libsignal-protocol-java vs openssl-android

libsignal-protocol-java

Signal Protocol library for Java/Android (by signalapp)

Security

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openssl-android

a version of the official Android openssl setup to build standalone for use in app (by guardianproject)

Security

Source Code

guardianproject.info

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libsignal-protocol-java		openssl-android
	Project
7	Mentions	8
1,701	Stars	376
-	Growth	0.0%
0.0	Activity	0.0
over 2 years ago	Latest Commit	about 11 years ago
Java	Language	C
GNU General Public License v3.0 only	License	GNU General Public License v3.0 or later

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

libsignal-protocol-java

Posts with mentions or reviews of libsignal-protocol-java. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-11-24.

The Joy of Cryptography
3 projects | news.ycombinator.com | 24 Nov 2021

Signal message keys seem to include an IV. [1] Message keys are generated by passing a chain key through a key derivation function. [2] So you can also expand a shared secret established through Diffie-Hellman.
Someone please correct me if I'm wrong.
[1] https://github.com/signalapp/libsignal-protocol-java/blob/ma...
[2] https://signal.org/docs/specifications/doubleratchet/Set0_1....
Facebook will verschlüsselte WhatsApp Nachrichten analysieren
1 project | /r/de_EDV | 5 Aug 2021
Aprovado a 06/07/2021 o ChatControl permite a monitorização de todas as trocas de correspondecias digitais na UE, ordem judicial não é necessária e utilizadores "inspecionados" não são informados.
1 project | /r/portugal | 9 Jul 2021

Parece que a lib de encriptação do WhatsApp é baseada na do Signal.
End to end encryption in chat application
1 project | /r/androiddev | 2 May 2021

You might want to use the Signal protocol libraries https://github.com/signalapp/libsignal-protocol-java
Question about Signal API
5 projects | /r/signal | 7 Feb 2021

Signal Protocol Java library
Telegram Can Oversee All Things That Happen In
1 project | /r/Telegram | 30 Jan 2021

Whatsapp provides API at least for business. Moreover, in theory the use signal protocol and signal library that are open source and available. Moreover, there are many projects, browser, that can connect to whatsapp server as rambox or ferdi.
Are There Any Tutorials On How To Use The Signal
3 projects | /r/signal | 24 Jan 2021

Signal protocol library for Java.

openssl-android

Posts with mentions or reviews of openssl-android. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-12-15.

Scheme in Scheme on WASM in the Browser
4 projects | news.ycombinator.com | 15 Dec 2023
FLOSSing for Lent 36/40 - TOR
2 projects | /r/opensource | 4 Apr 2023

Guardian Project - Get the TOR Browser for Android
Software Or App which can Hide or wipe data in instant for windos and Android
3 projects | /r/privacy | 20 Nov 2022

The Guardian Project has a lot of good information on this too
Help Iranians stay safe during the current uprising
3 projects | /r/privacy | 15 Oct 2022

https://guardianproject.info/ a great resource
Protecting journalists
1 project | /r/PrivacyGuides | 13 Sep 2022

Add The Guardian Project
Solarpunks and Encryption
3 projects | /r/solarpunk | 28 Feb 2022

The Guardian Project also has a variety of apps available that can be of interest to whistleblowers, activists, or people "just" interested in secure internet access and communication.
⟳ 0 apps added, 6 updated at guardianproject.info
4 projects | /r/FDroidUpdates | 13 Aug 2021

PixelKnot: Hidden Messages (version 102): Have a secret that you want to share? Why not hide it in a picture?
The “I'm New to F-Droid” Starter Pack
1 project | /r/gnu | 13 Jun 2021

Guardian Project maintains its alternative F-Droid repo.

What are some alternatives?

When comparing libsignal-protocol-java and openssl-android you can also consider the following projects:

signal-bot - A simple bot framework for Signal

android-security-awesome - A collection of android security related resources

Themis - Easy to use cryptographic framework for data protection: secure messaging with forward secrecy and secure data storage. Has unified APIs across 14 platforms.

gnupg-for-android

tweetnacl-java - TweetNaCl in Java - a port of TweetNaCl-js

Runtime Permission Handler - Handles all the boilerplate codes associated with runtime permissions for Android 6.0 and above.

Android Permission Check Library

Android Tamper Detector - A simple library that can help you detect if you app is modded or tampered with