Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Multi-platform transparent client-side encryption of your files in the cloud

Project Wycheproof tests crypto libraries against known attacks.

Spongy Castle - a repackage of Bouncy Castle for Android (which ships a crippled version of BC)

Capillary is a library to simplify the sending of end-to-end encrypted push messages from Java-based application servers to Android clients.

A shared preference implementation for confidential data in Android. Per default uses AES-GCM, BCrypt and HKDF as cryptographic primitives. Uses the concept of device fingerprinting combined with optional user provided passwords and strong password hashes.

Java binding to the Networking and Cryptography (NaCl) library with the awesomeness of libsodium

Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

(Android) Networking and Cryptography Library (NaCL) JNI binding. JNI is utilized for fastest access to native code. Accessible either in Android or Java application. Uses SWIG to generate Java JNI bindings. SWIG definitions are extensible to other languages.

A Java implementation of Shamir's Secret Sharing algorithm over GF(256).

Java library for distributed zero knowledge proof systems

Pure Java implementation of Macaroons: Cookies with Contextual Caveats for Decentralized Authorization in the Cloud. Android ready. Online playground available.

JCrypTool Core Plug-ins

Java web and command line applications demonstrating various security topics

PortableSigner - A Commandline and GUI Tool to digital sign PDF files with X.509 certificates

🎓Repository for university labs on FAMCS, BSU

User friendly GUI application for creating, managing and examining keystores, keys, certificates, certificate requests, certificate revocation lists and more

A FRamework for Efficient Secure COmputation

Ed25519 high-performance public-key signature system as a RubyGem (MRI C extension and JRuby Java extension)

Whitebox AES implementation in Java. Chow scheme.

A Java implementation of the Libsodium crypto library. For the lazy dev.

Repositório que contém os componentes para facilitar a implementação de assinatura digital nos padrões da ICP-BRASIL

A CONIKS implementation in Java

Simlar for android

Demos, Examples, Tutorials for using Microsoft SEAL library.

Format-Preserving Encryption Implementation in Java

A Java library for Paillier partially homomorphic encryption.

An Android implementation of the Libsodium cryptography library. For the lazy dev.

JCrypTool Crypto Plug-ins

A crypto-secure random bytes generator for react native