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@scottyab
scottyab / SignatureCheck.java
Last active July 20, 2024 02:41
Simple Android signature check. Please note: This was created in 2013, not actively maintained and may not be compatible with the latest Android versions. It's not particularly difficult for an attacker to decompile an .apk, find this tamper check, replace the APP_SIGNATURE with theirs and rebuild (or use method hooking to return true from `vali…
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.Signature;
public class TamperCheck {
//we store the hash of the signture for a little more protection
private static final String APP_SIGNATURE = "1038C0E34658923C4192E61B16846";
@staltz
staltz / introrx.md
Last active July 22, 2024 09:31
The introduction to Reactive Programming you've been missing
// Restify Server CheatSheet.
// More about the API: http://mcavage.me/node-restify/#server-api
// Install restify with npm install restify
// 1.1. Creating a Server.
// http://mcavage.me/node-restify/#Creating-a-Server
var restify = require('restify');
@tahmidsadik
tahmidsadik / purgeAndroid.txt
Created September 19, 2015 18:47
How to completely remove Android Studio from Mac OS X
How to Completely Remove Android Studio
Execute these commands from the terminal
rm -Rf /Applications/Android\ Studio.app
rm -Rf ~/Library/Preferences/AndroidStudio*
rm ~/Library/Preferences/com.google.android.studio.plist
rm -Rf ~/Library/Application\ Support/AndroidStudio*
rm -Rf ~/Library/Logs/AndroidStudio*
@ygotthilf
ygotthilf / jwtRS256.sh
Last active July 22, 2024 13:05
How to generate JWT RS256 key
ssh-keygen -t rsa -b 4096 -m PEM -f jwtRS256.key
# Don't add passphrase
openssl rsa -in jwtRS256.key -pubout -outform PEM -out jwtRS256.key.pub
cat jwtRS256.key
cat jwtRS256.key.pub
@leommoore
leommoore / mongodb_ssl_with_letsencrypt.md
Last active August 16, 2022 17:35
MongoDB 3.2.x SSL with Letsencrypt

MongoDB 3.2.x SSL with Letsencrypt

Letsencrypt is an initative which aims to increase the use of encryption for websites. It basically allows people to apply for free certificates provided that they prove the they control the requested domain. We will look at the what is needed to secure your MongoDB installation. For more details on setting up a MongoDB server see MongoDB 3.2.x.

Set the hostname

We sould to set the hostname to match the name of the certificate we are going to optain.

sudo hostname mongo0.example.com

Then update the hostname file to set the server name permanently.

@jonjack
jonjack / add-update-refresh-github-access-token-on-mac.md
Last active July 6, 2024 22:04
Adding & Updating GitHub Access Token on Mac

Using an Access Token for the first time

Follow the instructions on Github to Create an Access Token in Github

Configure Git to use the osxkeychain

By default, git credentials are not cached so you need to tell Git if you want to avoid having to provide them each time Github requires you to authenticate. On Mac, Git comes with an “osxkeychain” mode, which caches credentials in the secure keychain that’s attached to your system account.

You can tell Git you want to store credentials in the osxkeychain by running the following:-