;; ;; 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. ;; ;; code to compute oct SHA256 using SSE-256 ;; outer calling routine takes care of save and restore of XMM registers ;; Logic designed/laid out by JDG ;; Function clobbers: rax, rcx, rdx, rbx, rsi, rdi, r9-r15; ymm0-15 ;; Stack must be aligned to 32 bytes before call ;; Windows clobbers: rax rbx rdx rsi rdi r8 r9 r10 r11 r12 r13 r14 ;; Windows preserves: rcx rbp r15 ;; ;; Linux clobbers: rax rbx rcx rdx rsi r8 r9 r10 r11 r12 r13 r14 ;; Linux preserves: rdi rbp r15 ;; ;; clobbers ymm0-15 %include "include/os.asm" ;%define DO_DBGPRINT %include "include/dbgprint.asm" %include "mb_mgr_datastruct.asm" %include "include/transpose_avx2.asm" section .data default rel align 64 ;global K256_8 K256_8: dq 0x428a2f98428a2f98, 0x428a2f98428a2f98 dq 0x428a2f98428a2f98, 0x428a2f98428a2f98 dq 0x7137449171374491, 0x7137449171374491 dq 0x7137449171374491, 0x7137449171374491 dq 0xb5c0fbcfb5c0fbcf, 0xb5c0fbcfb5c0fbcf dq 0xb5c0fbcfb5c0fbcf, 0xb5c0fbcfb5c0fbcf dq 0xe9b5dba5e9b5dba5, 0xe9b5dba5e9b5dba5 dq 0xe9b5dba5e9b5dba5, 0xe9b5dba5e9b5dba5 dq 0x3956c25b3956c25b, 0x3956c25b3956c25b dq 0x3956c25b3956c25b, 0x3956c25b3956c25b dq 0x59f111f159f111f1, 0x59f111f159f111f1 dq 0x59f111f159f111f1, 0x59f111f159f111f1 dq 0x923f82a4923f82a4, 0x923f82a4923f82a4 dq 0x923f82a4923f82a4, 0x923f82a4923f82a4 dq 0xab1c5ed5ab1c5ed5, 0xab1c5ed5ab1c5ed5 dq 0xab1c5ed5ab1c5ed5, 0xab1c5ed5ab1c5ed5 dq 0xd807aa98d807aa98, 0xd807aa98d807aa98 dq 0xd807aa98d807aa98, 0xd807aa98d807aa98 dq 0x12835b0112835b01, 0x12835b0112835b01 dq 0x12835b0112835b01, 0x12835b0112835b01 dq 0x243185be243185be, 0x243185be243185be dq 0x243185be243185be, 0x243185be243185be dq 0x550c7dc3550c7dc3, 0x550c7dc3550c7dc3 dq 0x550c7dc3550c7dc3, 0x550c7dc3550c7dc3 dq 0x72be5d7472be5d74, 0x72be5d7472be5d74 dq 0x72be5d7472be5d74, 0x72be5d7472be5d74 dq 0x80deb1fe80deb1fe, 0x80deb1fe80deb1fe dq 0x80deb1fe80deb1fe, 0x80deb1fe80deb1fe dq 0x9bdc06a79bdc06a7, 0x9bdc06a79bdc06a7 dq 0x9bdc06a79bdc06a7, 0x9bdc06a79bdc06a7 dq 0xc19bf174c19bf174, 0xc19bf174c19bf174 dq 0xc19bf174c19bf174, 0xc19bf174c19bf174 dq 0xe49b69c1e49b69c1, 0xe49b69c1e49b69c1 dq 0xe49b69c1e49b69c1, 0xe49b69c1e49b69c1 dq 0xefbe4786efbe4786, 0xefbe4786efbe4786 dq 0xefbe4786efbe4786, 0xefbe4786efbe4786 dq 0x0fc19dc60fc19dc6, 0x0fc19dc60fc19dc6 dq 0x0fc19dc60fc19dc6, 0x0fc19dc60fc19dc6 dq 0x240ca1cc240ca1cc, 0x240ca1cc240ca1cc dq 0x240ca1cc240ca1cc, 0x240ca1cc240ca1cc dq 