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: 2026-06-27 00:06:46 UTC
- JSON Representation
https://github.com/thyeem/longshot
Fast Brute-force search using parallelism
brute-force-attacks cryptography haskell parallelism
Last synced: 06 May 2025
https://github.com/iscc/iscc-crypto
ISCC Signing & Verification
content-identification cryptography eddsa iscc timestamping
Last synced: 09 Apr 2026
https://github.com/botsuniverse/cryptrooper
Cryptrooper is a module that can encode and decode your text with a given key.
crypt cryptography decode encode python python3
Last synced: 29 Mar 2025
https://github.com/sammyne/sm4
A Go implementation of SM4 block cipher algorithm as specified by GM/T 0002-2012
Last synced: 18 Mar 2025
https://github.com/remiblancher/post-quantum-pki
Quantum-Safe X.509 PKI with PQC & Hybrid Certificates in Go
certificate-authority certificates circl composite-certificates crypto-agility cryptography golang hybrid-certificates ml-dsa ml-kem nist pkcs11 pki post-quantum-cryptography pqc qpki quantum-safe slh-dsa tls x509
Last synced: 27 Jan 2026
https://github.com/fpoirotte/cryptal-tomcrypt
An implementation of the Cryptography Abstraction Layer based on the tomcrypt PHP extension
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Last synced: 03 Apr 2025
https://github.com/supermarcel10/cryptographicanalysisofsha2
Comparative benchmark of SMT solver effectiveness in cryptographic hash collision discovery for SHA-2 algorithms.
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Last synced: 30 Jul 2025
https://github.com/thehashiramasenju/dag-livestocx
🌾 LivestocX: Revolutionizing LiveStock Asset finances through blockchain | Farmers tokenize assets, investors fund globally | Built for BlockDAG Hackathon 2025
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Last synced: 09 Apr 2026
https://github.com/slayernominee/cryptographic-algorithms
just some cryptographic algorithms to learn it
Last synced: 06 Jul 2025
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/nikhil25803/pyfidelius
Python SDK for Fidelius CLI, a tool designed for ECDH cryptography.
Last synced: 20 Jan 2026
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.
aes256 aes256-gcm cryptography encryption encryption-decryption file-encryption python security trending
Last synced: 03 Apr 2025
https://github.com/matias-gonz/rusty-curves
Elliptic curve implemented using bare rust and math
cryptography elliptic-curves rust
Last synced: 20 May 2026
https://github.com/lemon-mint/highcrypt
A crypto stack built with a proven cryptographic algorithm
algorithm crypto cryptography decryption encrypt encryption go
Last synced: 20 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/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/jakubvojvoda/rsa-cryptography
Simple RSA implementation using GMP
cpp cryptography decryption encryption gmp rsa
Last synced: 14 May 2025
https://github.com/isakruas/ecdp
The Elliptic Curve Data Protocol (ECDP) is a P2P communication protocol for decentralized networks, utilizing elliptic curve cryptography (ECC) for encryption, ECDSA for message authentication, and Diffie-Hellman key exchange for secure sessions. It operates over TCP and UDP.
cryptography data-security decentralized-networks diffie-hellman-key-exchange ecdsa elliptic-curve-cryptography encryption message-authentication peer-to-peer protocol secure-communication session-initialization tcp udp
Last synced: 06 May 2025
https://github.com/ahmedemad242/secure-shared-file-storage
Project aims to create a secure platform for file sharing using File Transfer Protocol (FTP) and hybrid cryptography. The project involves building an FTP server and client application in Python, as well as implementing multiple cipher encryption to protect the transferred files
cryptography encryption ftp python
Last synced: 04 Apr 2025
https://github.com/mehrajlatifli/lm-lock-in-mvvm
Example for Thread, Thread synchronization and Cryptography
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Last synced: 20 May 2026
https://github.com/unknnownnn/ctf-swiss-army-knife
An All in One program for solving CTF challenges
cryptography ctf ctf-tools cyber-forensics cybersecurity-tools hexdump-viewer pyqt6 python steganography windows
Last synced: 31 Jul 2025
https://github.com/madhurimarawat/codeculture-daily
A daily programming challenge repository where fun meets learning! With 39 challenges over 39 days, it helps coders enhance skills through practical tasks and interview prep. While maintenance is paused, contributions are welcome, and future expansions are planned to keep learning ongoing.
