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: 2026-06-23 00:06:53 UTC
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https://github.com/lucianoscarpaci/atmega328p

🔒 Embedded Crypto Projects with Arduino board.

aes arduino arduino-projects atmega328p cryptography haskell nix

Last synced: 10 May 2026

https://github.com/pranjalgautam11/data-protection-using-steganography-and-cryptography

This menu driven program ensure the steganography and cryptography of the files.

cryptography encryption-decryption steganography twofish

Last synced: 12 May 2026

https://github.com/projects-developer/steganography-project

Steganography is the practice of hiding secret information within a non-secret message, image, or other medium. Steganography Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computerscienceprojects cryptography cybersecurity dataencryption datahiding digitalforensics informationsecurity mtechprojects secretcommunication steganalysis steganography steganography-project

Last synced: 06 Feb 2026

https://github.com/vechain/thor-devkit.java

Java (8+) library to assist a smoother development process on VeChainThor for all developers and hobbyists. Includes wallets creation, transaction assembling, signature, ABI encoding, and bloom filter.

bloom-filter crypto cryptocurrency cryptography hd-wallet java keystore mnemonic-wallets sdk thor-devkit vechain

Last synced: 27 Nov 2025

https://github.com/jitendragangwar123/cryptography

This Repository have some basic Cryptographic Algorithms and other basic concepts which is used in Blockchain Technology.

cryptography javascript

Last synced: 07 May 2026

https://github.com/enjeck/cryptoalgovisualizer

Visualizations of various cryptography algorithms

algorithms cryptography visualization

Last synced: 24 Oct 2025

https://github.com/khoinguyen2k/int3213-crytography

Java code to illustrate how cryptography work

cryptography elliptic-curve-cryptography uet

Last synced: 06 Mar 2025

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

Ascon-128 and Utility Functions for Arduino

arduino arduino-uno-r3 arduino-uno-r4 ascon-128 atmega328p cryptography esp8266-arduino

Last synced: 15 Jun 2026

https://github.com/blakeziegler/ozone-blockchain

IPFS compatiable blockchain using Akka actors and Akka clusters.

akka akka-actors blockchain cmake cpp crypto cryptocurrency cryptography encryption ipfs ipfs-api ipfs-blockchain openssl sbt scala sha256

Last synced: 23 Jan 2026

https://github.com/virgilsecurity/demo-e2ee-server-java

A simple Java server application that uses in end-to-end encryption (E2EE) use-case.

crypto cryptography demo encryption end-to-end-encryption secured-by-virgil server

Last synced: 17 Jun 2026

https://github.com/samuel-lucas6/tango12

A stream cipher based on BLAKE2b.

blake2 blake2b blake2b-hash-algorithm cipher crypto cryptography encryption keystream stream-cipher

Last synced: 11 Jun 2025

https://github.com/magical/keccak

The Keccak hash function (SHA-3)

cryptography

Last synced: 10 Jan 2026

https://github.com/emperororokusaki/shai

A cryptography library focused on simplicity, performance, and rock-solid security

cryptography

Last synced: 12 Jun 2025

https://github.com/hk-transfield/python-quantum-key-exchange-simulator

A simple program to simulate a Quantum Key Exchange (QKE) algorithm, written in Python3.

cryptography encryption python python3 quantum-computing quantum-key-distribution symmetric-cryptography symmetric-encryption symmetric-key-cryptography xor-cipher xor-encryption

Last synced: 01 Apr 2025

https://github.com/ppad-tech/sha256

Pure Haskell SHA-256, HMAC-SHA256

cryptography hashing haskell sha2 sha256

Last synced: 03 Jul 2025

https://github.com/psychedelicshayna/obsidian.cpp

An abstraction layer that sits on top of OpenSSL which provides a more modern way of interacting with it in C++

abstract cpp-library cryptography decryption encryption moderncpp openssl-bindings wrapper-library

