Security tools, cryptography, and vulnerability research
2,615 repositories found
🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.
End-To-End is a crypto library to encrypt, decrypt, digital sign, and verify signed messages (implementing OpenPGP)
An experiment.
Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.
🛡 I2P: End-to-End encrypted and anonymous Internet
Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA
Hide secrets with invisible characters in plain text securely using passwords 🧙🏻♂️⭐
Portable OpenSSH
An FHE compiler for C++
HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.
A self-contained cryptographic library for Python
Cryptography Toolkit
Project Wycheproof tests crypto libraries against known attacks.
A modern, open source password manager for individuals and teams.
yubikey-agent is a seamless ssh-agent for YubiKeys.
C library for prototyping and experimenting with quantum-resistant cryptography
Collect libraries and packages about blockchain/cryptography in Rust
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!
Collection of resources spanning key areas of Computer Science
Software sandbox for storage of sensitive information in memory.
Declare your digital independence
A dead simple tool to sign files and verify digital signatures.
Step-by-step guide on how to create a GPG key on keybase.io, adding it to a local GPG setup and using it with Git and GitHub.
The Nexus zkVM: The zero-knowledge virtual machine
A very small, very simple, yet very secure encryption tool.
Private messaging system that hides metadata
UFONet - Denial of Service Toolkit
A simple management tool for dnscrypt-proxy
A p2p, secure file storage, social network and application protocol
Encrypt and Decrypt files securely in your browser.