byte[] encrypted = storage.encryptCredentials(plaintext);
        assertNotNull(encrypted, "Encrypted long password should not be null");
        assertTrue(encrypted.length > plaintext.length, "Encrypted data should be larger due to IV and auth tag");

        char[] decrypted = storage.decryptCredentials(encrypted);
        assertArrayEquals(plaintext, decrypted, "Decrypted long password should match original");

	}
	return hex.EncodeToString(e)
}

// IsEncrypted reports whether the ETag is encrypted.
func (e ETag) IsEncrypted() bool {
	// An encrypted ETag must be at least 32 bytes long.
	// It contains the encrypted ETag value + an authentication
	// code generated by the AEAD cipher.
	//
	// Here is an incorrect implementation of IsEncrypted:
	//
	//   return len(e) > 16 && !bytes.ContainsRune(e, '-')
	//

        assertNotNull(cryptographer);

        String plainText = "Hello, World!";
        String encrypted = cryptographer.encrypt(plainText);
        assertNotNull(encrypted);
        assertFalse(plainText.equals(encrypted));

        String decrypted = cryptographer.decrypt(encrypted);
        assertEquals(plainText, decrypted);
    }

    @Test
    public void test_invertibleCryptography_withEmptyString() {

        Set<String> roleSet;
        boolean encrypted;
        String value;

        encrypted = false;
        value = "";
        roleSet = decodedRoleList(roleQueryHelperImpl, value, encrypted);
        assertEquals(0, roleSet.size());

        encrypted = false;
        value = "role1";
        roleSet = decodedRoleList(roleQueryHelperImpl, value, encrypted);
        assertEquals(0, roleSet.size());

	exit_1
fi

# Stat the SSEC objects from source site
echo "Stat minio1/test-bucket/encrypted"
./mc stat --no-list minio1/test-bucket/encrypted --enc-c "minio1/test-bucket/encrypted=${TEST_MINIO_ENC_KEY}" --insecure --json
stat_out1=$(./mc stat --no-list minio1/test-bucket/encrypted --enc-c "minio1/test-bucket/encrypted=${TEST_MINIO_ENC_KEY}" --insecure --json)
src_obj1_etag=$(echo "${stat_out1}" | jq '.etag')

        long sessionId = 0x123456789ABCDEF0L;

        // When - Encrypt
        byte[] encrypted = context.encryptMessage(plaintext, sessionId);

        // Then - Verify encrypted message structure
        assertNotNull(encrypted, "Encrypted message should not be null");
        assertTrue(encrypted.length > plaintext.length, "Encrypted message should be larger than plaintext");

1a) Send encrypted data key and master key ID to KMS.
1b) Receive decrypted data key.
2)  Decrypt encrypted object key with the KEK derived from the data key.
3a) Receive new plain data key from the KMS using the master key ID of the server config.
3b) Receive encrypted form of the data key from the KMS.
4)  Derive a new KEK from the new data key and re-encrypt the OEK with it.

func TestIsEncrypted(t *testing.T) {
	for i, test := range isEncryptedTests {
		if _, isEncrypted := IsEncrypted(test.Metadata); isEncrypted != test.Encrypted {
			t.Errorf("Test %d: got '%v' - want '%v'", i, isEncrypted, test.Encrypted)
		}
	}
}

var s3IsEncryptedTests = []struct {
	Metadata  map[string]string
	Encrypted bool
}{
	{Encrypted: false, Metadata: map[string]string{MetaMultipart: ""}},                             // 0

		return data, nil
	}
	if _, encrypted := crypto.IsEncrypted(o.UserDefined); encrypted {
		decrypted, err := o.metadataDecrypter(h)("object-checksum", data)
		if err != nil {
			return nil, err
		}
		data = decrypted
	}
	return data, nil
}

// metadataEncryptFn provides an encryption function for metadata.
// Will return nil, nil if unencrypted.

    /**
     * Encrypts the given data.
     *
     * @param data
     *            the data to encrypt
     * @return the encrypted data
     */
    public byte[] encrypt(final byte[] data) {
        final Cipher cipher = pollEncryptoCipher();
        byte[] encrypted;
        try {
            encrypted = cipher.doFinal(data);