445 lines
15 KiB
NASM
445 lines
15 KiB
NASM
;
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; This file is a part of Pcompress, a chunked parallel multi-
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; algorithm lossless compression and decompression program.
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;
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; Copyright (C) 2012-2013 Moinak Ghosh. All rights reserved.
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; Use is subject to license terms.
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;
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; This program is free software; you can redistribute it and/or
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; modify it under the terms of the GNU Lesser General Public
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; License as published by the Free Software Foundation; either
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; version 3 of the License, or (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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; Lesser General Public License for more details.
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;
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; You should have received a copy of the GNU Lesser General Public
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; License along with this program.
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; If not, see <http://www.gnu.org/licenses/>.
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;
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; moinakg@belenix.org, http://moinakg.wordpress.com/
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; NOTE:
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; The code in this file is covered by the Intel Open Software License
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; Agreement a copy of which is provided in the file
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; open_software_license.txt
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;
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; This source was downloaded from the following URL:
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; http://www.intel.com/content/www/us/en/intelligent-systems/crystal-forest-gladden/sha512-code-edc.html
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;
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; Only the Intel license terms will apply when this file is used outside
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; of this software project.
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;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright 2012 Intel Corporation All Rights Reserved.
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;
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; The source code contained or described herein and all documents
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; related to the source code ("Material") are owned by Intel Corporation
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; or its suppliers or licensors. Title to the Material remains with
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; Intel Corporation or its suppliers and licensors. The Material may
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; contain trade secrets and proprietary and confidential information of
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; Intel Corporation and its suppliers and licensors, and is protected by
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; worldwide copyright and trade secret laws and treaty provisions. No
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; part of the Material may be used, copied, reproduced, modified,
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; published, uploaded, posted, transmitted, distributed, or disclosed in
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; any way without Intel's prior express written permission.
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;
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; No license under any patent, copyright, trade secret or other
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; intellectual property right is granted to or conferred upon you by
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; disclosure or delivery of the Materials, either expressly, by
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; implication, inducement, estoppel or otherwise. Any license under such
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; intellectual property rights must be express and approved by Intel in
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; writing.
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;
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; Unless otherwise agreed by Intel in writing, you may not remove or
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; alter this notice or any other notice embedded in Materials by Intel
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; or Intel's suppliers or licensors in any way.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;
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; Example YASM command lines:
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; Windows: yasm -f x64 -D WINABI sha512_avx.asm
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; Linux: yasm -f elf64 sha512_avx.asm
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;
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BITS 64
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section .text
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; Virtual Registers
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%ifdef WINABI
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%define msg rcx ; ARG1
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%define digest rdx ; ARG2
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%define msglen r8 ; ARG3
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%define T1 rsi
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%define T2 rdi
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%else
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%define msg rdi ; ARG1
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%define digest rsi ; ARG2
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%define msglen rdx ; ARG3
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%define T1 rcx
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%define T2 r8
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%endif
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%define a_64 r9
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%define b_64 r10
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%define c_64 r11
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%define d_64 r12
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%define e_64 r13
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%define f_64 r14
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%define g_64 r15
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%define h_64 rbx
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%define tmp0 rax
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; Local variables (stack frame)
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; Note: frame_size must be an odd multiple of 8 bytes to XMM align RSP
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struc frame
