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|
;;
;; Copyright (c) 2012-2018, Intel Corporation
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are met:
;;
;; * Redistributions of source code must retain the above copyright notice,
;; this list of conditions and the following disclaimer.
;; * Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; * Neither the name of Intel Corporation nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
;; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
;; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
;; CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
;; OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;
; This code schedules 1 blocks at a time, with 4 lanes per block
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
%include "include/os.asm"
section .data
default rel
align 64
K256:
dd 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
dd 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
dd 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
dd 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
dd 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
dd 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
dd 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
dd 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
dd 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
dd 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
dd 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
dd 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
dd 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
dd 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
dd 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
dd 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
PSHUFFLE_BYTE_FLIP_MASK: ;ddq 0x0c0d0e0f08090a0b0405060700010203
dq 0x0405060700010203, 0x0c0d0e0f08090a0b
; shuffle xBxA -> 00BA
_SHUF_00BA: ;ddq 0xFFFFFFFFFFFFFFFF0b0a090803020100
dq 0x0b0a090803020100, 0xFFFFFFFFFFFFFFFF
; shuffle xDxC -> DC00
_SHUF_DC00: ;ddq 0x0b0a090803020100FFFFFFFFFFFFFFFF
dq 0xFFFFFFFFFFFFFFFF, 0x0b0a090803020100
section .text
%define MOVDQ movdqu ;; assume buffers not aligned
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Define Macros
; COPY_XMM_AND_BSWAP xmm, [mem], byte_flip_mask
; Load xmm with mem and byte swap each dword
%macro COPY_XMM_AND_BSWAP 3
MOVDQ %1, %2
pshufb %1, %3
%endmacro
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
%define X0 xmm4
%define X1 xmm5
%define X2 xmm6
%define X3 xmm7
%define XTMP0 xmm0
%define XTMP1 xmm1
%define XTMP2 xmm2
%define XTMP3 xmm3
%define XTMP4 xmm8
%define XFER xmm9
%define SHUF_00BA xmm10 ; shuffle xBxA -> 00BA
%define SHUF_DC00 xmm11 ; shuffle xDxC -> DC00
%define BYTE_FLIP_MASK xmm12
%ifdef LINUX
%define CTX rsi ; 2nd arg
%define INP rdi ; 1st arg
%define SRND rdi ; clobbers INP
%define c ecx
%define d r8d
%define e edx
%else
%define CTX rdx ; 2nd arg
%define INP rcx ; 1st arg
%define SRND rcx ; clobbers INP
%define c edi
%define d esi
%define e r8d
%endif
%define TBL rbp
%define a eax
%define b ebx
%define f r9d
%define g r10d
%define h r11d
%define y0 r13d
%define y1 r14d
%define y2 r15d
struc STACK
%ifndef LINUX
_XMM_SAVE: reso 7
%endif
