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
JSON Representation

https://github.com/dragonscypher/galactic-guardians

A fun game to play with friends on the same network

blockchain cryptography opengl pygame socket-programming

Last synced: 18 May 2026

https://github.com/sidd0894/password-encryption-decryption-tool

Terminal based password encryption/decryption tool

aes-encryption cryptography fernet-cryptography fernet-decryption fernet-encryption hmac-sha256 password-encryption password-encryptor symmetric-encryption symmetric-encryption-algorithm symmetric-key-encryption

Last synced: 09 Apr 2025

https://github.com/nico-rodriguez/node-passgen

A Node random password generator.

cryptography password-generator

Last synced: 19 May 2026

https://github.com/zing-rsa/discord-wallet-verify-backend

Microservice to perform Cardano wallet(signature) verification for discord bots

cardano cryptocurrency cryptography signature-verification

Last synced: 02 Apr 2025

https://github.com/anshvaid4/ul

Repository showcasing the mathematics for cryptography and other cyber related concepts

cpp cryptography cyber-security mathematics university-of-limerick

Last synced: 27 Mar 2025

https://github.com/hpgrahsl/current22-k4k-demo

This repository hosts the live demo scenario shown during my Current22 talk about 'Client-Side Field Level Cryptography for Streaming Data Pipelines'

apachekafka cryptography end-to-end-encryption eventstream-pipeline kafka-connect ksql ksqldb security smt udfs

Last synced: 07 Jun 2026

https://github.com/HK-Transfield/python-aes-encryption

A simple example of AES encryption that encrypts an image who size is the larger than the AES block size.

aes aes-encryption cryptography encryption

Last synced: 12 Aug 2025

https://github.com/sucho6996/imagecryptosteganography

A simple project of hiding message inside an image after encrypting it built with python

cryptography python steganography

Last synced: 29 Mar 2025

https://github.com/antonmeep/fastpbkdf2_ada

Binding and an Ada wrapper for fastpbkdf2

ada cryptography pbkdf2

Last synced: 16 Jul 2025

https://github.com/vilajj/python-client_server-socket

A simple client-server created with Python, with cryptograpy and threading.

client-server cryptography python socket threading-server

Last synced: 10 Sep 2025

https://github.com/albertshih3/cse-130

Code for labs and homeworks for CSE 130 at UC Merced (Introduction to Cryptography).

cryptography ucmerced

Last synced: 27 Jun 2025

https://github.com/vzool/go-sapient

[Under Development] Sapient Implementation Toolkit for golang to Secure API

cryptography golang paragonie sapient

Last synced: 02 Jul 2026

https://github.com/artemyakovlev94/crpt2

c crpt crypto cryptography

Last synced: 19 May 2026

https://github.com/rstacks/uscyberopenseasoniv-beginnersgameroom-writeup

Writeups for the challenges I attempted in the Beginner's Game Room of the US Cyber Open (Season IV).

cryptography ctf ctf-challenges ctf-solutions ctf-writeups digital-forensics pwn reverse-engineering web-exploitation

Last synced: 13 Aug 2025

https://github.com/richard66nz/encryption-onetimepad

Demonstration python code using pyQT for One Time Pad encryption

cryptography one-time-pad pyqt5 python

Last synced: 06 Apr 2025

https://github.com/kshitiz-mhto/cryptix

Cryptix is a simple CLI utility that leverages hybrid cryptographic architecture bend of AES and RSA key-pair to securely encrypt and decrypt messages.

0auth2 cobra cryptography golang googledriveapi logrus

Last synced: 06 Apr 2025

https://github.com/crosbydoo/laravel-kriptografi

Aplikasi sederhana berbasis web yang dapat upload file pdf dan dapat membaca dan meenkripsi isinya ke dalam bentuk file yang berbeda namun isinya sudah dienkripsi menggunakan AES. framework yang digunakan adalah laravel 10

aes-encryption cryptography decryption encryption kriptografi laravel php

Last synced: 21 May 2026

https://github.com/lucianosarno/cryptography-udemy-course

Repo aimed to support and demonstrate cryptography practice following Udemy course (https://www.udemy.com/course/learn-cryptography-basics-in-python)

cryptography cybersecurity python

Last synced: 13 Aug 2025

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/x-financial-technologies/.github

blockchain cryptocurrency cryptography ethereum finance fintech onchain smart-contracts stablecoins tokenization tokenized-funds x-financial-technologies xft

