444 Open source projects that are alternatives of or similar to End To End

Minimalist secure text editor and binary encryptor that implements RFC 4880 Open PGP format: symmetrically encrypted, compressed and integrity protected. The editor can protect files with passwords, key files or both.

Officially supported Psi plugins

Authenticated key-value store (i.e. an urkel tree)

Type-safe general-cryptography library - https://jmcardon.github.io/tsec/

nFreezer is an encrypted-at-rest backup tool.

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

Simple Theorem Prover, an efficient SMT solver for bitvectors

secure interactive password manager with xchacha20poly1305, argon2id, and Go

The GNU Privacy Guard. NOTE: Maintainers are not tracking this mirror. Do not make pull requests here, nor comment any commits, submit them usual way to bug tracker (https://www.gnupg.org/documentation/bts.html) or to the mailing list (https://www.gnupg.org/documentation/mailing-lists.html).

Cryptography course slides at Harbin Institute of Technology

To the end of servers

👻 Post-quantum cryptography for Python.

A curated list of cryptography resources and links.

A Linux Ransomware

A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

Fast and efficient ed25519 signing and verification in Rust.

A Crypto-Secure, Production-Grade Reliable-UDP Library for golang with FEC

Keyshuffling Attack for Persistent Early Code Execution in the Nintendo 3DS Secure Bootchain

List of my talks and workshops: security engineering, applied cryptography, secure software development

A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps

Supersingular Isogeny Diffie-Hellman in Rust

High-speed secure pseudorandom function for short messages

Tangram Bamboo CLI Wallet

Charm: A Framework for Rapidly Prototyping Cryptosystems

Generator and supporting evidence for security of the Tweedledum/Tweedledee pair of elliptic curves suitable for Halo

Pwnable|Web Security|Cryptography CTF-style challenges

🔒 Happy Two-Factor Verifying!

Onion Routed Micropayments for the Lightning Network

A library for Partially Homomorphic Encryption in Python

Sample code and build environments for MPC frameworks

Учебное пособие по защите информации кафедры радиотехники и систем управления МФТИ

📱 Wire for iOS (iPhone and iPad)

Rust implementation of {t,n}-threshold ECDSA (elliptic curve digital signature algorithm).

KreMLin is a tool for extracting low-level F* programs to readable C code

PacketWhisper: Stealthily exfiltrate data and defeat attribution using DNS queries and text-based steganography. Avoid the problems associated with typical DNS exfiltration methods. Transfer data between systems without the communicating devices directly connecting to each other or to a common endpoint. No need to control a DNS Name Server.

An implementation of the Wickr Secure Messaging Protocol in C

IDA Pro's FindCrypt ported to Ghidra, with an updated and customizable signature database

Open source two-factor authentication for Android

Decentralized cryptocurrency blockchain daemon implementing the XRP Ledger in C++

Fuzzing cryptographic libraries. Magic bug printer go brrrr.

Remote Access Tool

a portable and fast pairing-based cryptography library

scp has a run-in with mosh (alpha)

Compiler-free Python crypto library backed by the OS, supporting CPython and PyPy

This repo is dedicated to Concordium Incentivized Testnet3.

Flame is an ActionScript library that provides a number of useful UI controls, collections, cryptographic services, and utilities to work with the Flex SDK.

Scalable collective authority

Virgil Core SDK allows developers to get up and running with Virgil Cards Service API quickly and add end-to-end security to their new or existing digital solutions to become HIPAA and GDPR compliant and more.

🎲 A Distributed Randomness Beacon Daemon - Go implementation

Safe and easy to use crypto for iOS and macOS

Java SDK of WeDPR-Lab-Core; WeDPR即时可用场景式隐私保护高效解决方案核心算法组件通用Java SDK

Secure API Toolkit

The Intel Homomorphic Encryption (HE) toolkit is the primordial vehicle for the continuous distribution of the Intel HE technological innovation to users. The toolkit has been designed with usability in mind and to make it easier for users to evaluate and deploy homomorphic encryption technology on the Intel platforms.

A secure and easy-to-use CLI password manager for macOS and Linux

Go implementation of the Kyber (version 3) post-quantum IND-CCA2 KEM.

A Filesystem Built On Top of the Web.

s2n : an implementation of the TLS/SSL protocols

A SDK/library for decentralized web and distributing computing projects

go and blockchain study note，欢迎各位志同道合的朋友一起完善，让更多的go或者区块链开发者能够有一份不错的学习资料

Python library and command line tool for configuring any YubiKey over all USB interfaces.