_XFER: reso 1
endstruc
%ifndef FUNC
%define FUNC sha256_block_sse
%endif
; rotate_Xs
; Rotate values of symbols X0...X3
%macro rotate_Xs 0
%xdefine X_ X0
%xdefine X0 X1
%xdefine X1 X2
%xdefine X2 X3
%xdefine X3 X_
%endm
; ROTATE_ARGS
; Rotate values of symbols a...h
%macro ROTATE_ARGS 0
%xdefine TMP_ h
%xdefine h g
%xdefine g f
%xdefine f e
%xdefine e d
%xdefine d c
%xdefine c b
%xdefine b a
%xdefine a TMP_
%endm
%macro FOUR_ROUNDS_AND_SCHED 0
;; compute s0 four at a time and s1 two at a time
;; compute W[-16] + W[-7] 4 at a time
movdqa XTMP0, X3
mov y0, e ; y0 = e
ror y0, (25-11) ; y0 = e >> (25-11)
mov y1, a ; y1 = a
palignr XTMP0, X2, 4 ; XTMP0 = W[-7]
ror y1, (22-13) ; y1 = a >> (22-13)
xor y0, e ; y0 = e ^ (e >> (25-11))
mov y2, f ; y2 = f
ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
movdqa XTMP1, X1
xor y1, a ; y1 = a ^ (a >> (22-13)
xor y2, g ; y2 = f^g
paddd XTMP0, X0 ; XTMP0 = W[-7] + W[-16]
xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
and y2, e ; y2 = (f^g)&e
ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
;; compute s0
palignr XTMP1, X0, 4 ; XTMP1 = W[-15]
xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
xor y2, g ; y2 = CH = ((f^g)&e)^g
movdqa XTMP2, XTMP1 ; XTMP2 = W[-15]
ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
add y2, y0 ; y2 = S1 + CH
add y2, [rsp + _XFER + 0*4] ; y2 = k + w + S1 + CH
movdqa XTMP3, XTMP1 ; XTMP3 = W[-15]
mov y0, a ; y0 = a
add h, y2 ; h = h + S1 + CH + k + w
mov y2, a ; y2 = a
pslld XTMP1, (32-7)
or y0, c ; y0 = a|c
add d, h ; d = d + h + S1 + CH + k + w
and y2, c ; y2 = a&c
psrld XTMP2, 7
and y0, b ; y0 = (a|c)&b
add h, y1 ; h = h + S1 + CH + k + w + S0
por XTMP1, XTMP2 ; XTMP1 = W[-15] ror 7
or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
ROTATE_ARGS
movdqa XTMP2, XTMP3 ; XTMP2 = W[-15]
mov y0, e ; y0 = e
mov y1, a ; y1 = a
movdqa XTMP4, XTMP3 ; XTMP4 = W[-15]
ror y0, (25-11) ; y0 = e >> (25-11)
xor y0, e ; y0 = e ^ (e >> (25-11))
mov y2, f ; y2 = f
ror y1, (22-13) ; y1 = a >> (22-13)
pslld XTMP3, (32-18)
xor y1, a ; y1 = a ^ (a >> (22-13)
ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
xor y2, g ; y2 = f^g
psrld XTMP2, 18
ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
and y2, e ; y2 = (f^g)&e
ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
pxor XTMP1, XTMP3
xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
xor y2, g ; y2 = CH = ((f^g)&e)^g
psrld XTMP4, 3 ; XTMP4 = W[-15] >> 3
add y2, y0 ; y2 = S1 + CH
add y2, [rsp + _XFER + 1*4] ; y2 = k + w + S1 + CH
ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
pxor XTMP1, XTMP2 ; XTMP1 = W[-15] ror 7 ^ W[-15] ror 18
mov y0, a ; y0 = a
add h, y2 ; h = h + S1 + CH + k + w
mov y2, a ; y2 = a
pxor XTMP1, XTMP4 ; XTMP1 = s0
or y0, c ; y0 = a|c
add d, h ; d = d + h + S1 + CH + k + w
and y2, c ; y2 = a&c
;; compute low s1
pshufd XTMP2, X3, 11111010b ; XTMP2 = W[-2] {BBAA}
and y0, b ; y0 = (a|c)&b
add h, y1 ; h = h + S1 + CH + k + w + S0
paddd XTMP0, XTMP1 ; XTMP0 = W[-16] + W[-7] + s0
or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
ROTATE_ARGS
movdqa XTMP3, XTMP2 ; XTMP3 = W[-2] {BBAA}
mov y0, e ; y0 = e
mov y1, a ; y1 = a
ror y0, (25-11) ; y0 = e >> (25-11)
movdqa XTMP4, XTMP2 ; XTMP4 = W[-2] {BBAA}
xor y0, e ; y0 = e ^ (e >> (25-11))
