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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Copyright(c) 2011-2016 Intel Corporation All rights reserved.
;
; 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.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
%include "sha1_mb_mgr_datastruct.asm"
%include "reg_sizes.asm"
default rel
;; code to compute quad SHA1 using SSE
;; derived from ...\sha1_multiple\sha1_quad4.asm
;; variation of sha1_mult2.asm
; transpose r0, r1, r2, r3, t0, t1
; "transpose" data in {r0..r3} using temps {t0..t3}
; Input looks like: {r0 r1 r2 r3}
; r0 = {a3 a2 a1 a0}
; r1 = {b3 b2 b1 b0}
; r2 = {c3 c2 c1 c0}
; r3 = {d3 d2 d1 d0}
;
; output looks like: {t0 r1 r0 r3}
; t0 = {d0 c0 b0 a0}
; r1 = {d1 c1 b1 a1}
; r0 = {d2 c2 b2 a2}
; r3 = {d3 c3 b3 a3}
;
%macro TRANSPOSE 6
%define %%r0 %1
%define %%r1 %2
%define %%r2 %3
%define %%r3 %4
%define %%t0 %5
%define %%t1 %6
movaps %%t0, %%r0 ; t0 = {a3 a2 a1 a0}
shufps %%t0, %%r1, 0x44 ; t0 = {b1 b0 a1 a0}
shufps %%r0, %%r1, 0xEE ; r0 = {b3 b2 a3 a2}
movaps %%t1, %%r2 ; t1 = {c3 c2 c1 c0}
shufps %%t1, %%r3, 0x44 ; t1 = {d1 d0 c1 c0}
shufps %%r2, %%r3, 0xEE ; r2 = {d3 d2 c3 c2}
movaps %%r1, %%t0 ; r1 = {b1 b0 a1 a0}
shufps %%r1, %%t1, 0xDD ; r1 = {d1 c1 b1 a1}
movaps %%r3, %%r0 ; r3 = {b3 b2 a3 a2}
shufps %%r3, %%r2, 0xDD ; r3 = {d3 c3 b3 a3}
shufps %%r0, %%r2, 0x88 ; r0 = {d2 c2 b2 a2}
shufps %%t0, %%t1, 0x88 ; t0 = {d0 c0 b0 a0}
%endmacro
;;
;; Magic functions defined in FIPS 180-1
;;
; macro MAGIC_F0 F,B,C,D,T ;; F = (D ^ (B & (C ^ D)))
%macro MAGIC_F0 5
%define %%regF %1
%define %%regB %2
%define %%regC %3
%define %%regD %4
%define %%regT %5
movdqa %%regF,%%regC
pxor %%regF,%%regD
pand %%regF,%%regB
pxor %%regF,%%regD
%endmacro
; macro MAGIC_F1 F,B,C,D,T ;; F = (B ^ C ^ D)
%macro MAGIC_F1 5
%define %%regF %1
%define %%regB %2
%define %%regC %3
%define %%regD %4
%define %%regT %5
movdqa %%regF,%%regD
pxor %%regF,%%regC
pxor %%regF,%%regB
%endmacro
; macro MAGIC_F2 F,B,C,D,T ;; F = ((B & C) | (B & D) | (C & D))
%macro MAGIC_F2 5
%define %%regF %1
%define %%regB %2
%define %%regC %3
%define %%regD %4
%define %%regT %5
movdqa %%regF,%%regB
movdqa %%regT,%%regB
por %%regF,%%regC
pand %%regT,%%regC
pand %%regF,%%regD
por %%regF,%%regT
%endmacro
; macro MAGIC_F3 F,B,C,D,T ;; F = (B ^ C ^ D)
%macro MAGIC_F3 5
%define %%regF %1
%define %%regB %2
%define %%regC %3
%define %%regD %4
%define %%regT %5
MAGIC_F1 %%regF,%%regB,%%regC,%%regD,%%regT
%endmacro
; PROLD reg, imm, tmp
%macro PROLD 3
%define %%reg %1
%define %%imm %2
