769 lines
23 KiB
ArmAsm
769 lines
23 KiB
ArmAsm
########################################################################
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# Implement fast SHA-256 with AVX2 instructions. (x86_64)
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#
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# Copyright (C) 2013 Intel Corporation.
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#
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# Authors:
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# James Guilford <james.guilford@intel.com>
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# Kirk Yap <kirk.s.yap@intel.com>
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# Tim Chen <tim.c.chen@linux.intel.com>
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#
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# This software is available to you under a choice of one of two
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# licenses. You may choose to be licensed under the terms of the GNU
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# General Public License (GPL) Version 2, available from the file
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# COPYING in the main directory of this source tree, or the
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# OpenIB.org BSD license below:
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# - Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# - Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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########################################################################
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#
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# This code is described in an Intel White-Paper:
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# "Fast SHA-256 Implementations on Intel Architecture Processors"
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#
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# To find it, surf to http://www.intel.com/p/en_US/embedded
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# and search for that title.
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#
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########################################################################
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# This code schedules 2 blocks at a time, with 4 lanes per block
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########################################################################
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#include <linux/linkage.h>
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## assume buffers not aligned
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#define VMOVDQ vmovdqu
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################################ Define Macros
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# addm [mem], reg
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# Add reg to mem using reg-mem add and store
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.macro addm p1 p2
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add \p1, \p2
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mov \p2, \p1
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.endm
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################################
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X0 = %ymm4
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X1 = %ymm5
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X2 = %ymm6
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X3 = %ymm7
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# XMM versions of above
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XWORD0 = %xmm4
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XWORD1 = %xmm5
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XWORD2 = %xmm6
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XWORD3 = %xmm7
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XTMP0 = %ymm0
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XTMP1 = %ymm1
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XTMP2 = %ymm2
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XTMP3 = %ymm3
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XTMP4 = %ymm8
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XFER = %ymm9
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XTMP5 = %ymm11
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SHUF_00BA = %ymm10 # shuffle xBxA -> 00BA
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SHUF_DC00 = %ymm12 # shuffle xDxC -> DC00
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BYTE_FLIP_MASK = %ymm13
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X_BYTE_FLIP_MASK = %xmm13 # XMM version of BYTE_FLIP_MASK
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NUM_BLKS = %rdx # 3rd arg
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INP = %rsi # 2nd arg
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CTX = %rdi # 1st arg
