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/hambosto/sweetbyte

A very small, very simple, yet very secure encryption tool.

aes-256 argon2id cryptography decryption encryption golang privacy-tools reed-solomon security security-tools xchacha20-poly1305

Last synced: 07 Oct 2025

https://github.com/PRoplayer282828/CryptoTrader

bitcoin btc crypto crypto-bot crypto-helper crypto-tools crypto-trading crypto-wallet cryptocurrencies cryptocurrency cryptography cryptotrade cryptotrader nft not notcoin ton toncoin trc usdt

Last synced: 11 Mar 2025

https://github.com/iosialectus/haskellcipherplay

Implementations of RSA, Blum Blum Shub PRNG, affine and polyalphabetic ciphers, and supporting number theory in Haskell.

cryptography functional-programming haskell number-theory prng rsa

Last synced: 02 Apr 2026

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

Advanced keyword-based password generator with client-side security, privacy focus and PWA support

client-side cryptography deterministic hashing offline password-generator password-strength privacy-first pwa security web-crypto

Last synced: 03 Jun 2026

https://github.com/denizumutdereli/go-cryptography

Cryptography with golang

asymetric-cryptography base58 bip32 bip39 bip44 cryptography ecdsa elliptic-curve hdwallet ripemd160 sha256 sha3-256

Last synced: 10 May 2026

https://github.com/thibmeu/rfc9500

Public Key Cryptography Test Keys from RFC 9500

cryptography rfc test

Last synced: 17 Apr 2026

https://github.com/kaushalag29/cryptography

Basic Cipher Codes With Python.Deals With Encryption and Decryption.

books cryptography python-script python2-7

Last synced: 26 Oct 2025

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/xkrejc70/mit-bis-project

BIS - Information System Security - Project: security mechanisms and applied cryptography

cryptography hacking penetration-testing vut-fit

Last synced: 03 Jan 2026

https://github.com/go-universal/cryptography

🔐 Cryptography utilities for Go.

asymetric-cryptography cryptography golang hashing symetric-cryptography

Last synced: 10 Apr 2025

https://github.com/aleksbelic/kryptonite-core

TypeScript cryptography library.

caesar-cipher cryptography cryptography-library typescript typescript-library

Last synced: 04 Apr 2026

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/robertmcatee/saigo

a simple encryption toolkit written in Go

cryptography encryption

Last synced: 14 Jan 2026

https://github.com/danielost/ecpoint-wrappers

Convenient wrappers for operations on elliptic curves in Golang.

cryptography ecc elliptic-curves

Last synced: 06 Oct 2025

https://github.com/kimmy665/cores

🚀 Build modern admin panels easily with CoreS, a responsive template using React, TypeScript, and Tailwind CSS. Perfect for streamlined web applications.

ahb-lite asic-design asp-net-core audio axi4 bitcoin carthage cocoapods coredata cryptocurrency cryptography open-isa open-source-hardware riscv rtl sram usb western-digital

Last synced: 18 Apr 2026

https://github.com/heyIsaac/TaskManager

😎🔎 A complete CRUD API for task management, an advanced level challenge proposed by DIO.me in its bootcamp with Avanade, currently has authentication with JWT token and much more (✿◕‿◕✿)

authentication-backend bootcamp-project consuming-api cryptography csharp dotnet entity-framework-core git jwt-authentication microsoft-identity minimal-api refit

Last synced: 24 Feb 2026

https://github.com/thearchitector/givemeaprivatekey-com

Hassle-free key pairs NOW

browser crypto cryptography free javascript private-key public-key tools website

Last synced: 04 Jun 2026

https://github.com/theaswanson/hash-tool

A Windows Forms application that computes various hashes of a given file or string, including MD4, MD5, SHA1, SHA256, SHA512, and Whirlpool.

cryptography dotnet hashing

Last synced: 04 Jun 2026

https://github.com/franziskuskiefer/key-store-rs

A key store in Rust

cryptography keystore traits

Last synced: 24 Mar 2025

https://github.com/viral32111/scrambler

A program to hide & protect messages for enhanced privacy.

