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Diffstat (limited to 'deps/openssl/openssl/crypto/sha/asm/keccak1600-avx2.pl')
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1 files changed, 482 insertions, 0 deletions
diff --git a/deps/openssl/openssl/crypto/sha/asm/keccak1600-avx2.pl b/deps/openssl/openssl/crypto/sha/asm/keccak1600-avx2.pl new file mode 100755 index 0000000000..d9fc1c59ec --- /dev/null +++ b/deps/openssl/openssl/crypto/sha/asm/keccak1600-avx2.pl @@ -0,0 +1,482 @@ +#!/usr/bin/env perl +# Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. +# +# Licensed under the OpenSSL license (the "License"). You may not use +# this file except in compliance with the License. You can obtain a copy +# in the file LICENSE in the source distribution or at +# https://www.openssl.org/source/license.html +# +# ==================================================================== +# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL +# project. The module is, however, dual licensed under OpenSSL and +# CRYPTOGAMS licenses depending on where you obtain it. For further +# details see http://www.openssl.org/~appro/cryptogams/. +# ==================================================================== +# +# Keccak-1600 for AVX2. +# +# July 2017. +# +# To paraphrase Gilles Van Assche, if you contemplate Fig. 2.3 on page +# 20 of The Keccak reference [or Fig. 5 of FIPS PUB 202], and load data +# other than A[0][0] in magic order into 6 [256-bit] registers, *each +# dedicated to one axis*, Pi permutation is reduced to intra-register +# shuffles... +# +# It makes other steps more intricate, but overall, is it a win? To be +# more specific index permutations organized by quadruples are: +# +# [4][4] [3][3] [2][2] [1][1]<-+ +# [0][4] [0][3] [0][2] [0][1]<-+ +# [3][0] [1][0] [4][0] [2][0] | +# [4][3] [3][1] [2][4] [1][2] | +# [3][4] [1][3] [4][2] [2][1] | +# [2][3] [4][1] [1][4] [3][2] | +# [2][2] [4][4] [1][1] [3][3] -+ +# +# This however is highly impractical for Theta and Chi. What would help +# Theta is if x indices were aligned column-wise, or in other words: +# +# [0][4] [0][3] [0][2] [0][1] +# [3][0] [1][0] [4][0] [2][0] +#vpermq([4][3] [3][1] [2][4] [1][2], 0b01110010) +# [2][4] [4][3] [1][2] [3][1] +#vpermq([4][2] [3][4] [2][1] [1][3], 0b10001101) +# [3][4] [1][3] [4][2] [2][1] +#vpermq([2][3] [4][1] [1][4] [3][2], 0b01110010) +# [1][4] [2][3] [3][2] [4][1] +#vpermq([1][1] [2][2] [3][3] [4][4], 0b00011011) +# [4][4] [3][3] [2][2] [1][1] +# +# So here we have it, lines not marked with vpermq() represent the magic +# order in which data is to be loaded and maintained. [And lines marked +# with vpermq() represent Pi circular permutation in chosen layout. Note +# that first step is permutation-free.] A[0][0] is loaded to register of +# its own, to all lanes. [A[0][0] is not part of Pi permutation