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.W: resq 80 ; Message Schedule
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.WK: resq 2 ; W[t] + K[t] | W[t+1] + K[t+1]
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%ifdef WINABI
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.XMMSAVE: resdq 4
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.GPRSAVE: resq 7
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%else
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.GPRSAVE: resq 5
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%endif
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endstruc
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; Useful QWORD "arrays" for simpler memory references
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%define MSG(i) msg + 8*(i) ; Input message (arg1)
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%define DIGEST(i) digest + 8*(i) ; Output Digest (arg2)
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%define K_t(i) K512 + 8*(i) wrt rip ; SHA Constants (static mem)
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%define W_t(i) rsp + frame.W + 8*(i) ; Message Schedule (stack frame)
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%define WK_2(i) rsp + frame.WK + 8*((i) % 2) ; W[t]+K[t] (stack frame)
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; MSG, DIGEST, K_t, W_t are arrays
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; WK_2(t) points to 1 of 2 qwords at frame.WK depdending on t being odd/even
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%macro RotateState 0
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; Rotate symbles a..h right
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%xdefine %%TMP h_64
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%xdefine h_64 g_64
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%xdefine g_64 f_64
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%xdefine f_64 e_64
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%xdefine e_64 d_64
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%xdefine d_64 c_64
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%xdefine c_64 b_64
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%xdefine b_64 a_64
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%xdefine a_64 %%TMP
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%endmacro
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%macro RORQ 2
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; shld is faster than ror on Sandybridge
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shld %1, %1, (64 - %2)
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%endmacro
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%macro SHA512_Round 1
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%assign %%t (%1)
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; Compute Round %%t
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mov T1, f_64 ; T1 = f
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mov tmp0, e_64 ; tmp = e
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xor T1, g_64 ; T1 = f ^ g
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RORQ tmp0, 23 ; 41 ; tmp = e ror 23
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and T1, e_64 ; T1 = (f ^ g) & e
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xor tmp0, e_64 ; tmp = (e ror 23) ^ e
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xor T1, g_64 ; T1 = ((f ^ g) & e) ^ g = CH(e,f,g)
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add T1, [WK_2(%%t)] ; W[t] + K[t] from message scheduler
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RORQ tmp0, 4 ; 18 ; tmp = ((e ror 23) ^ e) ror 4
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xor tmp0, e_64 ; tmp = (((e ror 23) ^ e) ror 4) ^ e
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mov T2, a_64 ; T2 = a
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add T1, h_64 ; T1 = CH(e,f,g) + W[t] + K[t] + h
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RORQ tmp0, 14 ; 14 ; tmp = ((((e ror23)^e)ror4)^e)ror14 = S1(e)
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add T1, tmp0 ; T1 = CH(e,f,g) + W[t] + K[t] + S1(e)
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mov tmp0, a_64 ; tmp = a
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xor T2, c_64 ; T2 = a ^ c
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and tmp0, c_64 ; tmp = a & c
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and T2, b_64 ; T2 = (a ^ c) & b
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xor T2, tmp0 ; T2 = ((a ^ c) & b) ^ (a & c) = Maj(a,b,c)
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mov tmp0, a_64 ; tmp = a
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RORQ tmp0, 5 ; 39 ; tmp = a ror 5
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xor tmp0, a_64 ; tmp = (a ror 5) ^ a
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add d_64, T1 ; e(next_state) = d + T1
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RORQ tmp0, 6 ; 34 ; tmp = ((a ror 5) ^ a) ror 6
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xor tmp0, a_64 ; tmp = (((a ror 5) ^ a) ror 6) ^ a
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lea h_64, [T1 + T2] ; a(next_state) = T1 + Maj(a,b,c)
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RORQ tmp0, 28 ; 28 ; tmp = ((((a ror5)^a)ror6)^a)ror28 = S0(a)
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add h_64, tmp0 ; a(next_state) = T1 + Maj(a,b,c) S0(a)
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RotateState
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%endmacro
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%macro SHA512_2Sched_2Round_avx 1
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%assign %%t %1
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; Compute rounds %%t-2 and %%t-1
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; Compute message schedule QWORDS %%t and %%t+1
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; Two rounds are computed based on the values for K[t-2]+W[t-2] and
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; K[t-1]+W[t-1] which were previously stored at WK_2 by the message
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; scheduler.
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; The two new schedule QWORDS are stored at [W_t(%%t)] and [W_t(%%t+1)].
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; They are then added to their respective SHA512 constants at
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; [K_t(%%t)] and [K_t(%%t+1)] and stored at dqword [WK_2(%%t)]
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; For brievity, the comments following vectored instructions only refer to
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; the first of a pair of QWORDS.
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; Eg. XMM4=W[t-2] really means XMM4={W[t-2]|W[t-1]}
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; The computation of the message schedule and the rounds are tightly
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; stitched to take advantage of instruction-level parallelism.
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; For clarity, integer instructions (for the rounds calculation) are indented
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; by one tab. Vectored instructions (for the message scheduler) are indented
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; by two tabs.
