}
	var nonce [32]byte
	if _, err := io.ReadFull(random, nonce[:]); err != nil {
		logger.CriticalIf(context.Background(), errOutOfEntropy)
	}

	const Context = "object-encryption-key generation"
	mac := hmac.New(sha256.New, extKey)
	mac.Write([]byte(Context))
	mac.Write(nonce[:])
	mac.Sum(key[:0])
	return key
}

        writeResponse(pushedStream, request, pushPromise.response)
      }
    }
  }

  private companion object {
    private const val CLIENT_AUTH_NONE = 0
    private const val CLIENT_AUTH_REQUESTED = 1
    private const val CLIENT_AUTH_REQUIRED = 2

    private val UNTRUSTED_TRUST_MANAGER =
      object : X509TrustManager {
        @Throws(CertificateException::class)

		binary.BigEndian.PutUint64(c.Raw, v)
	default:
		return fmt.Errorf("unknown checksum type: %s", c.Type.String())
	}
	c.Encoded = base64.StdEncoding.EncodeToString(c.Raw)
	return nil
}

const crc64NVMEPolynomial = 0xad93d23594c93659

var crc64Table = crc64.MakeTable(bits.Reverse64(crc64NVMEPolynomial))

// Following is ported from C to Go in 2016 by Justin Ruggles, with minimal alteration.

type capacityInfo struct {
	XMLName   xml.Name `xml:"CapacityInfo" json:"-"`
	Capacity  int64    `xml:"Capacity"`
	Available int64    `xml:"Available"`
	Used      int64    `xml:"Used"`
}

const (
	systemXMLObject   = ".system-d26a9498-cb7c-4a87-a44a-8ae204f5ba6c/system.xml"
	capacityXMLObject = ".system-d26a9498-cb7c-4a87-a44a-8ae204f5ba6c/capacity.xml"
	veeamAgentSubstr  = "APN/1.0 Veeam/1.0"
)

	"os"
	"path/filepath"
	"sort"
	"sync"
	"time"

	"github.com/google/uuid"
	jsoniter "github.com/json-iterator/go"
	"github.com/klauspost/compress/s2"
	"github.com/valyala/bytebufferpool"
)

const (
	defaultLimit = 100000 // Default store limit.
	defaultExt   = ".unknown"
	compressExt  = ".snappy"
)

// errLimitExceeded error is sent when the maximum limit is reached.

package cmd

import (
	"context"
	"net/http"
	"strconv"
	"time"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/kms"
)

const unavailable = "offline"

func checkHealth(w http.ResponseWriter) ObjectLayer {
	objLayer := newObjectLayerFn()
	if objLayer == nil {
		w.Header().Set(xhttp.MinIOServerStatus, unavailable)

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"errors"
	"fmt"
	"strconv"
	"strings"
)

const (
	byteRangePrefix = "bytes="
)

// HTTPRangeSpec represents a range specification as supported by S3 GET
// object request.
//
// Case 1: Not present -> represented by a nil RangeSpec

	"github.com/minio/kms-go/kes"
	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/kms"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/mux"
	"github.com/minio/pkg/v3/policy"
)

const (
	// Bucket Encryption configuration file name.
	bucketSSEConfig = "bucket-encryption.xml"
)

// PutBucketEncryptionHandler - Stores given bucket encryption configuration

//     delay: "500ms" # least amount of delay between each retry

//go:generate msgp -file $GOFILE -unexported

// BatchKeyRotationType defines key rotation type
type BatchKeyRotationType string

const (
	sses3  BatchKeyRotationType = "sse-s3"
	ssekms BatchKeyRotationType = "sse-kms"
)

// BatchJobKeyRotateEncryption defines key rotation encryption options passed
type BatchJobKeyRotateEncryption struct {

			return ObjectNameInvalid{
				Bucket: bucket,
				Object: object,
			}
		}
	}
	return nil
}

// SlashSeparator - slash separator.
const SlashSeparator = "/"

// SlashSeparatorChar - slash separator.
const SlashSeparatorChar = '/'

// retainSlash - retains slash from a path.
func retainSlash(s string) string {
	if s == "" {
		return s
	}