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distribution/vendor/github.com/stevvooe/resumable/sha512/sha512block_amd64.s
Stephen J Day f01bcc8f62
vendor: update resumable dependency 
Updates resumable hash implementation to Go 1.8 equivalent. This should
be a major speedup, since it includes a number of optimizations from Go
1.7.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-05-16 15:12:58 -07:00

274 lines
10 KiB
ArmAsm
Raw Blame History

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "textflag.h"
// SHA512 block routine. See sha512block.go for Go equivalent.
//
// The algorithm is detailed in FIPS 180-4:
//
// http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
//
// Wt = Mt; for 0 <= t <= 15
// Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 79
//
// a = H0
// b = H1
// c = H2
// d = H3
// e = H4
// f = H5
// g = H6
// h = H7
//
// for t = 0 to 79 {
// T1 = h + BIGSIGMA1(e) + Ch(e,f,g) + Kt + Wt
// T2 = BIGSIGMA0(a) + Maj(a,b,c)
// h = g
// g = f
// f = e
// e = d + T1
// d = c
// c = b
// b = a
// a = T1 + T2
// }
//
// H0 = a + H0
// H1 = b + H1
// H2 = c + H2
// H3 = d + H3
// H4 = e + H4
// H5 = f + H5
// H6 = g + H6
// H7 = h + H7
// Wt = Mt; for 0 <= t <= 15
#define MSGSCHEDULE0(index) \
MOVQ (index*8)(SI), AX; \
BSWAPQ AX; \
MOVQ AX, (index*8)(BP)
// Wt = SIGMA1(Wt-2) + Wt-7 + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 79
// SIGMA0(x) = ROTR(1,x) XOR ROTR(8,x) XOR SHR(7,x)
// SIGMA1(x) = ROTR(19,x) XOR ROTR(61,x) XOR SHR(6,x)
#define MSGSCHEDULE1(index) \
MOVQ ((index-2)*8)(BP), AX; \
MOVQ AX, CX; \
RORQ $19, AX; \
MOVQ CX, DX; \
RORQ $61, CX; \
SHRQ $6, DX; \
MOVQ ((index-15)*8)(BP), BX; \
XORQ CX, AX; \
MOVQ BX, CX; \
XORQ DX, AX; \
RORQ $1, BX; \
MOVQ CX, DX; \
SHRQ $7, DX; \
RORQ $8, CX; \
ADDQ ((index-7)*8)(BP), AX; \
XORQ CX, BX; \
XORQ DX, BX; \
ADDQ ((index-16)*8)(BP), BX; \
ADDQ BX, AX; \
MOVQ AX, ((index)*8)(BP)
// Calculate T1 in AX - uses AX, CX and DX registers.
// h is also used as an accumulator. Wt is passed in AX.
// T1 = h + BIGSIGMA1(e) + Ch(e, f, g) + Kt + Wt
// BIGSIGMA1(x) = ROTR(14,x) XOR ROTR(18,x) XOR ROTR(41,x)
// Ch(x, y, z) = (x AND y) XOR (NOT x AND z)
#define SHA512T1(const, e, f, g, h) \
MOVQ $const, DX; \
ADDQ AX, h; \
MOVQ e, AX; \
ADDQ DX, h; \
MOVQ e, CX; \
RORQ $14, AX; \
MOVQ e, DX; \
RORQ $18, CX; \
XORQ CX, AX; \
MOVQ e, CX; \
RORQ $41, DX; \
ANDQ f, CX; \
XORQ AX, DX; \
MOVQ e, AX; \
NOTQ AX; \
ADDQ DX, h; \
ANDQ g, AX; \
XORQ CX, AX; \
ADDQ h, AX
// Calculate T2 in BX - uses BX, CX, DX and DI registers.