c cipher cryptography encryption

Last synced: 09 Apr 2025

https://github.com/uofsc-fall-2022-math-587-001/homework5

Diffie-Hellman key exchange and ElGamal cryptosystem. Plus Shanks' algorithm for solving the discrete logarithm problem.

cryptography discrete-logarithm go latex math

Last synced: 12 May 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/sohnryang/crypto-contest-2020

상받은 2020년 암호경진대회 솔루션

block-cipher crypto-contest cryptography hill-cipher loop-unrolling

Last synced: 21 Apr 2026

https://github.com/aleph-im/signature-based-encryption

A simple proof of concept of generating an AES CryptoKey using an EIP-712 signed payload

cryptography encryption ethereum

Last synced: 22 Apr 2026

https://github.com/quantachain/quanta-android-core

Core Android library powering QuantaChain mobile applications, built in Rust for high-performance cryptographic operations and secure transaction handling.

cryptography pqc

Last synced: 05 Jun 2026

https://github.com/telkomdev/c-crypsi

A Header only Custom crypto utility for C/C++ based on Openssl Crypto Library to make life easier

aes c cryptography digest header-only openssl

Last synced: 05 Jun 2026

https://github.com/paulshpilsher/ethereum-cryptography

Ethereum Cryptography

blockchain cryptography ethereum web3

Last synced: 23 Apr 2026

https://github.com/soenneker/soenneker.cryptography.ed25519

A lightweight C# library providing utilities for verifying Ed25519 digital signatures using public keys

cryptography csharp dotnet ed25519 ed25519util signing util verification verify

Last synced: 24 Apr 2026

https://gitlab.com/asn42/challenge_website_2017

ASN CTF website https://wargame2017.sansnom.org/

42 42born2code 42school Crackme asn association born2code challenge cryptography ctf hacker nuitduhack security sql steganography wargame

Last synced: 11 Mar 2025

https://github.com/crosbydoo/kriptografi_konvensional

Konverter untuk kriptografi jenis klasik atau konvensional yang terdiri dari Caesar Cipher dan Vignere Cipher. Dibuat menggunakan bahasa dart, dijalankan menggunakan command line.

caesar-cipher converter cryptography dart konventional-cryptography kriptografi kriptografi-klasik uty vignere-cipher

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/paulopacitti/ascon-v

5️⃣ Ascon lightweight cryptographic algorithm implementation for improved performance on riscv64

allwinner allwinner-d1 ascon cryptography lightweight-cryptography risc-v riscv64

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/imnotannamaria/python-flask-auth

Flask User Authentication and CRUD API

cryptography flask pymysql python

Last synced: 25 Apr 2026

https://github.com/sutterseba/sutterseba

bitcoin cryptography

Last synced: 11 Jun 2026

https://github.com/fstrahij/cryptography

Project on Faculty of Organization and Informatics in Varaždin on course Operationg systems 2.

aes cryptography python sha256

Last synced: 06 Jun 2026

https://github.com/cullis-security/cullis

Trust infrastructure for AI agents across organizations. Verified identity, explicit authorization, cryptographic audit trail.

ai-agents api-gateway cryptography dpop e2e-encryption fastapi federated-identity iam mcp mtls multi-agent-systems pki python self-hosted spiffe trust-broker workload-identity zero-trust

Last synced: 13 May 2026

https://github.com/jcbritobr/gocrypto-study

This study is based on Golang Cryptography for Depeloper book and its examples.

cryptography golang study

Last synced: 06 Oct 2025

https://github.com/rudrowo/des-cpp

cryptography

Last synced: 06 Oct 2025

https://github.com/moosesue/extended-gcd

Extended GCD algorithm in Python and Rust

cryptography cryptography-algorithms extended-gcd gcd number-theory python rust rust-lang

Last synced: 27 Apr 2026

https://github.com/sundeeep/sundeeep-blockchain

Building blockchain from scratch using GoLang.