Last synced: 16 Mar 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/shaina-gh/dss

Java implementation of the Digital Signature Standard (DSS) for message integrity and authenticity verification.

cryptography cryptography-algorithms digital-signature-algorithm digital-signature-authentication dss java signature-verification

Last synced: 22 Apr 2025

https://github.com/hrichharms/rc4

RC4 implemented in C

cryptography rc4 rc4-algorithm rc4-cipher rc4-encryption

Last synced: 08 Apr 2025

https://github.com/gabrielmajeri/crypto-data-structures

Data structures in Rust for cryptocurrencies and blockchain-related technologies

blockchain cryptocurrency cryptography merkle-tree

Last synced: 08 Apr 2025

https://github.com/gkbrk/r30sponge.h

Sponge function based on the Rule 30 Cellular Automaton

c c89 c99 cryptography stb stb-library

Last synced: 24 Mar 2025

https://github.com/daisvke/dcrypt

dcrypt is a file encryption/decryption tool that adds a custom header to encrypted files, storing essential metadata for decryption and management of the encrypted content.

aes-128-cbc c cryptography encryption-decryption keygen

Last synced: 25 Mar 2025

https://github.com/salrashid123/ocicrypt-tpm-keyprovider

OCICrypt provider for Trusted Platform Modules (TPM)

cncf containers cryptography encryption oci trusted-platform-module

Last synced: 16 Mar 2025

https://github.com/hrichharms/salsa20

Salsa20 stream cipher implemented in Haskell

cryptography salsa20 stream-cipher xor-cipher

Last synced: 08 Apr 2025

https://github.com/willdunklin/elgamal

Implementation of elliptic curve elgamal cryptography in Python (coursework)

cryptography

Last synced: 29 May 2026

https://github.com/iphydf/toxcore

Fork of toxcore that's not a github fork

cryptography encryption network p2p security toxcore

Last synced: 18 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/badgerbloke/crypto-exchange

The fastest and most secure crypto exchange platform.

crypto cryptocurrency cryptocurrency-exchanges cryptography ethereum nextjs reactjs single-page-app smart-contracts

Last synced: 16 Mar 2025

https://github.com/lazula/cryptopals

A collection of solutions for the challenges at cryptopals.com in C89

cryptography ctf

Last synced: 08 Jul 2025

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

RC5 Cipher Implementation in Rust

cryptography rust security

Last synced: 24 Mar 2025

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

A key store in Rust

cryptography keystore traits

Last synced: 24 Mar 2025

https://github.com/ia/crypto

crypto means cryptography

base64 challenges cryptography perl xor

Last synced: 11 Feb 2026

https://github.com/rdrahul123/books

Books must be read as deliberately and reservedly as they were written.

algorithms-and-data-structures blockchain books cryptography datastructures dbms machine-learning mongodb sql

Last synced: 12 Jun 2025

https://github.com/egrace479/asymmetric-cloning-bb84

Continuation of QuForce Innovation Fellows Project to implement asymmetric cloning to eavesdrop on the BB84 protocol.

bb84 bb84-protocol cryptography ionq qkd qkd-protocol quantum-computing

Last synced: 18 Jan 2026

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/pereirar3/cryptography-cipher

Simple and complex encryption algorithms in c++ [objective: learning] - IN UPDATE

cipher-algorithm cpp cryptography

Last synced: 04 Sep 2025

https://github.com/crybercorp/thecryptoanarchistmanifesto

The Crypto Anarchist Manifesto by Timothy C. May, written in 1988.

anarchy anonymous bitcoin cryptography dogecoin ethereum freedom manifest monero privacy

Last synced: 06 Apr 2025

https://github.com/bitbynik/aes_secure_msg

COL759 Assignment-3

aes-256 client-server cryptography iitd messaging

Last synced: 28 Aug 2025

https://github.com/yeshan333/python-cryptography-coding

Classic encryption algorithm: Python implementation

cryptography python

Last synced: 21 Mar 2025

https://github.com/pieroboseta/filenfile

filenfile is a Python application that securely hides and extracts files and folders within a main file of your choice using encryption and compression techniques, providing a simple and efficient way to store sensitive data discreetly.

compression cryptography data-hiding data-security file-archiving file-encryption file-security hidden-files hide lzma-compression metadata-encryption python-application python-gui python-script secure-storage tkinter