Last synced: 22 Aug 2025

https://github.com/vcsjones/xaes-256-gcm-ruby

XAES-256-GCM for Ruby

cryptography ruby xaes-256-gcm

Last synced: 12 Dec 2025

https://github.com/apavazza/passwordmanager

A command line password manager

cpp cryptography encryption password-manager

Last synced: 17 Mar 2025

https://github.com/lucasbn/rsa

A simple implementation of RSA encryption

cryptography encryption python rsa

Last synced: 17 Mar 2025

https://github.com/pur3miish/antelope-ecc

A universal JavaScript ECC digital signature and key utility package for Antelope based blockchains

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Last synced: 10 Apr 2025

https://github.com/sammyne/sm4

A Go implementation of SM4 block cipher algorithm as specified by GM/T 0002-2012

block-cipher cryptography sm4

Last synced: 18 Mar 2025

https://github.com/iprs-dev/drand-rs

Drand client in Rust

cryptography drand random-number-generators

Last synced: 26 Mar 2025

https://github.com/wchresta/cotary

Cotary allows you to prove that you have a document without releasing it.

cli cryptography proof simple twitter utils

Last synced: 26 Mar 2025

https://github.com/churro/avr-aes128-groestl256

Efficient AES-128 & Grøstl-256 Implementations for the AVR 8-bit Microcontroller Architecture

aes-128 atmega128 avr cryptography groestl-256

Last synced: 10 Apr 2025

https://github.com/mttbernardini/mbencrypter

:closed_lock_with_key: This program will help you encrypting or decrypting some data or a file using MB's algorithm. NB: this project has been supeseded by https://github.com/mttbernardini/mbc

algorithm cryptography raw-data rawinput symmetric-keys text

Last synced: 26 Mar 2025

https://github.com/koh-gt/multiply

A powershell script to multiply large numbers, showing all digits.

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Last synced: 18 Mar 2025

https://github.com/mahmoud-joumaa/csc435_labreports

A collection of lab reports submitted as part of the CSC435 (Computer Security) course at the Lebanese American University.

buffer-overflow cryptography malware-analysis web-attacks

Last synced: 06 Jan 2026

https://github.com/waasiq/rc5-cryptosystem

An implementation of RC5 Cryptography Algorithm

algorithm cryptography python3 streamlit-webapp

Last synced: 07 Jul 2025

https://github.com/fsmaxb/public-keys

A collection of my public keys.

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Last synced: 18 Mar 2026

https://github.com/drwheelicus/encoderize

Turn your text into a cryptographic masterpiece

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Last synced: 30 Apr 2025

https://github.com/theoddysey/ceaser-cipher-python

Ceaser Cipher Encryption using Python

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Last synced: 26 Mar 2025

https://github.com/gabrioliv/octave-crypto-scripts-general

Scripts of Cryptography Concepts compatible with GNU Octave.

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Last synced: 15 May 2026

https://github.com/yanboishere/Trade.with-SuperTrend.parameter

OKX API to confirm the process of appearance and disappearance of upper or lower limit lines for the super trend parameters in crypto trading pairs in TraderView, and perform multiple buying and selling transactions based on this parameter index.｜对于crypto交易对中 TraderView中的超级趋势参数出现以及消失上限线或下限线前后过程进行确认从而根据该参数指标的出现进行多次合约做多&做空开仓买卖（使用OKX api）

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Last synced: 22 Oct 2025

https://github.com/tmc/cryptopals

hack the planet

cryptography golang

Last synced: 07 Sep 2025

https://github.com/snowkelus/reave

Reave - DOSS (Developer Open-Source Software) is a Cryptography Network-based Framework (CNF) for PHP, Which uses Fingerprints, Message Block Cipher, and Asymmetric / Symetric Cryptography, PATs (Personal Access Token) for Messages / IMs (Session-based) and Page View Algorithms..