%define %%tmp %3
movdqa %%tmp, %%reg
pslld %%reg, %%imm
psrld %%tmp, (32-%%imm)
por %%reg, %%tmp
%endmacro
%macro SHA1_STEP_00_15 10
%define %%regA %1
%define %%regB %2
%define %%regC %3
%define %%regD %4
%define %%regE %5
%define %%regT %6
%define %%regF %7
%define %%memW %8
%define %%immCNT %9
%define %%MAGIC %10
paddd %%regE,%%immCNT
paddd %%regE,[rsp + (%%memW * 16)]
movdqa %%regT,%%regA
PROLD %%regT,5, %%regF
paddd %%regE,%%regT
%%MAGIC %%regF,%%regB,%%regC,%%regD,%%regT ;; FUN = MAGIC_Fi(B,C,D)
PROLD %%regB,30, %%regT
paddd %%regE,%%regF
%endmacro
%macro SHA1_STEP_16_79 10
%define %%regA %1
%define %%regB %2
%define %%regC %3
%define %%regD %4
%define %%regE %5
%define %%regT %6
%define %%regF %7
%define %%memW %8
%define %%immCNT %9
%define %%MAGIC %10
paddd %%regE,%%immCNT
movdqa W14, [rsp + ((%%memW - 14) & 15) * 16]
pxor W16, W14
pxor W16, [rsp + ((%%memW - 8) & 15) * 16]
pxor W16, [rsp + ((%%memW - 3) & 15) * 16]
movdqa %%regF, W16
pslld W16, 1
psrld %%regF, (32-1)
por %%regF, W16
ROTATE_W
movdqa [rsp + ((%%memW - 0) & 15) * 16],%%regF
paddd %%regE,%%regF
movdqa %%regT,%%regA
PROLD %%regT,5, %%regF
paddd %%regE,%%regT
%%MAGIC %%regF,%%regB,%%regC,%%regD,%%regT ;; FUN = MAGIC_Fi(B,C,D)
PROLD %%regB,30, %%regT
paddd %%regE,%%regF
%endmacro
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; FRAMESZ plus pushes must be an odd multiple of 8
%define XMM_SAVE ((15-15)*16 + 1*8)
%define FRAMESZ 16*16 + XMM_SAVE
%define _XMM FRAMESZ - XMM_SAVE
%define MOVPS movups
%define inp0 r8
%define inp1 r9
%define inp2 r10
%define inp3 r11
%define IDX rax
%define A xmm0
%define B xmm1
%define C xmm2
%define D xmm3
%define E xmm4
%define F xmm5 ; tmp
%define G xmm6 ; tmp
%define TMP G
%define FUN F
%define K xmm7
%define AA xmm8
%define BB xmm9
%define CC xmm10
%define DD xmm11
%define EE xmm12
%define T0 xmm6
%define T1 xmm7
%define T2 xmm8
%define T3 xmm9
%define T4 xmm10
%define T5 xmm11
%macro ROTATE_ARGS 0
%xdefine TMP_ E
%xdefine E D
%xdefine D C
%xdefine C B
%xdefine B A
%xdefine A TMP_
%endm
%define W14 xmm13
%define W15 xmm14
%define W16 xmm15
%macro ROTATE_W 0
%xdefine TMP_ W16
%xdefine W16 W15
%xdefine W15 W14
%xdefine W14 TMP_
%endm
%define DIGEST_SIZE (4*5*4)
%ifidn __OUTPUT_FORMAT__, elf64
; Linux
%define ARG1 rdi
%define ARG2 rsi
%else
; Windows
%define ARG1 rcx
%define ARG2 rdx
%endif
align 32
; void sha1_mb_x4_sse(SHA1_MB_ARGS_X8 *args, uint32_t size_in_blocks);
; arg 1 : ARG1 : pointer to args (only 4 of the 8 lanes used)
; arg 2 : ARG2 : size (in blocks) ;; assumed to be >= 1
;