or Rho.] +# Digits in variables' names denote right-most coordinates: + +my ($A00, # [0][0] [0][0] [0][0] [0][0] # %ymm0 + $A01, # [0][4] [0][3] [0][2] [0][1] # %ymm1 + $A20, # [3][0] [1][0] [4][0] [2][0] # %ymm2 + $A31, # [2][4] [4][3] [1][2] [3][1] # %ymm3 + $A21, # [3][4] [1][3] [4][2] [2][1] # %ymm4 + $A41, # [1][4] [2][3] [3][2] [4][1] # %ymm5 + $A11) = # [4][4] [3][3] [2][2] [1][1] # %ymm6 + map("%ymm$_",(0..6)); + +# We also need to map the magic order into offsets within structure: + +my @A_jagged = ([0,0], [1,0], [1,1], [1,2], [1,3], # [0][0..4] + [2,2], [6,0], [3,1], [4,2], [5,3], # [1][0..4] + [2,0], [4,0], [6,1], [5,2], [3,3], # [2][0..4] + [2,3], [3,0], [5,1], [6,2], [4,3], # [3][0..4] + [2,1], [5,0], [4,1], [3,2], [6,3]); # [4][0..4] + @A_jagged = map(8*($$_[0]*4+$$_[1]), @A_jagged); # ... and now linear + +# But on the other hand Chi is much better off if y indices were aligned +# column-wise, not x. For this reason we have to shuffle data prior +# Chi and revert it afterwards. Prior shuffle is naturally merged with +# Pi itself: +# +# [0][4] [0][3] [0][2] [0][1] +# [3][0] [1][0] [4][0] [2][0] +#vpermq([4][3] [3][1] [2][4] [1][2], 0b01110010) +#vpermq([2][4] [4][3] [1][2] [3][1], 0b00011011) = 0b10001101 +# [3][1] [1][2] [4][3] [2][4] +#vpermq([4][2] [3][4] [2][1] [1][3], 0b10001101) +#vpermq([3][4] [1][3] [4][2] [2][1], 0b11100100) = 0b10001101 +# [3][4] [1][3] [4][2] [2][1] +#vpermq([2][3] [4][1] [1][4] [3][2], 0b01110010) +#vpermq([1][4] [2][3] [3][2] [4][1], 0b01110010) = 0b00011011 +# [3][2] [1][4] [4][1] [2][3] +#vpermq([1][1] [2][2] [3][3] [4][4], 0b00011011) +#vpermq([4][4] [3][3] [2][2] [1][1], 0b10001101) = 0b01110010 +# [3][3] [1][1] [4][4] [2][2] +# +# And reverse post-Chi permutation: +# +# [0][4] [0][3] [0][2] [0][1] +# [3][0] [1][0] [4][0] [2][0] +#vpermq([3][1] [1][2] [4][3] [2][4], 0b00011011) +# [2][4] [4][3] [1][2] [3][1] +#vpermq([3][4] [1][3] [4][2] [2][1], 0b11100100) = nop :-) +# [3][4] [1][3] [4][2] [2][1] +#vpermq([3][2] [1][4] [4][1] [2][3], 0b10001101) +# [1][4] [2][3] [3][2] [4][1] +#vpermq([3][3] [1][1] [4][4] [2][2], 0b01110010) +# [4][4] [3][3] [2][2] [1][1] +# +######################################################################## +# Numbers are cycles per processed byte out of large message. +# +# r=1088(*) +# +# Haswell 8.7/+10% +# Skylake 7.8/+20% +# Ryzen 17(**) +# +# (*) Corresponds to SHA3-256. Percentage after slash is improvement +# coefficient in comparison to scalar keccak1600-x86_64.pl. +# (**) It's expected that Ryzen performs poorly, because instruction +# issue rate is limited to two AVX2 instructions per cycle and +# in addition vpblendd is reportedly bound to specific port. +# Obviously this code path should not be executed on Ryzen. + +my @T = map("%ymm$_",(7..15)); +my ($C14,$C00,$D00,$D14) = @T[5..8]; + +$code.