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vmovdqa xmm4, [W_t(%%t-2)] ; XMM4 = W[t-2]
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vmovdqu xmm5, [W_t(%%t-15)] ; XMM5 = W[t-15]
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mov T1, f_64
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vpsrlq xmm0, xmm4, 61 ; XMM0 = W[t-2]>>61
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mov tmp0, e_64
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vpsrlq xmm6, xmm5, 1 ; XMM6 = W[t-15]>>1
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xor T1, g_64
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RORQ tmp0, 23 ; 41
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vpsrlq xmm1, xmm4, 19 ; XMM1 = W[t-2]>>19
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and T1, e_64
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xor tmp0, e_64
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vpxor xmm0, xmm1 ; XMM0 = W[t-2]>>61 ^ W[t-2]>>19
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xor T1, g_64
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add T1, [WK_2(%%t)];
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vpsrlq xmm7, xmm5, 8 ; XMM7 = W[t-15]>>8
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RORQ tmp0, 4 ; 18
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vpsrlq xmm2, xmm4, 6 ; XMM2 = W[t-2]>>6
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xor tmp0, e_64
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mov T2, a_64
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add T1, h_64
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vpxor xmm6, xmm7 ; XMM6 = W[t-15]>>1 ^ W[t-15]>>8
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RORQ tmp0, 14 ; 14
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add T1, tmp0
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vpsrlq xmm8, xmm5, 7 ; XMM8 = W[t-15]>>7
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mov tmp0, a_64
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xor T2, c_64
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vpsllq xmm3, xmm4, (64-61) ; XMM3 = W[t-2]<<3
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and tmp0, c_64
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and T2, b_64
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vpxor xmm2, xmm3 ; XMM2 = W[t-2]>>6 ^ W[t-2]<<3
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xor T2, tmp0
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mov tmp0, a_64
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vpsllq xmm9, xmm5, (64-1) ; XMM9 = W[t-15]<<63
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RORQ tmp0, 5 ; 39
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vpxor xmm8, xmm9 ; XMM8 = W[t-15]>>7 ^ W[t-15]<<63
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xor tmp0, a_64
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add d_64, T1
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RORQ tmp0, 6 ; 34
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xor tmp0, a_64
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vpxor xmm6, xmm8 ; XMM6 = W[t-15]>>1 ^ W[t-15]>>8 ^ W[t-15]>>7 ^ W[t-15]<<63
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lea h_64, [T1 + T2]
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RORQ tmp0, 28 ; 28
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vpsllq xmm4, (64-19) ; XMM4 = W[t-2]<<25
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add h_64, tmp0
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RotateState
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vpxor xmm0, xmm4 ; XMM0 = W[t-2]>>61 ^ W[t-2]>>19 ^ W[t-2]<<25
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mov T1, f_64
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vpxor xmm0, xmm2 ; XMM0 = s1(W[t-2])
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mov tmp0, e_64
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xor T1, g_64
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vpaddq xmm0, [W_t(%%t-16)] ; XMM0 = s1(W[t-2]) + W[t-16]
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vmovdqu xmm1, [W_t(%%t- 7)] ; XMM1 = W[t-7]
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RORQ tmp0, 23 ; 41
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and T1, e_64
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xor tmp0, e_64
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xor T1, g_64
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vpsllq xmm5, (64-8) ; XMM5 = W[t-15]<<56
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add T1, [WK_2(%%t+1)]
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vpxor xmm6, xmm5 ; XMM6 = s0(W[t-15])
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RORQ tmp0, 4 ; 18
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vpaddq xmm0, xmm6 ; XMM0 = s1(W[t-2]) + W[t-16] + s0(W[t-15])
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xor tmp0, e_64
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vpaddq xmm0, xmm1 ; XMM0 = W[t] = s1(W[t-2]) + W[t-7] + s0(W[t-15]) + W[t-16]
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mov T2, a_64
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add T1, h_64
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RORQ tmp0, 14 ; 14
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add T1, tmp0
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vmovdqa [W_t(%%t)], xmm0 ; Store W[t]
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vpaddq xmm0, [K_t(t)] ; Compute W[t]+K[t]
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vmovdqa [WK_2(t)], xmm0 ; Store W[t]+K[t] for next rounds
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mov tmp0, a_64
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xor T2, c_64
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and tmp0, c_64
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and T2, b_64
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xor T2, tmp0
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mov tmp0, a_64
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RORQ tmp0, 5 ; 39
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xor tmp0, a_64
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add d_64, T1
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RORQ tmp0, 6 ; 34
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xor tmp0, a_64
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lea h_64, [T1 + T2]
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RORQ tmp0, 28 ; 28
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add h_64, tmp0
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RotateState
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%endmacro
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; void sha512_avx(const void* M, void* D, uint64_t L);
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; Purpose: Updates the SHA512 digest stored at D with the message stored in M.
