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.

GitHub: https://github.com/topics/cryptography
Wikipedia: https://en.wikipedia.org/wiki/Cryptography
Last updated: 2026-07-03 00:07:02 UTC
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https://github.com/umstek/enigma

A generalized software model of the Enigma electro-mechanical rotor cipher machines used by Germans in WWII.

cryptography enigma visual-basic world-war2

Last synced: 30 Jan 2026

https://github.com/harshil748/pylockv2

PyLockv2 is a secure password manager application built using Python and Tkinter. It allows users to store and manage their passwords securely, with features such as password encryption, email verification, and password reset using a special sentence.

cryptography cybersecurity hashing-passwords python3 smtp

Last synced: 25 Feb 2026

https://github.com/projects-developer/triple-des-project-image-security-by-triple-des

This project aims to provide a secure way to transmit and store images using the Triple Data Encryption Standard (Triple DES) algorithm Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computer-science-projects computerscienceprojects cryptography decryption digital-rights-management encryption final-year-project finalyearproject finalyearprojects image-security mtechprojects secure-image-storage secure-image-transmission triple-des

Last synced: 07 Feb 2026

https://github.com/projects-developer/cyber-security-final-year-projects-github

Cyber threat detection using machine learning is a proactive approach to cybersecurity that involves training machine learning algorithms. Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

b-techprojects bcaprojects computer comupterscienceproject cryptography cyber-security final-project final-year-project m-techprojects machine-learning mcaprojects

Last synced: 07 Feb 2026

https://github.com/prthd/secure-file-system

A secure multi-user file system with end-to-end encryption, HMAC-based integrity verification, and Unix-style permission control. Features bcrypt-authenticated logins, group-based collaboration, and a command-line interface for secure file operations on untrusted storage.

access-control bcrypt cli cryptography encryption fernet-encryption filesystem hmac-sha256 integrity python secure-storage security unix-permissions

Last synced: 25 Feb 2026

https://github.com/oritwoen/vusi

ECDSA signature vulnerability analysis library and CLI

bitcoin cryptography ecdsa nonce-reuse private-key-recovery rust security vulnerability-detection

Last synced: 01 Feb 2026

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

A full-spectrum, browser-based cryptography laboratory covering modern, classical, and post-quantum systems.

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Last synced: 01 Jun 2026

https://github.com/andreispurim/aradi

Implementation of the NSA cryptography algorithm ARADI and LLAMA

algorithm aradi cryptography decryption encryption llama nsa

Last synced: 09 Feb 2026

https://github.com/ttopm/be-core-bridge

Belel Protocol – World’s first sovereign AI core, authored and safeguarded by Pearce Robinson

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Last synced: 16 Apr 2026

https://github.com/talyx/amib

Реализация криптографических алгоритмов/протоколов/схем

cryptography

Last synced: 19 Apr 2026

https://github.com/juliangrtz/mightyxor

.NET cryptography suite supporting one-time pads, Shamir secret sharing and plausible deniability

crypto cryptography cryptosuite decryption encryption one-time-pad otp plausible-deniability quantum-computing security shamir-secret-sharing shamirs-secret-sharing xor

Last synced: 02 Jun 2026

https://github.com/drimiteros/secret_scribble_v1.0-open

An offline password manager with a graphical user interface

authentication cryptography encryption open-source password-manager privacy security security-tools

Last synced: 11 Feb 2026

https://github.com/mingikang31/SiFT-v1.0

Cryptography Project

cryptography encryption-decryption python3

Last synced: 09 May 2026

https://github.com/machu-gwu/windtalker-project

Encrypt and decrypt text, binaries, files, and directories with a variety of cipher options.

cryptography encryption python tool

Last synced: 13 Feb 2026

https://github.com/notstatilko/uiscrypt

Make strength passwords with uiScrypt!

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Last synced: 15 Feb 2026

https://github.com/dipanshkhandelwal/manytimepad

A solution to many time pad attack https://manytimepad.js.org/

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Last synced: 15 Feb 2026

https://github.com/benwoo1110/cryptographyapp

Advanced converter for modern cryptography algorithms

cryptography csharp

Last synced: 31 Mar 2026

https://github.com/ntdls/ntdls.permafrost

The NetworkDLS original symmetric cipher algorithm ported to C#.

cryptography library nuget showcase

Last synced: 06 Mar 2026

https://github.com/ddebin/ssh-agent-secrets

Encrypt and decrypt secrets using an SSH agent

cli cryptography encryption-decryption ssh ssh-agent ssh-key typescript

Last synced: 02 Apr 2026

https://github.com/telkomdev/netcrypsi

Custom crypto utility that wraps the DotNet cryptography API to make life easier (Digest, AES, HMAC, RSA, RSA Digital Signature)

aes cryptography dotnet rsa

Last synced: 17 Apr 2026

https://github.com/wisepythagoras/pyrin

A [fairly slow and] secure 512-bit one way cryptographic hash function.

