+1, https://www.dropbox.com/forgot https://www.dropbox.com/forgot is a password reset link. Besides, there is much more to cryptography and building a secured

+1, https://www.dropbox.com/forgot https://www.dropbox.com/forgot is a password reset link. Besides, there is much more to cryptography and building a secured system than just using that crypto suit or another (e.g. AES256-HMAC-SHA256 etc.)