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; The size of the message pointed to by M must be an integer multiple of SHA512
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; message blocks.
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; L is the message length in SHA512 blocks
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global sha512_avx:function
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sha512_avx:
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cmp msglen, 0
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je .nowork
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; Allocate Stack Space
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sub rsp, frame_size
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; Save GPRs
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mov [rsp + frame.GPRSAVE + 8 * 0], rbx
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mov [rsp + frame.GPRSAVE + 8 * 1], r12
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mov [rsp + frame.GPRSAVE + 8 * 2], r13
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mov [rsp + frame.GPRSAVE + 8 * 3], r14
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mov [rsp + frame.GPRSAVE + 8 * 4], r15
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%ifdef WINABI
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mov [rsp + frame.GPRSAVE + 8 * 5], rsi
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mov [rsp + frame.GPRSAVE + 8 * 6], rdi
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%endif
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; Save XMMs
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%ifdef WINABI
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vmovdqa [rsp + frame.XMMSAVE + 16 * 0], xmm6
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vmovdqa [rsp + frame.XMMSAVE + 16 * 1], xmm7
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vmovdqa [rsp + frame.XMMSAVE + 16 * 2], xmm8
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vmovdqa [rsp + frame.XMMSAVE + 16 * 3], xmm9
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%endif
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.updateblock:
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; Load state variables
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mov a_64, [DIGEST(0)]
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mov b_64, [DIGEST(1)]
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mov c_64, [DIGEST(2)]
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mov d_64, [DIGEST(3)]
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mov e_64, [DIGEST(4)]
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mov f_64, [DIGEST(5)]
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mov g_64, [DIGEST(6)]
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mov h_64, [DIGEST(7)]
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%assign t 0
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%rep 80/2 + 1
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; (80 rounds) / (2 rounds/iteration) + (1 iteration)
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; +1 iteration because the scheduler leads hashing by 1 iteration
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%if t < 2
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; BSWAP 2 QWORDS
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vmovdqa xmm1, [XMM_QWORD_BSWAP wrt rip]
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vmovdqu xmm0, [MSG(t)]
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vpshufb xmm0, xmm0, xmm1 ; BSWAP
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vmovdqa [W_t(t)], xmm0 ; Store Scheduled Pair
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vpaddq xmm0, xmm0, [K_t(t)] ; Compute W[t]+K[t]
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vmovdqa [WK_2(t)], xmm0 ; Store into WK for rounds
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%elif t < 16
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; BSWAP 2 QWORDS, Compute 2 Rounds
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vmovdqu xmm0, [MSG(t)]
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vpshufb xmm0, xmm0, xmm1 ; BSWAP
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SHA512_Round t - 2 ; Round t-2
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vmovdqa [W_t(t)], xmm0 ; Store Scheduled Pair
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vpaddq xmm0, xmm0, [K_t(t)] ; Compute W[t]+K[t]
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SHA512_Round t - 1 ; Round t-1
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vmovdqa [WK_2(t)], xmm0 ; W[t]+K[t] into WK
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%elif t < 79
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; Schedule 2 QWORDS; Compute 2 Rounds
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SHA512_2Sched_2Round_avx t
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%else
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; Compute 2 Rounds
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SHA512_Round t - 2
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SHA512_Round t - 1
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%endif
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%assign t t+2
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%endrep
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; Update digest
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add [DIGEST(0)], a_64
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add [DIGEST(1)], b_64
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add [DIGEST(2)], c_64
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add [DIGEST(3)], d_64
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add [DIGEST(4)], e_64
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add [DIGEST(5)], f_64
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add [DIGEST(6)], g_64
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add [DIGEST(7)], h_64
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; Advance to next message block
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add msg, 16*8
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dec msglen