// T2 = BIGSIGMA0(a) + Maj(a, b, c)
// BIGSIGMA0(x) = ROTR(28,x) XOR ROTR(34,x) XOR ROTR(39,x)
// Maj(x, y, z) = (x AND y) XOR (x AND z) XOR (y AND z)
#define SHA512T2(a, b, c) \
MOVQ a, DI; \
MOVQ c, BX; \
RORQ $28, DI; \
MOVQ a, DX; \
ANDQ b, BX; \
RORQ $34, DX; \
MOVQ a, CX; \
ANDQ c, CX; \
XORQ DX, DI; \
XORQ CX, BX; \
MOVQ a, DX; \
MOVQ b, CX; \
RORQ $39, DX; \
ANDQ a, CX; \
XORQ CX, BX; \
XORQ DX, DI; \
ADDQ DI, BX
// Calculate T1 and T2, then e = d + T1 and a = T1 + T2.
// The values for e and a are stored in d and h, ready for rotation.
#define SHA512ROUND(index, const, a, b, c, d, e, f, g, h) \
SHA512T1(const, e, f, g, h); \
SHA512T2(a, b, c); \
MOVQ BX, h; \
ADDQ AX, d; \
ADDQ AX, h
#define SHA512ROUND0(index, const, a, b, c, d, e, f, g, h) \
MSGSCHEDULE0(index); \
SHA512ROUND(index, const, a, b, c, d, e, f, g, h)
#define SHA512ROUND1(index, const, a, b, c, d, e, f, g, h) \
MSGSCHEDULE1(index); \
SHA512ROUND(index, const, a, b, c, d, e, f, g, h)
TEXT ·block(SB),0,$648-32
MOVQ p_base+8(FP), SI
MOVQ p_len+16(FP), DX
SHRQ $7, DX
SHLQ $7, DX
LEAQ (SI)(DX*1), DI
MOVQ DI, 640(SP)
CMPQ SI, DI
JEQ end
MOVQ dig+0(FP), BP
MOVQ (0*8)(BP), R8 // a = H0
MOVQ (1*8)(BP), R9 // b = H1
MOVQ (2*8)(BP), R10 // c = H2
MOVQ (3*8)(BP), R11 // d = H3
MOVQ (4*8)(BP), R12 // e = H4
MOVQ (5*8)(BP), R13 // f = H5
MOVQ (6*8)(BP), R14 // g = H6
MOVQ (7*8)(BP), R15 // h = H7
loop:
MOVQ SP, BP // message schedule
SHA512ROUND0(0, 0x428a2f98d728ae22, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND0(1, 0x7137449123ef65cd, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND0(2, 0xb5c0fbcfec4d3b2f, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND0(3, 0xe9b5dba58189dbbc, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND0(4, 0x3956c25bf348b538, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND0(5, 0x59f111f1b605d019, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND0(6, 0x923f82a4af194f9b, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND0(7, 0xab1c5ed5da6d8118, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND0(8, 0xd807aa98a3030242, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND0(9, 0x12835b0145706fbe, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND0(10, 0x243185be4ee4b28c, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND0(11, 0x550c7dc3d5ffb4e2, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND0(12, 0x72be5d74f27b896f, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND0(13, 0x80deb1fe3b1696b1, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND0(14, 0x9bdc06a725c71235, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND0(15, 0xc19bf174cf692694, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(16, 0xe49b69c19ef14ad2, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(17, 0xefbe4786384f25e3, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(18, 0x0fc19dc68b8cd5b5, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(19, 0x240ca1cc77ac9c65, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(20, 0x2de92c6f592b0275, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(21, 0x4a7484aa6ea6e483, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(22, 0x5cb0a9dcbd41fbd4, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(23, 0x76f988da831153b5, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(24, 0x983e5152ee66dfab, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(25, 0xa831c66d2db43210, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(26, 0xb00327c898fb213f, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(27, 0xbf597fc7beef0ee4, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(28, 0xc6e00bf33da88fc2, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(29, 0xd5a79147930aa725, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(30, 0x06ca6351e003826f, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(31, 0x142929670a0e6e70, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(32, 0x27b70a8546d22ffc, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(33, 0x2e1b21385c26c926, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(34, 