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c = %ecx
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d = %r8d
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e = %edx # clobbers NUM_BLKS
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y3 = %esi # clobbers INP
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SRND = CTX # SRND is same register as CTX
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a = %eax
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b = %ebx
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f = %r9d
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g = %r10d
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h = %r11d
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old_h = %r11d
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T1 = %r12d
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y0 = %r13d
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y1 = %r14d
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y2 = %r15d
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_XFER_SIZE = 2*64*4 # 2 blocks, 64 rounds, 4 bytes/round
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_XMM_SAVE_SIZE = 0
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_INP_END_SIZE = 8
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_INP_SIZE = 8
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_CTX_SIZE = 8
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_XFER = 0
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_XMM_SAVE = _XFER + _XFER_SIZE
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_INP_END = _XMM_SAVE + _XMM_SAVE_SIZE
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_INP = _INP_END + _INP_END_SIZE
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_CTX = _INP + _INP_SIZE
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STACK_SIZE = _CTX + _CTX_SIZE
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# rotate_Xs
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# Rotate values of symbols X0...X3
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.macro rotate_Xs
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X_ = X0
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X0 = X1
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X1 = X2
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X2 = X3
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X3 = X_
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.endm
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# ROTATE_ARGS
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# Rotate values of symbols a...h
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.macro ROTATE_ARGS
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old_h = h
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TMP_ = h
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h = g
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g = f
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f = e
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e = d
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d = c
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c = b
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b = a
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a = TMP_
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.endm
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.macro FOUR_ROUNDS_AND_SCHED disp
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################################### RND N + 0 ############################
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mov a, y3 # y3 = a # MAJA
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rorx $25, e, y0 # y0 = e >> 25 # S1A
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rorx $11, e, y1 # y1 = e >> 11 # S1B
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addl \disp(%rsp, SRND), h # h = k + w + h # --
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or c, y3 # y3 = a|c # MAJA
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vpalignr $4, X2, X3, XTMP0 # XTMP0 = W[-7]
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mov f, y2 # y2 = f # CH
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rorx $13, a, T1 # T1 = a >> 13 # S0B
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
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xor g, y2 # y2 = f^g # CH
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vpaddd X0, XTMP0, XTMP0 # XTMP0 = W[-7] + W[-16]# y1 = (e >> 6)# S1
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rorx $6, e, y1 # y1 = (e >> 6) # S1
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and e, y2 # y2 = (f^g)&e # CH
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
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rorx $22, a, y1 # y1 = a >> 22 # S0A
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add h, d # d = k + w + h + d # --
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and b, y3 # y3 = (a|c)&b # MAJA
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vpalignr $4, X0, X1, XTMP1 # XTMP1 = W[-15]
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
