"on_request_headers": [
                                {
                                  "object_key": "envoy.filters.listener.original_dst.local_ip",
                                  "format_string": {
                                    "text_format_source": {

                              "on_request_headers": [
                                {
                                  "object_key": "envoy.filters.listener.original_dst.local_ip",
                                  "format_string": {
                                    "text_format_source": {

                        "@type": "type.googleapis.com/envoy.extensions.filters.network.set_filter_state.v3.Config",
                        "on_new_connection": [
                          {
                            "object_key": "envoy.filters.listener.original_dst.local_ip",
                            "format_string": {
                              "text_format_source": {

//
// All objects are encrypted with an unique and randomly generated 'ObjectKey'.
// The ObjectKey itself is never stored in plaintext. Instead it is only stored
// in a sealed from. The sealed 'ObjectKey' is created by encrypting the 'ObjectKey'
// with an unique key-encryption-key. Given the correct key-encryption-key the
// sealed 'ObjectKey' can be unsealed and the object can be decrypted.
//
// ## SSE-C
//

	"github.com/minio/sio"
)

// ObjectKey is a 256 bit secret key used to encrypt the object.
// It must never be stored in plaintext.
type ObjectKey [32]byte

// GenerateKey generates a unique ObjectKey from a 256 bit external key
// and a source of randomness. If random is nil the default PRNG of the
// system (crypto/rand) is used.
func GenerateKey(extKey []byte, random io.Reader) (key ObjectKey) {
	if random == nil {

	}
}

var decryptETagTests = []struct {
	ObjectKey  crypto.ObjectKey
	ObjectInfo ObjectInfo
	ShouldFail bool
	ETag       string
}{
	{
		ObjectKey:  [32]byte{},
		ObjectInfo: ObjectInfo{ETag: "20000f00f27834c9a2654927546df57f9e998187496394d4ee80f3d9978f85f3c7d81f72600cdbe03d80dc5a13d69354"},
		ETag:       "8ad3fe6b84bf38489e95c701c84355b6",
	},
	{
		ObjectKey:  [32]byte{},

				return crypto.ObjectKey{}, errKMSKeyNotFound
			}
			return crypto.ObjectKey{}, err
		}

		objectKey := crypto.GenerateKey(key.Plaintext, rand.Reader)
		sealedKey = objectKey.Seal(key.Plaintext, crypto.GenerateIV(rand.Reader), crypto.S3KMS.String(), bucket, object)
		crypto.S3KMS.CreateMetadata(metadata, key.KeyID, key.Ciphertext, sealedKey, cryptoCtx)
		return objectKey, nil
	case crypto.SSEC:

func EncryptMultiPart(r io.Reader, partID int, key ObjectKey) io.Reader {
	partKey := key.DerivePartKey(uint32(partID))
	return EncryptSinglePart(r, ObjectKey(partKey))
}

// DecryptSinglePart decrypts an io.Writer which must an object
// uploaded with the single-part PUT API. The offset and length
// specify the requested range.
func DecryptSinglePart(w io.Writer, offset, length int64, key ObjectKey) io.WriteCloser {

	if k == nil {
		return nil, Errorf("KMS not configured")
	}

	if len(metadata) != len(buckets) || len(metadata) != len(objects) {
		return nil, Errorf("invalid metadata/object count: %d != %d != %d", len(metadata), len(buckets), len(objects))
	}
	keys := make([]ObjectKey, 0, len(metadata))
	for i := range metadata {

func (i *Identifier) String() string {
	if i.Unquoted != nil {
		return *i.Unquoted
	}
	return string(*i.Quoted)
}

func (o *ObjectKey) String() string {
	if o.Lit != nil {
		return fmt.Sprintf("['%s']", string(*o.Lit))
	}
	return fmt.Sprintf(".%s", o.ID.String())
}

func (o *ObjectKey) keyString() string {
	if o.Lit != nil {
		return string(*o.Lit)
	}
	return o.ID.String()
}