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Message-ID: <Yh/WUSBesj/tRncT@gmail.com>
Date:   Wed, 2 Mar 2022 20:40:49 +0000
From:   Eric Biggers <ebiggers@...nel.org>
To:     zhenwei pi <pizhenwei@...edance.com>
Cc:     arei.gonglei@...wei.com, mst@...hat.com, jasowang@...hat.com,
        virtualization@...ts.linux-foundation.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        herbert@...dor.apana.org.au, helei.sig11@...edance.com
Subject: Re: [PATCH v3 0/4] Introduce akcipher service for virtio-crypto

On Wed, Mar 02, 2022 at 11:39:13AM +0800, zhenwei pi wrote:
> v2 -> v3:
>   Rename virtio_crypto_algs.c to virtio_crypto_skcipher_algs.c, and
>     minor changes of function name.
>   Minor changes in virtio_crypto_akcipher_algs.c: no need to copy from
>     buffer if opcode is verify.
> 
> v1 -> v2:
>   Fix 1 compiling warning reported by kernel test robot <lkp@...el.com>
>   Put "__le32 akcipher_algo;" instead of "__le32 reserve;" field of
>     struct virtio_crypto_config directly without size change.
>   Add padding in struct virtio_crypto_ecdsa_session_para to keep
>     64-bit alignment.
>   Remove irrelevant change by code format alignment.
> 
>   Also CC crypto gurus Herbert and linux-crypto@...r.kernel.org.
> 
>   Test with QEMU(patched by the v2 version), works fine.
> 
> v1:
>   Introduce akcipher service, implement RSA algorithm, and a minor fix.
> 
> zhenwei pi (4):
>   virtio_crypto: Introduce VIRTIO_CRYPTO_NOSPC
>   virtio-crypto: introduce akcipher service
>   virtio-crypto: implement RSA algorithm
>   virtio-crypto: rename skcipher algs
> 
>  drivers/crypto/virtio/Makefile                |   3 +-
>  .../virtio/virtio_crypto_akcipher_algs.c      | 585 ++++++++++++++++++
>  drivers/crypto/virtio/virtio_crypto_common.h  |   7 +-
>  drivers/crypto/virtio/virtio_crypto_core.c    |   6 +-
>  drivers/crypto/virtio/virtio_crypto_mgr.c     |  15 +-
>  ...o_algs.c => virtio_crypto_skcipher_algs.c} |   4 +-
>  include/uapi/linux/virtio_crypto.h            |  82 ++-
>  7 files changed, 693 insertions(+), 9 deletions(-)
>  create mode 100644 drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
>  rename drivers/crypto/virtio/{virtio_crypto_algs.c => virtio_crypto_skcipher_algs.c} (99%)

Why is this patchset useful?  That isn't explained anywhere.

- Eric

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