beginner-friendly code-repository cryptography daily-problems daily-progaramming intemediate-questions java javascript non-tech-questions official-solutions personality-development problem-of-the-day programming-contest python soft-skills tech-questions technologies tools website-deploy winner-announcement
Last synced: 10 Apr 2026
https://github.com/enricoong/Chat
Progetto annuale Java con Battistelli Giovanni, per professor D. Giachetto.
client cryptography database java maven rsa server
Last synced: 15 Jul 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: 12 Aug 2025
https://github.com/multifactor/ssskit
Fast, small and secure Shamir's Secret Sharing library crate
cryptography shamir-secret-sharing
Last synced: 07 Apr 2026
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/megrxu/cryptopals
Solutions for crypto challenges in crablang.
algorithms crypto cryptography rust
Last synced: 27 Mar 2025
https://github.com/lancejpollard/hash
Hashing Function Theory
cryptography group-theory hash-functions mathematics papers
Last synced: 28 Oct 2025
https://github.com/stripedpajamas/cryptopals-resources
resources to help solve cryptopals challenges without spoiling anything
cryptography cryptopals cryptopals-challenges cryptopals-crypto-challenges help information infosec links resource
Last synced: 19 Jan 2026
https://github.com/virgilsecurity/demo-twilio-sms-net
A simple Net Console application that demonstrates how to send encrypted message via SMS.
cryptography encryption end-to-end-encryption secured-by-virgil sms twilio twilio-sms twilio-sms-api
Last synced: 31 Jul 2025
https://github.com/aaron-akhtar/crypto
Learning crypto for future projects.
basic crypto cryptography encryption java
Last synced: 01 Aug 2025
https://github.com/texadactyl/cloaking.py
Pythonic password-based security of a single file or a single file system archive file.
cryptography encryption-decryption password-based pycrypto python python-3 python3
Last synced: 01 Aug 2025
https://github.com/petrknap/php-crypto-sodium
The library that packages functional `sodium_crypt_*` into objects.
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Last synced: 10 Jul 2025
https://github.com/vymalo/keycloak-bcrypt
Keycloak Bcrypt plugin for PasswordHashProvider
bcrypt crypto cryptography keycloak keycloak-spi passwordhash spi
Last synced: 15 Jul 2025
https://github.com/olucascruz/securechat_frontend
Frontend de aplicação web de chat com criptografia
chat cryptography react reactjs vite
Last synced: 16 May 2026
https://github.com/azrod/cryptio
cryptio is a modern Go library for secure password-based encryption and decryption, featuring Argon2id key derivation and AES-GCM. Choose your desired security level—Standard, Medium, or High—for optimal protection and performance balance.
argon2 argon2id cryptography decryption encryption golang key-derivation password-hashing symetric-encryption
Last synced: 24 Sep 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/volkansah/encode-and-decode-php8
This guide provides examples of how to encrypt and decrypt files using PHP's Sodium extension, which offers modern cryptographic functions.
crypto cryptography decryption encryption php php8 security sodium
Last synced: 18 Aug 2025
https://github.com/jamestaylr/aes
Implementation of AES and associated cryptographic helper functions in Crystal
aes course-work cryptography crystal
Last synced: 24 May 2026
https://github.com/alexgalhardo/blockchain.alexgalhardo.com
A web-based demonstration of blockchain concepts. This is a very basic visual introduction to the concepts behind a blockchain.
bitcoin blockchain cryptocurrency cryptography docker hash javascript nodejs pug-template-engine
Last synced: 09 Apr 2026
https://github.com/randombit/randomized-montgomery
Expermental implementation of randomized Montgomery exponentiation
Last synced: 25 Mar 2025
https://github.com/aead/sio
Go implementation of the Data At Rest Encryption (DARE) format.
