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: 2026-06-30 00:07:03 UTC
- JSON Representation
https://github.com/edeckers/lib1password-unofficial
Educational TypeScript implementation of 1Password's security model with interactive explainer. Covers Secret Key generation, PBKDF2 key derivation, and AES-256-GCM vault encryption
1password aes-256 cryptography educational encryption interactive-demo password-manager pbkdf2 pet-project security srp typescript web-crypto
Last synced: 28 Feb 2026
https://github.com/devprojectekla/cryptoman-gui
This is a simple kivy application to encrypt and decrypt files or a whole directory tree.
cryptography kivy-application kivy-framework python
Last synced: 27 Feb 2026
https://github.com/mingikang31/SiFT-v1.0
Cryptography Project
cryptography encryption-decryption python3
Last synced: 09 May 2026
https://github.com/containerscrew/rsecure
Secure file encryption using pure Rust and AES 🔒
aes-gcm aur-package cli crates-io crypto-library cryptography data-protection file-encryption privacy rust security
Last synced: 11 Feb 2026
https://github.com/tuokri/unrealscript-fcrypto
Pure UnrealScript SSL/TLS implementation and cryptography utilities based on BearSSL. Work in progress.
bearssl block-cipher cryptography decryption ecdh ecdhe encryption hkdf hmac https-client sha-1 udk ue3 unreal-engine-3 unrealscript xxtea
Last synced: 19 Mar 2026
https://github.com/ggsmith842/crypto-hacks
CTF challenges from the Cryptohack Cryptography course.
Last synced: 10 Feb 2026
https://github.com/ninja-yubaraj/picoctf-writeups
Solutions and Writeups for picoCTF Challenges.
cryptography ctf forensics general-skill general-skills picoctf reverse-engineering web-exploitation writeup writeup-ctf writeups
Last synced: 01 Jul 2025
https://github.com/systemslibrarian/crypto-lab
A full-spectrum, browser-based cryptography laboratory covering modern, classical, and post-quantum systems.
browser-demo crypto-lab cryptography cryptography-education deniable-encryption hash-functions homomorphic-encryption portfolio post-quantum-cryptography stream-cipher typescript webassembly zero-knowledge-proofs
Last synced: 01 Jun 2026
https://github.com/ajnouri/network-automation
Development container for network automation.
ansible cryptography napalm net-tools netmiko openssh-client paramiko pexpect pycharm-ide pyntc python python-pip python3-setuptools python36 telnet
Last synced: 19 Jan 2026
https://github.com/pactus-project/python-sdk
Python-SDK for Pactus Blockchain
blockchain bls bls12-381 cryptography ed25519 grpc pactus python rpc sdk web3
Last synced: 15 Apr 2025
https://github.com/zkportal/aleo-oracle-sdk-go
Golang client SDK for Aleo Oracle
aleo backend blockchain cryptography decentralized oracle zero-knowledge
Last synced: 31 Jan 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/arkorty/rustcm-cli
UTF-8 Text Cipher using XChaCha20-Poly1305
chacha20-poly1305 cli cryptography rust
Last synced: 24 Jan 2026
https://github.com/crane-valley/kylix-cli
A command-line interface for Kylix, a post-quantum cryptography library implementing NIST FIPS standards in Rust.
cli command-line cryptography digital-signatures fips-203 fips-204 fips-205 key-generation ml-dsa ml-kem post-quantum pqc rust slh-dsa
Last synced: 28 Jan 2026
https://github.com/lgraubner/strong-pwgen-cli
🔒Generate cryptographically strong passwords.
cli crypto cryptography password password-generator
Last synced: 27 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/nobleknightt/gravityfalls
Implementation of Famous Ancient Ciphers and Encryption Techniques
ciphers cryptography morse-code python
Last synced: 14 Dec 2025
https://github.com/lemniscate-world/noun
Build my own blockchain based on TOR protocol
anonimity blockchain cryptography proof-of-stake security tor
Last synced: 25 Mar 2025
https://github.com/jenson073/factorization_algorithms
This project was designed as a simple exploration of RSA algorithm vulnerabilities, particularly focusing on the factorization problem. It's an excellent example of how web technologies can be applied to explore and demonstrate cryptographic concepts.