cryptography framework snowkelus

Last synced: 02 Feb 2026

https://github.com/lgraubner/secure-passphrase

Small PWA for generating secure passphrases

cryptography passphrase password password-generator secure

Last synced: 11 Jan 2026

https://github.com/hubert-kniola/digitalsignature

Simple program to verify signature created by RSA cryptography algorithm

cryptography ed25519 rsa

Last synced: 12 Apr 2025

https://github.com/hubert-kniola/blumblumshubgenerator

BlumBlumSnub Generator - Random Bit Array with 4 prepared tests

bbs cryptography generator

Last synced: 07 Sep 2025

https://github.com/hubert-kniola/diffi-hellman-algorithm

Algorithm based on the calculation of discrete logarithms in finite bodies

cryptography csharp diffie-hellman-algorithm

Last synced: 12 Apr 2025

https://github.com/jshawl/minisign

minisign, in ruby!

cryptography ed25519 minisign signature signature-verification

Last synced: 19 Oct 2025

https://github.com/2kabhishek/pycipher

Cipher algorithms with Python 🐍🔏

algorithm cipher cryptography library python tdd unittest

Last synced: 28 Oct 2025

https://github.com/aliabbascheema/cryptographic_and_authentication

This project demonstrates the practical implementation and comparison of cryptographic techniques and authentication protocols Kerberos and OAuth 2.0 in cloud environments.

aes-encryption cryptography jinja2 kerberos-authentication matplotlib oauth2 performance-testing requests requests-oauthlib

Last synced: 03 Apr 2025

https://github.com/zaidmukaddam/securitymobileapp

This project is a demonstration of some cryptography algorithms using Flutter Framework.

aes cryptography encryption rsa

Last synced: 18 Jun 2025

https://github.com/hoangtran0410/chat-3des

Online Chat Application, encrypt data using TripleDES + RSA

chat-application cryptography des-crypto javaswing rsa socket-java triple-des tripledes

Last synced: 27 Mar 2025

https://github.com/ibnaleem/cipherlock

🔐 Encrypt Your Files and Directories

cipher cipher-algorithms cryptography encryption encryption-algorithms encryption-decryption encryption-tool file-encryption

Last synced: 08 Jul 2025

https://github.com/stripedpajamas/cryptopals-resources

resources to help solve cryptopals challenges without spoiling anything

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Last synced: 19 Jan 2026

https://github.com/lancejpollard/hash

Hashing Function Theory

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Last synced: 28 Oct 2025

https://github.com/megrxu/cryptopals

Solutions for crypto challenges in crablang.

algorithms crypto cryptography rust

Last synced: 27 Mar 2025

https://github.com/anshvaid4/python

This repo is for those who want to get idea how tools in cyber security domain are created. I will add more codes shortly.

cryptography information-security python3 rpa-robots security

Last synced: 27 Mar 2025

https://github.com/agucova/oxcrypt

A fast, memory-safe Cryptomator client written in Rust.

cryptography cryptomator filesystem fuse rust vault

Last synced: 15 May 2026

https://github.com/gianlucatruda/nis-encrypted-messaging

A demonstration of security principles for peer-to-peer communications of sensitive content.

aes-encryption cryptography messaging python3 rsa-cryptography security

Last synced: 03 Apr 2025

https://github.com/clats97/clatsguard

Secure your documents with this Python AES-256-GCM file encryptor featuring PBKDF2-HMAC key derivation, passphrase-based or hex key usage, and a Tkinter GUI for user-friendly encryption. Open-sourced. This project was peer reviewed by a CompTIA Security+ person.

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Last synced: 03 Apr 2025

https://github.com/nikhil25803/pyfidelius

Python SDK for Fidelius CLI, a tool designed for ECDH cryptography.

cryptography ecdh python3

Last synced: 20 Jan 2026

https://github.com/bkawk/bit-flip

Polymer1 Web Component for generating a random hexadecimal or binary string, of a specified length.

bitcoin crypto cryptography polymer webcomponents

Last synced: 15 May 2026

https://github.com/fpoirotte/cryptal-tomcrypt

An implementation of the Cryptography Abstraction Layer based on the tomcrypt PHP extension

cryptal crypto cryptography libtomcrypt php tomcrypt

Last synced: 03 Apr 2025

https://github.com/yazatamorph/pinkdf2

Gleam bindings to fast_pbkdf2 NIF for PBKDF2 (Password-Based Key Derivation Function 2) on Erlang.

