An open API service indexing awesome lists of open source software.

Cryptography

Cryptography, or cryptology is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages.

https://github.com/domamaric/srs

Python solutions for laboratory exercises for Computer Security course at FER.

cryptography cryptography-algorithms password-manager passwords

Last synced: 11 Jun 2026

https://github.com/cosmian/cloudproof_rust

The Rust Cloudproof Data protection Library

cloudproof cryptography

Last synced: 27 Feb 2026

https://github.com/oelshocht/javacryptotoys

Java bytecode strings encryption and file signing

bytecode cryptography java security-tools

Last synced: 20 Jun 2026

https://github.com/abuzaidk1234/hybridtextfileencryptor

A lightweight and secure Python-based hybrid encryption tool using AES for content encryption and RSA for key protection — ideal for safely storing and transmitting sensitive text files.

aes cryptography cybersecurity encryption encryption-decryption python rsa text-encryption

Last synced: 09 Apr 2025

https://github.com/erik-castro/devsecurity

Colecao de 5 livros tecnicos open-source sobre seguranca de software em portugues (PT-BR): Security-Driven Development, DevSecOps, Analise de Malware, Concorrencia Segura e Criptografia Engenheira. C++17/20, CVEs documentados, 300K+ linhas.

application-security books concurrency cplusplus cryptography cybersecurity devsecops encryption fuzzing malware-analysis open-source owasp post-quantum-cryptography pt-br reverse-engineering secure-coding security thread-safety tls

Last synced: 25 Jun 2026

https://github.com/glitchedpolygons/glitchaes.blazorwebapp

GlitchAES (say: "glitches") is a web-based (zero-knowledge, static client-side only) GUI that wraps AES-GCM.

aes cryptography decryption encryption gcm symmetric

Last synced: 14 Feb 2026

https://github.com/rstacks/downunderctf2024-writeup

Writeups for the challenges I attempted at DownUnderCTF 2024.

cryptography ctf ctf-writeups forensics osint reverse-engineering web-exploitation

Last synced: 13 Apr 2026

https://github.com/daimdn/cryptography-messageencryption

Brief tutorial of Cryptography. Based on previous solutions. Can be used along for sending messages

cryptography java

Last synced: 06 Sep 2025

https://github.com/prasunchakra/EncipherX

A simple Django-based Caesar Cipher application demonstrating basic text encryption and decryption. Currently for learning fundamental cryptographic concepts, experimenting with shift-based ciphers, and later on building upon for more advanced encryption methods.

cipher cryptography django python

Last synced: 16 Sep 2025

https://github.com/farahsedd/secure-authentication-project

This project focuses on creating a reliable authentication and network services infrastructure using OpenLDAP, SSH, Apache, OpenVPN, DNS, and Kerberos.

apache authentication cryptography dns infrastructure kerberos network-security openldap openvpn ssh

Last synced: 08 Jan 2026

https://github.com/ben854719/trade-transfer-workflow-optimizer

This AI portfolio tools securely analyzes asset allocation, sector exposure, and performance. Its graph compares real and predicted close prices, enhanced with sentiment indicators such as “Confident” and “Surprised.” An avatar assistant provides user guidance combining technical accuracy with intuitive explanations.

agentic-ai avatar cryptography emotion-analysis encryption gemini json langgraph langraph machine-learning-algorithms matplotlib mcp-server numpy opencv-python pandas python pytorch rs256 seaborn

Last synced: 15 Feb 2026

https://github.com/tuokri/rs2-misc-tools-notes

Various RS2 modding related notes and code snippets.

