Let's say you want to host domains first.com and second.com.
Create folders for their files:
Amirul Zin amirulzin
Diederikjh
/ Cryptography.java
Last active
November 6, 2025 21:16
Single class that handles encryption and decryption with keys using the Android `Keystore` API. Mostly inspired by this [blog post](https://medium.com/@ericfu/securely-storing-secrets-in-an-android-application-501f030ae5a3). This was tested with API 18 and 25 level emulator (and a level 23 device).
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| package com.example.yourapp; | |
| import android.annotation.SuppressLint; | |
| import android.content.Context; | |
| import android.content.SharedPreferences; | |
| import android.os.Build; | |
| import android.security.KeyPairGeneratorSpec; | |
| import android.security.keystore.KeyGenParameterSpec; | |
| import android.security.keystore.KeyProperties; | |
| import android.support.annotation.RequiresApi; |
cecilemuller
/ letsencrypt_2020.md
Last active
January 9, 2025 12:22
How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SSL rating)
tsiege
/ The Technical Interview Cheat Sheet.md
Last active
December 5, 2025 18:04
This is my technical interview cheat sheet. Feel free to fork it or do whatever you want with it. PLEASE let me know if there are any errors or if anything crucial is missing. I will add more links soon.
I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!
\