Re: [PATCH -mm crypto] AES: remove crypto_fl_tab and replacecrypto_il_tab with isb_tab

From: Huang, Ying
Date: Fri Mar 14 2008 - 05:29:24 EST


On Wed, 2008-03-12 at 10:22 +0100, Sebastian Siewior wrote:
> * Huang, Ying | 2008-03-11 12:42:56 [+0800]:
>
> >Remove crypto_fl_tab from aes implementation. Because mix_col(1,n) = n,
> >all information in cryto_fl_tab is in crypto_ft_tab too.
> >crypto_il_tab is replaced by isb_tab, the byte shift is done
> >during decryption.
> nice.
>
> >This patch is only for generic C implementation. If this kind of idea
> >is desired, I will implement the ASM version for x86.
> Could you please run
> | modprobe tcrypt mode=200
> with and without the patch?

The files attached is the result.

Best Regards,
Huang Ying

testing speed of ecb(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 599 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1191 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3909 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 14758 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 116484 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 546 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1349 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 4550 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 17349 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 138983 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 599 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1515 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5221 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 20040 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 158428 cycles (8192 bytes)

testing speed of ecb(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 627 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1175 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3854 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 14590 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 115228 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 544 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1334 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 4496 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 17144 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 137100 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 589 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1496 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5144 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 19735 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 156450 cycles (8192 bytes)

testing speed of cbc(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 654 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1381 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 4309 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 16019 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 126050 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 689 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1535 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 4945 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 18602 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 147854 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 724 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1696 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5604 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 21218 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 167954 cycles (8192 bytes)

testing speed of cbc(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 814 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1466 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 4378 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 16025 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 126127 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 769 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1616 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 5012 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 18579 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 147793 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 812 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1783 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5654 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 21182 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 167341 cycles (8192 bytes)

testing speed of lrw(aes) encryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 802 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1515 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4550 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16583 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 130258 cycles (8192 bytes)
test 5 (320 bit key, 16 byte blocks): 1 operation in 780 cycles (16 bytes)
test 6 (320 bit key, 64 byte blocks): 1 operation in 1678 cycles (64 bytes)
test 7 (320 bit key, 256 byte blocks): 1 operation in 5194 cycles (256 bytes)
test 8 (320 bit key, 1024 byte blocks): 1 operation in 19213 cycles (1024 bytes)
test 9 (320 bit key, 8192 byte blocks): 1 operation in 152362 cycles (8192 bytes)
test 10 (384 bit key, 16 byte blocks): 1 operation in 812 cycles (16 bytes)
test 11 (384 bit key, 64 byte blocks): 1 operation in 1843 cycles (64 bytes)
test 12 (384 bit key, 256 byte blocks): 1 operation in 5860 cycles (256 bytes)
test 13 (384 bit key, 1024 byte blocks): 1 operation in 21879 cycles (1024 bytes)
test 14 (384 bit key, 8192 byte blocks): 1 operation in 172419 cycles (8192 bytes)

testing speed of lrw(aes) decryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 799 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1495 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4482 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16413 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 128887 cycles (8192 bytes)
test 5 (320 bit key, 16 byte blocks): 1 operation in 771 cycles (16 bytes)
test 6 (320 bit key, 64 byte blocks): 1 operation in 1658 cycles (64 bytes)
test 7 (320 bit key, 256 byte blocks): 1 operation in 5136 cycles (256 bytes)
test 8 (320 bit key, 1024 byte blocks): 1 operation in 19011 cycles (1024 bytes)
test 9 (320 bit key, 8192 byte blocks): 1 operation in 150736 cycles (8192 bytes)
test 10 (384 bit key, 16 byte blocks): 1 operation in 814 cycles (16 bytes)
test 11 (384 bit key, 64 byte blocks): 1 operation in 1821 cycles (64 bytes)
test 12 (384 bit key, 256 byte blocks): 1 operation in 5784 cycles (256 bytes)
test 13 (384 bit key, 1024 byte blocks): 1 operation in 21629 cycles (1024 bytes)
test 14 (384 bit key, 8192 byte blocks): 1 operation in 170319 cycles (8192 bytes)

