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:

		AssociatedData: kmsContext,
	})
	if err != nil {
		return nil, err
	}
	var objectKey crypto.ObjectKey
	if err = objectKey.Unseal(extKey, sealedKey, crypto.S3.String(), bucket, ""); err != nil {
		return nil, err
	}

	outbuf := bytes.NewBuffer(nil)
	_, err = sio.Decrypt(outbuf, bytes.NewBuffer(input), sio.Config{Key: objectKey[:], MinVersion: sio.Version20, CipherSuites: fips.DARECiphers()})
	return outbuf.Bytes(), err

	{PartID: 10000, PartKey: "f86e65c396ed52d204ee44bd1a0bbd86eb8b01b7354e67a3b3ae0e34dd5bd115"},
}

func TestDerivePartKey(t *testing.T) {
	var key ObjectKey
	for i, test := range derivePartKeyTest {
		expectedPartKey, err := hex.DecodeString(test.PartKey)
		if err != nil {
			t.Fatalf("Test %d failed to decode expected part-key: %v", i, err)
		}

	"net/url"
	"strings"
	"testing"
	"time"

	"github.com/dustin/go-humanize"
)

const (
	iso8601DateFormat = "20060102T150405Z"
)

func newPostPolicyBytesV4WithContentRange(credential, bucketName, objectKey string, expiration time.Time) []byte {
	t := UTCNow()
	// Add the expiration date.
	expirationStr := fmt.Sprintf(`"expiration": "%s"`, expiration.Format(iso8601TimeFormat))

	return &PutObjReader{Reader: rawReader, rawReader: rawReader}
}

func sealETag(encKey crypto.ObjectKey, md5CurrSum []byte) []byte {
	var emptyKey [32]byte
	if bytes.Equal(encKey[:], emptyKey[:]) {
		return md5CurrSum
	}
	return encKey.SealETag(md5CurrSum)
}

func sealETagFn(key crypto.ObjectKey) SealMD5CurrFn {
	fn := func(md5sumcurr []byte) []byte {
		return sealETag(key, md5sumcurr)
	}

	}
	pathExpr := e.StripTableAlias(alias)
	_, rawVal := r.Raw()
	switch rowVal := rawVal.(type) {
	case jstream.KVS, simdjson.Object:
		if len(pathExpr) == 0 {
			pathExpr = []*JSONPathElement{{Key: &ObjectKey{ID: e.BaseKey}}}
		}

		result, _, err := jsonpathEval(pathExpr, rowVal)
		if err != nil {
			return nil, err
		}

		return jsonToValue(result)
	default:

		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	dstOpts.IndexCB = idxCb

	rawReader := srcInfo.Reader
	pReader := NewPutObjReader(rawReader)

	var objectEncryptionKey crypto.ObjectKey
	if isEncrypted {
		if !crypto.SSEC.IsRequested(r.Header) && crypto.SSEC.IsEncrypted(mi.UserDefined) {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrSSEMultipartEncrypted), r.URL)
			return
		}

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidSSECustomerAlgorithm), r.URL)
		return
	}

	var oldKey, newKey []byte
	var newKeyID string
	var kmsCtx kms.Context
	var objEncKey crypto.ObjectKey
	sseCopyKMS := crypto.S3KMS.IsEncrypted(srcInfo.UserDefined)
	sseCopyS3 := crypto.S3.IsEncrypted(srcInfo.UserDefined)
	sseCopyC := crypto.SSEC.IsEncrypted(srcInfo.UserDefined) && crypto.SSECopy.IsRequested(r.Header)

		objectEncryptionKey, err = decryptObjectMeta(nil, bucket, object, fi.Metadata)
		if err != nil {
			return oi, err
		}
	}
	if len(objectEncryptionKey) == 32 {
		var key crypto.ObjectKey
		copy(key[:], objectEncryptionKey)
		opts.EncryptFn = metadataEncrypter(key)
	}

	for idx, part := range partInfoFiles {
		if part.Error != "" {
			err = objPartToPartErr(part)

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}

	rawReader := hashReader
	pReader := NewPutObjReader(rawReader)
	var objectEncryptionKey crypto.ObjectKey

	// Check if bucket encryption is enabled
	sseConfig, _ := globalBucketSSEConfigSys.Get(bucket)
	sseConfig.Apply(formValues, sse.ApplyOptions{
		AutoEncrypt: globalAutoEncryption,
	})