cryptography reverse-engineering rising-storm-2-vietnam

Last synced: 18 Jan 2026

https://github.com/harens/kintercrypt

An easy-to-use encryption program, built from the ground up for educational purposes only

cryptography tkinter xor-cipher

Last synced: 13 Jun 2025

https://github.com/tonysamperi/krypto

Modern tree-shakeable TypeScript version of crypto-js

crypto crypto-js crypto-ts cryptography typescript typescript-library

Last synced: 01 Mar 2026

https://github.com/girish1729/openssl-cheatsheet

OpenSSL command line toolkit cheatsheet

command-line cryptography openssl

Last synced: 19 Mar 2026

https://github.com/ivanstambuk/openauth-sim

Authentication protocol simulator in Java 17 covering OATH HOTP/TOTP/OCRA, FIDO2/WebAuthn, EMV/CAP, and EUDI wallet/OpenID4VP

authentication cap cryptography emv eudi-wallet fido2 java oath ocra otp simulator webauthn

Last synced: 14 Jan 2026

https://github.com/projects-developer/top-cryptography-projects-with-source-code

Cryptography is the practice and study of techniques for secure communication by transforming plaintext. Top 10 Cryptography Projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

aes-communication-security b-techprojects bca-projects communication computer-science-projects computerscienceprojects cryptography diffie-hellman-key-exchange final-year-projects finalyearprojects gif-malware-project m-techprojects mca-projects steganography super-cipher-projects triple-des-projects

Last synced: 07 Jan 2026

https://github.com/alex-snd/vigener

🔓 The project is intended for convenient key recovery from the ciphertext obtained using the Vigenère cipher.

cryptography

Last synced: 29 May 2026

https://github.com/filiprokita/tosha256

This is a Python script that prompts the user to enter a string of text and then calculates its SHA-256 hash using the hashlib library. The resulting hash is then printed to the console.

cryptography data-integrity hash hashing python security sha256 tosha

Last synced: 24 Mar 2025

https://github.com/krisarmstrong/enigma-v300

> Complete collection of Enigma V300 option key algorithm implementations

c calculator ci-cd cpp cryptography encryption enigma fluke github-actions nettool network-testing option-keys python

Last synced: 04 Mar 2026

https://github.com/hashlag/genc

Command line file encryption tool in GoLang

cryptography golang

Last synced: 12 Jul 2025

https://github.com/qalle2/nes-md5

Qalle's MD5 Hasher (NES)

6502 assembly cryptography homebrew md5 nes

Last synced: 16 Apr 2026

https://github.com/allenvox/infosec

Workspace for Information Security class

cryptography go information-security

Last synced: 12 Jun 2026

https://github.com/mcp-tool-shop-org/ledger-suite

Unified monorepo for cryptographic provenance ledgers — ClaimLedger and CreatorLedger

append-only cryptography digital-signatures dotnet ed25519 ledger monorepo open-source provenance typescript

Last synced: 01 Apr 2026

https://github.com/pryority/merkle-next

WIP - I wanted to remake the example website from the Merkletree.js repo in Next.js

cryptography ethereum merkletreejs nextjs react tailwindcss

Last synced: 12 Apr 2026

https://github.com/kharizzakaye/message-encoder-decoder

A Python program that encodes and decodes a message. Built with Tkinter and Python Base64.

base64 cryptography python3 tkinter

Last synced: 03 Jul 2026

https://github.com/farfarfun/funsecret

加密和安全工具包 - 提供加密、解密和安全相关功能

cryptography encryption farfarfun python secret security

Last synced: 05 Mar 2026

https://github.com/nvnx7/cryptopals-cryptography-cracks

Rust implementation of cracks of cryptopals challenges

challenge crypto cryptography rust

Last synced: 22 Dec 2025

https://github.com/paolino/keri-lean

Lean 4 formalization of KERI protocol invariants

cryptography formal-verification keri lean4 theorem-proving

Last synced: 05 Mar 2026

https://github.com/kamb-code/sha256-r19-preimage

Oracle-free preimage attack on 19-round reduced SHA-256 — paper, solver, and independent verifier

cryptanalysis cryptography cuda gpu hash-functions preimage-attack security-research sha256

Last synced: 27 Jun 2026

https://github.com/ar-io/ar-io-mlflow

MLflow plugin for verifiable ML provenance, anchored to ar.io

ar-io arweave cryptography mlflow mlops provenance verification

Last synced: 13 Jun 2026

https://github.com/nuwax-io/nuwault-core

Generate consistent, secure passwords from keywords. TypeScript-based, with smart entropy controls.