0x2de92c6f2de92c6f, 0x2de92c6f2de92c6f dq 0x2de92c6f2de92c6f, 0x2de92c6f2de92c6f dq 0x4a7484aa4a7484aa, 0x4a7484aa4a7484aa dq 0x4a7484aa4a7484aa, 0x4a7484aa4a7484aa dq 0x5cb0a9dc5cb0a9dc, 0x5cb0a9dc5cb0a9dc dq 0x5cb0a9dc5cb0a9dc, 0x5cb0a9dc5cb0a9dc dq 0x76f988da76f988da, 0x76f988da76f988da dq 0x76f988da76f988da, 0x76f988da76f988da dq 0x983e5152983e5152, 0x983e5152983e5152 dq 0x983e5152983e5152, 0x983e5152983e5152 dq 0xa831c66da831c66d, 0xa831c66da831c66d dq 0xa831c66da831c66d, 0xa831c66da831c66d dq 0xb00327c8b00327c8, 0xb00327c8b00327c8 dq 0xb00327c8b00327c8, 0xb00327c8b00327c8 dq 0xbf597fc7bf597fc7, 0xbf597fc7bf597fc7 dq 0xbf597fc7bf597fc7, 0xbf597fc7bf597fc7 dq 0xc6e00bf3c6e00bf3, 0xc6e00bf3c6e00bf3 dq 0xc6e00bf3c6e00bf3, 0xc6e00bf3c6e00bf3 dq 0xd5a79147d5a79147, 0xd5a79147d5a79147 dq 0xd5a79147d5a79147, 0xd5a79147d5a79147 dq 0x06ca635106ca6351, 0x06ca635106ca6351 dq 0x06ca635106ca6351, 0x06ca635106ca6351 dq 0x1429296714292967, 0x1429296714292967 dq 0x1429296714292967, 0x1429296714292967 dq 0x27b70a8527b70a85, 0x27b70a8527b70a85 dq 0x27b70a8527b70a85, 0x27b70a8527b70a85 dq 0x2e1b21382e1b2138, 0x2e1b21382e1b2138 dq 0x2e1b21382e1b2138, 0x2e1b21382e1b2138 dq 0x4d2c6dfc4d2c6dfc, 0x4d2c6dfc4d2c6dfc dq 0x4d2c6dfc4d2c6dfc, 0x4d2c6dfc4d2c6dfc dq 0x53380d1353380d13, 0x53380d1353380d13 dq 0x53380d1353380d13, 0x53380d1353380d13 dq 0x650a7354650a7354, 0x650a7354650a7354 dq 0x650a7354650a7354, 0x650a7354650a7354 dq 0x766a0abb766a0abb, 0x766a0abb766a0abb dq 0x766a0abb766a0abb, 0x766a0abb766a0abb dq 0x81c2c92e81c2c92e, 0x81c2c92e81c2c92e dq 0x81c2c92e81c2c92e, 0x81c2c92e81c2c92e dq 0x92722c8592722c85, 0x92722c8592722c85 dq 0x92722c8592722c85, 0x92722c8592722c85 dq 0xa2bfe8a1a2bfe8a1, 0xa2bfe8a1a2bfe8a1 dq 0xa2bfe8a1a2bfe8a1, 0xa2bfe8a1a2bfe8a1 dq 0xa81a664ba81a664b, 0xa81a664ba81a664b dq 0xa81a664ba81a664b, 0xa81a664ba81a664b dq 0xc24b8b70c24b8b70, 0xc24b8b70c24b8b70 dq 0xc24b8b70c24b8b70, 0xc24b8b70c24b8b70 dq 0xc76c51a3c76c51a3, 0xc76c51a3c76c51a3 dq 0xc76c51a3c76c51a3, 0xc76c51a3c76c51a3 dq 0xd192e819d192e819, 0xd192e819d192e819 dq 0xd192e819d192e819, 0xd192e819d192e819 dq 0xd6990624d6990624, 0xd6990624d6990624 dq 0xd6990624d6990624, 0xd6990624d6990624 dq 0xf40e3585f40e3585, 0xf40e3585f40e3585 dq 0xf40e3585f40e3585, 0xf40e3585f40e3585 dq 0x106aa070106aa070, 0x106aa070106aa070 dq 0x106aa070106aa070, 0x106aa070106aa070 dq 0x19a4c11619a4c116, 0x19a4c11619a4c116 dq 0x19a4c11619a4c116, 0x19a4c11619a4c116 dq 0x1e376c081e376c08, 