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jnz .updateblock
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; Restore XMMs
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%ifdef WINABI
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vmovdqa xmm6, [rsp + frame.XMMSAVE + 16 * 0]
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vmovdqa xmm7, [rsp + frame.XMMSAVE + 16 * 1]
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vmovdqa xmm8, [rsp + frame.XMMSAVE + 16 * 2]
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vmovdqa xmm9, [rsp + frame.XMMSAVE + 16 * 3]
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%endif
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; Restore GPRs
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mov rbx, [rsp + frame.GPRSAVE + 8 * 0]
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mov r12, [rsp + frame.GPRSAVE + 8 * 1]
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mov r13, [rsp + frame.GPRSAVE + 8 * 2]
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mov r14, [rsp + frame.GPRSAVE + 8 * 3]
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mov r15, [rsp + frame.GPRSAVE + 8 * 4]
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%ifdef WINABI
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mov rsi, [rsp + frame.GPRSAVE + 8 * 5]
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mov rdi, [rsp + frame.GPRSAVE + 8 * 6]
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%endif
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; Restore Stack Pointer
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add rsp, frame_size
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.nowork:
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ret
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; Binary Data
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section .data
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ALIGN 16
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; Mask for byte-swapping a couple of qwords in an XMM register using (v)pshufb.
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XMM_QWORD_BSWAP:
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ddq 0x08090a0b0c0d0e0f0001020304050607
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; K[t] used in SHA512 hashing
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K512:
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dq 0x428a2f98d728ae22,0x7137449123ef65cd
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dq 0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc
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dq 0x3956c25bf348b538,0x59f111f1b605d019
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dq 0x923f82a4af194f9b,0xab1c5ed5da6d8118
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dq 0xd807aa98a3030242,0x12835b0145706fbe
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dq 0x243185be4ee4b28c,0x550c7dc3d5ffb4e2
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dq 0x72be5d74f27b896f,0x80deb1fe3b1696b1
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dq 0x9bdc06a725c71235,0xc19bf174cf692694
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dq 0xe49b69c19ef14ad2,0xefbe4786384f25e3
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dq 0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65
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dq 0x2de92c6f592b0275,0x4a7484aa6ea6e483
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dq 0x5cb0a9dcbd41fbd4,0x76f988da831153b5
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dq 0x983e5152ee66dfab,0xa831c66d2db43210
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dq 0xb00327c898fb213f,0xbf597fc7beef0ee4
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dq 0xc6e00bf33da88fc2,0xd5a79147930aa725
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dq 0x06ca6351e003826f,0x142929670a0e6e70
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dq 0x27b70a8546d22ffc,0x2e1b21385c26c926
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dq 0x4d2c6dfc5ac42aed,0x53380d139d95b3df
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dq 0x650a73548baf63de,0x766a0abb3c77b2a8
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dq 0x81c2c92e47edaee6,0x92722c851482353b
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dq 0xa2bfe8a14cf10364,0xa81a664bbc423001
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dq 0xc24b8b70d0f89791,0xc76c51a30654be30
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dq 0xd192e819d6ef5218,0xd69906245565a910
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dq 0xf40e35855771202a,0x106aa07032bbd1b8
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dq 0x19a4c116b8d2d0c8,0x1e376c085141ab53
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dq 0x2748774cdf8eeb99,0x34b0bcb5e19b48a8
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dq 0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb
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dq 0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3
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dq 0x748f82ee5defb2fc,0x78a5636f43172f60
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dq 0x84c87814a1f0ab72,0x8cc702081a6439ec
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dq 0x90befffa23631e28,0xa4506cebde82bde9
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dq 0xbef9a3f7b2c67915,0xc67178f2e372532b
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dq 0xca273eceea26619c,0xd186b8c721c0c207
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dq 0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178
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dq 0x06f067aa72176fba,0x0a637dc5a2c898a6
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dq 0x113f9804bef90dae,0x1b710b35131c471b
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dq 0x28db77f523047d84,0x32caab7b40c72493
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dq 0x3c9ebe0a15c9bebc,0x431d67c49c100d4c
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dq 0x4cc5d4becb3e42b6,0x597f299cfc657e2a
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dq 0x5fcb6fab3ad6faec,0x6c44198c4a475817
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