client-side-encryption cryptography deterministic encryption hash password password-generator privacy-first security-tools web-crypto-api

Last synced: 03 Jun 2026

https://github.com/validpay-io/validpay-react-native-sdk

Official React Native SDK for ValidPay CVCP — QR-based cryptographic document verification for mobile apps.

check-fraud cryptography document-verification mobile-sdk qr-verification react-native

Last synced: 15 Jun 2026

https://github.com/ia/crypto

crypto means cryptography

base64 challenges cryptography perl xor

Last synced: 11 Feb 2026

https://github.com/bokelleher/sesame-sdk

Portable SDK and conformance vectors for SESAME, the proposed SCTE 130-9 security layer for the ESAM interface: HMAC auth, channel-scoped authorization, and AES-256-GCM payload encryption over HTTP headers.

ad-insertion aes-gcm authentication cryptography esam hmac rust scte scte-130 sesame

Last synced: 15 Jun 2026

https://github.com/hugoxox3/bitkeygen

BitKeyGen: A Python tool to generate Bitcoin private keys, WIFs, and addresses. Perfect for developers and crypto enthusiasts! Save keys to wallet.json securely. 🚀🔑 #Bitcoin #Crypto

bitcoin bitcoin-hacks bitcoin-key-generation bitcoin-wallet cryptocurrency cryptography cryptography-and-security

Last synced: 17 Apr 2026

https://github.com/karim-agha/rc5

RC5 Cipher Implementation in Rust

cryptography rust security

Last synced: 24 Mar 2025

https://github.com/forgesworn/shamir-core

GF(256) Shamir's Secret Sharing — split and reconstruct secrets with threshold schemes

cryptography gf256 key-splitting secret-sharing shamir threshold typescript

Last synced: 04 Apr 2026

https://github.com/osennij-morok/korobu

A tool for encryption and decryption written in Rust

cryptography egui rust

Last synced: 10 Sep 2025

https://github.com/akshdzn/encore

Encore is a web based tool for obfuscating or scrambling text using a variety of methods. Useful for scavenger hunts, easter eggs, or just fun.

cipher cryptography css html svelte tools vite

Last synced: 18 Apr 2026

https://github.com/ocdbytes/secp256k1_bitcoin

This is the cryptography algorithm used in bitcoin to generate public and private keys. Bitcoin uses SECP256k1 C-language library to use this encryption in the Bitcoin operating system.

bitcoin cryptography rsa-cryptography secp256k1

Last synced: 18 Apr 2026

https://github.com/hungrybluedev/python-basic-cryptography

Implemenation of basic Cryptography techniques and algorithms, along with tools useful for analysis.

algorithm cryptography python3

Last synced: 08 Apr 2025

https://github.com/saiteja-talluri/cryptosuite-application

A small cryptosuite application written in C++

cryptography miller-rabin rsa-encryption

Last synced: 19 Apr 2026

https://github.com/nir3x/cryptorand.cpp

CryptoRand.cpp - Random Key Generation using Cryptographic Techniques

algorithm algorithms c-plus-plus cpp cryptography encryption entropy random random-number-generation security

Last synced: 04 Jun 2026

https://github.com/pedroalbanese/leacrypt

TTAK.KO-12.0223 Lightweight Encryption Algorithm (ISO/IEC 29192-2:2019) with Galois/Counter Mode (LEA-GCM)

aead cryptography golang lea symmetric-encryption

Last synced: 16 Jun 2026

https://github.com/nuraj250/lockbox-secure-password-manager

LockBox is a lightweight yet powerful password manager built with Python. It encrypts and securely stores your passwords, providing an intuitive CLI and optional GUI for easy access. Say goodbye to forgotten passwords and hello to secure automation! 🔒🚀

authentication automation cryptography cybersecurity encryption lockbox password-manager pyqt5 python secure-storage sqlite