0x4d2c6dfc5ac42aed, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(35, 0x53380d139d95b3df, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(36, 0x650a73548baf63de, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(37, 0x766a0abb3c77b2a8, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(38, 0x81c2c92e47edaee6, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(39, 0x92722c851482353b, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(40, 0xa2bfe8a14cf10364, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(41, 0xa81a664bbc423001, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(42, 0xc24b8b70d0f89791, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(43, 0xc76c51a30654be30, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(44, 0xd192e819d6ef5218, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(45, 0xd69906245565a910, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(46, 0xf40e35855771202a, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(47, 0x106aa07032bbd1b8, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(48, 0x19a4c116b8d2d0c8, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(49, 0x1e376c085141ab53, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(50, 0x2748774cdf8eeb99, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(51, 0x34b0bcb5e19b48a8, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(52, 0x391c0cb3c5c95a63, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(53, 0x4ed8aa4ae3418acb, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(54, 0x5b9cca4f7763e373, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(55, 0x682e6ff3d6b2b8a3, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(56, 0x748f82ee5defb2fc, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(57, 0x78a5636f43172f60, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(58, 0x84c87814a1f0ab72, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(59, 0x8cc702081a6439ec, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(60, 0x90befffa23631e28, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(61, 0xa4506cebde82bde9, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(62, 0xbef9a3f7b2c67915, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(63, 0xc67178f2e372532b, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(64, 0xca273eceea26619c, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(65, 0xd186b8c721c0c207, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(66, 0xeada7dd6cde0eb1e, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(67, 0xf57d4f7fee6ed178, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(68, 0x06f067aa72176fba, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(69, 0x0a637dc5a2c898a6, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(70, 0x113f9804bef90dae, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(71, 0x1b710b35131c471b, R9, R10, R11, R12, R13, R14, R15, R8)
SHA512ROUND1(72, 0x28db77f523047d84, R8, R9, R10, R11, R12, R13, R14, R15)
SHA512ROUND1(73, 0x32caab7b40c72493, R15, R8, R9, R10, R11, R12, R13, R14)
SHA512ROUND1(74, 0x3c9ebe0a15c9bebc, R14, R15, R8, R9, R10, R11, R12, R13)
SHA512ROUND1(75, 0x431d67c49c100d4c, R13, R14, R15, R8, R9, R10, R11, R12)
SHA512ROUND1(76, 0x4cc5d4becb3e42b6, R12, R13, R14, R15, R8, R9, R10, R11)
SHA512ROUND1(77, 0x597f299cfc657e2a, R11, R12, R13, R14, R15, R8, R9, R10)
SHA512ROUND1(78, 0x5fcb6fab3ad6faec, R10, R11, R12, R13, R14, R15, R8, R9)
SHA512ROUND1(79, 0x6c44198c4a475817, R9, R10, R11, R12, R13, R14, R15, R8)
MOVQ dig+0(FP), BP
ADDQ (0*8)(BP), R8 // H0 = a + H0
MOVQ R8, (0*8)(BP)
ADDQ (1*8)(BP), R9 // H1 = b + H1
MOVQ R9, (1*8)(BP)
ADDQ (2*8)(BP), R10 // H2 = c + H2
MOVQ R10, (2*8)(BP)
ADDQ (3*8)(BP), R11 // H3 = d + H3
MOVQ R11, (3*8)(BP)
ADDQ (4*8)(BP), R12 // H4 = e + H4
MOVQ R12, (4*8)(BP)
ADDQ (5*8)(BP), R13 // H5 = f + H5
MOVQ R13, (5*8)(BP)
ADDQ (6*8)(BP), R14 // H6 = g + H6
MOVQ R14, (6*8)(BP)
ADDQ (7*8)(BP), R15 // H7 = h + H7
MOVQ R15, (7*8)(BP)
ADDQ $128, SI
CMPQ SI, 640(SP)
JB loop
end:
RET
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