Last synced: 01 Apr 2025

https://github.com/eroydev/bip39-rusty

Rust library for BIP-39 mnemonic system

bip39 bitcoin cryptocurrency cryptography rust

Last synced: 22 Feb 2026

https://github.com/cturner8/secure-chat

cryptography encryption nextjs react supabase typescript

Last synced: 12 Jan 2026

https://github.com/omarbazaraa/security_rsa

Implementation of the RSA algorithm.

algorithms cryptography decryption encryption number-theory rsa-cryptography security

Last synced: 04 Sep 2025

https://github.com/xm0onh/stateviz.dev

Interactive visualization playground for blockchain data structures. Learn how blockchains organize and store data through hands-on exploration and visual experimentation.

algorithms blockchain cryptography data-structures educational ethereum merkle-trie playground

Last synced: 12 Apr 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/vinicius-gabriel-p-leitao/python-rsa-cryptography

Desafio_CriptografiaRSAPython

cryptography estudos faculdade python rsa

Last synced: 04 Sep 2025

https://github.com/sambhu431/salt-based-encryption-and-decryption

Securely encrypt and decrypt files and folders using salt-based, password-protected methods. Protect your data from hacking, leakage, and theft.

cryptography datasecurity decryption encryption encryption-decryption fernet fernet-cryptography fernet-decryption fernet-encryption fernet-key pbkdf2 pbkdf2-hmac pythonen salt security

Last synced: 09 Apr 2025

https://github.com/enkore/zignify

Re-implementation of OpenBSD signify(1) in Zig (first code in Zig)

crypto cryptography signify zig

Last synced: 25 Mar 2025

https://github.com/frostbyte012/cryptography-network-security-lab-assignment-nit-sikkim

This repo is all about the cryptography techniques that we use in our daily lives

cryptography encryption-algorithms encryption-decryption network-security python3

Last synced: 26 Jun 2025

https://github.com/kcbojanowski/cryptographyappproject

App that helps you deal with classical algorithms of cryptography as well as RSA algorithm and Shamir's Secret Sharing Scheme.

cryptography python3

Last synced: 16 Mar 2025

https://github.com/5obhan/cs01-image-steganography

Hiding Information Inside an Image using AES-CBC Encryption & Least-Significant-Bit Steganography

aes aes-256 aes-cbc aes-cbc-256 aes-cbc-encryption aes-encryption cryptography cyber-security cybersecurity encrypted-data encryption-decryption image-steganography least-significant-bit lsb-bit-manipulation lsb-steganography steganography

Last synced: 05 Aug 2025

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/leotot4/zyra-crypto-wallet-mnemonic-seed-phrase-balance-checker

This repository features Zyra, a crypto wallet tool that includes functionality for checking balances using mnemonic seed phrases. It allows you to securely manage and verify cryptocurrency balances associated with various wallets.

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

Last synced: 25 Mar 2025

https://github.com/rlxchap2/cybertools

A web-based cybersecurity toolkit that provides simple, open-source utilities like steganography, hash generators, and encoders/decoders. It’s designed to help users hide, analyze, and process data securely through a clean and accessible interface.

base64 crypto cryptography cybersecurity decryption encryption ethical-hacking ethical-hacking-tools hash hashing hex hex-viewer hexviewer jwt jwt-decode stagnography tools

Last synced: 13 Feb 2026

https://github.com/viveksahu26/cobra_cli

chit-chat: send encrypt and decrypt messages in your style

cobra-cli cryptography go

Last synced: 04 Jul 2025

https://github.com/ikechukwu-peter/cryptography

A project to demonstrate cryptography

cryptography ejs express expressjs nodejs typescript

Last synced: 12 Apr 2026

https://github.com/diegodromer/guardara

Guardara – Seu cofre digital inteligente. De senhas “fortinhas” a criptografia de dar inveja a espião da CIA. 🔐

cloud-security cryptography dart encryption firebase flutter hive mobile mobile-app mvvm open-source password-generator password-manager secure-storage tfa two-factor-authentication

Last synced: 01 May 2026

https://github.com/scttnlsn/cryptopals

Cryptopals in Rust

cryptography cryptopals

Last synced: 07 Apr 2025

https://github.com/abhayagiri/raho

Python module for simple symmetric encryption built on cryptography

cryptography fernet python python2 python3

Last synced: 25 Mar 2025

https://github.com/i2rys/diffiequantum

Diffie Hellman merged with HQC.

