xgcl/sm/sm3/block.go

// Copyright (c) 2022 xdx. All Rights Reserved.
//
// Written by xdx (xdx@xdx.jelly).

package sm3

import (
	"encoding/binary"
)

// Size is the bytes of digest
const Size = 32

// BlockSize is the bytes of each block
const BlockSize = 64

const (
	chunk = 64
	init0 = 0x7380166f
	init1 = 0x4914b2b9
	init2 = 0x172442d7
	init3 = 0xda8a0600
	init4 = 0xa96f30bc
	init5 = 0x163138aa
	init6 = 0xe38dee4d
	init7 = 0xb0fb0e4e
)

const (
	magic         = "xdx-SM3\x00\x00\x00\x00\x00"
	marshaledSize = len(magic) + 4*8 + chunk + 8
)

func appendUint64(b []byte, x uint64) []byte {
	a := [8]byte{
		byte(x >> 56),
		byte(x >> 48),
		byte(x >> 40),
		byte(x >> 32),
		byte(x >> 24),
		byte(x >> 16),
		byte(x >> 8),
		byte(x),
	}
	return append(b, a[:]...)
}

func appendUint32(b []byte, x uint32) []byte {
	a := [4]byte{
		byte(x >> 24),
		byte(x >> 16),
		byte(x >> 8),
		byte(x),
	}
	return append(b, a[:]...)
}

func consumeUint64(b []byte) ([]byte, uint64) {
	_ = b[7]
	x := uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
		uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
	return b[8:], x
}

func consumeUint32(b []byte) ([]byte, uint32) {
	_ = b[3]
	x := uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
	return b[4:], x
}

func (d *digest) checkSum() [Size]byte {
	// Write will change d.len
	length := d.len << 3
	var buf [chunk * 2]byte
	n := copy(buf[:], d.x[:d.nx])
	buf[n] = 0x80
	n++
	nn := chunk
	if n > chunk-8 {
		nn += chunk
	}
	binary.BigEndian.PutUint64(buf[nn-8:nn], length)
	block(d, buf[:nn])

	var result [Size]byte
	for i, s := range d.h {
		binary.BigEndian.PutUint32(result[i*4:], s)
	}
	return result
}

// Block functions
func blockGeneric(dig *digest, p []byte) {
	var a, b, c, d, e, f, g, h uint32
	var w00, w01, w02, w03, w04, w05, w06, w07,
		w08, w09, w10, w11, w12, w13, w14, w15 uint32

	for len(p) >= chunk {
		a = dig.h[0]
		b = dig.h[1]
		c = dig.h[2]
		d = dig.h[3]
		e = dig.h[4]
		f = dig.h[5]
		g = dig.h[6]
		h = dig.h[7]

		w00 = uint32(p[3]) | uint32(p[2])<<8 | uint32(p[1])<<16 | uint32(p[0])<<24
		w01 = uint32(p[7]) | uint32(p[6])<<8 | uint32(p[5])<<16 | uint32(p[4])<<24
		w02 = uint32(p[11]) | uint32(p[10])<<8 | uint32(p[9])<<16 | uint32(p[8])<<24
		w03 = uint32(p[15]) | uint32(p[14])<<8 | uint32(p[13])<<16 | uint32(p[12])<<24
		w04 = uint32(p[19]) | uint32(p[18])<<8 | uint32(p[17])<<16 | uint32(p[16])<<24
		w05 = uint32(p[23]) | uint32(p[22])<<8 | uint32(p[21])<<16 | uint32(p[20])<<24
		w06 = uint32(p[27]) | uint32(p[26])<<8 | uint32(p[25])<<16 | uint32(p[24])<<24
		w07 = uint32(p[31]) | uint32(p[30])<<8 | uint32(p[29])<<16 | uint32(p[28])<<24
		w08 = uint32(p[35]) | uint32(p[34])<<8 | uint32(p[33])<<16 | uint32(p[32])<<24
		w09 = uint32(p[39]) | uint32(p[38])<<8 | uint32(p[37])<<16 | uint32(p[36])<<24
		w10 = uint32(p[43]) | uint32(p[42])<<8 | uint32(p[41])<<16 | uint32(p[40])<<24
		w11 = uint32(p[47]) | uint32(p[46])<<8 | uint32(p[45])<<16 | uint32(p[44])<<24
		w12 = uint32(p[51]) | uint32(p[50])<<8 | uint32(p[49])<<16 | uint32(p[48])<<24
		w13 = uint32(p[55]) | uint32(p[54])<<8 | uint32(p[53])<<16 | uint32(p[52])<<24
		w14 = uint32(p[59]) | uint32(p[58])<<8 | uint32(p[57])<<16 | uint32(p[56])<<24
		w15 = uint32(p[63]) | uint32(p[62])<<8 | uint32(p[61])<<16 | uint32(p[60])<<24