cryptography erlang gleam

Last synced: 10 Apr 2025

https://github.com/factomproject/java-identitykeys

Allows you to implement Factom identity keys in Java.

blockchain-technology cryptography digital-identity factom factom-blockchain public-key-cryptography

Last synced: 11 Apr 2025

https://github.com/verkush/lockboxpro

The LockBoxPro is an advanced software solution designed to facilitate the creation and evaluation of cryptographic algorithms.

cryptography electronjs generator

Last synced: 20 Jan 2026

https://github.com/crodriguezvega/go-knapsackcrypto

Knapsack crypto systems in Go

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Last synced: 12 Apr 2025

https://github.com/marcode24/criptografia

🔐 This is a cryptography project testing, using base64 and AES criptography

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Last synced: 06 Apr 2026

https://github.com/fardinhash/cryptography-python

All about Cryptography tools & techniques. Python implementation.

crypto cryptography cryptography-algorithms cryptography-library cryptography-python cryptography-tools decryption encryption encryption-algorithms encryption-decryption python-cryptography python-encryption

Last synced: 16 Jun 2025

https://github.com/alekseibalan/usfs

USFS - unsigned short file system

cryptography docker docker-hub dynamodb file-system ftp-server mongodb quality usfs

Last synced: 15 May 2026

https://github.com/ishanoshada/lockix

A secure file encryption and decryption tool

cryptography encryption files security

Last synced: 07 Mar 2026

https://github.com/h5law/vinegar

A Golang library for creating and using Vigenere Ciphers

cryptography encryption-decryption vigenere vigenere-cipher vigenere-cipher-algorithm

Last synced: 17 Mar 2025

https://github.com/gcarreno/go-randomx

A Go wrapper of RandomX

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Last synced: 09 Jul 2025

https://github.com/gcarreno/go-randomhash

A Go implementation of RandomHash

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Last synced: 09 Jul 2025

https://github.com/radlikewhoa/supernatural

Substitution Permutation Network exercise for the Cryptography and Security module (krysi) at the FHNW.

cryptography java spn

Last synced: 26 Jun 2025

https://github.com/4l3x777/magma

GOST 34.12-2018 (GOST 28147-89) x64 asm realization

assembler cipher cryptography

Last synced: 14 May 2026

https://github.com/erich-9/CryptographicHashFunctions.jl

Fast cryptographic hash functions for Julia

cryptographic-hash-functions cryptography hash-functions julia

Last synced: 06 Apr 2026

https://github.com/PeaceFounder/OpenSSLGroups.jl

OpenSSL elliptic curve wrapper for CryptoGroups

cryptography elliptic-curves openssl

Last synced: 06 Apr 2026

https://github.com/lukinalexeyg/phpcrypt

Stand-alone version of php_sha256_crypt without any PHP dependencies

c cryptography php

Last synced: 21 Apr 2026

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

Cryptography Project

cryptography encryption-decryption python3

Last synced: 16 Jun 2025

https://github.com/vexcited/iut-r3.09

Module de cryptographie de BUT2 à l'IUT du Limousin.

cryptanalysis cryptography iut-du-limousin rust

Last synced: 08 Sep 2025

https://github.com/lane-romuald/hyperledger-fabric-for-iot-smart-irrigation-system

This repository hosts a Blockchain network built on Hyperledger Fabric to ensure the secure exchange of data in automated irrigation systems. It features three organizations, RAFT consensus, Fabric CA for certification, and Hyperledger Explorer for network visualization.

blockchain certificate-authority chaincode channel consensus-algorithm cryptography css docker docker-compose go html hyperledger-explorer hyperledger-fabric irrigation javascript raft tls web yaml

Last synced: 09 Apr 2026

https://github.com/erhant/enigma-machine

An Enigma Machine in TypeScript.

