[PATCH v3 0/4] Introduce x86 assembler accelerated implementation for SM4 algorithm

[Herbert Xu]

On Tue, Jul 20, 2021 at 11:46:38AM +0800, Tianjia Zhang wrote:
> This patchset extracts the public SM4 algorithm as a separate library,
> At the same time, the acceleration implementation of SM4 in arm64 was
> adjusted to adapt to this SM4 library. Then introduces an accelerated
> implementation of the instruction set on x86_64.
> 
> This optimization supports the four modes of SM4, ECB, CBC, CFB, and
> CTR. Since CBC and CFB do not support multiple block parallel
> encryption, the optimization effect is not obvious. And all selftests
> have passed already.
> 
> The main algorithm implementation comes from SM4 AES-NI work by
> libgcrypt and Markku-Juhani O. Saarinen at:
> https://github.com/mjosaarinen/sm4ni
> 
> Benchmark on Intel Xeon Cascadelake, the data comes from the mode 218
> and mode 518 of tcrypt. The abscissas are blocks of different lengths.
> The data is tabulated and the unit is Mb/s:
> 
> sm4-generic   |    16      64     128     256    1024    1420    4096
>       ECB enc | 40.99   46.50   48.05   48.41   49.20   49.25   49.28
>       ECB dec | 41.07   46.99   48.15   48.67   49.20   49.25   49.29
>       CBC enc | 37.71   45.28   46.77   47.60   48.32   48.37   48.40
>       CBC dec | 36.48   44.82   46.43   47.45   48.23   48.30   48.36
>       CFB enc | 37.94   44.84   46.12   46.94   47.57   47.46   47.68
>       CFB dec | 37.50   42.84   43.74   44.37   44.85   44.80   44.96
>       CTR enc | 39.20   45.63   46.75   47.49   48.09   47.85   48.08
>       CTR dec | 39.64   45.70   46.72   47.47   47.98   47.88   48.06
> sm4-aesni-avx
>       ECB enc | 33.75  134.47  221.64  243.43  264.05  251.58  258.13
>       ECB dec | 34.02  134.92  223.11  245.14  264.12  251.04  258.33
>       CBC enc | 38.85   46.18   47.67   48.34   49.00   48.96   49.14
>       CBC dec | 33.54  131.29  223.88  245.27  265.50  252.41  263.78
>       CFB enc | 38.70   46.10   47.58   48.29   49.01   48.94   49.19
>       CFB dec | 32.79  128.40  223.23  244.87  265.77  253.31  262.79
>       CTR enc | 32.58  122.23  220.29  241.16  259.57  248.32  256.69
>       CTR dec | 32.81  122.47  218.99  241.54  258.42  248.58  256.61
> 
> ---
> v3 changes:
>   * Remove single block algorithm that does not greatly improve performance
>   * Remove accelerated for sm4 key expand, which is not performance-critical
>   * Fix the warning on arm64/sm4-ce
> 
> v2 changes:
>   * SM4 library functions use "sm4_" prefix instead of "crypto_" prefix
>   * sm4-aesni-avx supports accelerated implementation of four specific modes
>   * tcrypt benchmark supports sm4-aesni-avx
>   * fixes of other reviews
> 
> 
> Tianjia Zhang (4):
>   crypto: sm4 - create SM4 library based on sm4 generic code
>   crypto: arm64/sm4-ce - Make dependent on sm4 library instead of
>     sm4-generic
>   crypto: x86/sm4 - add AES-NI/AVX/x86_64 implementation
>   crypto: tcrypt - add the asynchronous speed test for SM4
> 
>  arch/arm64/crypto/Kconfig              |   2 +-
>  arch/arm64/crypto/sm4-ce-glue.c        |  20 +-
>  arch/x86/crypto/Makefile               |   3 +
>  arch/x86/crypto/sm4-aesni-avx-asm_64.S | 589 +++++++++++++++++++++++++
>  arch/x86/crypto/sm4_aesni_avx_glue.c   | 459 +++++++++++++++++++
>  crypto/Kconfig                         |  22 +
>  crypto/sm4_generic.c                   | 180 +-------
>  crypto/tcrypt.c                        |  26 +-
>  include/crypto/sm4.h                   |  25 +-
>  lib/crypto/Kconfig                     |   3 +
>  lib/crypto/Makefile                    |   3 +
>  lib/crypto/sm4.c                       | 176 ++++++++
>  12 files changed, 1330 insertions(+), 178 deletions(-)
>  create mode 100644 arch/x86/crypto/sm4-aesni-avx-asm_64.S
>  create mode 100644 arch/x86/crypto/sm4_aesni_avx_glue.c
>  create mode 100644 lib/crypto/sm4.c

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