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x79cc4519
			SS1 = SS1<<7 | SS1>>25
			TT1 := a ^ b ^ c + d + (SS2 ^ SS1) + (w00 ^ w04)
			TT2 := e ^ f ^ g + h + SS1 + w00
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w00 ^ w07 ^ (w13<<15 | w13>>17)
			w00 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w03<<7 | w03>>25) ^ w10
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0xf3988a32
			SS1 = SS1<<7 | SS1>>25
			TT1 := d ^ a ^ b + c + (SS2 ^ SS1) + (w01 ^ w05)
			TT2 := h ^ e ^ f + g + SS1 + w01
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w01 ^ w08 ^ (w14<<15 | w14>>17)
			w01 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w04<<7 | w04>>25) ^ w11
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0xe7311465
			SS1 = SS1<<7 | SS1>>25
			TT1 := c ^ d ^ a + b + (SS2 ^ SS1) + (w02 ^ w06)
			TT2 := g ^ h ^ e + f + SS1 + w02
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w02 ^ w09 ^ (w15<<15 | w15>>17)
			w02 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w05<<7 | w05>>25) ^ w12
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xce6228cb
			SS1 = SS1<<7 | SS1>>25
			TT1 := b ^ c ^ d + a + (SS2 ^ SS1) + (w03 ^ w07)
			TT2 := f ^ g ^ h + e + SS1 + w03
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w03 ^ w10 ^ (w00<<15 | w00>>17)
			w03 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w06<<7 | w06>>25) ^ w13
		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x9cc45197
			SS1 = SS1<<7 | SS1>>25
			TT1 := a ^ b ^ c + d + (SS2 ^ SS1) + (w04 ^ w08)
			TT2 := e ^ f ^ g + h + SS1 + w04
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w04 ^ w11 ^ (w01<<15 | w01>>17)
			w04 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w07<<7 | w07>>25) ^ w14
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x3988a32f
			SS1 = SS1<<7 | SS1>>25
			TT1 := d ^ a ^ b + c + (SS2 ^ SS1) + (w05 ^ w09)
			TT2 := h ^ e ^ f + g + SS1 + w05
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w05 ^ w12 ^ (w02<<15 | w02>>17)
			w05 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w08<<7 | w08>>25) ^ w15
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x7311465e
			SS1 = SS1<<7 | SS1>>25
			TT1 := c ^ d ^ a + b + (SS2 ^ SS1) + (w06 ^ w10)
			TT2 := g ^ h ^ e + f + SS1 + w06
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w06 ^ w13 ^ (w03<<15 | w03>>17)
			w06 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w09<<7 | w09>>25) ^ w00
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xe6228cbc
			SS1 = SS1<<7 | SS1>>25
			TT1 := b ^ c ^ d + a + (SS2 ^ SS1) + (w07 ^ w11)
			TT2 := f ^ g ^ h + e + SS1 + w07
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w07 ^ w14 ^ (w04<<15 | w04>>17)
			w07 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w10<<7 | w10>>25) ^ w01
		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xcc451979
			SS1 = SS1<<7 | SS1>>25
			TT1 := a ^ b ^ c + d + (SS2 ^ SS1) + (w08 ^ w12)
			TT2 := e ^ f ^ g + h + SS1 + w08
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w08 ^ w15 ^ (w05<<15 | w05>>17)
			w08 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w11<<7 | w11>>25) ^ w02
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x988a32f3
			SS1 = SS1<<7 | SS1>>25
			TT1 := d ^ a ^ b + c + (SS2 ^ SS1) + (w09 ^ w13)
			TT2 := h ^ e ^ f + g + SS1 + w09
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w09 ^ w00 ^ (w06<<15 | w06>>17)
			w09 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w12<<7 | w12>>25) ^ w03
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x311465e7
			SS1 = SS1<<7 | SS1>>25
			TT1 := c ^ d ^ a + b + (SS2 ^ SS1) + (w10 ^ w14)
			TT2 := g ^ h ^ e + f + SS1 + w10
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w10 ^ w01 ^ (w07<<15 | w07>>17)
			w10 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w13<<7 | w13>>25) ^ w04
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x6228cbce
			SS1 = SS1<<7 | SS1>>25
			TT1 := b ^ c ^ d + a + (SS2 ^ SS1) + (w11 ^ w15)
			TT2 := f ^ g ^ h + e + SS1 + w11
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w11 ^ w02 ^ (w08<<15 | w08>>17)
			w11 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w14<<7 | w14>>25) ^ w05
		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xc451979c
			SS1 = SS1<<7 | SS1>>25
			TT1 := a ^ b ^ c + d + (SS2 ^ SS1) + (w12 ^ w00)
			TT2 := e ^ f ^ g + h + SS1 + w12
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w12 ^ w03 ^ (w09<<15 | w09>>17)
			w12 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w15<<7 | w15>>25) ^ w06
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x88a32f39
			SS1 = SS1<<7 | SS1>>25
			TT1 := d ^ a ^ b + c + (SS2 ^ SS1) + (w13 ^ w01)
			TT2 := h ^ e ^ f + g + SS1 + w13
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w13 ^ w04 ^ (w10<<15 | w10>>17)
			w13 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w00<<7 | w00>>25) ^ w07
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x11465e73
			SS1 = SS1<<7 | SS1>>25
			TT1 := c ^ d ^ a + b + (SS2 ^ SS1) + (w14 ^ w02)
			TT2 := g ^ h ^ e + f + SS1 + w14
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w14 ^ w05 ^ (w11<<15 | w11>>17)
			w14 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w01<<7 | w01>>25) ^ w08
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x228cbce6
			SS1 = SS1<<7 | SS1>>25
			TT1 := b ^ c ^ d + a + (SS2 ^ SS1) + (w15 ^ w03)
			TT2 := f ^ g ^ h + e + SS1 + w15
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w15 ^ w06 ^ (w12<<15 | w12>>17)
			w15 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w02<<7 | w02>>25) ^ w09
		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x9d8a7a87
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w00 ^ w04)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w00
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w00 ^ w07 ^ (w13<<15 | w13>>17)
			w00 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w03<<7 | w03>>25) ^ w10

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x3b14f50f
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w01 ^ w05)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w01
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w01 ^ w08 ^ (w14<<15 | w14>>17)
			w01 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w04<<7 | w04>>25) ^ w11

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x7629ea1e
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w02 ^ w06)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w02
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w02 ^ w09 ^ (w15<<15 | w15>>17)
			w02 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w05<<7 | w05>>25) ^ w12

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xec53d43c
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w03 ^ w07)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w03
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w03 ^ w10 ^ (w00<<15 | w00>>17)
			w03 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w06<<7 | w06>>25) ^ w13

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xd8a7a879
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w04 ^ w08)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w04
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w04 ^ w11 ^ (w01<<15 | w01>>17)
			w04 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w07<<7 | w07>>25) ^ w14

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0xb14f50f3
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w05 ^ w09)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w05
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w05 ^ w12 ^ (w02<<15 | w02>>17)
			w05 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w08<<7 | w08>>25) ^ w15

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x629ea1e7
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w06 ^ w10)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w06
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w06 ^ w13 ^ (w03<<15 | w03>>17)
			w06 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w09<<7 | w09>>25) ^ w00

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xc53d43ce
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w07 ^ w11)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w07
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w07 ^ w14 ^ (w04<<15 | w04>>17)
			w07 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w10<<7 | w10>>25) ^ w01

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x8a7a879d
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w08 ^ w12)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w08
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w08 ^ w15 ^ (w05<<15 | w05>>17)
			w08 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w11<<7 | w11>>25) ^ w02

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x14f50f3b
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w09 ^ w13)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w09
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w09 ^ w00 ^ (w06<<15 | w06>>17)
			w09 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w12<<7 | w12>>25) ^ w03

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x29ea1e76
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w10 ^ w14)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w10
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w10 ^ w01 ^ (w07<<15 | w07>>17)
			w10 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w13<<7 | w13>>25) ^ w04

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x53d43cec
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w11 ^ w15)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w11
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w11 ^ w02 ^ (w08<<15 | w08>>17)
			w11 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w14<<7 | w14>>25) ^ w05

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xa7a879d8
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w12 ^ w00)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w12
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w12 ^ w03 ^ (w09<<15 | w09>>17)
			w12 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w15<<7 | w15>>25) ^ w06

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x4f50f3b1
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w13 ^ w01)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w13
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w13 ^ w04 ^ (w10<<15 | w10>>17)
			w13 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w00<<7 | w00>>25) ^ w07

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x9ea1e762
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w14 ^ w02)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w14
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w14 ^ w05 ^ (w11<<15 | w11>>17)
			w14 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w01<<7 | w01>>25) ^ w08

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x3d43cec5
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w15 ^ w03)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w15
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w15 ^ w06 ^ (w12<<15 | w12>>17)
			w15 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w02<<7 | w02>>25) ^ w09

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x7a879d8a
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w00 ^ w04)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w00
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w00 ^ w07 ^ (w13<<15 | w13>>17)
			w00 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w03<<7 | w03>>25) ^ w10

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0xf50f3b14
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w01 ^ w05)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w01
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w01 ^ w08 ^ (w14<<15 | w14>>17)
			w01 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w04<<7 | w04>>25) ^ w11

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0xea1e7629
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w02 ^ w06)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w02
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w02 ^ w09 ^ (w15<<15 | w15>>17)
			w02 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w05<<7 | w05>>25) ^ w12

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xd43cec53
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w03 ^ w07)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w03
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w03 ^ w10 ^ (w00<<15 | w00>>17)
			w03 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w06<<7 | w06>>25) ^ w13

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xa879d8a7
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w04 ^ w08)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w04
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w04 ^ w11 ^ (w01<<15 | w01>>17)
			w04 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w07<<7 | w07>>25) ^ w14

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x50f3b14f
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w05 ^ w09)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w05
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w05 ^ w12 ^ (w02<<15 | w02>>17)
			w05 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w08<<7 | w08>>25) ^ w15

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0xa1e7629e
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w06 ^ w10)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w06
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w06 ^ w13 ^ (w03<<15 | w03>>17)
			w06 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w09<<7 | w09>>25) ^ w00

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x43cec53d
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w07 ^ w11)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w07
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w07 ^ w14 ^ (w04<<15 | w04>>17)
			w07 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w10<<7 | w10>>25) ^ w01

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x879d8a7a
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w08 ^ w12)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w08
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w08 ^ w15 ^ (w05<<15 | w05>>17)
			w08 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w11<<7 | w11>>25) ^ w02

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x0f3b14f5
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w09 ^ w13)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w09
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w09 ^ w00 ^ (w06<<15 | w06>>17)
			w09 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w12<<7 | w12>>25) ^ w03

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x1e7629ea
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w10 ^ w14)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w10
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w10 ^ w01 ^ (w07<<15 | w07>>17)
			w10 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w13<<7 | w13>>25) ^ w04

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x3cec53d4
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w11 ^ w15)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w11
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w11 ^ w02 ^ (w08<<15 | w08>>17)
			w11 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w14<<7 | w14>>25) ^ w05

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x79d8a7a8
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w12 ^ w00)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w12
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w12 ^ w03 ^ (w09<<15 | w09>>17)
			w12 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w15<<7 | w15>>25) ^ w06

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0xf3b14f50
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w13 ^ w01)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w13
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w13 ^ w04 ^ (w10<<15 | w10>>17)
			w13 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w00<<7 | w00>>25) ^ w07

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0xe7629ea1
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w14 ^ w02)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w14
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w14 ^ w05 ^ (w11<<15 | w11>>17)
			w14 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w01<<7 | w01>>25) ^ w08

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xcec53d43
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w15 ^ w03)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w15
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w15 ^ w06 ^ (w12<<15 | w12>>17)
			w15 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w02<<7 | w02>>25) ^ w09

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x9d8a7a87
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w00 ^ w04)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w00
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w00 ^ w07 ^ (w13<<15 | w13>>17)
			w00 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w03<<7 | w03>>25) ^ w10

		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x3b14f50f
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w01 ^ w05)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w01
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w01 ^ w08 ^ (w14<<15 | w14>>17)
			w01 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w04<<7 | w04>>25) ^ w11

		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x7629ea1e
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w02 ^ w06)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w02
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w02 ^ w09 ^ (w15<<15 | w15>>17)
			w02 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w05<<7 | w05>>25) ^ w12

		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xec53d43c
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w03 ^ w07)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w03
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
			tw := w03 ^ w10 ^ (w00<<15 | w00>>17)
			w03 = tw ^ (tw<<15 | tw>>17) ^ (tw<<23 | tw>>9) ^ (w06<<7 | w06>>25) ^ w13

		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xd8a7a879
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w04 ^ w08)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w04
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0xb14f50f3
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w05 ^ w09)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w05
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x629ea1e7
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w06 ^ w10)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w06
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0xc53d43ce
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w07 ^ w11)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w07
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0x8a7a879d
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w08 ^ w12)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w08
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x14f50f3b
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w09 ^ w13)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w09
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x29ea1e76
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w10 ^ w14)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w10
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x53d43cec
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w11 ^ w15)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w11
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := a<<12 | a>>20
			SS1 := SS2 + e + 0xa7a879d8
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((a & b) | ((a | b) & c)) + d + (SS2 ^ SS1) + (w12 ^ w00)
			TT2 := (g ^ (e & (f ^ g))) + SS1 + h + w12
			b = b<<9 | b>>23
			d = TT1
			f = f<<19 | f>>13
			h = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := d<<12 | d>>20
			SS1 := SS2 + h + 0x4f50f3b1
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((d & a) | ((d | a) & b)) + c + (SS2 ^ SS1) + (w13 ^ w01)
			TT2 := (f ^ (h & (e ^ f))) + SS1 + g + w13
			a = a<<9 | a>>23
			c = TT1
			e = e<<19 | e>>13
			g = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := c<<12 | c>>20
			SS1 := SS2 + g + 0x9ea1e762
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((c & d) | ((c | d) & a)) + b + (SS2 ^ SS1) + (w14 ^ w02)
			TT2 := (e ^ (g & (h ^ e))) + SS1 + f + w14
			d = d<<9 | d>>23
			b = TT1
			h = h<<19 | h>>13
			f = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		{
			SS2 := b<<12 | b>>20
			SS1 := SS2 + f + 0x3d43cec5
			SS1 = SS1<<7 | SS1>>25
			TT1 := ((b & c) | ((b | c) & d)) + a + (SS2 ^ SS1) + (w15 ^ w03)
			TT2 := (h ^ (f & (g ^ h))) + SS1 + e + w15
			c = c<<9 | c>>23
			a = TT1
			g = g<<19 | g>>13
			e = TT2 ^ (TT2<<9 | TT2>>23) ^ (TT2<<17 | TT2>>15)
		}

		p = p[chunk:]
		dig.h[0] ^= a
		dig.h[1] ^= b
		dig.h[2] ^= c
		dig.h[3] ^= d
		dig.h[4] ^= e
		dig.h[5] ^= f
		dig.h[6] ^= g
		dig.h[7] ^= h
	}

}