ror y1, (22-13) ; y1 = a >> (22-13)
mov y2, f ; y2 = f
xor y1, a ; y1 = a ^ (a >> (22-13)
ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
psrlq XTMP2, 17 ; XTMP2 = W[-2] ror 17 {xBxA}
xor y2, g ; y2 = f^g
psrlq XTMP3, 19 ; XTMP3 = W[-2] ror 19 {xBxA}
xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
and y2, e ; y2 = (f^g)&e
psrld XTMP4, 10 ; XTMP4 = W[-2] >> 10 {BBAA}
ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
xor y2, g ; y2 = CH = ((f^g)&e)^g
ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
pxor XTMP2, XTMP3
add y2, y0 ; y2 = S1 + CH
ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
add y2, [rsp + _XFER + 2*4] ; y2 = k + w + S1 + CH
pxor XTMP4, XTMP2 ; XTMP4 = s1 {xBxA}
mov y0, a ; y0 = a
add h, y2 ; h = h + S1 + CH + k + w
mov y2, a ; y2 = a
pshufb XTMP4, SHUF_00BA ; XTMP4 = s1 {00BA}
or y0, c ; y0 = a|c
add d, h ; d = d + h + S1 + CH + k + w
and y2, c ; y2 = a&c
paddd XTMP0, XTMP4 ; XTMP0 = {..., ..., W[1], W[0]}
and y0, b ; y0 = (a|c)&b
add h, y1 ; h = h + S1 + CH + k + w + S0
;; compute high s1
pshufd XTMP2, XTMP0, 01010000b ; XTMP2 = W[-2] {DDCC}
or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
ROTATE_ARGS
movdqa XTMP3, XTMP2 ; XTMP3 = W[-2] {DDCC}
mov y0, e ; y0 = e
ror y0, (25-11) ; y0 = e >> (25-11)
mov y1, a ; y1 = a
movdqa X0, XTMP2 ; X0 = W[-2] {DDCC}
ror y1, (22-13) ; y1 = a >> (22-13)
xor y0, e ; y0 = e ^ (e >> (25-11))
mov y2, f ; y2 = f
ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
psrlq XTMP2, 17 ; XTMP2 = W[-2] ror 17 {xDxC}
xor y1, a ; y1 = a ^ (a >> (22-13)
xor y2, g ; y2 = f^g
psrlq XTMP3, 19 ; XTMP3 = W[-2] ror 19 {xDxC}
xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
and y2, e ; y2 = (f^g)&e
ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
psrld X0, 10 ; X0 = W[-2] >> 10 {DDCC}
xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
xor y2, g ; y2 = CH = ((f^g)&e)^g
pxor XTMP2, XTMP3
ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
add y2, y0 ; y2 = S1 + CH
add y2, [rsp + _XFER + 3*4] ; y2 = k + w + S1 + CH
pxor X0, XTMP2 ; X0 = s1 {xDxC}
mov y0, a ; y0 = a
add h, y2 ; h = h + S1 + CH + k + w
mov y2, a ; y2 = a
pshufb X0, SHUF_DC00 ; X0 = s1 {DC00}
or y0, c ; y0 = a|c
add d, h ; d = d + h + S1 + CH + k + w
and y2, c ; y2 = a&c
paddd X0, XTMP0 ; X0 = {W[3], W[2], W[1], W[0]}
and y0, b ; y0 = (a|c)&b
add h, y1 ; h = h + S1 + CH + k + w + S0
or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
ROTATE_ARGS
rotate_Xs
%endm
;; input is [rsp + _XFER + %1 * 4]
%macro DO_ROUND 1
mov y0, e ; y0 = e
ror y0, (25-11) ; y0 = e >> (25-11)
mov y1, a ; y1 = a
xor y0, e ; y0 = e ^ (e >> (25-11))
ror y1, (22-13) ; y1 = a >> (22-13)
mov y2, f ; y2 = f
xor y1, a ; y1 = a ^ (a >> (22-13)
ror y0, (11-6) ; y0 = (e >> (11-6)) ^ (e >> (25-6))
xor y2, g ; y2 = f^g
xor y0, e ; y0 = e ^ (e >> (11-6)) ^ (e >> (25-6))
ror y1, (13-2) ; y1 = (a >> (13-2)) ^ (a >> (22-2))
and y2, e ; y2 = (f^g)&e
xor y1, a ; y1 = a ^ (a >> (13-2)) ^ (a >> (22-2))
ror y0, 6 ; y0 = S1 = (e>>6) & (e>>11) ^ (e>>25)
xor y2, g ; y2 = CH = ((f^g)&e)^g
add y2, y0 ; y2 = S1 + CH
ror y1, 2 ; y1 = S0 = (a>>2) ^ (a>>13) ^ (a>>22)
add y2, [rsp + _XFER + %1 * 4] ; y2 = k + w + S1 + CH
mov y0, a ; y0 = a
add h, y2 ; h = h + S1 + CH + k + w
