}

	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())

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 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 (

package ssa

import (
	"fmt"
	"io"
	"strings"

	"cmd/internal/notsha256"
	"cmd/internal/src"
)

func printFunc(f *Func) {
	f.Logf("%s", f)
}

func hashFunc(f *Func) []byte {
	h := notsha256.New()
	p := stringFuncPrinter{w: h, printDead: true}
	fprintFunc(p, f)
	return h.Sum(nil)
}

func (f *Func) String() string {
	var buf strings.Builder