testing speed of xts(aes) encryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 833 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1509 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4458 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16232 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 126195 cycles (8192 bytes)
test 5 (384 bit key, 16 byte blocks): 1 operation in 852 cycles (16 bytes)
test 6 (384 bit key, 64 byte blocks): 1 operation in 1708 cycles (64 bytes)
test 7 (384 bit key, 256 byte blocks): 1 operation in 5135 cycles (256 bytes)
test 8 (384 bit key, 1024 byte blocks): 1 operation in 18802 cycles (1024 bytes)
test 9 (384 bit key, 8192 byte blocks): 1 operation in 147053 cycles (8192 bytes)
test 10 (512 bit key, 16 byte blocks): 1 operation in 938 cycles (16 bytes)
test 11 (512 bit key, 64 byte blocks): 1 operation in 1924 cycles (64 bytes)
test 12 (512 bit key, 256 byte blocks): 1 operation in 5850 cycles (256 bytes)
test 13 (512 bit key, 1024 byte blocks): 1 operation in 21524 cycles (1024 bytes)
test 14 (512 bit key, 8192 byte blocks): 1 operation in 168333 cycles (8192 bytes)

testing speed of xts(aes) decryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 855 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1490 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4379 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 15931 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 124614 cycles (8192 bytes)
test 5 (384 bit key, 16 byte blocks): 1 operation in 847 cycles (16 bytes)
test 6 (384 bit key, 64 byte blocks): 1 operation in 1684 cycles (64 bytes)
test 7 (384 bit key, 256 byte blocks): 1 operation in 5062 cycles (256 bytes)
test 8 (384 bit key, 1024 byte blocks): 1 operation in 18574 cycles (1024 bytes)
test 9 (384 bit key, 8192 byte blocks): 1 operation in 145296 cycles (8192 bytes)
test 10 (512 bit key, 16 byte blocks): 1 operation in 932 cycles (16 bytes)
test 11 (512 bit key, 64 byte blocks): 1 operation in 1892 cycles (64 bytes)
test 12 (512 bit key, 256 byte blocks): 1 operation in 5756 cycles (256 bytes)
test 13 (512 bit key, 1024 byte blocks): 1 operation in 21227 cycles (1024 bytes)
test 14 (512 bit key, 8192 byte blocks): 1 operation in 166316 cycles (8192 bytes)

testing speed of ecb(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 528 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1213 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3984 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 15060 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 118884 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 558 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1362 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 4618 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 17634 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 141172 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 601 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1535 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5263 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 20236 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 160585 cycles (8192 bytes)

testing speed of ecb(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 521 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1191 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 3895 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 14735 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 116355 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 554 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1352 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 4542 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 17295 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 138497 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 594 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1507 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5178 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 19855 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 157464 cycles (8192 bytes)

testing speed of cbc(aes) encryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 657 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1396 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 4406 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 16393 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 129278 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 691 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1641 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 5187 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 19155 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 151310 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 736 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1794 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5819 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 21769 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 170831 cycles (8192 bytes)

testing speed of cbc(aes) decryption
test 0 (128 bit key, 16 byte blocks): 1 operation in 738 cycles (16 bytes)
test 1 (128 bit key, 64 byte blocks): 1 operation in 1475 cycles (64 bytes)
test 2 (128 bit key, 256 byte blocks): 1 operation in 4421 cycles (256 bytes)
test 3 (128 bit key, 1024 byte blocks): 1 operation in 16220 cycles (1024 bytes)
test 4 (128 bit key, 8192 byte blocks): 1 operation in 127525 cycles (8192 bytes)
test 5 (192 bit key, 16 byte blocks): 1 operation in 771 cycles (16 bytes)
test 6 (192 bit key, 64 byte blocks): 1 operation in 1626 cycles (64 bytes)
test 7 (192 bit key, 256 byte blocks): 1 operation in 5045 cycles (256 bytes)
test 8 (192 bit key, 1024 byte blocks): 1 operation in 18753 cycles (1024 bytes)
test 9 (192 bit key, 8192 byte blocks): 1 operation in 149204 cycles (8192 bytes)
test 10 (256 bit key, 16 byte blocks): 1 operation in 809 cycles (16 bytes)
test 11 (256 bit key, 64 byte blocks): 1 operation in 1785 cycles (64 bytes)
test 12 (256 bit key, 256 byte blocks): 1 operation in 5691 cycles (256 bytes)
test 13 (256 bit key, 1024 byte blocks): 1 operation in 21275 cycles (1024 bytes)
test 14 (256 bit key, 8192 byte blocks): 1 operation in 168499 cycles (8192 bytes)

