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Security
libsodium
7245 Stars
Sodium is a new, easy-to-use software library for encryption, decryption, signatures, password hashing and more.
Aug 22, 2016, jedisct1
jjwt
5095 Stars
JJWT aims to be the easiest to use and understand library for creating and verifying JSON Web Tokens (JWTs).
Aug 20, 2015, jwtk
conceal
2899 Stars
Conceal provides a set of easy to use APIs for performing fast encryption and authentication of data. Apps can use Conceal to encrypt data and large files stored in public locations, for example SD cards.
Jul 5, 2014, facebook
Cipher.so
1251 Stars
A simple way to encrypt your secure data like passwords into a native .so library.
Jan 12, 2018, MEiDIK
Android-Password-Store
1244 Stars
Android application compatible with ZX2C4's Pass command line application.
Dec 13, 2014, zeapo
PiracyChecker
1179 Stars
An Android library that prevents your app from being pirated / cracked using Google Play Licensing (LVL), APK signature protection and more.
May 29, 2016, javiersantos
Android-Security-Reference
641 Stars
This is a reference guide for Android Security things.
Jan 4, 2017, doridori
spongycastle
566 Stars
A repackage of Bouncy Castle for Android (which ships a crippled version of BC).
Jul 5, 2014, rtyley
AESCrypt-Android
557 Stars
Simple API to perform AES encryption on Android with no dependencies.
Apr 1, 2015, scottyab
NetCipher
552 Stars
This is an Android Library Project that provides multiple means to improve network security in mobile applications.
Jul 5, 2014, guardianproject
retroauth
389 Stars
Android library build on top of retrofit, for simple handling of authenticated requests.
Jul 26, 2015, andretietz
android-api-SecureKeys
367 Stars
A tiny lib (Less than 10 methods) to store constants where attackers will have a harder time to find.
Jun 19, 2017, saantiaguilera
Encryption
273 Stars
Encryption is a simple way to create encrypted strings to Android project.
Sep 13, 2014, simbiose
cwac-security
263 Stars
This project contains utility code related to Android security measures.
Dec 18, 2014, commonsguy
secure-storage-android
236 Stars
Storing Credentials securely on a Device is a must. To make that possible we have combined the Android Keystore for generating Cryptographic keys, and storing them securely and using those keys we encrypt the credentials and save them in the SharedPreferences.
Apr 25, 2017, adorsys
Heimdall.droid
233 Stars
Heimdall is an OAuth 2.0 client specifically designed for easy usage and high flexibility. It supports all grants as described in Section 4 as well as refreshing an access token as described in Section 6 of the The OAuth 2.0 Authorization Framework specification.
Jun 21, 2015, rheinfabrik
azure-activedirectory-library-for-android
138 Stars
Windows Azure Active Directory Authentication Library (ADAL) for Android.
Jul 5, 2014, AzureAD
Puff-Android
131 Stars
Password Utility Free Forever
Dec 19, 2016, PuffOpenSource
AuthManager
122 Stars
AuthManager is a library which eliminates the boilerplate of Google SignIn and SmartLock integration.
Dec 14, 2016, charbgr
security-showcase-android
121 Stars
Simple wrapper library in Kotlin is designed to save secret to local shared preferences using Android default security and Android Keystore. KeystoreCompat ensures handling LockScreen and compatibility among diversity of Android versions.
Apr 10, 2017, kotomisak
security-showcase-android
120 Stars
Simple wrapper library in Kotlin is designed to save secret to local shared preferences using Android default security and Android Keystore. KeystoreCompat ensures handling LockScreen and compatibility among diversity of Android versions.
Apr 10, 2017, kotoMJ
IOCipher
112 Stars
IOCipher provides a virtual encrypted disk for Android apps without requiring the device to be rooted. It uses a clone of the standard java.io API for working with files, so developers already know how to use it. Only password handling, and opening the virtual disk are what stand between the developer and working encrypted file storage. It is based on and SQLCipher.
Jul 12, 2014, guardianproject
RNCryptorNative
90 Stars
Android JNI model implementation of Rob Napier's RNCryptor.
May 29, 2016, TGIO
openpgp-api
88 Stars
openpgp-api-lib provides methods to execute OpenPGP operations, such as sign, encrypt, decrypt, verify, and more without user interaction from background threads. This is done by connecting your client application to a remote service provided by OpenKeychain or other OpenPGP providers.
Sep 3, 2014, open-keychain
jmacaroons
79 Stars
This Java library provides an implementation of macaroons, which are flexible authorization tokens that work great in distributed systems.
Sep 5, 2014, nitram509
easycrypt
76 Stars
Secure and efficient cryptography library for Android. (Auto fix SecureRandom bugs in API 18 and below.)
Sep 21, 2017, ryan652
EasyCrypt
76 Stars
Secure and efficient cryptography library for Android. (Auto fix SecureRandom bugs in API 18 and below.)
Sep 21, 2017, pvasa
Encryptor4j
75 Stars
Encryptor4j consists of a set of wrapper and utility classes that make leveraging cryptography in your application alot easier.
Apr 12, 2017, martinwithaar
RxSmartLock
43 Stars
Reactive extension for Google's Smart Lock for Passwords API.
Jan 4, 2016, ShlMlkzdh
Trialer
29 Stars
A small and simple library for managing trial period in your android app.
Mar 11, 2019, pzienowicz
Android-PGP
28 Stars
Adds (non native) PGP encryption and decryption support.
Feb 2, 2018, kibotu
SimpleEncryptionLib
28 Stars
SimpleEncryptorLibrary is a library for encryption and decryption strings in Android apps and PC/Mac Java applications.
Oct 11, 2016, hummatli
keystore-ultimate
26 Stars
Easy keystore manipulation.
Jun 19, 2018, leonardoxh
BillingProtector
22 Stars
BillingProtector is a small Android library aiming to check the device state & purchases security. Its main purpose is to block a transition if the application has been modified or patched; it can also be used to prevent applications from being executed on an unprotected/insecure environment.
Nov 4, 2018, AndreaCioccarelli
realm-encryption-helper
20 Stars
This is a lightweight library to generate a 64-bit random key and using AES Algorithm to encrypt/decrypt that random number to get a Secret Key and save it to Key Store.
Dec 30, 2017, tntkhang
android-security-guides
12 Stars
This project is created to provide standards for Android application security before making it live to Google Play.
Jun 30, 2019, rehmanmuradali
android_crypto
11 Stars
Cryptographic tools for the Android platform.
Mar 6, 2017, universum-studios
DroidCrypt
7 Stars
A simple Android Library for performing encryption with AES.
Jun 8, 2018, pahlevikun

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