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Last synced: 24 Apr 2026

https://github.com/dabevlohn/wasm-rc-sesskey

Generates random 16 bytes, transforms it to CryptoKey Object, encrypts it for RSA-key issuer

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Last synced: 25 Apr 2026

https://github.com/ellipticsecure/signer-example

This example demonstrates how to use a MIRkey or eHSM Hardware Security Module to sign a PDF file.

cryptography hsm java javafx pdf signing

Last synced: 27 Apr 2026

https://github.com/sanjoy-sust/scpproject

This is Secure Communication Protocol for smart cart Cryptography management

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Last synced: 07 Jun 2026

https://github.com/james-honeybadger/zayfer_vault

Full-featured encryption/decryption suite — AES-256-GCM, ChaCha20-Poly1305, RSA, Ed25519, X25519, OpenPGP | Rust core + Python bindings | CLI, GUI (PySide6), Web (FastAPI)

aes-256-gcm chacha20-poly1305 cli cryptography decryption ed25519 encryption fastapi keystore openpgp pyo3 pyside6 python rsa rust

Last synced: 28 Apr 2026

https://github.com/scorpi-on/richelieu-feistel-cipher

Web app that implements the Richelieu cipher and the Feistel network for encrypting text data. A project for studying frontend using a ready-made component kit. Lab work on Program and Data Security (Oct 2024, 7th semester of university).

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Last synced: 28 Apr 2026

https://github.com/ellipticsecure/ehsm-java

Java integration library for the eHSM and MIRkey Hardware Security Modules

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Last synced: 28 Apr 2026

https://github.com/catherinee24/my-own-cryptocurrency

My own cryptocurrency with python.

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Last synced: 28 Apr 2026

https://github.com/menezes-/xxtea

Implementation of the (corrected) Block TEA encryption algorithm in modern C++ with PHP bindings

cpp cpp11 cryptography php php-extension xtea xtea-cipher xxtea xxtea-algorithm

Last synced: 29 Apr 2026

https://github.com/samuel-lucas6/multimac

Authenticate multiple inputs easily using keyed BLAKE2b.

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Last synced: 29 Apr 2026

https://github.com/fblupi/encryptator

A simple webapp to encrypt and decrypt messages

bootstrap cryptography webapp

Last synced: 30 Apr 2026

https://github.com/codesteel/expressjs-login-application

authentication cryptography expressjs login

Last synced: 01 May 2026

https://github.com/modemobpsycho/itra-task-3

The third assignment from the internship.

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Last synced: 08 Jun 2026

https://github.com/koraa/proverif.vim

Basic proverif support for VIM files.

cryptography highlighting neovim proverif syntax vim

Last synced: 02 May 2026

https://github.com/obaskly/vas-y

aes base64 cipher cryptography encryption-decryption rsa

Last synced: 09 Jun 2026

https://github.com/karusb/bazcryptlib

BazCrypt 4 Neighborhood Cellular Automata Encryption Algorithm C++ Library

algorithm bazcrypt bazcrypt-encryption c-plus-plus cellular-automata cpp cross-platform cryptography encryption library linux windows

Last synced: 02 May 2026

https://github.com/scotow/pac

Scripts made throughout the PAC courses (Lille University)

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Last synced: 09 Jun 2026

https://github.com/rushi-12320/cryptable-app

Cryptography app which can encrypt and decrypt images and text both

android-app cryptography java

Last synced: 06 May 2026

https://github.com/ashishgopalhattimare/stickynotesfx

A synchronised Sticky Note between desktop and android platform via Google FIrebase

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Last synced: 07 May 2026

https://github.com/tom474/cryptography-comparative-analysis

[RMIT 2024C] COSC2539 - Security in Computing and IT - Analytical Security Report

asymmetric cryptography hashing security symmetric

Last synced: 07 May 2026

https://github.com/defeo/isogenyviz.jl

Visualizations of isogeny graphs

cryptography elliptic-curves isogenies mathematics number-theory

Last synced: 29 Jan 2026

https://github.com/ishan-surana/federanet

Federated Multimodal Cyberattack classification model on social media messages (utilizing blockchain and quantum key cryptography). Blockchain server at https://cyberattack-blockchain.onrender.com/. Model interaction link below.