=<<___; +.text + +.type __KeccakF1600,\@function +.align 32 +__KeccakF1600: + lea rhotates_left+96(%rip),%r8 + lea rhotates_right+96(%rip),%r9 + lea iotas(%rip),%r10 + mov \$24,%eax + jmp .Loop_avx2 + +.align 32 +.Loop_avx2: + ######################################### Theta + vpshufd \$0b01001110,$A20,$C00 + vpxor $A31,$A41,$C14 + vpxor $A11,$A21,@T[2] + vpxor $A01,$C14,$C14 + vpxor @T[2],$C14,$C14 # C[1..4] + + vpermq \$0b10010011,$C14,@T[4] + vpxor $A20,$C00,$C00 + vpermq \$0b01001110,$C00,@T[0] + + vpsrlq \$63,$C14,@T[1] + vpaddq $C14,$C14,@T[2] + vpor @T[2],@T[1],@T[1] # ROL64(C[1..4],1) + + vpermq \$0b00111001,@T[1],$D14 + vpxor @T[4],@T[1],$D00 + vpermq \$0b00000000,$D00,$D00 # D[0..0] = ROL64(C[1],1) ^ C[4] + + vpxor $A00,$C00,$C00 + vpxor @T[0],$C00,$C00 # C[0..0] + + vpsrlq \$63,$C00,@T[0] + vpaddq $C00,$C00,@T[1] + vpor @T[0],@T[1],@T[1] # ROL64(C[0..0],1) + + vpxor $D00,$A20,$A20 # ^= D[0..0] + vpxor $D00,$A00,$A00 # ^= D[0..0] + + vpblendd \$0b11000000,@T[1],$D14,$D14 + vpblendd \$0b00000011,$C00,@T[4],@T[4] + vpxor @T[4],$D14,$D14 # D[1..4] = ROL64(C[2..4,0),1) ^ C[0..3] + + ######################################### Rho + Pi + pre-Chi shuffle + vpsllvq 0*32-96(%r8),$A20,@T[3] + vpsrlvq 0*32-96(%r9),$A20,$A20 + vpor @T[3],$A20,$A20 + + vpxor $D14,$A31,$A31 # ^= D[1..4] from Theta + vpsllvq 2*32-96(%r8),$A31,@T[4] + vpsrlvq 2*32-96(%r9),$A31,$A31 + vpor @T[4],$A31,$A31 + + vpxor $D14,$A21,$A21 # ^= D[1..4] from Theta + vpsllvq 3*32-96(%r8),$A21,@T[5] + vpsrlvq 3*32-96(%r9),$A21,$A21 + vpor @T[5],$A21,$A21 + + vpxor $D14,$A41,$A41 # ^= D[1..4] from Theta + vpsllvq 4*32-96(%r8),$A41,@T[6] + vpsrlvq 4*32-96(%r9),$A41,$A41 + vpor @T[6],$A41,$A41 + + vpxor $D14,$A11,$A11 # ^= D[1..4] from Theta + vpermq \$0b10001101,$A20,@T[3] # $A20 -> future $A31 + vpermq \$0b10001101,$A31,@T[4] # $A31 -> future $A21 + vpsllvq 5*32-96(%r8),$A11,@T[7] + vpsrlvq 5*32-96(%r9),$A11,@T[1] + vpor @T[7],@T[1],@T[1] # $A11 -> future $A01 + + vpxor $D14,$A01,$A01 # ^= D[1..4] from Theta + vpermq \$0b00011011,$A21,@T[5] # $A21 -> future $A41 + vpermq \$0b01110010,$A41,@T[6] # $A41 -> future $A11 + vpsllvq 1*32-96(%r8),$A01,@T[8] + vpsrlvq 1*32-96(%r9),$A01,@T[2] + vpor @T[8],@T[2],@T[2] # $A01 -> future $A20 + + ######################################### Chi + vpsrldq \$8,@T[1],@T[7] + vpandn @T[7],@T[1],@T[0] # tgting [0][0] [0][0] [0][0] [0][0] + + vpblendd \$0b00001100,@T[6],@T[2],$A31 # [4][4] [2][0] + vpblendd \$0b00001100,@T[2],@T[4],@T[8] # [4][0] [2][1] + vpblendd \$0b00001100,@T[4],@T[3],$A41 # [4][2] [2][4] + vpblendd \$0b00001100,@T[3],@T[2],@T[7] # [4][3] [2][0] + vpblendd \$0b00110000,@T[4],$A31,$A31 # [1][3] [4][4] [2][0] + vpblendd \$0b00110000,@T[5],@T[8],@T[8] # [1][4] [4][0] [2][1] + vpblendd \$0b00110000,@T[2],$A41,$A41 # [1][0] [4][2] [2][4] + vpblendd \$0b00110000,@T[6],@T[7],@T[7] # [1][1] [4][3] [2][0] + vpblendd \$0b11000000,@T[5],$A31,$A31 # [3][2] [1][3] [4][4] [2][0] + vpblendd \$0b11000000,@T[6],@T[8],@T[8] # [3][3] [1][4] [4][0] [2][1] + vpblendd \$0b11000000,@T[6],$A41,$A41 # [3][3] [1][0] [4][2] [2][4] + vpblendd \$0b11000000,@T[4],@T[7],@T[7] # [3][4] [1][1] [4][3] [2][0] + vpandn @T[8],$A31,$A31 # tgting [3][1] [1][2] [4][3] [2][4] + vpandn @T[7],$A41,$A41 # tgting [3][2] [1][4] [4][1] [2][3] + + vpblendd \$0b00001100,@T[2],@T[5],$A11 # [4][0] [2][3] + vpblendd \$0b00001100,@T[5],@T[3],@T[8] # [4][1] [2][4] + vpxor @T[3],$A31,$A31 + vpblendd \$0b00110000,@T[3],$A11,$A11 # [1][2] [4][0] [2][3] + vpblendd \$0b00110000,@T[4],@T[8],@T[8] # [1][3] [4][1] [2][4] + vpxor @T[5],$A41,$A41 + vpblendd \$0b11000000,@T[4],$A11,$A11 # [3][4] [1][2] [4][0] [2][3] + vpblendd \$0b11000000,@T[2],@T[8],@T[8] # [3][0] [1][3] [4][1] [2][4] + vpandn @T[8],$A11,$A11 # tgting [3][3] [1][1] [4][4] [2][2] + vpxor @T[6],$A11,$A11 + + vpermq \$0b00011110,@T[1],$A21 # [0][1] [0][2] [0][4] [0][3] + vpblendd \$0b00110000,$A00,$A21,@T[8] # [0][1] [0][0] [0][4] [0][3] + vpermq \$0b00111001,@T[1],$A01 # [0][1] [0][4] [0][3] [0][2] + vpblendd \$0b11000000,$A00,$A01,$A01 # [0][0] [0][4] [0][3] [0][2] + vpandn @T[8],$A01,$A01 # tgting [0][4] [0][3] [0][2] [0][1] + + vpblendd \$0b00001100,@T[5],@T[4],$A20 # [4][1] [2][1] + vpblendd \$0b00001100,@T[4],@T[6],@T[7] # [4][2] [2][2] + vpblendd \$0b00110000,@T[6],$A20,$A20 # [1][1] [4][1] [2][1] + vpblendd \$0b00110000,@T[3],@T[7],@T[7] # [1][2] [4][2] [2][2] + vpblendd \$0b11000000,@T[3],$A20,$A20 # [3][1] [1][1] [4][1] [2][1] + vpblendd \$0b11000000,@T[5],@T[7],@T[7] # [3][2] [1][2] [4][2] [2][2] + vpandn @T[7],$A20,$A20 # tgting [3][0] [1][0] [4][0] [2][0] + vpxor @T[2],$A20,$A20 + + vpermq \$0b00000000,@T[0],@T[0] # [0][0] [0][0] [0][0] [0][0] + vpermq \$0b00011011,$A31,$A31 # post-Chi shuffle + vpermq \$0b10001101,$A41,$A41 + vpermq \$0b01110010,$A11,$A11 + + vpblendd \$0b00001100,@T[3],@T[6],$A21 # [4][3] [2][2] + vpblendd \$0b00001100,@T[6],@T[5],@T[7] # [4][4] [2][3] + vpblendd \$0b00110000,@T[5],$A21,$A21 # [1][4] [4][3] [2][2] + vpblendd \$0b00110000,@T[2],@T[7],@T[7] # [1][0] [4][4] [2][3] + vpblendd \$0b11000000,@T[2],$A21,$A21 # [3][0] [1][4] [4][3] [2][2] + vpblendd \$0b11000000,@T[3],@T[7],@T[7] # [3][1] [1][0] [4][4] [2][3] + vpandn @T[7],$A21,$A21 # tgting [3][4] [1][3] [4][2] [2][1] + + vpxor @T[0],$A00,$A00 + vpxor @T[1],$A01,$A01 + vpxor @T[4],$A21,$A21 + + ######################################### Iota + vpxor (%r10),$A00,$A00 + lea 32(%r10),%r10 + + dec %eax + jnz .Loop_avx2 + + ret +.size __KeccakF1600,.-__KeccakF1600 +___ +my ($A_flat,$inp,$len,$bsz) = ("%rdi","%rsi","%rdx","%rcx"); +my $out = $inp; # in squeeze + +$code.