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
		}
		if crypto.S3.IsEncrypted(mi.UserDefined) && crypto.SSEC.IsRequested(r.Header) {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrSSEMultipartEncrypted), r.URL)

func TestSSECCreateMetadata(t *testing.T) {
	defer func(l bool) { logger.DisableLog = l }(logger.DisableLog)
	logger.DisableLog = true
	for i, test := range ssecCreateMetadataTests {
		metadata := SSEC.CreateMetadata(nil, test.SealedKey)
		sealedKey, err := SSEC.ParseMetadata(metadata)
		if err != nil {
			t.Errorf("Test %d: failed to parse metadata: %v", i, err)
			continue
		}
		if sealedKey.Algorithm != test.SealedKey.Algorithm {

		if got != test.Expected {
			t.Errorf("SSE-S3: Test %d: Wanted %v but got %v", i, test.Expected, got)
		}
	}
	for i, test := range ssecIsRequestedTests {
		_, got := IsRequested(test.Header)
		if Requested(test.Header) != got {
			// Test if result matches.
			t.Errorf("Requested mismatch, want %v, got %v", Requested(test.Header), got)
		}
		got = got && SSEC.IsRequested(test.Header)
		if got != test.Expected {

			xhttp.AmzServerSideEncryptionCustomerKeyMD5:    []string{"7PpPLAK26ONlVUGOWlusfg=="},
		},
		copySource:     false,
		metadata:       nil,
		encryptionType: encrypt.SSEC,
		err:            nil,
	}, // 0
	{
		headers: http.Header{
			xhttp.AmzServerSideEncryptionCustomerAlgorithm: []string{"AES256"},

		m[xhttp.AmzServerSideEncryptionKmsID] = kmsKeyIDFromMetadata(metadata)
		if kmsCtx, ok := metadata[crypto.MetaContext]; ok {
			m[xhttp.AmzServerSideEncryptionKmsContext] = kmsCtx
		}
	case crypto.SSEC:
		m[xhttp.AmzServerSideEncryptionCustomerAlgorithm] = xhttp.AmzEncryptionAES
	}

	var toRemove []string
	for k := range cleanMinioInternalMetadataKeys(m) {
		if stringsHasPrefixFold(k, ReservedMetadataPrefixLower) {

		return
	}

	var forceMD5 []byte
	// Optimization: If SSE-KMS and SSE-C did not request Content-Md5. Use uuid as etag. Optionally enable this also
	// for server that is started with `--no-compat`.
	kind, _ := crypto.IsRequested(formValues)
	if !etag.ContentMD5Requested(formValues) && (kind == crypto.SSEC || kind == crypto.S3KMS || !globalServerCtxt.StrictS3Compat) {
		forceMD5 = mustGetUUIDBytes()
	}

				writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrInvalidBucketName), r.URL)
				return
			}
		}
		// Deny SSE-C requests if not made over TLS
		if !globalIsTLS && (crypto.SSEC.IsRequested(r.Header) || crypto.SSECopy.IsRequested(r.Header)) {
			if r.Method == http.MethodHead {
				if ok {
					tc.FuncName = "handler.ValidRequest"

	// Therefore, we adjust all ETags sent by the client to match what is stored
	// on the backend.
	kind, _ := crypto.IsEncrypted(fi.Metadata)

	var objectEncryptionKey []byte
	switch kind {
	case crypto.SSEC:
		if checksumType.IsSet() {
			if opts.EncryptFn == nil {
				return oi, crypto.ErrMissingCustomerKey
			}
			baseKey := opts.EncryptFn("", nil)
			if len(baseKey) != 32 {

		{"enc-mp-1", []int64{5*oneMiB + 1, 1}, mapCopy(metaWithSSEC)},
		{"enc-mp-2", []int64{5487701, 5487799, 3}, mapCopy(metaWithSSEC)},
		{"enc-mp-3", []int64{10499807, 10499963, 7}, mapCopy(metaWithSSEC)},
	}

	// SSEC can't be used with compression
	globalCompressConfigMu.Lock()
	compressEnabled := globalCompressConfig.Enabled
	globalCompressConfigMu.Unlock()
	if compressEnabled {
		objectInputs = objectInputs[0:9]
	}

		return &GetObjectReader{
			ObjInfo: objInfo,
		}, toObjectErr(errMethodNotAllowed, bucket, object)
	}

	// Set NoDecryption for SSE-C objects and if replication request
	if crypto.SSEC.IsEncrypted(objInfo.UserDefined) && opts.ReplicationRequest {
		opts.NoDecryption = true
	}

	if objInfo.Size == 0 {
		if _, _, err := rs.GetOffsetLength(objInfo.Size); err != nil {