t.Fatalf("Failed to initialize KMS: %v", err)
	}

	key, err := KMS.GenerateKey(context.Background(), "my-key", Context{})
	if err != nil {
		t.Fatalf("Failed to generate key: %v", err)
	}
	plaintext, err := KMS.DecryptKey(key.KeyID, key.Ciphertext, Context{})
	if err != nil {
		t.Fatalf("Failed to decrypt key: %v", err)
	}
	if !bytes.Equal(key.Plaintext, plaintext) {

	// a particular DEK. The context may be nil.
	GenerateKey(ctx context.Context, keyID string, context Context) (DEK, error)

	// DecryptKey decrypts the ciphertext with the key referenced
	// by the key ID. The context must match the context value
	// used to generate the ciphertext.
	DecryptKey(keyID string, ciphertext []byte, context Context) ([]byte, error)

	// DecryptAll decrypts all ciphertexts with the key referenced

	})
	if err != nil {
		return DEK{}, err
	}
	return DEK{
		KeyID:      keyID,
		Plaintext:  plaintext,
		Ciphertext: ciphertext,
	}, nil
}

func (kms secretKey) DecryptKey(keyID string, ciphertext []byte, context Context) ([]byte, error) {
	if keyID != kms.keyID {
		return nil, Error{
			HTTPStatusCode: http.StatusBadRequest,
			APICode:        "KMS.NotFoundException",

		return nil, err
	}
	return c.client.Encrypt(context.Background(), keyID, plaintext, ctxBytes)
}

// DecryptKey decrypts the ciphertext with the key at the KES
// server referenced by the key ID. The context must match the
// context value used to generate the ciphertext.
func (c *kesClient) DecryptKey(keyID string, ciphertext []byte, ctx Context) ([]byte, error) {
	c.lock.RLock()
	defer c.lock.RUnlock()

	if k == nil {
		return key, Errorf("KMS not configured")
	}
	keyID, kmsKey, sealedKey, err := s3.ParseMetadata(metadata)
	if err != nil {
		return key, err
	}
	unsealKey, err := k.DecryptKey(keyID, kmsKey, kms.Context{bucket: path.Join(bucket, object)})
	if err != nil {
		return key, err
	}
	err = key.Unseal(unsealKey, sealedKey, s3.String(), bucket, object)
	return key, err
}

	}
	if fips.Enabled && metadata.Algorithm != sio.AES_256_GCM {
		return nil, fmt.Errorf("config: unsupported encryption algorithm: %q is not supported in FIPS mode", metadata.Algorithm)
	}

	key, err := k.DecryptKey(metadata.KeyID, metadata.KMSKey, context)
	if err != nil {
		return nil, err
	}
	stream, err := metadata.Algorithm.Stream(key)
	if err != nil {
		return nil, err
	}

- `GenerateKey`: Takes a key ID and generates a new data key from a master key referenced by the key ID. It returns the new data key in two different forms: The plain data key and the data key encrypted using the master key.

- `DecryptKey`: Takes a key ID and an encrypted data key and returns the plain data key - the decryption of the encrypted data key using the master key referenced by the key ID - on success or an error otherwise.

		return key, err
	}
	if ctx == nil {
		ctx = kms.Context{bucket: path.Join(bucket, object)}
	} else if _, ok := ctx[bucket]; !ok {
		ctx[bucket] = path.Join(bucket, object)
	}
	unsealKey, err := k.DecryptKey(keyID, kmsKey, ctx)
	if err != nil {
		return key, err
	}
	err = key.Unseal(unsealKey, sealedKey, s3.String(), bucket, object)
	return key, err
}

	if GlobalKMS == nil {
		return nil, errKMSNotConfigured
	}
	keyID, kmsKey, sealedKey, err := crypto.S3.ParseMetadata(meta)
	if err != nil {
		return nil, err
	}
	extKey, err := GlobalKMS.DecryptKey(keyID, kmsKey, 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

			return
		}
		writeSuccessResponseJSON(w, resp)
		return
	}

	// 2. Verify that we can indeed decrypt the (encrypted) key
	decryptedKey, err := GlobalKMS.DecryptKey(key.KeyID, key.Ciphertext, kmsContext)
	if err != nil {
		response.DecryptionErr = err.Error()
		resp, err := json.Marshal(response)
		if err != nil {