func newCachedAuthToken() func(audience string) string {
	fn := func(accessKey, secretKey, audience string) (s string, err error) {
		k := cacheKey{accessKey: accessKey, secretKey: secretKey, audience: audience}

		var ok bool
		s, ok = cacheLRU.Get(k)
		if !ok {
			s, err = authenticateNode(accessKey, secretKey, audience)
			if err != nil {
				return "", err
			}
			cacheLRU.Add(k, s)
		}

	ctx, cancel := context.WithTimeout(context.Background(), testDefaultTimeout)
	defer cancel()

	accessKey, secretKey := mustGenerateCredentials(c)
	err := s.adm.SetUser(ctx, accessKey, secretKey, madmin.AccountEnabled)
	if err != nil {
		c.Fatalf("Unable to set user: %v", err)
	}

	err = s.adm.SetPolicy(ctx, "readwrite", accessKey, false)
	if err != nil {
		c.Fatalf("unable to set policy: %v", err)
	}

	}

	userCount := 50
	accessKeys := make([]string, userCount)
	secretKeys := make([]string, userCount)
	for i := 0; i < userCount; i++ {
		accessKey, secretKey := mustGenerateCredentials(c)
		err = s.adm.SetUser(ctx, accessKey, secretKey, madmin.AccountEnabled)
		if err != nil {
			c.Fatalf("Unable to set user: %v", err)
		}

		err = s.adm.SetPolicy(ctx, policy, accessKey, false)
		if err != nil {

	}

	claims, s3Err := checkClaimsFromToken(r, cred)
	if s3Err != ErrNone {
		return cred, false, s3Err
	}
	cred.Claims = claims

	owner := cred.AccessKey == globalActiveCred.AccessKey || (cred.ParentUser == globalActiveCred.AccessKey && cred.AccessKey != siteReplicatorSvcAcc)
	if owner && !globalAPIConfig.permitRootAccess() {
		// We disable root access and its service accounts if asked for.

		return nil, errors.New("both the token file and the role ARN are required")
	case conf.AccessKey == "" && conf.SecretKey != "" || conf.AccessKey != "" && conf.SecretKey == "":
		return nil, errors.New("both the access and secret keys are required")
	case conf.AWSRole && (conf.AWSRoleWebIdentityTokenFile != "" || conf.AWSRoleARN != "" || conf.AccessKey != "" || conf.SecretKey != ""):

	"os"
	"testing"

	jwtgo "github.com/golang-jwt/jwt/v4"
	xjwt "github.com/minio/minio/internal/jwt"
)

func getTokenString(accessKey, secretKey string) (string, error) {
	claims := xjwt.NewMapClaims()
	claims.SetExpiry(UTCNow().Add(defaultJWTExpiry))
	claims.SetAccessKey(accessKey)
	token := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, claims)
	return token.SignedString([]byte(secretKey))
}

			headerBytes = int64(tc.ResponseRecorder.HeaderSize())
			timeToResponse = time.Now().UTC().Sub(tc.ResponseRecorder.StartTime)
			timeToFirstByte = tc.ResponseRecorder.TimeToFirstByte
		}

		entry.AccessKey = reqInfo.Cred.AccessKey
		entry.ParentUser = reqInfo.Cred.ParentUser

		entry.API.Name = reqInfo.API
		entry.API.Bucket = reqInfo.BucketName
		entry.API.Object = reqInfo.ObjectName

	if color.IsTerminal() && (!globalServerCtxt.Anonymous && !globalServerCtxt.JSON && globalAPIConfig.permitRootAccess()) {
		logger.Info(color.Blue("   RootUser: ") + color.Bold("%s ", cred.AccessKey))
		logger.Info(color.Blue("   RootPass: ") + color.Bold("%s \n", cred.SecretKey))
		if region != "" {
			logger.Info(color.Blue("   Region: ") + color.Bold("%s", fmt.Sprintf(getFormatStr(len(region), 2), region)))
		}

	// Validation of credentials
	if conf.AccessKey == "" || conf.SecretKey == "" {
		return nil, errors.New("both access and secret keys are required")
	}

	if conf.Bucket == "" {
		return nil, errors.New("no bucket name was provided")
	}

	u, err := url.Parse(conf.Endpoint)
	if err != nil {
		return nil, err
	}

	creds := credentials.NewStaticV4(conf.AccessKey, conf.SecretKey, "")
	opts := &minio.Options{

		m["DurationSeconds"] = []string{d}
	}
	return m
}

func getConditionValues(r *http.Request, lc string, cred auth.Credentials) map[string][]string {
	currTime := UTCNow()

	var (
		username = cred.AccessKey
		claims   = cred.Claims
		groups   = cred.Groups
	)

	if cred.IsTemp() || cred.IsServiceAccount() {
		// For derived credentials, check the parent user's permissions.
		username = cred.ParentUser
	}