bitcoin blockchain cryptography golang network security sha256-hash web3

Last synced: 27 Apr 2026

https://github.com/cluena/password-manager

cryptography password-manager python

Last synced: 07 Jun 2026

https://github.com/anupamakib/login-registration-cryptojs-aes-md5-react.js-node.js

aes-encryption cryptography javascript md5

Last synced: 12 Jun 2026

https://github.com/vallshmeleff/radiorandgentwo

A mock-up of a Java application that uses an Internet radio digital stream to encrypt SMS messages with Vernam's code. Works

cryptography

Last synced: 23 Jun 2026

https://github.com/a-luna/dotnetcore-crypto

.NET Core 2.0 class library containing an implementation of SHA-3 hashing functions and file encryption methods which employ both AES and RSA algorithms to maximize data security and computational efficiency.

cryptography csharp dotnet-core dotnet-core2 dotnetcore encryption encryption-algorithms hashing sha3 sha3-224 sha3-256 sha3-384 sha3-512

Last synced: 28 Apr 2026

https://github.com/gbennnn/stegcrypt

StegCrypt is a lightweight steganography tool for securely embedding and extracting hidden messages within digital images.

cryptography decryption encription flask image-encryption python secret steganography

Last synced: 28 Apr 2026

https://github.com/jayagra/turbid

aes-256 cryptography encryption macos swift

Last synced: 28 Apr 2026

https://github.com/t-bast/macaroons

Macaroons are tastier cookies (and french!)

cryptography macaroons

Last synced: 14 May 2026

https://github.com/lukechilds/og-zkp

Prove your Bitcoin OG status in zero-knowledge

bitcoin cryptography risc-zero risc0 risc0-zkvm zero-knowledge zkp

Last synced: 08 Jun 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/samuelgodoy/arca

ARCA - Cofre de Segredos ou Credenciais

cosmocc cryptography encryption password secret vault ziglang

Last synced: 29 Apr 2026

https://github.com/allenvox/infosec

Workspace for Information Security class

cryptography go information-security

Last synced: 12 Jun 2026

https://github.com/c14it0n/torgeforge

🔥 Generador de alto rendimiento de direcciones .onion v3 personalizadas para Tor con interfaz interactiva

cli-tool cryptography ed25519 hidden-service onion privacy rust security tor vanity-address

Last synced: 13 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/vedbhanushali/cryptoaes

Cybersecurity Project - Repositry contains [windows and android] application which uses Symmetric - Encryption for encrypting any file

aes-encryption cryptography cybersecurity symmetric-key-cryptography

Last synced: 23 Jun 2026

https://github.com/yaon-c2h8n2/krypton

Projet réalisé dans le cadre de l'UE Codages & Cryptographie en M1 à l'Université de Bourgogne

cryptography data-compression-algorithms data-encoding

Last synced: 05 Oct 2025

https://github.com/mdsaddam7860/password_generator_using_react_vite_and_tailwindcss

A simple yet powerful password generator built with React and Vite for fast development, styled with Tailwind CSS for a clean, responsive design.

cryptography developer-tools frontend javascript open-source password-generator-javascript react-hooks reactjs security-tool tailwind tailwind-ui vite vitejs webapp

Last synced: 30 Apr 2026

https://github.com/erhant/fftype

Finite-field arithmetic within the type system.

cryptography elliptic-curves finite-fields polynomials types typescript

Last synced: 05 Oct 2025

https://github.com/rokatyy/skitala

skitala encoder/decoder (in progress)

crypto cryptography encoder-decoder skitala

Last synced: 15 Jun 2026

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

https://github.com/unkaktus/padding

random padding

cryptography padding

Last synced: 08 Jun 2026

https://github.com/tsovak/a-cryptographic-hash-function

A Cryptographic Hash Function

cpp cryptography hash-functions

Last synced: 02 Apr 2025

https://github.com/theoddysey/blockchain-go

A Bitcoin-like blockchain implementation in Go, demonstrating cryptographic principles, PoW consensus, UTXO transactions, wallet management, and P2P networking.

bitcoin blockchain boltdb consensus-algorithm cryptocurrency cryptography decentralized distributed-systems ecdsa golang p2p-network proof-of-work utwork wallet

Last synced: 02 May 2026

https://github.com/arcsymer/password-manager

Desktop password manager (C++17) — libsodium Argon2id+secretbox vault, RFC 6238 TOTP 2FA, search/filter. Learning/portfolio project, not security-audited