Last synced: 14 Jan 2026
https://github.com/suvasish114/non-adaptive-partial-image-encryption
An image encryption project, proposed by Barrackpore Rastraguru Surendranath College's department of computer science undergraduates under Dr. Sukalyan Som's mentorship on adaptive partial image encryption of grayscale image based on chaos.
cryptography encription imageencryption imageprocessing opencv python
Last synced: 13 Apr 2026
https://github.com/skulltech/cryptanalysis-scripts
Some scripts for automated, algorithmic cryptanalysis.
classical-cipher classical-cryptography cryptanalysis cryptography
Last synced: 24 Jun 2026
https://github.com/makemake-kbo/satunna
satunna is a WIP reproducible pseudo-random code execution hashing algorithm
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Last synced: 03 Jul 2025
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/confy-security/confy-addons
Implementation of symmetric and asymmetric encryption with AES and RSA algorithms for client applications of the Confy communication system
aes base64 confy cryptography decryption encryption privacy rsa security
Last synced: 28 Jan 2026
https://github.com/sanjoy-sust/scpproject
This is Secure Communication Protocol for smart cart Cryptography management
aes aes-encryption algorithm cryptography design-patterns factory-method-pattern factory-pattern j2se java java-smart-cards security
Last synced: 07 Jun 2026
https://github.com/henriquesebastiao/blindage
A simple yet capable CLI password manager
2fa argon2 cryptography hashlib mfa password-manager python sqlalchemy totp typer
Last synced: 30 May 2026
https://github.com/blahberi/cryptox
Now with CryptoX, even your nan can encrypt like a pro
Last synced: 18 Mar 2025
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
Last synced: 22 Jun 2026
https://github.com/hirotoshioi/cryptopals-in-js
Working on http://cryptopals.com/ challenges
cryptography cryptopals javascript
Last synced: 16 Mar 2025
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).
cryptography daisyui feistel-network frontend lab-work richelieu-cipher tailwindcss university-project
Last synced: 28 Apr 2026
https://github.com/iamb4uc/db-backup-utility
A Python Project that can be used to backup some of the most used databases
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Last synced: 09 Feb 2026
https://github.com/foxtbirdy/mini_apps
The Official Mini-apps where apps are created?
cryptography css gui gui-application mini-apps pyqt5 pyqt5-desktop-application python
Last synced: 28 Apr 2026
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/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/BKLockly/ShadowMeld
🕶️ 隐蔽Shellcode嵌入与反检测加载器生成框架 / Stealthy Payload Delivery Framework with Anti-EDR Capabilities
bypass-antivirus bypass-av cipher cryptography hacking hide-files image-steganography lsb-steganography security shellcode shellcode-loader
Last synced: 01 Apr 2025
https://github.com/arpitgo4/bitcoin-wallet
Browser based Bitcoin wallet implementation.
bitcoin-wallet cryptocurrency cryptography react-router reactjs
Last synced: 29 Apr 2026
https://github.com/mukaschultze/diffie-chat
AES-CBC encrypted chat with elliptic-curve Diffie-Hellman key exchange, running on Angular
aes-cbc aes-encryption angular cryptography diffie-hellman elliptic-curves key-exchange-algorithms
Last synced: 21 Jan 2026
https://github.com/fa7ad/bad-ciphers
A collection of bad ciphers
cryptography hacktoberfest hacktoberfest2023
Last synced: 21 Jan 2026
https://github.com/fblupi/encryptator
A simple webapp to encrypt and decrypt messages
Last synced: 30 Apr 2026
https://github.com/recidvst/python-cryptography
Playing around with various python hashing and encoding methods as a learning exercise.