; Clobbers registers: ARG2, rax, r8-r11, xmm0-xmm15
;
global sha1_mb_x4_sse:function internal
sha1_mb_x4_sse:
sub rsp, FRAMESZ ;; FRAMESZ + pushes must be odd multiple of 8
;; Initialize digests
movdqa A, [ARG1 + 0*16]
movdqa B, [ARG1 + 1*16]
movdqa C, [ARG1 + 2*16]
movdqa D, [ARG1 + 3*16]
movdqa E, [ARG1 + 4*16]
;; load input pointers
mov inp0,[ARG1 + _data_ptr + 0*8]
mov inp1,[ARG1 + _data_ptr + 1*8]
mov inp2,[ARG1 + _data_ptr + 2*8]
mov inp3,[ARG1 + _data_ptr + 3*8]
xor IDX, IDX
lloop:
movdqa F, [PSHUFFLE_BYTE_FLIP_MASK]
%assign I 0
%rep 4
MOVPS T2,[inp0+IDX]
MOVPS T1,[inp1+IDX]
MOVPS T4,[inp2+IDX]
MOVPS T3,[inp3+IDX]
TRANSPOSE T2, T1, T4, T3, T0, T5
pshufb T0, F
movdqa [rsp+(I*4+0)*16],T0
pshufb T1, F
movdqa [rsp+(I*4+1)*16],T1
pshufb T2, F
movdqa [rsp+(I*4+2)*16],T2
pshufb T3, F
movdqa [rsp+(I*4+3)*16],T3
add IDX, 4*4
%assign I (I+1)
%endrep
; save old digests
movdqa AA, A
movdqa BB, B
movdqa CC, C
movdqa DD, D
movdqa EE, E
;;
;; perform 0-79 steps
;;
movdqa K, [K00_19]
;; do rounds 0...15
%assign I 0
%rep 16
SHA1_STEP_00_15 A,B,C,D,E, TMP,FUN, I, K, MAGIC_F0
ROTATE_ARGS
%assign I (I+1)
%endrep
;; do rounds 16...19
movdqa W16, [rsp + ((16 - 16) & 15) * 16]
movdqa W15, [rsp + ((16 - 15) & 15) * 16]
%rep 4
SHA1_STEP_16_79 A,B,C,D,E, TMP,FUN, I, K, MAGIC_F0
ROTATE_ARGS
%assign I (I+1)
%endrep
;; do rounds 20...39
movdqa K, [K20_39]
%rep 20
SHA1_STEP_16_79 A,B,C,D,E, TMP,FUN, I, K, MAGIC_F1
ROTATE_ARGS
%assign I (I+1)
%endrep
;; do rounds 40...59
movdqa K, [K40_59]
%rep 20
SHA1_STEP_16_79 A,B,C,D,E, TMP,FUN, I, K, MAGIC_F2
ROTATE_ARGS
%assign I (I+1)
%endrep
;; do rounds 60...79
movdqa K, [K60_79]
%rep 20
SHA1_STEP_16_79 A,B,C,D,E, TMP,FUN, I, K, MAGIC_F3
ROTATE_ARGS
%assign I (I+1)
%endrep
paddd A,AA
paddd B,BB
paddd C,CC
paddd D,DD
paddd E,EE
sub ARG2, 1
jne lloop
; write out digests
movdqa [ARG1 + 0*16], A
movdqa [ARG1 + 1*16], B
movdqa [ARG1 + 2*16], C
movdqa [ARG1 + 3*16], D
movdqa [ARG1 + 4*16], E
; update input pointers
add inp0, IDX
mov [ARG1 + _data_ptr + 0*8], inp0
add inp1, IDX
mov [ARG1 + _data_ptr + 1*8], inp1
add inp2, IDX
mov [ARG1 + _data_ptr + 2*8], inp2
add inp3, IDX
mov [ARG1 + _data_ptr + 3*8], inp3
;;;;;;;;;;;;;;;;
;; Postamble
add rsp, FRAMESZ
ret
section .data align=16
align 16
PSHUFFLE_BYTE_FLIP_MASK: dq 0x0405060700010203, 0x0c0d0e0f08090a0b
K00_19: dq 0x5A8279995A827999, 0x5A8279995A827999
K20_39: dq 0x6ED9EBA16ED9EBA1, 0x6ED9EBA16ED9EBA1
K40_59: dq 0x8F1BBCDC8F1BBCDC, 0x8F1BBCDC8F1BBCDC
K60_79: dq 0xCA62C1D6CA62C1D6, 0xCA62C1D6CA62C1D6
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