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Last synced: 10 May 2026

https://github.com/mk-fg/ca-certificates-whitelist-filter

Tool to filter system-wide trusted Web PKI TLS Certificate Authorities in linux distros on a whitelist-basis

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Last synced: 10 May 2026

https://github.com/sh1kxrv/xaf-vault

Cross-platform `VAULT`

cli cryptography monorepo pet-project turborepo typescript ui

Last synced: 10 May 2026

https://github.com/sourish-kanna/side-projects

These are my other side projects which are not that big for a dedicated repository

ascii cesar-cipher cesar-cypher cryptography encryption java python side-project

Last synced: 11 May 2026

https://github.com/north9-labs/seam

Post-quantum encrypted transport protocol — UDP, multi-stream, built-in FEC, Noise_XX + ML-KEM-768

cryptography forward-error-correction ml-kem networking post-quantum protocol rust udp

Last synced: 11 Jun 2026

https://github.com/netesf13d/crypto-stuff

Python implementation of some common cryptographic primitives

aes cryptography keccak

Last synced: 14 May 2026

https://github.com/tbarrella/crypto-pure

Pure-Rust cryptography library

cryptography rust

Last synced: 11 Jun 2026

https://github.com/ayazkhan27/cyclic

Cyclic prime numbers and their generation of cyclic numbers that follow a wave function and superpositions, converted into an encryption algorithm.

aes cryptography encryption full-reptend-prime number-theory rsa

Last synced: 15 Jun 2026

https://github.com/haukex/arduino-ascon128

Ascon-128 and Utility Functions for Arduino

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Last synced: 15 Jun 2026

https://github.com/retr0kr0dy/ghostschat

Chat and file transfer securely, 🛡️ embrace anonymity, and unleash your inner cyber ninja! 🥷💻💾

aes annonymized chat coding cryptography development file-transfer python rsa secured-communication security

Last synced: 16 Jun 2026

https://github.com/vonderklaas/python-password-manager-cli

This is application which imitates a password book, where you can add passwords into the file, or you can view your passwords from the file

cryptography python

Last synced: 22 Jun 2026

https://github.com/jjordanoc/rsa-encryption

A simple implementation of RSA encryption for arbitrary strings

cryptography number-theory rsa-encryption

Last synced: 24 Jun 2026

https://github.com/volhovm/rsa-zkps-impl

ZK protocols for knowledge and range of Paillier-like ciphertexts in subverted RSA groups

cryptography zero-knowledge

Last synced: 24 Jun 2026

https://github.com/virtualox/get-randomhex.ps1

Adjustable Random Hex String Generator.

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Last synced: 25 Jun 2026

https://github.com/dalda-iitj/libr

A Moderated, Censorship-Resilient Digital Forum

cryptography distributed-hash-tables forum golang postgresql

Last synced: 28 Jun 2026

https://github.com/docxology/steganographer

cryptography media-verification open-source python security steganography watermarking

Last synced: 29 Jun 2026

https://github.com/tigeryant/merkle-tree

Produces a merkle root from a set of user defined strings

binary-hash-tree cryptography merkle-tree

Last synced: 11 Oct 2025

https://github.com/ddc/ddccryptography

Encode and Decode strings with Cryptography

cryptography ddccryptography decode decoder encode encoder python python-3 python3

Last synced: 11 Feb 2026

https://github.com/systemslibrarian/crypto-lab-opaque-gate

Browser-based OPAQUE aPAKE demo (RFC 9807, July 2025) — OPRF blind/evaluate/unblind, AES-256-GCM credential envelope, 3DH mutual authentication, server breach simulation. The password never touches the server. No backends. No simulated math.

3dh authenticated-key-exchange crypto-lab cryptography forward-secrecy opaque oprf pake password-authentication rfc9807

Last synced: 09 Jun 2026

https://github.com/cucumberian/_test_secrets_api

secrets saving via api and one-time access via key generation

api cryptography fastapi onetimesecret redis

Last synced: 05 May 2026

https://github.com/adhupraba/fshare

FShare is a secure and robust file-sharing application that enables users to upload, share, and manage encrypted files.

cryptography django django-rest-framework encryption-decryption file-sharing reactjs security

Last synced: 12 Feb 2026

https://github.com/jaybrown/superbackeddownloader

macOS shell script and LaunchAgent to automatically download and verify Superbacked updates and auxiliary files

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Last synced: 14 Apr 2026

https://github.com/techatlasdev/cryptorot

🎲 Un sistema enfocado en el cifrado simétrico, encargado de poder convertir un conjunto de palabras legibles, en un conjunto de caracteres que no tienen coherencia pero si relación en función a sus llaves.

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Last synced: 17 Jun 2026

https://github.com/acestojanoski/key-forge

Effortlessly encrypt and decrypt text in an instant with our user-friendly, open-source tool.