cryptography diffie-hellman hqc merge pqc

Last synced: 05 Sep 2025

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/mkorolyov/crypt

crypt

aes-encryption crypto cryptography go golang hashing hybrid-cryptography rsa-key-encryption

Last synced: 26 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/k2/stylometrics

Stylometric Stenography LLM Generation Attribution DRM/DLP

content-attribution content-security content-verification cryptography data-embedding data-loss-prevention digital-rights-management digital-watermarking fingerprinting information-security linguistic-steganography metadata plausible-deniability steganography structural-encoding stylometry text-analysis typescript zero-width-characters

Last synced: 09 Apr 2025

https://github.com/egorgvo/sberbank_callback_async_cryptography

Python implementation of Sberbank signature verification using async cryptography

cryptography sberbank signature-verification

Last synced: 11 Mar 2026

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/mfridman/cryptopals

My solutions for http://cryptopals.com, written entirely in Go, sprinkled with concurrency

cryptography cryptopals go golang

Last synced: 16 Mar 2025

https://github.com/bitcoin-evo/bitcoinevo

BitcoinEvo Core integration/staging tree

bitcoinevo c-plus-plus cryptocurrency cryptography p2p

Last synced: 03 Apr 2025

https://github.com/mrummanhasan/cryptography

cryptography extended-euclidean-algorithm traditional-cipher

Last synced: 11 Jun 2026

https://github.com/rancoud/crypt

Crypt Package

argon2i argon2id bcrypt composer coverage crypt cryptography hash packagist php php74 php8 php80 php81 phpunit phpunit9

Last synced: 09 Apr 2025

https://github.com/make-github-pseudonymous-again/id

:performing_arts: Aurélien's public keys

cryptography public-key security

Last synced: 11 Mar 2026

https://github.com/Anja20/Crypto-Calculator

btc crypto crypto-bot crypto-market crypto-tools crypto-trading crypto-wallet cryptocurrencies cryptocurrency cryptography nft not notcoin ton toncoin trc tron usdt

Last synced: 11 Mar 2025

https://github.com/xandersteyn/rsa-timing-attack

A Python script demonstrating a timing attack on RSA decryption, recovering private key bits by analyzing execution time differences.

cryptographic-analysis cryptographic-attacks cryptography cybersecurity encryption ethical-hacking key-recovery multiprocessing penetration-testing python rsa rsa-key-attack security-research timing-attacks

Last synced: 16 Mar 2025

https://github.com/ntdls/ntdls.nasccl

The NetworkDLS original symmetric cipher algorithm ported to C#.

algorithms cryptography encryption symmetric-encryption

Last synced: 11 Mar 2025

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/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/ppad-tech/sha512

Pure Haskell SHA-512, HMAC-SHA512

cryptography hashing haskell sha2 sha512

Last synced: 23 Jun 2025

https://github.com/themaskedman981/sage-boolean-solver

Implementation of Boolean Arithmetic in SAGE math

cryptography python sagemath

Last synced: 30 May 2026

https://github.com/smallstepman/fluency-interview-task

interview tasks

cryptography interview-exercise portfolio rust webserver

Last synced: 25 Mar 2025

https://github.com/h0llyw00dzz/crypto-rand

Cryptographically secure random utilities

browser crypto cryptographic cryptographic-primitives cryptography cryptography-algorithms nodejs numbers-don-t-lie random random-numbers random-string secure security uuid

Last synced: 11 Mar 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/fastroware/password-manager

Offline password manager with encrypted local storage and user-friendly interface using python.

aes cryptography desktop-app encryption foss-password-app gui offline open-source password-manager python python-gui-password-manager security tkinter

Last synced: 06 Jul 2025

https://github.com/mpankajarun/file-encryption-and-decryption

This app is an experiment that will allow people to choose files from their computers and encrypt them client-side with a pass phrase.

cryptography cryptojs javascript

Last synced: 04 May 2026

https://github.com/alvii147/hashbrown

My compilation of cryptography functions and personal start to cryptography

cryptography

Last synced: 28 Apr 2025

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/jvz/musigma.blog

A blog about programming.

blog cryptography functional-programming java programming reactive scala security shell

Last synced: 08 Jan 2026

https://github.com/antonio-marasescu/edublock

EduBlock represents a private blockchain platform intended for the sharing of educational records between universities. It was created to serve as my bachelor thesis degree.

angular blockchain cryptography docker expressjs gulp ngrx nodejs rabbitmq redux typedi typeorm typescript