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rorx $2, a, T1 # T1 = (a >> 2) # S0
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xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
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vpsrld $7, XTMP1, XTMP2
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
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mov a, T1 # T1 = a # MAJB
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and c, T1 # T1 = a&c # MAJB
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add y0, y2 # y2 = S1 + CH # --
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vpslld $(32-7), XTMP1, XTMP3
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or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
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add y1, h # h = k + w + h + S0 # --
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add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
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vpor XTMP2, XTMP3, XTMP3 # XTMP3 = W[-15] ror 7
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vpsrld $18, XTMP1, XTMP2
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add y2, h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
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add y3, h # h = t1 + S0 + MAJ # --
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ROTATE_ARGS
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################################### RND N + 1 ############################
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mov a, y3 # y3 = a # MAJA
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rorx $25, e, y0 # y0 = e >> 25 # S1A
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rorx $11, e, y1 # y1 = e >> 11 # S1B
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offset = \disp + 1*4
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addl offset(%rsp, SRND), h # h = k + w + h # --
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or c, y3 # y3 = a|c # MAJA
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vpsrld $3, XTMP1, XTMP4 # XTMP4 = W[-15] >> 3
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mov f, y2 # y2 = f # CH
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rorx $13, a, T1 # T1 = a >> 13 # S0B
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
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xor g, y2 # y2 = f^g # CH
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rorx $6, e, y1 # y1 = (e >> 6) # S1
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
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rorx $22, a, y1 # y1 = a >> 22 # S0A
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and e, y2 # y2 = (f^g)&e # CH
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add h, d # d = k + w + h + d # --
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vpslld $(32-18), XTMP1, XTMP1
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and b, y3 # y3 = (a|c)&b # MAJA
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
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vpxor XTMP1, XTMP3, XTMP3
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rorx $2, a, T1 # T1 = (a >> 2) # S0
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xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
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vpxor XTMP2, XTMP3, XTMP3 # XTMP3 = W[-15] ror 7 ^ W[-15] ror 18
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
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mov a, T1 # T1 = a # MAJB
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and c, T1 # T1 = a&c # MAJB
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add y0, y2 # y2 = S1 + CH # --
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vpxor XTMP4, XTMP3, XTMP1 # XTMP1 = s0
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vpshufd $0b11111010, X3, XTMP2 # XTMP2 = W[-2] {BBAA}
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or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
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add y1, h # h = k + w + h + S0 # --
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vpaddd XTMP1, XTMP0, XTMP0 # XTMP0 = W[-16] + W[-7] + s0
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add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
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add y2, h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
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add y3, h # h = t1 + S0 + MAJ # --
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vpsrld $10, XTMP2, XTMP4 # XTMP4 = W[-2] >> 10 {BBAA}
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ROTATE_ARGS
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################################### RND N + 2 ############################
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mov a, y3 # y3 = a # MAJA
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rorx $25, e, y0 # y0 = e >> 25 # S1A
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offset = \disp + 2*4
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addl offset(%rsp, SRND), h # h = k + w + h # --
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vpsrlq $19, XTMP2, XTMP3 # XTMP3 = W[-2] ror 19 {xBxA}
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rorx $11, e, y1 # y1 = e >> 11 # S1B
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or c, y3 # y3 = a|c # MAJA
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mov f, y2 # y2 = f # CH
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xor g, y2 # y2 = f^g # CH
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rorx $13, a, T1 # T1 = a >> 13 # S0B
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
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vpsrlq $17, XTMP2, XTMP2 # XTMP2 = W[-2] ror 17 {xBxA}
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and e, y2 # y2 = (f^g)&e # CH
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rorx $6, e, y1 # y1 = (e >> 6) # S1
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vpxor XTMP3, XTMP2, XTMP2
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add h, d # d = k + w + h + d # --
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and b, y3 # y3 = (a|c)&b # MAJA
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
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rorx $22, a, y1 # y1 = a >> 22 # S0A
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vpxor XTMP2, XTMP4, XTMP4 # XTMP4 = s1 {xBxA}
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xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
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vpshufb SHUF_00BA, XTMP4, XTMP4 # XTMP4 = s1 {00BA}
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
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rorx $2, a ,T1 # T1 = (a >> 2) # S0
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vpaddd XTMP4, XTMP0, XTMP0 # XTMP0 = {..., ..., W[1], W[0]}
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
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mov a, T1 # T1 = a # MAJB
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and c, T1 # T1 = a&c # MAJB
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add y0, y2 # y2 = S1 + CH # --
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vpshufd $0b01010000, XTMP0, XTMP2 # XTMP2 = W[-2] {DDCC}
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or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
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add y1,h # h = k + w + h + S0 # --
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add y2,d # d = k + w + h + d + S1 + CH = d + t1 # --
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add y2,h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
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add y3,h # h = t1 + S0 + MAJ # --
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ROTATE_ARGS
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################################### RND N + 3 ############################
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mov a, y3 # y3 = a # MAJA
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rorx $25, e, y0 # y0 = e >> 25 # S1A
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rorx $11, e, y1 # y1 = e >> 11 # S1B
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offset = \disp + 3*4
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addl offset(%rsp, SRND), h # h = k + w + h # --
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or c, y3 # y3 = a|c # MAJA
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vpsrld $10, XTMP2, XTMP5 # XTMP5 = W[-2] >> 10 {DDCC}
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mov f, y2 # y2 = f # CH
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rorx $13, a, T1 # T1 = a >> 13 # S0B
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
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xor g, y2 # y2 = f^g # CH
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vpsrlq $19, XTMP2, XTMP3 # XTMP3 = W[-2] ror 19 {xDxC}
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rorx $6, e, y1 # y1 = (e >> 6) # S1
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and e, y2 # y2 = (f^g)&e # CH
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add h, d # d = k + w + h + d # --
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and b, y3 # y3 = (a|c)&b # MAJA
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vpsrlq $17, XTMP2, XTMP2 # XTMP2 = W[-2] ror 17 {xDxC}
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
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xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
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vpxor XTMP3, XTMP2, XTMP2
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rorx $22, a, y1 # y1 = a >> 22 # S0A
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add y0, y2 # y2 = S1 + CH # --
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vpxor XTMP2, XTMP5, XTMP5 # XTMP5 = s1 {xDxC}
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
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add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
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rorx $2, a, T1 # T1 = (a >> 2) # S0