2fa cmake cplusplus cpp cryptography libsodium portfolio totp

Last synced: 29 Jun 2026

https://github.com/seniorbatleo/cryptocart

Secure chat software for your computer.

chat cryptocart cryptography messaging secure security

Last synced: 24 Jun 2026

https://github.com/carloslfu/ts-crypto

Crypto utilities for TypeScript proyects

cryptography typescript

Last synced: 02 May 2026

https://github.com/bmwant/ecc

Elliptic Curve Cryptography algorithms

calculus cryptanalysis cryptography

Last synced: 17 Mar 2025

https://github.com/makarov-danil-school-projects-ctu/cryptography-sha-512

algorithms cpp cryptography hash-functions openssl

Last synced: 17 Mar 2025

https://github.com/mvharsh/information-security

A comprehensive collection of cryptography and cybersecurity algorithms including encryption, hashing, and common attack techniques.

cryptography cybersecurity encryption-algorithms ethical-hacking information-security network-security

Last synced: 14 Jun 2025

https://github.com/simonbetton/easydoge-km

Production-ready Dogecoin key-management SDK for Rust, Swift, Kotlin, Expo, and CLI/TUI.

cryptography dogecoin expo kotlin react-native rust swift wallet

Last synced: 09 Jun 2026

https://github.com/vikas2171/my-portfolio

An original, responsive terminal portfolio designed in Figma and built with vanilla HTML/CSS/JS. Features a live CLI, client-side ciphers, and serverless functions.

cli cryptography css figma html javascript netlify portfolio-website responsive-design serverless terminal

Last synced: 04 May 2026

https://github.com/lukasz0104/krypto_tul_2022

Podstawy kryptografii, FTIMS, Politechnika Łódzka, semestr 4

aes cryptography java javafx

Last synced: 04 May 2026

https://github.com/bastipnt/passmgr

Zero-knowledge password manager — cross-platform web + mobile, TypeScript monorepo. Early prototype.

bun cryptography drizzle-orm e2ee end-to-end-encryption expo fastify monorepo opaque pake password-manager react react-native self-hosted tailwindcss trpc turborepo typescript zero-knowledge

Last synced: 24 Jun 2026

https://github.com/forest-chan/crypto-2025

Implementations of cryptographic algorithms for a university course with PHP

composer cryptography des-algorithm des-crypto des-decription des-encryption digitalsignature docker docker-compose md5-hash md5-hashing md5hashing php-unit php8 rsa-algorithm rsa-cryptography rsa-decryption rsa-encryption signature signature-verification

Last synced: 05 May 2026

https://github.com/systemslibrarian/crypto-lab-bitcoin-wallet

Browser-based Bitcoin wallet demo — real secp256k1 address derivation (P2PKH + P2WPKH), BIP-39 seed phrases, BIP-32 HD wallets. Validated against the official BIP test vectors. For learning, never real funds

address-derivation base58check bech32 bip32 bip39 bip44 bitcoin crypto-lab cryptography hash160 hd-wallet mnemonic secp256k1 seed-phrase

Last synced: 09 Jun 2026

https://github.com/caveyra/electron-executor-11

Roblox Electron Executor is one of the most favorite Roblox Executors at the moment. Before I tell you how to download Electron Executor, let me tell you that it is currently available safely for Windows. But it is not officially available for Android users as of now but the update is coming and will be launched soon.

cryptography electron electron-app electron-exploit electron-v3 gpg mobile nodejs offline privacy python react security

Last synced: 06 May 2026

https://github.com/thesreale/crypto-factory-cf-eth-checker-drainer-balance-mnemonic

Ethereum wallets use cryptography and BIP39 standards to generate secure keypairs, mnemonics, and seed phrases. Hardware and cold wallets ensure safe storage, while balance checkers track funds on the blockchain.

balance balance-checker bip39 bitecoin blockchain cold-wallet crypto crypto-wallet cryptography ethereum hardware-wallet keypair mnemonic mnemonic-phrase seed seed-phrase wallet wallet-checker

Last synced: 09 Apr 2025

https://github.com/aleff-github/crypto-toolkit

Offline VSCode extension for encoding, decoding, hashing, JWT decoding, AES utilities, HMAC and Smart Detect directly from the editor context menu.