0x1e376c081e376c08 dq 0x1e376c081e376c08, 0x1e376c081e376c08 dq 0x2748774c2748774c, 0x2748774c2748774c dq 0x2748774c2748774c, 0x2748774c2748774c dq 0x34b0bcb534b0bcb5, 0x34b0bcb534b0bcb5 dq 0x34b0bcb534b0bcb5, 0x34b0bcb534b0bcb5 dq 0x391c0cb3391c0cb3, 0x391c0cb3391c0cb3 dq 0x391c0cb3391c0cb3, 0x391c0cb3391c0cb3 dq 0x4ed8aa4a4ed8aa4a, 0x4ed8aa4a4ed8aa4a dq 0x4ed8aa4a4ed8aa4a, 0x4ed8aa4a4ed8aa4a dq 0x5b9cca4f5b9cca4f, 0x5b9cca4f5b9cca4f dq 0x5b9cca4f5b9cca4f, 0x5b9cca4f5b9cca4f dq 0x682e6ff3682e6ff3, 0x682e6ff3682e6ff3 dq 0x682e6ff3682e6ff3, 0x682e6ff3682e6ff3 dq 0x748f82ee748f82ee, 0x748f82ee748f82ee dq 0x748f82ee748f82ee, 0x748f82ee748f82ee dq 0x78a5636f78a5636f, 0x78a5636f78a5636f dq 0x78a5636f78a5636f, 0x78a5636f78a5636f dq 0x84c8781484c87814, 0x84c8781484c87814 dq 0x84c8781484c87814, 0x84c8781484c87814 dq 0x8cc702088cc70208, 0x8cc702088cc70208 dq 0x8cc702088cc70208, 0x8cc702088cc70208 dq 0x90befffa90befffa, 0x90befffa90befffa dq 0x90befffa90befffa, 0x90befffa90befffa dq 0xa4506ceba4506ceb, 0xa4506ceba4506ceb dq 0xa4506ceba4506ceb, 0xa4506ceba4506ceb dq 0xbef9a3f7bef9a3f7, 0xbef9a3f7bef9a3f7 dq 0xbef9a3f7bef9a3f7, 0xbef9a3f7bef9a3f7 dq 0xc67178f2c67178f2, 0xc67178f2c67178f2 dq 0xc67178f2c67178f2, 0xc67178f2c67178f2 PSHUFFLE_BYTE_FLIP_MASK: ;ddq 0x0c0d0e0f08090a0b0405060700010203 ;ddq 0x0c0d0e0f08090a0b0405060700010203 dq 0x0405060700010203, 0x0c0d0e0f08090a0b dq 0x0405060700010203, 0x0c0d0e0f08090a0b align 64 MKGLOBAL(K256,data,internal) 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 section .text %ifdef LINUX %define arg1 rdi %define arg2 rsi %define reg3 rcx %define reg4 rdx %else ; Windows definitions %define arg1 rcx %define arg2 rdx %define reg3 rsi %define reg4 rdi %endif ; Common definitions %define STATE arg1 %define INP_SIZE arg2 %define IDX rax %define ROUND rbx %define TBL reg3 %define inp0 r9 %define inp1 r10 %define inp2 r11 %define inp3 r12 %define inp4 r13 %define inp5 r14 %define inp6 r8 %define inp7 reg4 ; ymm0 a ; ymm1 b ; ymm2 c ; ymm3 d ; ymm4 e ; ymm5 f ; ymm6 g TMP0 ; ymm7 h TMP1 ; ymm8 T1 TT0 ; ymm9 TT1 ; ymm10 TT2 ; ymm11 TT3 ; ymm12 a0 TT4 ; ymm13 a1 TT5 ; ymm14 a2 TT6 ; ymm15 TMP TT7 %define a ymm0 %define b ymm1 %define c ymm2 %define d ymm3 %define e ymm4 %define f ymm5 %define g ymm6 %define h ymm7 %define T1 ymm8 %define a0 ymm12 %define a1 ymm13 %define a2 ymm14 %define TMP ymm15 %define TMP0 ymm6 %define TMP1 ymm7 %define TT0 ymm8 %define TT1 ymm9 %define TT2 ymm10 %define TT3 ymm11 %define TT4 ymm12 %define TT5 ymm13 %define TT6 ymm14 %define TT7 ymm15 %define SZ8 8*SHA256_DIGEST_WORD_SIZE ; Size of one vector register %define ROUNDS 64*SZ8 ; Define stack usage ;; Assume stack aligned to 32 bytes before call ;; Therefore FRAMESZ mod 32 must be 32-8 = 24 struc stack_frame .data resb 16*SZ8 .digest resb 8*SZ8 .ytmp resb 4*SZ8 .align resb 24 endstruc %define FRAMESZ stack_frame_size %define _DIGEST stack_frame.digest %define _YTMP stack_frame.ytmp %define YTMP0 rsp + _YTMP + 0*SZ8 %define YTMP1 rsp + _YTMP + 1*SZ8 %define YTMP2 rsp + _YTMP + 2*SZ8 %define YTMP3 rsp + _YTMP + 3*SZ8 %define VMOVPS vmovups %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 ; PRORD reg, imm, tmp %macro PRORD 3 %define %%reg %1 %define %%imm %2 %define %%tmp %3 vpslld %%tmp, %%reg, (32-(%%imm)) vpsrld %%reg, %%reg, %%imm vpor %%reg, %%reg, %%tmp %endmacro ; non-destructive ; PRORD_nd reg, imm, tmp, src %macro PRORD_nd 4 %define %%reg %1 %define %%imm %2 %define %%tmp %3 %define %%src %4 ;vmovdqa %%tmp, %%reg vpslld %%tmp, %%src, (32-(%%imm)) vpsrld %%reg, %%src, %%imm vpor %%reg, %%reg, %%tmp %endmacro ; PRORD dst/src, amt %macro PRORD 2 PRORD %1, %2, TMP %endmacro ; PRORD_nd dst, src, amt %macro PRORD_nd 3 PRORD_nd %1, %3, TMP, %2 %endmacro ;; arguments passed implicitly in preprocessor symbols i, a...h %macro ROUND_00_15 2 %define %%T1 %1 %define %%i %2 PRORD_nd a0, e, (11-6) ; sig1: a0 = (e >> 5) vpxor a2, f, g ; ch: a2 = f^g vpand a2, a2, e ; ch: a2 = (f^g)&e vpxor a2, a2, g ; a2 = ch PRORD_nd a1, e, 25 ; sig1: a1 = (e >> 25) vmovdqa [SZ8*(%%i&0xf) + rsp], %%T1 vpaddd %%T1, %%T1, [TBL + ROUND] ; T1 = W + K vpxor a0, a0, e ; sig1: a0 = e ^ (e >> 5) PRORD a0, 6 ; sig1: a0 = (e >> 6) ^ (e >> 11) vpaddd h, h, a2 ; h = h + ch PRORD_nd a2, a, (13-2) ; sig0: a2 = (a >> 11) vpaddd h, h, %%T1 ; h = h + ch + W + K vpxor a0, a0, a1 ; a0 = sigma1 PRORD_nd a1, a, 22 ; sig0: a1 = (a >> 22) vpxor %%T1, a, c ; maj: T1 = a^c add ROUND, SZ8 ; ROUND++ vpand %%T1, %%T1, b ; maj: T1 = (a^c)&b vpaddd h, h, a0 vpaddd d, d, h vpxor a2, a2, a ; sig0: a2 = a ^ (a >> 11) PRORD a2, 2 ; sig0: a2 = (a >> 2) ^ (a >> 13) vpxor a2, a2, a1 ; a2 = sig0 vpand a1, a, c ; maj: a1 = a&c vpor a1, a1, %%T1 ; a1 = maj vpaddd h, h, a1 ; h = h + ch + W + K + maj vpaddd h, h, a2 ; h = h + ch + W + K + maj + sigma0 ROTATE_ARGS %endm ;; arguments passed implicitly in preprocessor symbols i, a...h %macro ROUND_16_XX 2 %define %%T1 %1 %define %%i %2 vmovdqa %%T1, [SZ8*((%%i-15)&0xf) + rsp] vmovdqa a1, [SZ8*((%%i-2)&0xf) + rsp] vmovdqa a0, %%T1 PRORD %%T1, 18-7 vmovdqa a2, a1 PRORD a1, 19-17 vpxor %%T1, %%T1, a0 PRORD %%T1, 7 vpxor a1, a1, a2 PRORD a1, 17 vpsrld a0, a0, 3 vpxor %%T1, %%T1, a0 vpsrld a2, a2, 10 vpxor a1, a1, a2 vpaddd %%T1, %%T1, [SZ8*((%%i-16)&0xf) + rsp] vpaddd a1, a1, [SZ8*((%%i-7)&0xf) + rsp] vpaddd %%T1, %%T1, a1 ROUND_00_15 %%T1, %%i %endm ;; SHA256_ARGS: ;; UINT128 digest[8]; // transposed digests ;; UINT8 *data_ptr[4]; ;; ;; void sha256_oct_avx2(SHA256_ARGS *args, UINT64 bytes); ;; arg 1 : STATE : pointer to array of pointers to input data ;; arg 2 : INP_SIZE : size of input in blocks MKGLOBAL(sha256_oct_avx2,function,internal) align 16 sha256_oct_avx2: ; general registers preserved in outer calling routine ; outer calling routine saves all the XMM registers sub rsp, FRAMESZ ;; Load the pre-transposed incoming digest. vmovdqu a,[STATE + 0*SHA256_DIGEST_ROW_SIZE] vmovdqu b,[STATE + 1*SHA256_DIGEST_ROW_SIZE] vmovdqu c,[STATE + 2*SHA256_DIGEST_ROW_SIZE] vmovdqu d,[STATE + 3*SHA256_DIGEST_ROW_SIZE] vmovdqu e,[STATE + 4*SHA256_DIGEST_ROW_SIZE] vmovdqu f,[STATE + 5*SHA256_DIGEST_ROW_SIZE] vmovdqu g,[STATE + 6*SHA256_DIGEST_ROW_SIZE] vmovdqu h,[STATE + 7*SHA256_DIGEST_ROW_SIZE] lea TBL,[rel K256_8] ;; load the address of each of the 4 message lanes ;; getting ready to transpose input onto stack mov inp0,[STATE + _data_ptr_sha256 + 0*PTR_SZ] mov inp1,[STATE + _data_ptr_sha256 + 1*PTR_SZ] mov inp2,[STATE + _data_ptr_sha256 + 2*PTR_SZ] mov inp3,[STATE + _data_ptr_sha256 + 3*PTR_SZ] mov inp4,[STATE + _data_ptr_sha256 + 4*PTR_SZ] mov inp5,[STATE + _data_ptr_sha256 + 5*PTR_SZ] mov inp6,[STATE + _data_ptr_sha256 + 6*PTR_SZ] mov inp7,[STATE + _data_ptr_sha256 + 7*PTR_SZ] xor IDX, IDX lloop: xor ROUND, ROUND ;; save old digest vmovdqa [rsp + _DIGEST + 0*SZ8], a vmovdqa [rsp + _DIGEST + 1*SZ8], b vmovdqa [rsp + _DIGEST + 2*SZ8], c vmovdqa [rsp + _DIGEST + 3*SZ8], d vmovdqa [rsp + _DIGEST + 4*SZ8], e vmovdqa [rsp + _DIGEST + 5*SZ8], f vmovdqa [rsp + _DIGEST + 6*SZ8], g vmovdqa [rsp + _DIGEST + 7*SZ8], h DBGPRINTL_YMM "transposed digest ", a,b,c,d,e,f,g,h %assign i 0 %rep 2 TRANSPOSE8_U32_LOAD8 TT0, TT1, TT2, TT3, TT4, TT5, TT6, TT7, \ inp0, inp1, inp2, inp3, inp4, inp5, \ inp6, inp7, IDX+i*32 vmovdqa [YTMP0], g vmovdqa [YTMP1], h TRANSPOSE8_U32 TT0, TT1, TT2, TT3, TT4, TT5, TT6, TT7, TMP0, TMP1 DBGPRINTL_YMM "transposed input ", TT0, TT1, TT2, TT3, TT4, TT5, TT6, TT7 vmovdqa TMP1, [rel PSHUFFLE_BYTE_FLIP_MASK] vmovdqa g, [YTMP0] vpshufb TT0, TT0, TMP1 vpshufb TT1, TT1, TMP1 vpshufb TT2, TT2, TMP1 vpshufb TT3, TT3, TMP1 vpshufb TT4, TT4, TMP1 vpshufb TT5, TT5, TMP1 vpshufb TT6, TT6, TMP1 vpshufb TT7, TT7, TMP1 vmovdqa h, [YTMP1] vmovdqa [YTMP0], TT4 vmovdqa [YTMP1], TT5 vmovdqa [YTMP2], TT6 vmovdqa [YTMP3], TT7 ROUND_00_15 TT0,(i*8+0) vmovdqa TT0, [YTMP0] ROUND_00_15 TT1,(i*8+1) vmovdqa TT1, [YTMP1] ROUND_00_15 TT2,(i*8+2) vmovdqa TT2, [YTMP2] ROUND_00_15 TT3,(i*8+3) vmovdqa TT3, [YTMP3] ROUND_00_15 TT0,(i*8+4) ROUND_00_15 TT1,(i*8+5) ROUND_00_15 TT2,(i*8+6) ROUND_00_15 TT3,(i*8+7) %assign i (i+1) %endrep add IDX, 4*4*4 %assign i (i*8) jmp Lrounds_16_xx align 16 Lrounds_16_xx: %rep 16 ROUND_16_XX T1, i %assign i (i+1) %endrep cmp ROUND,ROUNDS jb Lrounds_16_xx ;; add old digest vpaddd a, a, [rsp + _DIGEST + 0*SZ8] vpaddd b, b, [rsp + _DIGEST + 1*SZ8] vpaddd c, c, [rsp + _DIGEST + 2*SZ8] vpaddd d, d, [rsp + _DIGEST + 3*SZ8] vpaddd e, e, [rsp + _DIGEST + 4*SZ8] vpaddd f, f, [rsp + _DIGEST + 5*SZ8] vpaddd g, g, [rsp + _DIGEST + 6*SZ8] vpaddd h, h, [rsp + _DIGEST + 7*SZ8] sub INP_SIZE, 1 ;; unit is blocks jne lloop ; write back to memory (state object) the transposed digest vmovdqu [STATE + 0*SHA256_DIGEST_ROW_SIZE],a vmovdqu [STATE + 1*SHA256_DIGEST_ROW_SIZE],b vmovdqu [STATE + 2*SHA256_DIGEST_ROW_SIZE],c vmovdqu [STATE + 3*SHA256_DIGEST_ROW_SIZE],d vmovdqu [STATE + 4*SHA256_DIGEST_ROW_SIZE],e vmovdqu [STATE + 5*SHA256_DIGEST_ROW_SIZE],f vmovdqu [STATE + 6*SHA256_DIGEST_ROW_SIZE],g vmovdqu [STATE + 7*SHA256_DIGEST_ROW_SIZE],h DBGPRINTL_YMM "sha256 digest on exit ", a,b,c,d,e,f,g,h ; update input pointers add inp0, IDX mov [STATE + _data_ptr_sha256 + 0*8], inp0 add inp1, IDX mov [STATE + _data_ptr_sha256 + 1*8], inp1 add inp2, IDX mov [STATE + _data_ptr_sha256 + 2*8], inp2 add inp3, IDX mov [STATE + _data_ptr_sha256 + 3*8], inp3 add inp4, IDX mov [STATE + _data_ptr_sha256 + 4*8], inp4 add inp5, IDX mov [STATE + _data_ptr_sha256 + 5*8], inp5 add inp6, IDX mov [STATE + _data_ptr_sha256 + 6*8], inp6 add inp7, IDX mov [STATE + _data_ptr_sha256 + 7*8], inp7 ;;;;;;;;;;;;;;;; ;; Postamble %ifdef SAFE_DATA ;; Clear stack frame ((16+8+4)*32 bytes) vpxor ymm0, ymm0 %assign i 0 %rep (16+8+4) vmovdqa [rsp + i*SZ8], ymm0 %assign i (i+1) %endrep %endif add rsp, FRAMESZ ret %ifdef LINUX section .note.GNU-stack noalloc noexec nowrite progbits %endif