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vpshufb SHUF_DC00, XTMP5, XTMP5 # XTMP5 = s1 {DC00}
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vpaddd XTMP0, XTMP5, X0 # X0 = {W[3], W[2], W[1], W[0]}
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
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mov a, T1 # T1 = a # MAJB
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and c, T1 # T1 = a&c # MAJB
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or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
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add y1, h # h = k + w + h + S0 # --
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add y2, h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
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add y3, h # h = t1 + S0 + MAJ # --
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ROTATE_ARGS
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rotate_Xs
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.endm
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.macro DO_4ROUNDS disp
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################################### RND N + 0 ###########################
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mov f, y2 # y2 = f # CH
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rorx $25, e, y0 # y0 = e >> 25 # S1A
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rorx $11, e, y1 # y1 = e >> 11 # S1B
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xor g, y2 # y2 = f^g # CH
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
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rorx $6, e, y1 # y1 = (e >> 6) # S1
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and e, y2 # y2 = (f^g)&e # CH
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
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rorx $13, a, T1 # T1 = a >> 13 # S0B
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xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
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rorx $22, a, y1 # y1 = a >> 22 # S0A
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mov a, y3 # y3 = a # MAJA
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
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rorx $2, a, T1 # T1 = (a >> 2) # S0
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addl \disp(%rsp, SRND), h # h = k + w + h # --
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or c, y3 # y3 = a|c # MAJA
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
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mov a, T1 # T1 = a # MAJB
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and b, y3 # y3 = (a|c)&b # MAJA
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and c, T1 # T1 = a&c # MAJB
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add y0, y2 # y2 = S1 + CH # --
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add h, d # d = k + w + h + d # --
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or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
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add y1, h # h = k + w + h + S0 # --
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add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
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ROTATE_ARGS
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################################### RND N + 1 ###########################
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add y2, old_h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
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mov f, y2 # y2 = f # CH
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rorx $25, e, y0 # y0 = e >> 25 # S1A
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rorx $11, e, y1 # y1 = e >> 11 # S1B
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xor g, y2 # y2 = f^g # CH
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
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rorx $6, e, y1 # y1 = (e >> 6) # S1
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and e, y2 # y2 = (f^g)&e # CH
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add y3, old_h # h = t1 + S0 + MAJ # --
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xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
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rorx $13, a, T1 # T1 = a >> 13 # S0B
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xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
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rorx $22, a, y1 # y1 = a >> 22 # S0A
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mov a, y3 # y3 = a # MAJA
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xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
|
|
rorx $2, a, T1 # T1 = (a >> 2) # S0
|
|
offset = 4*1 + \disp
|
|
addl offset(%rsp, SRND), h # h = k + w + h # --
|
|
or c, y3 # y3 = a|c # MAJA
|
|
|
|
xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
|
|
mov a, T1 # T1 = a # MAJB
|
|
and b, y3 # y3 = (a|c)&b # MAJA
|
|
