linux-kernel - Re: [PATCH v2 0/5] crypto: Accelerated Chacha20/Poly1305 implementation

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Date:   Fri, 14 Jul 2023 18:49:58 +1000
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Danny Tsen <dtsen@...ux.ibm.com>
Cc:     linux-crypto@...r.kernel.org, leitao@...ian.org,
        nayna@...ux.ibm.com, appro@...ptogams.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        mpe@...erman.id.au, ltcgcw@...ux.vnet.ibm.com, dtsen@...ibm.com
Subject: Re: [PATCH v2 0/5] crypto: Accelerated Chacha20/Poly1305
 implementation

On Wed, Apr 26, 2023 at 03:11:42PM -0400, Danny Tsen wrote:
> This patch series provide an accelerated/optimized Chacha20 and Poly1305
> implementation for Power10 or later CPU (ppc64le).  This module
> implements algorithm specified in RFC7539.  The implementation
> provides 3.5X better performance than the baseline for Chacha20 and
> Poly1305 individually and 1.5X improvement for Chacha20/Poly1305
> operation.
> 
> This patch has been tested with the kernel crypto module tcrypt.ko and
> has passed the selftest.  The patch is also tested with
> CONFIG_CRYPTO_MANAGER_EXTRA_TESTS enabled.
> 
> 
> Danny Tsen (5):
>   An optimized Chacha20 implementation with 8-way unrolling for ppc64le.
>   Glue code for optmized Chacha20 implementation for ppc64le.
>   An optimized Poly1305 implementation with 4-way unrolling for ppc64le.
>   Glue code for optmized Poly1305 implementation for ppc64le.
>   Update Kconfig and Makefile.
> 
>  arch/powerpc/crypto/Kconfig             |   26 +
>  arch/powerpc/crypto/Makefile            |    4 +
>  arch/powerpc/crypto/chacha-p10-glue.c   |  221 +++++
>  arch/powerpc/crypto/chacha-p10le-8x.S   |  842 ++++++++++++++++++
>  arch/powerpc/crypto/poly1305-p10-glue.c |  186 ++++
>  arch/powerpc/crypto/poly1305-p10le_64.S | 1075 +++++++++++++++++++++++
>  6 files changed, 2354 insertions(+)
>  create mode 100644 arch/powerpc/crypto/chacha-p10-glue.c
>  create mode 100644 arch/powerpc/crypto/chacha-p10le-8x.S
>  create mode 100644 arch/powerpc/crypto/poly1305-p10-glue.c
>  create mode 100644 arch/powerpc/crypto/poly1305-p10le_64.S
> 
> -- 
> 2.31.1

All applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt