// license that can be found in the LICENSE file.

//go:build (!amd64 && !arm64 && !ppc64 && !ppc64le && !riscv64 && !s390x) || purego

package sha512

func block(dig *digest, p []byte) {
	blockGeneric(dig, p)

//go:build !purego

package sha256

import "internal/cpu"

var k = _K

//go:noescape
func sha256block(h []uint32, p []byte, k []uint32)

func block(dig *digest, p []byte) {
	if !cpu.ARM64.HasSHA2 {
		blockGeneric(dig, p)
	} else {
		h := dig.h[:]
		sha256block(h, p, k)
	}

	0x5A827999,
	0x6ED9EBA1,
	0x8F1BBCDC,
	0xCA62C1D6,
}

//go:noescape
func sha1block(h []uint32, p []byte, k []uint32)

func block(dig *digest, p []byte) {
	if !cpu.ARM64.HasSHA1 {
		blockGeneric(dig, p)
	} else {
		h := dig.h[:]
		sha1block(h, p, k)
	}

	0x1b710b35131c471b,
	0x28db77f523047d84,
	0x32caab7b40c72493,
	0x3c9ebe0a15c9bebc,
	0x431d67c49c100d4c,
	0x4cc5d4becb3e42b6,
	0x597f299cfc657e2a,
	0x5fcb6fab3ad6faec,
	0x6c44198c4a475817,
}

func blockGeneric(dig *digest, p []byte) {
	var w [80]uint64
	h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]
	for len(p) >= chunk {
		for i := 0; i < 16; i++ {

	0x34b0bcb5,
	0x391c0cb3,
	0x4ed8aa4a,
	0x5b9cca4f,
	0x682e6ff3,
	0x748f82ee,
	0x78a5636f,
	0x84c87814,
	0x8cc70208,
	0x90befffa,
	0xa4506ceb,
	0xbef9a3f7,
	0xc67178f2,
}

func blockGeneric(dig *digest, p []byte) {
	var w [64]uint32
	h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]
	for len(p) >= chunk {

// license that can be found in the LICENSE file.

// Code generated by go run gen.go -output md5block.go; DO NOT EDIT.

package md5

import (
	"internal/byteorder"
	"math/bits"
)

func blockGeneric(dig *digest, p []byte) {
	// load state
	a, b, c, d := dig.s[0], dig.s[1], dig.s[2], dig.s[3]

	for i := 0; i <= len(p)-BlockSize; i += BlockSize {
		// eliminate bounds checks on p
		q := p[i:]

// license that can be found in the LICENSE file.

// Code generated by go run gen.go -output md5block.go; DO NOT EDIT.

package md5

import (
	"internal/byteorder"
	"math/bits"
)

func blockGeneric(dig *digest, p []byte) {
	// load state
	a, b, c, d := dig.s[0], dig.s[1], dig.s[2], dig.s[3]

	for i := 0; i <= len(p)-BlockSize; i += BlockSize {
		// eliminate bounds checks on p
		q := p[i:]

	}
}

// Tests that blockGeneric (pure Go) and block (in assembly for some architectures) match.
func TestBlockGeneric(t *testing.T) {
	if boring.Enabled {
		t.Skip("BoringCrypto doesn't expose digest")
	}
	for i := 1; i < 30; i++ { // arbitrary factor
		gen, asm := New().(*digest), New().(*digest)
		buf := make([]byte, BlockSize*i)
		rand.Read(buf)
		blockGeneric(gen, buf)
		block(asm, buf)

	}
}

// Tests that blockGeneric (pure Go) and block (in assembly for some architectures) match.
func TestBlockGeneric(t *testing.T) {
	if boring.Enabled {
		t.Skip("BoringCrypto doesn't expose digest")
	}
	gen, asm := New().(*digest), New().(*digest)
	buf := make([]byte, BlockSize*20) // arbitrary factor
	rand.Read(buf)
	blockGeneric(gen, buf)
	block(asm, buf)
	if *gen != *asm {

	}
}

// Tests that blockGeneric (pure Go) and block (in assembly for some architectures) match.
func TestBlockGeneric(t *testing.T) {
	if boring.Enabled {
		t.Skip("BoringCrypto doesn't expose digest")
	}
	gen, asm := New().(*digest), New().(*digest)
	buf := make([]byte, BlockSize*20) // arbitrary factor
	rand.Read(buf)
	blockGeneric(gen, buf)
	block(asm, buf)
	if *gen != *asm {