Pull-based C2 framework with ten native transports, concurrent multi-profile handlers, and end-to-end ECDSA-signed tasking. Single Go binary agent with every property baked in at build time. Multi-operator team server with RBAC, audit chain, and a Qt/CLI console. Linux + Windows, amd64 + arm64.
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.
Open-source implementation of a substantial portion of the API of Apple CryptoKit suitable for use on all Swift supported platforms.
Bitcoin Core integration/staging tree
General purpose TLS and crypto library
The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.
⚡ Automatically decrypt encryptions without knowing the key or cipher, decode encodings, and crack hashes ⚡
An open source cybersecurity protocol for syncing decentralized graph data.
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
A powerful obfuscator for JavaScript and Node.js
A modern, portable, easy to use crypto library.
A lightweight, cryptography-powered, open-source toolkit built to enforce Zero Trust security for infrastructure, applications, and data in the AI-driven world.
The OWASP Mobile Application Security Testing Guide (MASTG) is a comprehensive manual for mobile app security testing and reverse engineering. It describes technical processes for verifying the OWASP Mobile Security Weakness Enumeration (MASWE) weaknesses, which are in alignment with the OWASP MASVS.
✍🏻 Source Code Deep Dives, System Design & Engineering Blogs | Halfrost-Field 冰霜之地:源码解析、系统设计与工程实践笔记
Community guide to using YubiKey for GnuPG and SSH - protect secrets with hardware crypto.
Monero: the secure, private, untraceable cryptocurrency
Perform data science on data that remains in someone else's server
Lightning Network Daemon ⚡️
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
A modern TLS library in Rust
The cryptography-based networking stack for building unstoppable networks with LoRa, Packet Radio, WiFi and everything in between.
RSA attack tool (mainly for ctf) - retrieve private key from weak public key and/or uncipher data
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.
⟁ Tendermint Core (BFT Consensus) in Go
free C++ class library of cryptographic schemes
An encrypted IPv6 network using public-key cryptography for address allocation and a distributed hash table for routing.
A native implementation of TLS in Javascript and tools to write crypto-based and network-heavy webapps
Decentralized cryptocurrency blockchain daemon implementing the XRP Ledger protocol in C++
Minimal implementation of the Mimblewimble protocol.
An implementation of the TLS/SSL protocols
A crypto-secure Reliable-UDP library for Golang with FEC support.
A Decentralized Operating System for ZK Applications
Apache Shiro is a powerful and easy-to-use Java security framework that performs authentication, authorization, cryptography, and session management
🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.
🛡 I2P: End-to-End encrypted and anonymous Internet
Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.
Portable OpenSSH
Homomorphic Encryption demos
[mirror] Go supplementary cryptography libraries
Cryptography Toolkit
A self-contained cryptographic library for Python
Project Wycheproof tests crypto libraries against known attacks.
Declare your digital independence
C library for prototyping and experimenting with quantum-resistant cryptography
The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
A modern, open source password manager for individuals and teams.
A dead simple tool to sign files and verify digital signatures.
Bouncy Castle Java Distribution (Mirror)
UFONet - Denial of Service Toolkit
A p2p, secure file storage, social network and application protocol
Cryptographic filesystem for the cloud
Collection of cryptographic hash functions written in pure Rust
BOLT: Basis of Lightning Technology (Lightning Network Specifications)
跨平台密码学工具箱。包含编解码,编码转换,加解密, 哈希,MAC,签名,大数运算,压缩,二维码功能,CTF等功能。
BouncyCastle.NET Cryptography Library (Mirror)
:lock: Trezor Firmware Monorepo
CIRCL: Cloudflare Interoperable Reusable Cryptographic Library
TFHE-rs: A Pure Rust implementation of the TFHE Scheme for Boolean and Integer Arithmetics Over Encrypted Data.
Unlocking the Full Potential of OPC UA with Typescript and NodeJS - http://node-opcua.github.io/
Official implementation of IoTeX blockchain protocol in Go. An ultra-efficient EVM blockchain offering 1000 TPS with instant 1-block finality. Perfect for DeFi, DePIN tokenomics, Identities, and any trusted logic requiring Web3 composability