=<<___; +.globl SHA3_absorb +.type SHA3_absorb,\@function +.align 32 +SHA3_absorb: + mov %rsp,%r11 + + lea -240(%rsp),%rsp + and \$-32,%rsp + + lea 96($A_flat),$A_flat + lea 96($inp),$inp + lea 96(%rsp),%r10 + + vzeroupper + + vpbroadcastq -96($A_flat),$A00 # load A[5][5] + vmovdqu 8+32*0-96($A_flat),$A01 + vmovdqu 8+32*1-96($A_flat),$A20 + vmovdqu 8+32*2-96($A_flat),$A31 + vmovdqu 8+32*3-96($A_flat),$A21 + vmovdqu 8+32*4-96($A_flat),$A41 + vmovdqu 8+32*5-96($A_flat),$A11 + + vpxor @T[0],@T[0],@T[0] + vmovdqa @T[0],32*2-96(%r10) # zero transfer area on stack + vmovdqa @T[0],32*3-96(%r10) + vmovdqa @T[0],32*4-96(%r10) + vmovdqa @T[0],32*5-96(%r10) + vmovdqa @T[0],32*6-96(%r10) + +.Loop_absorb_avx2: + mov $bsz,%rax + sub $bsz,$len + jc .Ldone_absorb_avx2 + + shr \$3,%eax + vpbroadcastq 0-96($inp),@T[0] + vmovdqu 8-96($inp),@T[1] + sub \$4,%eax +___ +for(my $i=5; $i<25; $i++) { +$code.=<<___ + dec %eax + jz .Labsorved_avx2 + mov 8*$i-96($inp),%r8 + mov %r8,$A_jagged[$i]-96(%r10) +___ +} +$code.=<<___; +.Labsorved_avx2: + lea ($inp,$bsz),$inp + + vpxor @T[0],$A00,$A00 + vpxor @T[1],$A01,$A01 + vpxor 32*2-96(%r10),$A20,$A20 + vpxor 32*3-96(%r10),$A31,$A31 + vpxor 32*4-96(%r10),$A21,$A21 + vpxor 32*5-96(%r10),$A41,$A41 + vpxor 32*6-96(%r10),$A11,$A11 + + call __KeccakF1600 + + lea 96(%rsp),%r10 + jmp .Loop_absorb_avx2 + +.Ldone_absorb_avx2: + vmovq %xmm0,-96($A_flat) + vmovdqu $A01,8+32*0-96($A_flat) + vmovdqu $A20,8+32*1-96($A_flat) + vmovdqu $A31,8+32*2-96($A_flat) + vmovdqu $A21,8+32*3-96($A_flat) + vmovdqu $A41,8+32*4-96($A_flat) + vmovdqu $A11,8+32*5-96($A_flat) + + vzeroupper + + lea (%r11),%rsp + lea ($len,$bsz),%rax # return value + ret +.size SHA3_absorb,.-SHA3_absorb + +.globl SHA3_squeeze +.type SHA3_squeeze,\@function +.align 32 +SHA3_squeeze: + mov %rsp,%r11 + + lea 96($A_flat),$A_flat + shr \$3,$bsz + + vzeroupper + + vpbroadcastq -96($A_flat),$A00 + vpxor @T[0],@T[0],@T[0] + vmovdqu 8+32*0-96($A_flat),$A01 + vmovdqu 8+32*1-96($A_flat),$A20 + vmovdqu 8+32*2-96($A_flat),$A31 + vmovdqu 8+32*3-96($A_flat),$A21 + vmovdqu 8+32*4-96($A_flat),$A41 + vmovdqu 8+32*5-96($A_flat),$A11 + + mov $bsz,%rax + +.Loop_squeeze_avx2: + mov @A_jagged[$i]-96($A_flat),%r8 +___ +for (my $i=0; $i<25; $i++) { +$code.=<<___; + sub \$8,$len + jc .Ltail_squeeze_avx2 + mov %r8,($out) + lea 8($out),$out + je .Ldone_squeeze_avx2 + dec %eax + je .Lextend_output_avx2 + mov @A_jagged[$i+1]-120($A_flat),%r8 +___ +} +$code.=<<___; +.Lextend_output_avx2: + call __KeccakF1600 + + vmovq %xmm0,-96($A_flat) + vmovdqu $A01,8+32*0-96($A_flat) + vmovdqu $A20,8+32*1-96($A_flat) + vmovdqu $A31,8+32*2-96($A_flat) + vmovdqu $A21,8+32*3-96($A_flat) + vmovdqu $A41,8+32*4-96($A_flat) + vmovdqu $A11,8+32*5-96($A_flat) + + mov $bsz,%rax + jmp .Loop_squeeze_avx2 + + +.Ltail_squeeze_avx2: + add \$8,$len +.Loop_tail_avx2: + mov %r8b,($out) + lea 1($out),$out + shr \$8,%r8 + dec $len + jnz .Loop_tail_avx2 + +.Ldone_squeeze_avx2: + vzeroupper + + lea (%r11),%rsp + ret +.size SHA3_squeeze,.