and c, T1 # T1 = a&c # MAJB
|
|
add y0, y2 # y2 = S1 + CH # --
|
|
|
|
|
|
add h, d # d = k + w + h + d # --
|
|
or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
|
|
add y1, h # h = k + w + h + S0 # --
|
|
|
|
add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
|
|
|
|
ROTATE_ARGS
|
|
|
|
################################### RND N + 2 ##############################
|
|
|
|
add y2, old_h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
|
|
mov f, y2 # y2 = f # CH
|
|
rorx $25, e, y0 # y0 = e >> 25 # S1A
|
|
rorx $11, e, y1 # y1 = e >> 11 # S1B
|
|
xor g, y2 # y2 = f^g # CH
|
|
|
|
xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
|
|
rorx $6, e, y1 # y1 = (e >> 6) # S1
|
|
and e, y2 # y2 = (f^g)&e # CH
|
|
add y3, old_h # h = t1 + S0 + MAJ # --
|
|
|
|
xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
|
|
rorx $13, a, T1 # T1 = a >> 13 # S0B
|
|
xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
|
|
rorx $22, a, y1 # y1 = a >> 22 # S0A
|
|
mov a, y3 # y3 = a # MAJA
|
|
|
|
xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
|
|
rorx $2, a, T1 # T1 = (a >> 2) # S0
|
|
offset = 4*2 + \disp
|
|
addl offset(%rsp, SRND), h # h = k + w + h # --
|
|
or c, y3 # y3 = a|c # MAJA
|
|
|
|
xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
|
|
mov a, T1 # T1 = a # MAJB
|
|
and b, y3 # y3 = (a|c)&b # MAJA
|
|
and c, T1 # T1 = a&c # MAJB
|
|
add y0, y2 # y2 = S1 + CH # --
|
|
|
|
|
|
add h, d # d = k + w + h + d # --
|
|
or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
|
|
add y1, h # h = k + w + h + S0 # --
|
|
|
|
add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
|
|
|
|
ROTATE_ARGS
|
|
|
|
################################### RND N + 3 ###########################
|
|
|
|
add y2, old_h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
|
|
mov f, y2 # y2 = f # CH
|
|
rorx $25, e, y0 # y0 = e >> 25 # S1A
|
|
rorx $11, e, y1 # y1 = e >> 11 # S1B
|
|
xor g, y2 # y2 = f^g # CH
|
|
|
|
xor y1, y0 # y0 = (e>>25) ^ (e>>11) # S1
|
|
rorx $6, e, y1 # y1 = (e >> 6) # S1
|
|
and e, y2 # y2 = (f^g)&e # CH
|
|
add y3, old_h # h = t1 + S0 + MAJ # --
|
|
|
|
xor y1, y0 # y0 = (e>>25) ^ (e>>11) ^ (e>>6) # S1
|
|
rorx $13, a, T1 # T1 = a >> 13 # S0B
|
|
xor g, y2 # y2 = CH = ((f^g)&e)^g # CH
|
|
rorx $22, a, y1 # y1 = a >> 22 # S0A
|
|
mov a, y3 # y3 = a # MAJA
|
|
|
|
xor T1, y1 # y1 = (a>>22) ^ (a>>13) # S0
|
|
rorx $2, a, T1 # T1 = (a >> 2) # S0
|
|
offset = 4*3 + \disp
|
|
addl offset(%rsp, SRND), h # h = k + w + h # --
|
|
or c, y3 # y3 = a|c # MAJA
|
|
|
|
xor T1, y1 # y1 = (a>>22) ^ (a>>13) ^ (a>>2) # S0
|
|
mov a, T1 # T1 = a # MAJB
|
|
and b, y3 # y3 = (a|c)&b # MAJA
|
|
and c, T1 # T1 = a&c # MAJB
|
|
add y0, y2 # y2 = S1 + CH # --
|
|
|
|
|
|
add h, d # d = k + w + h + d # --
|
|
or T1, y3 # y3 = MAJ = (a|c)&b)|(a&c) # MAJ
|
|
add y1, h # h = k + w + h + S0 # --
|
|
|
|
add y2, d # d = k + w + h + d + S1 + CH = d + t1 # --
|
|
|
|
|
|
add y2, h # h = k + w + h + S0 + S1 + CH = t1 + S0# --
|
|
|
|
add y3, h # h = t1 + S0 + MAJ # --
|
|
|
|
ROTATE_ARGS
|
|
|
|
.endm
|
|
|
|
########################################################################
|
|
## void sha256_transform_rorx(struct sha256_state *state, const u8 *data, int blocks)
|
|
## arg 1 : pointer to state
|
|
## arg 2 : pointer to input data
|
|
## arg 3 : Num blocks
|
|
########################################################################
|
|
.text
|
|
SYM_FUNC_START(sha256_transform_rorx)
|
|
.align 32
|
|
pushq %rbx
|
|
pushq %r12
|
|
pushq %r13
|
|
pushq %r14
|
|
pushq %r15
|
|
|
|
push %rbp
|
|
mov %rsp, %rbp
|
|
|
|
subq $STACK_SIZE, %rsp
|
|
and $-32, %rsp # align rsp to 32 byte boundary
|
|
|
|
shl $6, NUM_BLKS # convert to bytes
|
|
jz done_hash
|
|
lea -64(INP, NUM_BLKS), NUM_BLKS # pointer to last block
|
|
mov NUM_BLKS, _INP_END(%rsp)
|
|
|
|
cmp NUM_BLKS, INP
|
|
je only_one_block
|
|
|
|
## load initial digest
|
|
mov (CTX), a
|
|
mov 4*1(CTX), b
|
|
mov 4*2(CTX), c
|
|
mov 4*3(CTX), d
|
|
mov 4*4(CTX), e
|
|
mov 4*5(CTX), f
|
|
mov 4*6(CTX), g
|
|
mov 4*7(CTX), h
|
|
|
|
vmovdqa PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
|
|
vmovdqa _SHUF_00BA(%rip), SHUF_00BA
|
|
vmovdqa _SHUF_DC00(%rip), SHUF_DC00
|
|
|
|
mov CTX, _CTX(%rsp)
|
|
|
|
loop0:
|
|
## Load first 16 dwords from two blocks
|
|
VMOVDQ 0*32(INP),XTMP0
|
|
VMOVDQ 1*32(INP),XTMP1
|
|
VMOVDQ 2*32(INP),XTMP2
|
|
VMOVDQ 3*32(INP),XTMP3
|
|
|
|
## byte swap data
|
|
vpshufb BYTE_FLIP_MASK, XTMP0, XTMP0
|
|
vpshufb BYTE_FLIP_MASK, XTMP1, XTMP1
|
|
vpshufb BYTE_FLIP_MASK, XTMP2, XTMP2
|
|
vpshufb BYTE_FLIP_MASK, XTMP3, XTMP3
|
|
|
|
## transpose data into high/low halves
|
|
vperm2i128 $0x20, XTMP2, XTMP0, X0
|
|
vperm2i128 $0x31, XTMP2, XTMP0, X1
|
|
vperm2i128 $0x20, XTMP3, XTMP1, X2
|
|
vperm2i128 $0x31, XTMP3, XTMP1, X3
|
|
|
|
last_block_enter:
|
|
add $64, INP
|
|
mov INP, _INP(%rsp)
|
|
|
|
## schedule 48 input dwords, by doing 3 rounds of 12 each
|
|
xor SRND, SRND
|
|
|
|
.align 16
|
|
loop1:
|
|
vpaddd K256+0*32(SRND), X0, XFER
|
|
vmovdqa XFER, 0*32+_XFER(%rsp, SRND)
|
|
FOUR_ROUNDS_AND_SCHED _XFER + 0*32
|
|
|
|
vpaddd K256+1*32(SRND), X0, XFER
|
|
vmovdqa XFER, 1*32+_XFER(%rsp, SRND)
|
|