Last synced: 21 Apr 2026

https://github.com/acifani/cryptopals-challenges

🔒 Personal take on the cryptopals crypto challenges, in Go

cryptography cryptopals-challenges go golang

Last synced: 14 Feb 2026

https://github.com/angeldollface/doll-cipher

A Rustacean implementation of an encryption algorithm of my own design. :lock: :dolls:

aes-encryption cryptography rust-lang rust-library

Last synced: 29 May 2026

https://github.com/timyiu478/cryptography-i

Cryptography I: foundational cryptographic principles and primitives course by Dan Boneh, Stanford University

aes-encryption cryptography protocol rsa-cryptography security

Last synced: 29 Jun 2026

https://github.com/teawithsand/crypka

Crypka makes writting apps that use cryptography easier

crypto cryptography encryption encryption-decryption-library

Last synced: 23 Apr 2026

https://github.com/moeenn/go-token

Generate crypto-random strings (i.e. tokens) of any length

crypto-random-string cryptography go golang token

Last synced: 11 Mar 2026

https://github.com/selendra/contract-registry

Selendra Contract Registry is a WASM smart contract registry writen in Rust based on ink! smart contract framwork.

cryptocurrency cryptography p2p-network payment rustlang smart-contracts token wasm

Last synced: 24 Apr 2026

https://github.com/redx94/quantumblockchainautomation

A revolutionary initiative combining Quantum Computing and Blockchain Technology to establish a secure, decentralized system for quantum-powered data integrity. This project pioneers the fusion of advanced quantum randomness with blockchain's immutability, ensuring unmatched reliability and security for distributed data processes

blockchain blockchain-immutability cryptography data-integrity decentralization distributed-systems ethereum flask-dashboard ganache ibm-quantum-experience qiskit quantum quantum-blockchain-fusion quantum-randomness quantum-security quatum-cryptography smart-contracts zeromq

Last synced: 24 Apr 2026

https://github.com/simplito/crypt-erl

Erlang wrapper for unix libcrypt library

bcrypt cryptography erlang libcrypt

Last synced: 06 Jun 2026

https://github.com/jurshsmith/vaultstream

High-Performance Distributed Digital Signature System

cryptography ecdsa-key-pair golang jetstream nats-streaming postgresql

Last synced: 25 Apr 2026

https://github.com/ntdls/rijndael

A Rijndael/AES c++ implementation.

aes cryptography rijndael

Last synced: 25 Apr 2026

https://github.com/toxic-whitelgnd/matrice_cryptography

A simple math Project based on Matrices-Cryptography by using python-numpy

cryptography math-problem matrices numpy python3

Last synced: 25 Apr 2026

https://github.com/magical/gimli

Go implementation of http://gimli.cr.yp.to/

cryptography

Last synced: 24 Mar 2025

https://github.com/yawning/tuplehash

NIST SP 800-185 TupleHash (mirror)

cryptography cryptography-algorithms go golang sha3

Last synced: 29 May 2026

https://github.com/tykoth/cryptopsy

Encryption/Decryption tests.

command-line cryptography cryptojs testing

Last synced: 26 Apr 2026

https://github.com/ilyakotsar/imagecrypt

Image encryption with a password using rail fence cipher

cryptography encryption image-encryption rail-fence-cipher

Last synced: 09 Aug 2025

https://github.com/fzed51/spicy-mash

Classe de cryptage et décryptage simplifiée se basant sur OpenSSL

cryptography openssl php simple

Last synced: 14 Jan 2026

https://github.com/yunomiwell/nullwire

Encrypting messages is solved. Hiding that you sent one isn't — yet. NullWire: Loopix mixnet + X3DH/Double Ratchet E2E + Solana control plane. Pre-alpha. Whitepaper v0.3.

anonymous-communication blockchain cryptography double-ratchet loopix mixnet p2p post-quantum privacy rust solana sphinx x3dh zero-knowledge