-SHA3_squeeze + +.align 64 +rhotates_left: + .quad 3, 18, 36, 41 # [2][0] [4][0] [1][0] [3][0] + .quad 1, 62, 28, 27 # [0][1] [0][2] [0][3] [0][4] + .quad 45, 6, 56, 39 # [3][1] [1][2] [4][3] [2][4] + .quad 10, 61, 55, 8 # [2][1] [4][2] [1][3] [3][4] + .quad 2, 15, 25, 20 # [4][1] [3][2] [2][3] [1][4] + .quad 44, 43, 21, 14 # [1][1] [2][2] [3][3] [4][4] +rhotates_right: + .quad 64-3, 64-18, 64-36, 64-41 + .quad 64-1, 64-62, 64-28, 64-27 + .quad 64-45, 64-6, 64-56, 64-39 + .quad 64-10, 64-61, 64-55, 64-8 + .quad 64-2, 64-15, 64-25, 64-20 + .quad 64-44, 64-43, 64-21, 64-14 +iotas: + .quad 0x0000000000000001, 0x0000000000000001, 0x0000000000000001, 0x0000000000000001 + .quad 0x0000000000008082, 0x0000000000008082, 0x0000000000008082, 0x0000000000008082 + .quad 0x800000000000808a, 0x800000000000808a, 0x800000000000808a, 0x800000000000808a + .quad 0x8000000080008000, 0x8000000080008000, 0x8000000080008000, 0x8000000080008000 + .quad 0x000000000000808b, 0x000000000000808b, 0x000000000000808b, 0x000000000000808b + .quad 0x0000000080000001, 0x0000000080000001, 0x0000000080000001, 0x0000000080000001 + .quad 0x8000000080008081, 0x8000000080008081, 0x8000000080008081, 0x8000000080008081 + .quad 0x8000000000008009, 0x8000000000008009, 0x8000000000008009, 0x8000000000008009 + .quad 0x000000000000008a, 0x000000000000008a, 0x000000000000008a, 0x000000000000008a + .quad 0x0000000000000088, 0x0000000000000088, 0x0000000000000088, 0x0000000000000088 + .quad 0x0000000080008009, 0x0000000080008009, 0x0000000080008009, 0x0000000080008009 + .quad 0x000000008000000a, 0x000000008000000a, 0x000000008000000a, 0x000000008000000a + .quad 0x000000008000808b, 0x000000008000808b, 0x000000008000808b, 0x000000008000808b + .quad 0x800000000000008b, 0x800000000000008b, 0x800000000000008b, 0x800000000000008b + .quad 0x8000000000008089, 0x8000000000008089, 0x8000000000008089, 0x8000000000008089 + .quad 0x8000000000008003, 0x8000000000008003, 0x8000000000008003, 0x8000000000008003 + .quad 0x8000000000008002, 0x8000000000008002, 0x8000000000008002, 0x8000000000008002 + .quad 0x8000000000000080, 0x8000000000000080, 0x8000000000000080, 0x8000000000000080 + .quad 0x000000000000800a, 0x000000000000800a, 0x000000000000800a, 0x000000000000800a + .quad 0x800000008000000a, 0x800000008000000a, 0x800000008000000a, 0x800000008000000a + .quad 0x8000000080008081, 0x8000000080008081, 0x8000000080008081, 0x8000000080008081 + .quad 0x8000000000008080, 0x8000000000008080, 0x8000000000008080, 0x8000000000008080 + .quad 0x0000000080000001, 0x0000000080000001, 0x0000000080000001, 0x0000000080000001 + .quad 0x8000000080008008, 0x8000000080008008, 0x8000000080008008, 0x8000000080008008 + +.asciz "Keccak-1600 absorb and squeeze for AVX2, CRYPTOGAMS by <appro\@openssl.org>" +___ + +$output=pop; +open STDOUT,">$output"; +print $code; +close STDOUT; |