byte[] hash2 = md5_2.digest(data);

        // Then
        assertArrayEquals(hash1, hash2);
    }

    @Test
    @DisplayName("Should generate secure random bytes")
    void testSecureRandomGeneration() throws java.security.NoSuchAlgorithmException {
        // Given
        int length = 16;

        // When
        byte[] random1 = new byte[length];
        byte[] random2 = new byte[length];