cryptography hash image python python3
Last synced: 16 Mar 2025
https://github.com/abdulsmapara/constant-size-group-signatures
Implementation of the research paper - http://crypto.stanford.edu/~xb/pkc07/fullgrpsigs.pdf
constant-size-group-signatures cryptography number-theory
Last synced: 11 Jun 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/codesteel/expressjs-login-application
Login/Register/And Password Reset into one Repository.
authentication cryptography expressjs login
Last synced: 01 May 2026
https://github.com/keeplist-io/keeplist-tpif
A thesis proposing a Tiered Privacy Framework to combat disinformation and enhance trust on the modern internet
amplification blockchain cryptography decentralized disinformation identity privacy social-media transparency verification
Last synced: 23 Feb 2026
https://github.com/stripedpajamas/cryptopals
node implementation of cryptopals challenges
cryptography cryptopals cryptopals-challenges cryptopals-crypto-challenges nodejs
Last synced: 02 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/jacob-ian/deno_random_bigint
Generate a random BigInt by bit-length with Deno.
Last synced: 02 May 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/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/rwilliamspbg-ops/smp-zk-proofs
A Rust library providing verifiable aggregation ledgers in distributed spatial networks. It implements deterministic zero-knowledge proof (ZKP) and verification pipelines for local data processing—specifically validating location constraints and machine learning training updates—using a flexible API designed for seamless integration with Halo2
arkworks cryptography halo2 machine-learning privacy-preserving rust spatial-networks verifiable-computation zero-knowledge-proofs zkp
Last synced: 22 Jun 2026
https://github.com/marichu-kt/chacha20-poly1305-x25519
Esto es una app cliente-servidor en C++ que cifra mensajes con ChaCha20-Poly1305 y usa X25519 para el intercambio seguro de claves. Soporta comunicación bidireccional por TCP y configuración vía XML.
asymmetric-encryption c-plus-plus chacha20-poly1305 client-server cpp cryptography curve25519 end-to-end-encryption multi-threading network-security openssl secure-chat secure-communication secure-messaging tcp-sockets x25519 xml-configuration
Last synced: 23 Apr 2025
https://github.com/ramesht007/syfertext_lang_models
initial model creation script for syfertext library.
cryptography machine-learning nlp
Last synced: 29 Aug 2025
https://github.com/rasmus-kirk/halo-accumulation
A rust implementation of the Halo2 accumulation scheme from the paper "Proof-Carrying Data from Accumulation Schemes"
accumulation-schemes blockchain crypto cryptocurrency cryptography halo2 rust
Last synced: 01 Apr 2025
https://github.com/texadactyl/cloaking.c
C-language password-based security of a single file or a single file system archive file.
c cloaking-utility cryptography encryption-decryption libgcrypt password-based
Last synced: 04 Apr 2025
https://github.com/hydronixt/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 cold-wallet crypto crypto-wallet cryptography ethereum hardware-wallet keypair mnemonic mnemonic-phrase seed seed-phrase wallet wallet-checker
Last synced: 03 May 2026
https://github.com/alexstevovich/ghostmail
[Node.js] Obfuscates inline HTML email addresses to protect from bots and scrapers.
cryptography email micro nodejs
Last synced: 15 Feb 2026
https://github.com/breezy-codes/cryptography-projects
A fun little collection of different cryptographic algorithms I've learned about. This is developed purely for fun, please don't use them for actual encryption.
crypto cryptographic-algorithms cryptography cryptography-algorithms
Last synced: 25 Mar 2025
https://github.com/embetrix/pycrypto-helper
python crypto operations helper
cryptography encryption-decryption pkcs11 python3 signature
Last synced: 01 Mar 2026
https://github.com/cachekit-io/cachekit-core
LZ4 compression, xxHash3 integrity, AES-256-GCM encryption for byte payloads
aes-gcm compression cryptography encryption lz4 rust
Last synced: 13 Jan 2026
https://github.com/web3pack/base58-check
A modern base58-check encoding library implemented in TypeScript with minimal dependencies for use in browser and Node.js.
