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    crypto: camellia - add AES-NI/AVX/x86_64 assembler implementation of camellia cipher · d9b1d2e7
    Jussi Kivilinna authored
    
    
    This patch adds AES-NI/AVX/x86_64 assembler implementation of Camellia block
    cipher. Implementation process data in sixteen block chunks, which are
    byte-sliced and AES SubBytes is reused for Camellia s-box with help of pre-
    and post-filtering.
    
    Patch has been tested with tcrypt and automated filesystem tests.
    
    tcrypt test results:
    
    Intel Core i5-2450M:
    
    camellia-aesni-avx vs camellia-asm-x86_64-2way:
    128bit key:                                             (lrw:256bit)    (xts:256bit)
    size    ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
    16B     0.98x   0.96x   0.99x   0.96x   0.96x   0.95x   0.95x   0.94x   0.97x   0.98x
    64B     0.99x   0.98x   1.00x   0.98x   0.98x   0.99x   0.98x   0.93x   0.99x   0.98x
    256B    2.28x   2.28x   1.01x   2.29x   2.25x   2.24x   1.96x   1.97x   1.91x   1.90x
    1024B   2.57x   2.56x   1.00x   2.57x   2.51x   2.53x   2.19x   2.17x   2.19x   2.22x
    8192B   2.49x   2.49x   1.00x   2.53x   2.48x   2.49x   2.17x   2.17x   2.22x   2.22x
    
    256bit key:                                             (lrw:384bit)    (xts:512bit)
    size    ecb-enc ecb-dec cbc-enc cbc-dec ctr-enc ctr-dec lrw-enc lrw-dec xts-enc xts-dec
    16B     0.97x   0.98x   0.99x   0.97x   0.97x   0.96x   0.97x   0.98x   0.98x   0.99x
    64B     1.00x   1.00x   1.01x   0.99x   0.98x   0.99x   0.99x   0.99x   0.99x   0.99x
    256B    2.37x   2.37x   1.01x   2.39x   2.35x   2.33x   2.10x   2.11x   1.99x   2.02x
    1024B   2.58x   2.60x   1.00x   2.58x   2.56x   2.56x   2.28x   2.29x   2.28x   2.29x
    8192B   2.50x   2.52x   1.00x   2.56x   2.51x   2.51x   2.24x   2.25x   2.26x   2.29x
    
    Signed-off-by: default avatarJussi Kivilinna <jussi.kivilinna@mbnet.fi>
    Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
    Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
    d9b1d2e7