
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    > On Sep 12, 2018, at 11:39 PM, Milan Broz <gmazyland@gmail.com> wrote:
    >
    >> On 13/09/18 01:45, Andy Lutomirski wrote:
    >> On Wed, Sep 12, 2018 at 3:56 PM, Ard Biesheuvel
    > ...
    >> b) Crypto that is used dynamically. This includes dm-crypt
    >> (aes-xts-plain64, aes-cbc-essiv, etc), all the ALG_IF interfaces, a
    >> lot of IPSEC stuff, possibly KCM, and probably many more. These will
    >> get comparatively little benefit from being converted to a zinc-like
    >> interface. For some of these cases, it wouldn't make any sense at all
    >> to convert them. Certainly the ones that do async hardware crypto
    >> using DMA engines will never look at all like zinc, even under the
    >> hood.
    >
    > Please note, that dm-crypt now uses not only block ciphers and modes,
    > but also authenticated encryption and hashes (for ESSIV and HMAC
    > in authenticated composed modes) and RNG (for random IV).
    > We use crypto API, including async variants (I hope correctly :)

    Right. And all this is why I don’t think dm-crypt should use zinc, at least not any time soon.

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