base58 base58-check base58check bitcoin checksum crypto cryptography decode decoding encode encoding javascript nodejs typescript web3
Last synced: 13 Apr 2026
https://github.com/umitkrkmz/chaotic_audio_steganography
Official Python implementation of "Secure Audio Steganography using Vectorized LSB and Chaos-Based Encryption" (DOI: 10.64470/elene.2025.12).
audio-processing chaos-theory chaotic-maps cryptography image-encryption lsb-steganography pyside6 python research-paper steganography
Last synced: 13 Jan 2026
https://github.com/contisimone99/bulletin-board-system
Cryptography-focused messaging platform with Perfect Forward Secrecy, developed for cybersecurity education. Implements secure user registration (email challenge-response), encrypted message posting, and replay attack protection using raw OpenSSL primitives.
bulletin-board cpp cryptography openssl
Last synced: 02 Jul 2025
https://github.com/nanoframework/system.security.cryptography
📦 .NET nanoFramework System.Security.Cryptography
cryptography csharp dotnet embedded-systems hacktoberfest nanoframework
Last synced: 02 Mar 2026
https://github.com/forentfraps/acpkm-kuznechik-rust
Acpkm kuznechik implementation in RUST
acpkm cryptography kuznechik rust
Last synced: 05 Oct 2025
https://github.com/pushpendra-1697/wedsurf
This React onboarding project includes pages for login, signup, home, and profile functionalities, catering to user authentication and navigation, facilitating a seamless design experience. The user will be blocked for the next 24 hours after putting 5 times wrong password at the time of token-based login.
axios bcrypt chakra-ui cryptography expressjs jsonwebtoken jwt-decode mongodb mongoose nodejs otp-authentication react-components react-hooks react-icons react-router-dom react-slideshow-image reactjs responsive-design token-based-authentication twilio
Last synced: 02 Apr 2026
https://github.com/amr-yasser226/datagovernanceworkflow
Comprehensive data governance pipeline for SSH honeypot logs—covering data profiling, cleansing, quality assurance, encryption, classification, and GDPR/CCPA/HIPAA compliance. Built with Pandas, Pandera, YData Profiling, and cryptography, with simulated Caesar cipher attacks to demonstrate practical data-security techniques.
caesar-cipher ccpa cryptography cybersecurity data-cleaning data-encryption data-governance data-profiling data-quality data-validation data-visualization gdpr hipaa honeypot-analysis open-source pandas privacy-compliance python ssh-logs
Last synced: 05 Feb 2026
https://github.com/tetration-lab/solidity-ed-on-bn254
Solidity implementation of a twisted Edwards curve on scalar field of BN254, also known as Baby-Jubjub.
babyjubjub bn254 cryptography ethereum smart-contract solidity
Last synced: 04 May 2026
https://github.com/bodrovis-learning/cryptobits-yt-series
Серия уроков Crypto bits на YouTube
crypto cryptocurrency cryptography
Last synced: 15 May 2025
https://github.com/daisvke/ft_otp
This program allows you to securely store an initial password in an encrypted file and generate a new TOTP (Time-based One-Time Password) every time it is requested. It provides both a CLI and a GUI version.
cpp cryptography ecole42 ft-otp otp-generator qrcode-generator qt security totp totp-generator
Last synced: 28 Feb 2025
https://github.com/magical/deoxys
Go implementation of the Deoxys-II authenticated encryption scheme
Last synced: 24 Mar 2025
https://github.com/tsmx/string-crypto
Easy encryption and decryption for strings in NodeJS.
aes cipheriv crypto cryptography encryption string
Last synced: 22 Feb 2026
https://github.com/onlycodergod/crypto-beta
🛡learn and watch how crypto work in Go
const crypto cryptography golang-library hash key privatekey sha
Last synced: 12 Jan 2026