FOUR_ROUNDS_AND_SCHED _XFER + 1*32
|
|
|
|
vpaddd K256+2*32(SRND), X0, XFER
|
|
vmovdqa XFER, 2*32+_XFER(%rsp, SRND)
|
|
FOUR_ROUNDS_AND_SCHED _XFER + 2*32
|
|
|
|
vpaddd K256+3*32(SRND), X0, XFER
|
|
vmovdqa XFER, 3*32+_XFER(%rsp, SRND)
|
|
FOUR_ROUNDS_AND_SCHED _XFER + 3*32
|
|
|
|
add $4*32, SRND
|
|
cmp $3*4*32, SRND
|
|
jb loop1
|
|
|
|
loop2:
|
|
## Do last 16 rounds with no scheduling
|
|
vpaddd K256+0*32(SRND), X0, XFER
|
|
vmovdqa XFER, 0*32+_XFER(%rsp, SRND)
|
|
DO_4ROUNDS _XFER + 0*32
|
|
|
|
vpaddd K256+1*32(SRND), X1, XFER
|
|
vmovdqa XFER, 1*32+_XFER(%rsp, SRND)
|
|
DO_4ROUNDS _XFER + 1*32
|
|
add $2*32, SRND
|
|
|
|
vmovdqa X2, X0
|
|
vmovdqa X3, X1
|
|
|
|
cmp $4*4*32, SRND
|
|
jb loop2
|
|
|
|
mov _CTX(%rsp), CTX
|
|
mov _INP(%rsp), INP
|
|
|
|
addm (4*0)(CTX),a
|
|
addm (4*1)(CTX),b
|
|
addm (4*2)(CTX),c
|
|
addm (4*3)(CTX),d
|
|
addm (4*4)(CTX),e
|
|
addm (4*5)(CTX),f
|
|
addm (4*6)(CTX),g
|
|
addm (4*7)(CTX),h
|
|
|
|
cmp _INP_END(%rsp), INP
|
|
ja done_hash
|
|
|
|
#### Do second block using previously scheduled results
|
|
xor SRND, SRND
|
|
.align 16
|
|
loop3:
|
|
DO_4ROUNDS _XFER + 0*32 + 16
|
|
DO_4ROUNDS _XFER + 1*32 + 16
|
|
add $2*32, SRND
|
|
cmp $4*4*32, SRND
|
|
jb loop3
|
|
|
|
mov _CTX(%rsp), CTX
|
|
mov _INP(%rsp), INP
|
|
add $64, INP
|
|
|
|
addm (4*0)(CTX),a
|
|
addm (4*1)(CTX),b
|
|
addm (4*2)(CTX),c
|
|
addm (4*3)(CTX),d
|
|
addm (4*4)(CTX),e
|
|
addm (4*5)(CTX),f
|
|
addm (4*6)(CTX),g
|
|
addm (4*7)(CTX),h
|
|
|
|
cmp _INP_END(%rsp), INP
|
|
jb loop0
|
|
ja done_hash
|
|
|
|
do_last_block:
|
|
VMOVDQ 0*16(INP),XWORD0
|
|
VMOVDQ 1*16(INP),XWORD1
|
|
VMOVDQ 2*16(INP),XWORD2
|
|
VMOVDQ 3*16(INP),XWORD3
|
|
|
|
vpshufb X_BYTE_FLIP_MASK, XWORD0, XWORD0
|
|
vpshufb X_BYTE_FLIP_MASK, XWORD1, XWORD1
|
|
vpshufb X_BYTE_FLIP_MASK, XWORD2, XWORD2
|
|
vpshufb X_BYTE_FLIP_MASK, XWORD3, XWORD3
|
|
|
|
jmp last_block_enter
|
|
|
|
only_one_block:
|
|
|
|
## load initial digest
|
|
mov (4*0)(CTX),a
|
|
mov (4*1)(CTX),b
|
|
mov (4*2)(CTX),c
|
|
mov (4*3)(CTX),d
|
|
mov (4*4)(CTX),e
|
|
mov (4*5)(CTX),f
|
|
mov (4*6)(CTX),g
|
|
mov (4*7)(CTX),h
|
|
|
|
vmovdqa PSHUFFLE_BYTE_FLIP_MASK(%rip), BYTE_FLIP_MASK
|
|
vmovdqa _SHUF_00BA(%rip), SHUF_00BA
|
|
vmovdqa _SHUF_DC00(%rip), SHUF_DC00
|
|
|
|
mov CTX, _CTX(%rsp)
|
|
jmp do_last_block
|
|
|
|
done_hash:
|
|
|
|
mov %rbp, %rsp
|
|
pop %rbp
|
|
|
|
popq %r15
|
|
popq %r14
|
|
popq %r13
|
|
popq %r12
|
|
popq %rbx
|
|
vzeroupper
|
|
RET
|
|
SYM_FUNC_END(sha256_transform_rorx)
|
|
|
|
.section .rodata.cst512.K256, "aM", @progbits, 512
|
|
.align 64
|
|
K256:
|
|
.long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
|
|
.long 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
|
|
.long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
|
|
.long 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
|
|
.long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
|
|
.long 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
|
|
.long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
|
|
.long 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
|
|
.long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
|
|
.long 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
|
|
.long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
|
|
.long 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
|
|
.long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
|
|
.long 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
|
|
.long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
|
|
.long 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
|
|
.long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
|
|
.long 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
|
|
.long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
|
|
.long 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
|
|
.long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
|
|
.long 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
|
|
.long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
|
|
.long 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
|
|
.long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
|
|
.long 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
|
|
.long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
|
|
.long 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
|
|
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
|
|
.long 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
|
|
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
|
|
.long 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
|
|
|
|
.section .rodata.cst32.PSHUFFLE_BYTE_FLIP_MASK, "aM", @progbits, 32
|
|
.align 32
|
|
PSHUFFLE_BYTE_FLIP_MASK:
|
|
.octa 0x0c0d0e0f08090a0b0405060700010203,0x0c0d0e0f08090a0b0405060700010203
|
|
|
|
# shuffle xBxA -> 00BA
|
|
.section .rodata.cst32._SHUF_00BA, "aM", @progbits, 32
|
|
.align 32
|
|
_SHUF_00BA:
|
|
.octa 0xFFFFFFFFFFFFFFFF0b0a090803020100,0xFFFFFFFFFFFFFFFF0b0a090803020100
|
|
|
|
# shuffle xDxC -> DC00
|
|
.section .rodata.cst32._SHUF_DC00, "aM", @progbits, 32
|
|
.align 32
|
|
_SHUF_DC00:
|
|
.octa 0x0b0a090803020100FFFFFFFFFFFFFFFF,0x0b0a090803020100FFFFFFFFFFFFFFFF
|