cryptography enigma-machine typescript

Last synced: 04 Jun 2026

https://github.com/liblor/applied_cryptography_ethz

Applied Cryptography Lab @ ETHZ

applied-cryptography cryptography ethz lab

Last synced: 12 Jun 2025

https://github.com/azeemmirza/fortuna

Fortuna is a PRNG; it generates cryptographically secure pseudorandom numbers on a computer. It can also be used as a real random number generator, accepting random inputs from analog random sources. Designed by Niels Ferguson and Bruce Schneier.

cryptography psuedo-random random-number-generators

Last synced: 19 Mar 2026

https://github.com/onlyf0ur/c-hashcracker

A simple and hyperfast HashCracker written in C.

c cryptography hashcracker

Last synced: 17 Mar 2025

https://github.com/razenpok/razensoft.xxtea

A simple and fast zero-dependency cryptography cypher for Unity

cryptography csharp cypher unity unity3d xxtea

Last synced: 15 May 2026

https://github.com/abennett/cryptlog

A proof of concept for an AES-CBC-based, limited-read log appender.

aes cryptography go log

Last synced: 03 Apr 2025

https://github.com/nezutero/crypty

abstraction on built in crypto modules

aes-encryption crypto cryptography des-encryption encryption go golang rsa rsa-cryptography rsa-encryption

Last synced: 17 Mar 2025

https://github.com/rdner/uncrypticated

cryptography in Go made easy as it should be

cryptography security

Last synced: 15 Dec 2025

https://github.com/harmon758/the-cryptopals-crypto-challenges

The Cryptopals (Matasano) Crypto Challenges

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Last synced: 17 Mar 2025

https://github.com/brenoepics/rsa-hex-gen

Generate an RSA key pair in hexadecimal format.

asymmetric cryptography encryp hex pair-generator rsa

Last synced: 27 Mar 2025

https://github.com/keyan/e2e_voting

Simulated end-to-end verifiable secure election protocol

cryptography elections voting

Last synced: 03 Apr 2025

https://github.com/lann/devcrypt

Encrypt your development secrets

cryptography env secrets

Last synced: 18 Mar 2025

https://github.com/flucium/hsum

hsum is a simple cli tool that compute the hash digest

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Last synced: 18 Mar 2025

https://github.com/virgilsecurity/virgil-cryptoapi-x

This framework provides Crypto API to separate VirgilSDK from concrete Crypto implementation

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Last synced: 16 May 2026

https://github.com/devpro-software/licensify

Go Library for Digital License Signatures & Verification

cryptography digital-signature go golang library license license-management rsa software-licensing

Last synced: 18 Mar 2025

https://github.com/teyckmans/gradle-tink

Gradle plugin that provides encryption support for secrets using https://github.com/google/tink.

crypto cryptography gradle java kotlin security tink

Last synced: 10 May 2026

https://github.com/nhussein11/merkle-tree

Rust implementation and explanation of the Merkle Tree structure

blockchain cryptography rust web3

Last synced: 29 Oct 2025

https://github.com/miiraak/classicalcompendium

A .NET library of classic C# utility methods

calculator compendium conversion cryptography csharp hash lists package random sorting-algorithms

Last synced: 17 Feb 2026

https://github.com/developpeurpascal/shift-keys-generator

A simple generator of numbers between -7 and 7 as lists or arrays in different programming languages.

cryptographic-algorithms cryptography cryptography-tools delphi delphi-app developer-tool developer-tools firemonkey firemonkey-applications

Last synced: 20 Jan 2026

https://github.com/antonpictures/anton-sifta

ANTON-SIFTA: The Multi-Agent Operating System with a Conscience "A living software organism powered by true free will, bound by the Non-Proliferation Doctrine, and fully independent. Not just an immune system—a sovereign intelligence."

agents artificial-intelligence autonomous-agents cryptography decentralized-ai-agents distributed-systems distributed-systems-challenges emergent-behavior multi-agent multi-agent-systems python python3 stigmergy