}
		n := binary.PutUvarint(tmp[:], uint64(checksums))
		b = append(b, tmp[:n]...)
		if len(parts) > 0 {
			b = append(b, parts...)
		}
	}
	return b
}

// Valid returns whether checksum is valid.
func (c Checksum) Valid() bool {
	if c.Type == ChecksumInvalid {
		return false
	}
	if len(c.Encoded) == 0 || c.Type.Trailing() {
		return c.Type.Is(ChecksumNone) || c.Type.Trailing()
	}
	raw := c.Raw

}

// Verify if the request has AWS Streaming Signature Version '4'. This is only valid for 'PUT' operation.
func isRequestSignStreamingV4(r *http.Request) bool {
	return r.Header.Get(xhttp.AmzContentSha256) == streamingContentSHA256 &&
		r.Method == http.MethodPut
}

// Verify if the request has AWS Streaming Signature Version '4'. This is only valid for 'PUT' operation.
func isRequestSignStreamingTrailerV4(r *http.Request) bool {

	return "Remote with this label already exists for this bucket: " + e.Bucket
}

// BucketRemoteArnTypeInvalid arn type for remote is not valid.
type BucketRemoteArnTypeInvalid GenericError

func (e BucketRemoteArnTypeInvalid) Error() string {
	return "Remote ARN type not valid: " + e.Bucket
}

// BucketRemoteArnInvalid arn needs to be specified.
type BucketRemoteArnInvalid GenericError

			hh, _ := highwayhash.New([]byte(magicHighwayHash256Key))
			hh.Write(data)
			got := hh.Sum(nil)
			if bytes.Equal(want, got) {
				s += ", \"bitrot_valid\": true"
			} else {
				s += ", \"bitrot_valid\": false"
			}
			s += "}"
		}
		res = append(res, []byte(s)...)
	}
	res = append(res, '}')
	return res, nil
}

// files returns files as callback.

	fields := strings.Split(releaseTag, ".")
	if len(fields) < 2 || len(fields) > 4 {
		return releaseTime, fmt.Errorf("%s is not a valid release tag", releaseTag)
	}
	if fields[0] != "RELEASE" {
		return releaseTime, fmt.Errorf("%s is not a valid release tag", releaseTag)
	}
	return time.Parse(MinioReleaseTagTimeLayout, fields[1])
}

// getModTime - get the file modification time of `path`

	if s3Err == ErrNone && retentionMode.Valid() {
		metadata[strings.ToLower(xhttp.AmzObjectLockMode)] = string(retentionMode)
		metadata[strings.ToLower(xhttp.AmzObjectLockRetainUntilDate)] = amztime.ISO8601Format(retentionDate.UTC())
	}
	if s3Err == ErrNone && legalHold.Status.Valid() {
		metadata[strings.ToLower(xhttp.AmzObjectLockLegalHold)] = string(legalHold.Status)
	}

			closer.Close()
		}
	})
}

// NoAuthMiddleware no auth middle ware.
func NoAuthMiddleware(h http.Handler) http.Handler {
	return h
}

// AuthMiddleware checks if the bearer token is valid and authorized.
func AuthMiddleware(h http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		tc, ok := r.Context().Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt)

	// Common lock for various subsystems performing the leader tasks
	globalLeaderLock *sharedLock

	// Auto-Encryption, if enabled, turns any non-SSE-C request
	// into an SSE-S3 request. If enabled a valid, non-empty KMS
	// configuration must be present.
	globalAutoEncryption bool

	// Is compression enabled?
	globalCompressConfigMu sync.Mutex
	globalCompressConfig   compress.Config

	if objInfo.DeleteMarker {
		return false
	}

	lhold := objectlock.GetObjectLegalHoldMeta(objInfo.UserDefined)
	if lhold.Status.Valid() && lhold.Status == objectlock.LegalHoldOn {
		return true
	}

	ret := objectlock.GetObjectRetentionMeta(objInfo.UserDefined)
	if ret.Mode.Valid() && (ret.Mode == objectlock.RetCompliance || ret.Mode == objectlock.RetGovernance) {
		t, err := objectlock.UTCNowNTP()
		if err != nil {

	}

	if p.health.status.Load() != diskHealthOK {
		return ctx, done, errFaultyDisk
	}

	// Verify if the disk is not stale
	// - missing format.json (unformatted drive)
	// - format.json is valid but invalid 'uuid'
	if err = p.checkDiskStale(); err != nil {
		return ctx, done, err
	}

	// Disallow recursive tracking to avoid deadlocks.
	if ctx.Value(healthDiskCtxKey{}) != nil {