}

	sigType, hashFunc, err = legacyTypeAndHashFromPublicKey(testECDSAPrivateKey.Public())
	if err != nil {
		t.Errorf("ECDSA: unexpected error: %v", err)
	}
	if expectedSigType := signatureECDSA; expectedSigType != sigType {
		t.Errorf("ECDSA: expected signature type %#x, got %#x", expectedSigType, sigType)
	}
	if expectedHashFunc := crypto.SHA1; expectedHashFunc != hashFunc {

	"hash/fnv"
	"time"
)

// split cache lookups across N striped caches
type stripedCache struct {
	stripeCount uint32
	hashFunc    func(string) uint32
	caches      []cache
}

type hashFunc func(string) uint32
type newCacheFunc func() cache

func newStripedCache(stripeCount int, hash hashFunc, newCacheFunc newCacheFunc) cache {
	caches := []cache{}
	for i := 0; i < stripeCount; i++ {
		caches = append(caches, newCacheFunc())

func BenchmarkMultiPassBlock(b *testing.B) { benchFnBlock(b, multi, genFunction) }

// benchFnPass runs passFunc b.N times across a single function.
func benchFnPass(b *testing.B, fn passFunc, size int, bg blockGen) {
	b.ReportAllocs()
	c := testConfig(b)
	fun := c.Fun("entry", bg(size)...)
	CheckFunc(fun.f)
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		fn(fun.f)

import (
	"hash"
	"io"
	"strconv"
)

// Hash identifies a cryptographic hash function that is implemented in another
// package.
type Hash uint

// HashFunc simply returns the value of h so that [Hash] implements [SignerOpts].
func (h Hash) HashFunc() Hash {
	return h
}

func (h Hash) String() string {
	switch h {
	case MD4:
		return "MD4"
	case MD5:
		return "MD5"
	case SHA1:
		return "SHA-1"

  }

  func::FuncOp func = module_for_func->lookupSymbol<func::FuncOp>("host_func");
  if (!func)
    return op.emitError()
           << "serialized module in attribute 'host_mlir_module' does not "
              "contain 'host_func' function.";

  if (op->getNumOperands() != func.getFunctionType().getNumInputs())
    return op.emitError()
           << "'host_func' has " << func.getFunctionType().getNumInputs()

  // CHECK-SAME: recv_key = "host_compute_channel_recv"
  // CHECK-SAME: send_key = "host_compute_channel_send"
  // CHECK-SAME: shape_inference_graph = @host_func
  // CHECK-SAME: shapes = [#tf_type.shape<*>, #tf_type.shape<3x?>]
  // CHECK-SAME: tpu_core = 0 : i64
  // CHECK: func @host_func
  // CHECK: %[[RECV_OUTPUT:[0-9]*]]:2 = "tf._XlaRecvAtHost"
  // CHECK-SAME: key = "host_compute_channel_send"

// Package startlinetest contains helpers for runtime_test.TestStartLineAsm.
package startlinetest

// Defined in func_amd64.s, this is a trivial assembly function that calls
// runtime_test.callerStartLine.
func AsmFunc() int

// Provided by runtime_test.

// copies of this function.
func TestStartLineAsm(t *testing.T) {
	startlinetest.CallerStartLine = callerStartLine

	const wantLine = 23
	got := startlinetest.AsmFunc()
	if got != wantLine {
		t.Errorf("start line got %d want %d", got, wantLine)
	}

//
// Thus it is simpler to just put this in its own package, imported only by
// runtime_test. We use ABIInternal as no ABI wrapper is generated for
// callerStartLine since it is in a different package.

TEXT	·AsmFunc<ABIInternal>(SB),NOSPLIT,$8-0
	NO_LOCAL_POINTERS
	MOVQ	$0, AX // wantInlined
	MOVQ	·CallerStartLine(SB), DX
	CALL	(DX)

func prf12(hashFunc func() hash.Hash) func(result, secret, label, seed []byte) {
	return func(result, secret, label, seed []byte) {
		labelAndSeed := make([]byte, len(label)+len(seed))
		copy(labelAndSeed, label)
		copy(labelAndSeed[len(label):], seed)

		pHash(result, secret, labelAndSeed, hashFunc)
	}
}

const (