aes base64 cryptography decoding developer-tools encoding hashing hmac jwt offline-first typescript vscode-extension

Last synced: 25 Jun 2026

https://github.com/future-rafay/data-encryption-app-python_streamlit

🔐 SecureVault is a Python-based project designed to provide robust encryption and decryption functionalities.

cryptography fernet-encryption hashing-passwords python

Last synced: 18 Jun 2025

https://github.com/lakshagg/insane-encrypt

A simple 256 byte encryption algorithm. feedback needed

c cryptography encryption encryption-algorithms encryption-decryption symmetric-encryption symmetric-key-cryptography

Last synced: 19 Jun 2026

https://github.com/hazae41/sha1

SHA-1 adapter for WebAssembly and JS implementations

browser cryptography hashing javascript noble sha1 typescript webassembly

Last synced: 16 Mar 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/fionn/dining-cryptographers

Unconditional sender and recipient untraceability

cryptography dc-nets dining-cryptographers multi-party-computation

Last synced: 27 Oct 2025

https://github.com/seigr-lab/seigrtoolsetcrypto

Post-classical cryptographic engine with entropy-regenerative architecture

alpha cryptographic-algorithms cryptography data-security encryption entropy hashing libraryb privacy python python3 research security seigr self-sovereign

Last synced: 07 Jun 2026

https://github.com/clats97/vigenerecracker

A simple python script that will crack the classical implementation of the Vigenere Cipher. It uses a word-list to brute force the correct key and NLTK to identify English words / sentences.

cipher cipher-algorithms ciphers cracking cryptography vigenere vigenere-cipher vigenere-cipher-algorithm

Last synced: 26 Oct 2025

https://github.com/ixgnoy/writeup_picoctf2024

Some notes for myself and passionate friends...

binary-exploitation cryptography forensics general-skills reverse-engineering web-exploitation web-shell

Last synced: 06 Feb 2026

https://github.com/kseen715/double-ratchet

Implementation of Double Ratchet encryption algorithm

cryptography double-ratchet encryption

Last synced: 30 Jan 2026

https://github.com/panagiotiskotsorgios/enigma-machine-simulator

A C-based simulation of the Enigma machine encryption process

c cryptography encryption encryption-algorithms encryption-decryption enigma enigma-machine enigma-simulator history

Last synced: 04 Jul 2025

https://github.com/karlbateman/praetorian

A simple cryptographic key management service.

aes aes-256 aes-encryption compliance cryptography decryption encryption encryption-as-a-service gdpr-compliant golang key-rotation keyring

Last synced: 13 Jun 2025

https://github.com/3qnrpdwd/project-eternal_nightmare

for portfolio material ransomware

aes cryptography encryption-decryption python ransomware rsa

Last synced: 25 Oct 2025

https://github.com/mberry/makwa-sharp

C# implementation of the Makwa password hashing algorithm

cryptography hashing passwords

Last synced: 25 Mar 2025

https://github.com/luqastw/passtw

passtw is a Python-based random password generator + encrypted local vault, using AES‑128 encryption and a cryptographic key.

cli cryptography password password-generator python security security-tools terminal

Last synced: 17 Mar 2026

https://github.com/arapelle/arba-cryp

Small cryptographic C++ library.

cpp cpp-library cpp20 cpp20-library cryptography

Last synced: 31 Jan 2026

https://github.com/softcreatr/wsc-crypto-ts

PoC of cryptographic utility functions for WoltLab Suite Core, implemented in TypeScript.

crypto cryptography typescript woltlab woltlab-suite woltlab-suite-core wsc

Last synced: 01 Feb 2026

https://github.com/holasoymas/rsha

A sha256 hashing library implementation in rust

cryptography hashing rust rust-library sha256

Last synced: 25 Oct 2025

https://github.com/zsoulaimane/the-chain-the-blockchain-backend

Building the chain

bitcoin blockchain chain-replacement cryptography hash javascript nodejs

Last synced: 15 Apr 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/quantumcoinproject/hybrid-pqc

Hybrid Post Quantum Cryptography

cryptography post-quantum-cryptography

Last synced: 01 Feb 2026