mov y2, a ; y2 = a
or y0, c ; y0 = a|c
add d, h ; d = d + h + S1 + CH + k + w
and y2, c ; y2 = a&c
and y0, b ; y0 = (a|c)&b
add h, y1 ; h = h + S1 + CH + k + w + S0
or y0, y2 ; y0 = MAJ = (a|c)&b)|(a&c)
add h, y0 ; h = h + S1 + CH + k + w + S0 + MAJ
ROTATE_ARGS
%endm
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; void FUNC(void *input_data, UINT32 digest[8])
;; arg 1 : pointer to input data
;; arg 2 : pointer to digest
section .text
MKGLOBAL(FUNC,function,internal)
align 32
FUNC:
push rbx
%ifndef LINUX
push rsi
push rdi
%endif
push rbp
push r13
push r14
push r15
sub rsp,STACK_size
%ifndef LINUX
movdqa [rsp + _XMM_SAVE + 0*16],xmm6
movdqa [rsp + _XMM_SAVE + 1*16],xmm7
movdqa [rsp + _XMM_SAVE + 2*16],xmm8
movdqa [rsp + _XMM_SAVE + 3*16],xmm9
movdqa [rsp + _XMM_SAVE + 4*16],xmm10
movdqa [rsp + _XMM_SAVE + 5*16],xmm11
movdqa [rsp + _XMM_SAVE + 6*16],xmm12
%endif
;; load initial digest
mov a, [4*0 + CTX]
mov b, [4*1 + CTX]
mov c, [4*2 + CTX]
mov d, [4*3 + CTX]
mov e, [4*4 + CTX]
mov f, [4*5 + CTX]
mov g, [4*6 + CTX]
mov h, [4*7 + CTX]
movdqa BYTE_FLIP_MASK, [rel PSHUFFLE_BYTE_FLIP_MASK]
movdqa SHUF_00BA, [rel _SHUF_00BA]
movdqa SHUF_DC00, [rel _SHUF_DC00]
lea TBL,[rel K256]
;; byte swap first 16 dwords
COPY_XMM_AND_BSWAP X0, [INP + 0*16], BYTE_FLIP_MASK
COPY_XMM_AND_BSWAP X1, [INP + 1*16], BYTE_FLIP_MASK
COPY_XMM_AND_BSWAP X2, [INP + 2*16], BYTE_FLIP_MASK
COPY_XMM_AND_BSWAP X3, [INP + 3*16], BYTE_FLIP_MASK
;; schedule 48 input dwords, by doing 3 rounds of 16 each
mov SRND, 3
align 16
loop1:
movdqa XFER, [TBL + 0*16]
paddd XFER, X0
movdqa [rsp + _XFER], XFER
FOUR_ROUNDS_AND_SCHED
movdqa XFER, [TBL + 1*16]
paddd XFER, X0
movdqa [rsp + _XFER], XFER
FOUR_ROUNDS_AND_SCHED
movdqa XFER, [TBL + 2*16]
paddd XFER, X0
movdqa [rsp + _XFER], XFER
FOUR_ROUNDS_AND_SCHED
movdqa XFER, [TBL + 3*16]
paddd XFER, X0
movdqa [rsp + _XFER], XFER
add TBL, 4*16
FOUR_ROUNDS_AND_SCHED
sub SRND, 1
jne loop1
mov SRND, 2
loop2:
paddd X0, [TBL + 0*16]
movdqa [rsp + _XFER], X0
DO_ROUND 0
DO_ROUND 1
DO_ROUND 2
DO_ROUND 3
paddd X1, [TBL + 1*16]
movdqa [rsp + _XFER], X1
add TBL, 2*16
DO_ROUND 0
DO_ROUND 1
DO_ROUND 2
DO_ROUND 3
movdqa X0, X2
movdqa X1, X3
sub SRND, 1
jne loop2
add [4*0 + CTX], a
add [4*1 + CTX], b
add [4*2 + CTX], c
add [4*3 + CTX], d
add [4*4 + CTX], e
add [4*5 + CTX], f
add [4*6 + CTX], g
add [4*7 + CTX], h
done_hash:
%ifndef LINUX
movdqa xmm6,[rsp + _XMM_SAVE + 0*16]
movdqa xmm7,[rsp + _XMM_SAVE + 1*16]
movdqa xmm8,[rsp + _XMM_SAVE + 2*16]
movdqa xmm9,[rsp + _XMM_SAVE + 3*16]
movdqa xmm10,[rsp + _XMM_SAVE + 4*16]
movdqa xmm11,[rsp + _XMM_SAVE + 5*16]
movdqa xmm12,[rsp + _XMM_SAVE + 6*16]
%ifdef SAFE_DATA
;; Clear potential sensitive data stored in stack
pxor xmm0, xmm0
movdqa [rsp + _XMM_SAVE + 0 * 16], xmm0
movdqa [rsp + _XMM_SAVE + 1 * 16], xmm0
movdqa [rsp + _XMM_SAVE + 2 * 16], xmm0
movdqa [rsp + _XMM_SAVE + 3 * 16], xmm0
movdqa [rsp + _XMM_SAVE + 4 * 16], xmm0
movdqa [rsp + _XMM_SAVE + 5 * 16], xmm0
movdqa [rsp + _XMM_SAVE + 6 * 16], xmm0
%endif
%endif ;; LINUX
add rsp, STACK_size
pop r15
pop r14
pop r13
pop rbp
%ifndef LINUX
pop rdi
pop rsi
%endif
pop rbx
ret
%ifdef LINUX
section .note.GNU-stack noalloc noexec nowrite progbits
%endif
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