CreateKey(context.Context, *CreateKeyRequest) error

	ListKeys(context.Context, *ListRequest) ([]madmin.KMSKeyInfo, string, error)

	// GenerateKey generates a new data encryption key using the
	// key referenced by the key ID.
	//
	// The KMS may use a default key if the key ID is empty.
	// GenerateKey returns an error if the referenced key does
	// not exist.
	//
	// The context is associated and tied to the generated DEK.

	if s.containsKeyName(req.Name) {
		return ErrKeyExists
	}
	s.KeyNames = append(s.KeyNames, req.Name)
	return nil
}

// GenerateKey is a non-functional stub.
func (s StubKMS) GenerateKey(_ context.Context, req *GenerateKeyRequest) (DEK, error) {
	if !s.containsKeyName(req.Name) {
		return DEK{}, ErrKeyNotFound
	}
	return DEK{
		KeyID:      req.Name,
		Version:    0,

// 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 {
		random = rand.Reader
	}

	if req.Prefix == "*" {
		req.Prefix = ""
	}
	return k.conn.ListKeys(ctx, req)
}

// GenerateKey generates a new data key using the master key req.Name.
// It returns ErrKeyNotFound if the key does not exist. If req.Name is
// empty, the KMS default key is used.
func (k *KMS) GenerateKey(ctx context.Context, req *GenerateKeyRequest) (DEK, error) {
	if req.Name == "" {
		req.Name = k.DefaultKey
	}

	logger.DisableLog = true

	for i, test := range generateKeyTests {
		i, test := i, test
		func() {
			defer recoverTest(i, test.ShouldPass, t)
			key := GenerateKey(test.ExtKey[:], test.Random)
			if [32]byte(key) == [32]byte{} {
				t.Errorf("Test %d: generated key is zero key", i) // check that we generate random and unique key
			}
		}()
	}
}

	if req.Name != s.keyID {
		return ErrNotSupported
	}
	return ErrKeyExists
}

// GenerateKey decrypts req.Ciphertext. The key name req.Name must match the key
// name of the secretKey.
//
// The returned DEK is encrypted using AES-GCM and the ciphertext format is compatible
// with KES and MinKMS.
func (s secretKey) GenerateKey(_ context.Context, req *GenerateKeyRequest) (DEK, error) {
	if req.Name != s.keyID {

	}
	return nil
}

// GenerateKey generates a new data encryption key using
// the key at the KES server referenced by the key ID.
//
// The default key ID will be used if keyID is empty.
//
// The context is associated and tied to the generated DEK.
// The same context must be provided when the generated
// key should be decrypted.

		if GlobalKMS == nil {
			return crypto.ObjectKey{}, errKMSNotConfigured
		}
		key, err := GlobalKMS.GenerateKey(ctx, &kms.GenerateKeyRequest{
			AssociatedData: kms.Context{bucket: path.Join(bucket, object)},
		})
		if err != nil {
			return crypto.ObjectKey{}, err
		}

		objectKey := crypto.GenerateKey(key.Plaintext, rand.Reader)

func TestSingleKeyRoundtrip(t *testing.T) {
	KMS, err := ParseSecretKey("my-key:eEm+JI9/q4JhH8QwKvf3LKo4DEBl6QbfvAl1CAbMIv8=")
	if err != nil {
		t.Fatalf("Failed to initialize KMS: %v", err)
	}

	key, err := KMS.GenerateKey(context.Background(), &GenerateKeyRequest{Name: "my-key"})
	if err != nil {
		t.Fatalf("Failed to generate key: %v", err)
	}
	plaintext, err := KMS.Decrypt(context.TODO(), &DecryptRequest{
		Name:       key.KeyID,

		return
	}

	kmsContext := kms.Context{"MinIO admin API": "KMSKeyStatusHandler"} // Context for a test key operation
	// 1. Generate a new key using the KMS.
	key, err := GlobalKMS.GenerateKey(ctx, &kms.GenerateKeyRequest{Name: keyID, AssociatedData: kmsContext})
	if err != nil {
		response.EncryptionErr = err.Error()
		resp, err := json.Marshal(response)
		if err != nil {