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Last synced: 16 Apr 2026

https://github.com/skygenesisenterprise/crux-256

CRUX-256: Experimental symmetric block cipher combining SPN and ARX architectures

aes-256 api-service cryptography database dns linux macos mail rust windows

Last synced: 14 Apr 2026

https://github.com/elliotwutingfeng/secret_broadcast

Send encrypted webcam snapshots over Telegram to specific users.

cryptography fernet telegram webcam

Last synced: 20 Oct 2025

https://github.com/l1asis/vault-tar

AES-256-GCM file and directory encryption CLI with chunked streaming, configurable compression, and output splitting.

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Last synced: 14 Feb 2026

https://github.com/stafmazayded83/cryptoguardian

Cryptoguardian is a secure wallet application designed to protect your digital assets. It uses advanced encryption methods to ensure that your cryptocurrencies remain safe from unauthorized access.

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Last synced: 14 Apr 2026

https://github.com/ralvarezdev/go-crypto

TOTP, bcrypt and rand functions for Golang projects

bcrypt cryptography go go-bcrypt go-cryptography go-jwt-authentication go-lib go-library go-package go-rand golang

Last synced: 17 Jun 2026

https://github.com/natthasath/demo-python-cryptography

Cryptography is the practice of securing communication through mathematical techniques, such as encryption, decryption, and key exchange.

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Last synced: 18 Jun 2026

https://github.com/corocoto/asymmetric-cryptography-encrypt-decript-message

Encrypt/decrypt message via using public & private key pair

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Last synced: 09 Oct 2025

https://github.com/keyweeusr/elchacha

ChaCha20 implementation as per RFC7539

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Last synced: 08 Oct 2025

https://github.com/hambosto/sweetbyte

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

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Last synced: 07 Oct 2025

https://github.com/projects-developer/diffie-hellman-key-exchange-algorithm-cryptography-project

This project implements the Diffie-Hellman Key Exchange Algorithm, a popular cryptographic protocol that enables two parties to establish a shared secret key over an insecure communication channel. Diffie-Hellman-Key Exchange Algorithum Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video

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Last synced: 01 Mar 2026

https://github.com/kaushalag29/cryptography

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

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Last synced: 26 Oct 2025

https://github.com/counselco/wallet-gui

blockchain cryptocurrency cryptography defi post-quantum rust timelock web3

Last synced: 01 Apr 2026

https://github.com/robertmcatee/saigo

a simple encryption toolkit written in Go

cryptography encryption

Last synced: 14 Jan 2026

https://github.com/simplito/privmx-bridge-docker

Docker Compose for PrivMX Bridge.

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Last synced: 06 Oct 2025

https://github.com/ohimoiza1205/goldman-sachs-forage-swe-simulation

Crack passwords and suggest security improvements as a Governance Analyst at Goldman Sachs.

cryptography goldman-sachs hashcat password-cracking software-engineering

Last synced: 17 Jan 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/dpetrosy/encryptor-decryptor

My small project encryptor / decryptor written in Python.

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Last synced: 06 Oct 2025

https://github.com/mrdcvlsc/blockciphermodes

A collection of different block cipher modes, designed to facilitate secure data encryption.

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Last synced: 04 Mar 2026

https://github.com/hemanthh17/da-1-crytograghy-vit

Digital Assignment for Crytography and Network Security Assignment

cryptography flask python3 vignere-cipher

Last synced: 08 May 2026

https://github.com/matthewcash/esp32-ecdsa

ECDSA (P-256) signing/verification using esp32 hardware accelerators

cryptography ecdsa embedded esp32

Last synced: 17 May 2026

https://github.com/praths71018/django_and_rest_framework_fundamentals_hospitalmanagement

A comprehensive Hospital Management System which is built using Django and Django Rest Framework

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Last synced: 13 Apr 2026

https://github.com/akhuntsaria/online-bcrypt-generator

Yet another online bcrypt generator.

bcrypt cryptography encryption generator javascript webpack

Last synced: 17 Jan 2026

https://github.com/epicreach/tkey-web-authentication

Secure Go-based proxy server using TKey hardware for passwordless website authentication.

authentication cryptography daemon go proxy-server security-tools

Last synced: 04 Mar 2026

https://github.com/bmwant/ecc

Elliptic Curve Cryptography algorithms

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Last synced: 17 Mar 2025

https://github.com/aniketc068/atick-python

Standalone Python library for PDF digital signatures — PAdES/CMS, USB tokens, Windows store, Indian eSign, timestamps, LTV and a green-tick appearance Adobe shows as valid. Zero dependencies.

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