testing speed of lrw(aes) encryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 745 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1547 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4614 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16885 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 132411 cycles (8192 bytes)
test 5 (320 bit key, 16 byte blocks): 1 operation in 778 cycles (16 bytes)
test 6 (320 bit key, 64 byte blocks): 1 operation in 1689 cycles (64 bytes)
test 7 (320 bit key, 256 byte blocks): 1 operation in 5260 cycles (256 bytes)
test 8 (320 bit key, 1024 byte blocks): 1 operation in 19462 cycles (1024 bytes)
test 9 (320 bit key, 8192 byte blocks): 1 operation in 154419 cycles (8192 bytes)
test 10 (384 bit key, 16 byte blocks): 1 operation in 816 cycles (16 bytes)
test 11 (384 bit key, 64 byte blocks): 1 operation in 1856 cycles (64 bytes)
test 12 (384 bit key, 256 byte blocks): 1 operation in 5916 cycles (256 bytes)
test 13 (384 bit key, 1024 byte blocks): 1 operation in 22159 cycles (1024 bytes)
test 14 (384 bit key, 8192 byte blocks): 1 operation in 174627 cycles (8192 bytes)

testing speed of lrw(aes) decryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 740 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1502 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4516 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16549 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 129912 cycles (8192 bytes)
test 5 (320 bit key, 16 byte blocks): 1 operation in 774 cycles (16 bytes)
test 6 (320 bit key, 64 byte blocks): 1 operation in 1659 cycles (64 bytes)
test 7 (320 bit key, 256 byte blocks): 1 operation in 5175 cycles (256 bytes)
test 8 (320 bit key, 1024 byte blocks): 1 operation in 19139 cycles (1024 bytes)
test 9 (320 bit key, 8192 byte blocks): 1 operation in 151969 cycles (8192 bytes)
test 10 (384 bit key, 16 byte blocks): 1 operation in 809 cycles (16 bytes)
test 11 (384 bit key, 64 byte blocks): 1 operation in 1821 cycles (64 bytes)
test 12 (384 bit key, 256 byte blocks): 1 operation in 5817 cycles (256 bytes)
test 13 (384 bit key, 1024 byte blocks): 1 operation in 21775 cycles (1024 bytes)
test 14 (384 bit key, 8192 byte blocks): 1 operation in 171423 cycles (8192 bytes)

testing speed of xts(aes) encryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 788 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1537 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4526 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16521 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 128545 cycles (8192 bytes)
test 5 (384 bit key, 16 byte blocks): 1 operation in 866 cycles (16 bytes)
test 6 (384 bit key, 64 byte blocks): 1 operation in 1740 cycles (64 bytes)
test 7 (384 bit key, 256 byte blocks): 1 operation in 5183 cycles (256 bytes)
test 8 (384 bit key, 1024 byte blocks): 1 operation in 19048 cycles (1024 bytes)
test 9 (384 bit key, 8192 byte blocks): 1 operation in 149163 cycles (8192 bytes)
test 10 (512 bit key, 16 byte blocks): 1 operation in 945 cycles (16 bytes)
test 11 (512 bit key, 64 byte blocks): 1 operation in 1931 cycles (64 bytes)
test 12 (512 bit key, 256 byte blocks): 1 operation in 5903 cycles (256 bytes)
test 13 (512 bit key, 1024 byte blocks): 1 operation in 21744 cycles (1024 bytes)
test 14 (512 bit key, 8192 byte blocks): 1 operation in 170528 cycles (8192 bytes)

testing speed of xts(aes) decryption
test 0 (256 bit key, 16 byte blocks): 1 operation in 783 cycles (16 bytes)
test 1 (256 bit key, 64 byte blocks): 1 operation in 1507 cycles (64 bytes)
test 2 (256 bit key, 256 byte blocks): 1 operation in 4436 cycles (256 bytes)
test 3 (256 bit key, 1024 byte blocks): 1 operation in 16192 cycles (1024 bytes)
test 4 (256 bit key, 8192 byte blocks): 1 operation in 125962 cycles (8192 bytes)
test 5 (384 bit key, 16 byte blocks): 1 operation in 853 cycles (16 bytes)
test 6 (384 bit key, 64 byte blocks): 1 operation in 1701 cycles (64 bytes)
test 7 (384 bit key, 256 byte blocks): 1 operation in 5120 cycles (256 bytes)
test 8 (384 bit key, 1024 byte blocks): 1 operation in 18779 cycles (1024 bytes)
test 9 (384 bit key, 8192 byte blocks): 1 operation in 146792 cycles (8192 bytes)
test 10 (512 bit key, 16 byte blocks): 1 operation in 937 cycles (16 bytes)
test 11 (512 bit key, 64 byte blocks): 1 operation in 1906 cycles (64 bytes)
test 12 (512 bit key, 256 byte blocks): 1 operation in 5804 cycles (256 bytes)
test 13 (512 bit key, 1024 byte blocks): 1 operation in 21413 cycles (1024 bytes)
test 14 (512 bit key, 8192 byte blocks): 1 operation in 167733 cycles (8192 bytes)