Last synced: 27 Apr 2026

https://github.com/luizwt/cryptomatrix

Sistema simples de criptografia e decriptação baseado na geração de uma matriz 7x7 com chave compartilhada

cryptography matrix python3

Last synced: 18 Apr 2025

https://github.com/l0g0rhythm/cryptoolsec

Secure Python CLI & GUI tool for efficient file/stream encryption & decryption (AES-256-GCM, streaming I/O). Supports passwords (Argon2id+Salt) or key files. Built for security and automation

aes aes-256 aes-gcm argon2 argon2id authenticated-encryption cli cross-platform cryptography decryption encryption file-encryption gui kdf pyside6 python python3 qt6 security streaming

Last synced: 27 Apr 2026

https://github.com/glinford/oqs.js

Node.js Bindings for liboqs

cryptography nodejs postquantum

Last synced: 28 Apr 2026

https://github.com/zacharytamas/rsa-server

A simple Node.js server for storing and verifying public keys.

cryptography nodejs

Last synced: 28 Apr 2026

https://github.com/armanghobadi/uecdh

is a lightweight, standards-compliant Elliptic Curve Diffie-Hellman (ECDH) key exchange library for MicroPython, optimized for ESP32 and other resource-constrained IoT devices

cryptography ecdh esp32 microcontroller micropyhton

Last synced: 28 Apr 2026

https://github.com/juanfkurucz/proyecto-seguridad

Subject "Seguridad" (Security) from Universidad Catolica del Uruguay

cryptography hashing python security

Last synced: 24 Mar 2025

https://github.com/jacob-ian/deno_rsa

Generate/decode RSA Public and Private Keys and create signatures with SHA256withRSA (RS256) in Deno.

cryptography deno denoland rsa typescript

Last synced: 29 Apr 2026

https://github.com/joaoiacillo/vault-guard

A script utility for encrypting and decrypting Obsidian vaults.

cryptography gpg obsidian pgp security

Last synced: 29 Apr 2026

https://github.com/ismaelvr1999/encrydb

This project is a database management system created from scratch, with a focus on security and encryption.

cryptography database nacl pynacl python

Last synced: 29 Apr 2026

https://github.com/cloudflareresearch/anonymous-credentials-agent-demo

Demo for Anonymous Credentials Token for Rate-Limiting Agents

agents cryptography mcp token

Last synced: 29 Apr 2026

https://github.com/andrenevesgomes/criptografia

No âmbito da disciplina de Criptografia foi-nos requisitado a realização de um trabalho de grupo centrado na realização de um algoritmo de encriptação de forma a refletir todo o conhecimento adquirido ao longo das aulas realizadas.

cryptography istec school-project scytale-cipher

Last synced: 09 Mar 2025

https://github.com/defeo/hhs-keyex

Research paper on improving the Hard Homogeneous Spaces key exchange protocol (by Couveignes and Rostovtsev-Stolbunov)

asymmetric-cryptography cryptography elliptic-curves isogenies key-exchange-protocol research-paper

Last synced: 11 Mar 2026

https://github.com/idleberg/node-wp-salts

Generates an object of default WordPress salts. Fully offline.

cryptography nodejs wordpress wordpress-salt

Last synced: 27 Dec 2025

https://github.com/artainmo/ft_ssl

42 school project. Recoding the MD5 and SHA-256 cryptographic hashing algorithms in C.

42shcool algorithm c cryptography cybersecurity

Last synced: 16 Mar 2025

https://github.com/erik-castro/easy_enc

easy_enc.sh é uma ferramenta simples e eficiente para encriptação e decriptação de arquivos e dados utilizando OpenSSL, desenvolvida em Bash. Suporta criptografia com o algoritmo AES-256-CBC e permite a escolha entre salvar os resultados em arquivos ou imprimi-los diretamente na saída padrão.

aes-256 bash cli-tool command-line-tool cryptography cybersecurity data-encryption encryption file-encryption openssl pbkdf2 script security-tools shell-script simple-encrypt

Last synced: 01 May 2026