This is just security through obscurity. It's no different than skipping password-hashing because you think you are too small be attacked (after all you can min

This is just security through obscurity. It's no different than skipping password-hashing because you think you are too small be attacked (after all you can minimize one more dependency). It works up until the point your business is actually worth anything. Libraries are not only larger because they are written for more use-cases, but also because they cover more tested edge cases.