cryptography factorization information-security rsa
Last synced: 14 Mar 2025
https://github.com/ryleeharrison/iv-crypto
More of an example, not recommended for production use
Last synced: 26 Mar 2025
https://github.com/cpscript/qrcryptography
Experimental post-quantum cryptographic framework implementing hybrid lattice-based encryption with hash based signatures. Combining Ring-LWE, standard LWE, and Merkle trees for defense against classical and quantum attacks.
cryptographic-research cryptography experimental hash-based-signatures python quantum-resistant ring-lwe
Last synced: 04 Sep 2025
https://github.com/byjohnmichael/sealed-wallet
Sealed Wallet is a set of python scripts to enable you to create and manage air-gapped crypto wallets
air-gapped-wallet arch-linux cryptocurrency cryptography security
Last synced: 15 May 2026
https://github.com/syedzawwarahmed/encryption-algorithms
A collection of encryption algorithms implemented in Rust.
Last synced: 28 Feb 2025
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/CorvidLabs/swift-algochat
🔐 Encrypted messaging on Algorand. Your keys, your messages, your blockchain.
algorand async-await blockchain chacha20-poly1305 cryptography decentralized encryption end-to-end-encryption hkdf messaging privacy psk quantum-resistance swift swift-package-manager x25519
Last synced: 23 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/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/edgarogh/camerash
Little educational app to create entropy/randomness from a video input
android cryptography educational hash random
Last synced: 07 Jan 2026
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/victor-0x29a/basethor
Simple cryptography based in to Base64.
Last synced: 16 Mar 2025
https://github.com/tdjsnelling/garbled-circuits
Yao’s Garbled Circuits in TypeScript
cryptography garbled-circuits javascript mpc multiparty-computation nodejs oblivious-transfer typescript verilog
Last synced: 12 Apr 2026
https://github.com/anseki/grunt-gnirts
Obfuscate string literals in JavaScript code.
cryptography gnirts grunt-gnirts grunt-plugins gruntplugin javascript literal mangle obfuscate obfuscated obfuscation obfuscator password secret security string
Last synced: 08 Mar 2026
https://github.com/disalad/caesar-cipher
📜 A tool to encrypt, decrypt & crack texts with a substitution cipher
caesar-cipher caesar-cipher-cli caesar-cipher-python cli cryptography substitution-cipher symetric-key
Last synced: 06 Apr 2025
https://github.com/mjc-gh/wcbin
🗄️ A static webpage for client-side encrypted archive files with the WebCrypto API
cryptography html5 javascript security webcrypto webcryptography-api
Last synced: 13 Sep 2025
https://github.com/pmuens/ecc-ts
Elliptic Curve Cryptography implementation of ECDH and ECDSA on curve secp256k1
cryptography cryptography-algorithms cryptography-library ecdh ecdsa elliptic-curve elliptic-curve-cryptography elliptic-curve-diffie-hellman elliptic-curve-digital-signature-algorithm secp256k1
Last synced: 15 May 2025
https://github.com/simplyyan/w7dth
A Go library for easy, fast, lightweight and effective encryption.
criptografia cryptography cryptography-algorithms cryptography-library cryptography-tools decryption encryption framework go golang golang-library lib libraries library w7dth
Last synced: 01 Apr 2025
https://github.com/ajay-dhangar/crypto
My submition for the Microsoft Future Tech 2022 Hackathon
crypto cryptocoins cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography
Last synced: 30 Mar 2025
https://github.com/btylrob/apikitten
API Key and Token Storage App with AES Encrpytion
aes command-line cryptography go golang
Last synced: 26 Feb 2025
https://github.com/makemake-kbo/satunna
satunna is a WIP reproducible pseudo-random code execution hashing algorithm
crypto cryptography hash hashing-algorithm salt salting virtual-machine
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/matt-raffel-kiva/didgen
Simple tool for generating DID and VERKEY pairs
aries-agents aries-framework cryptography encryption-algorithms hyperledger hyperledger-aries hyperledger-indy indy-node indy-sdk rust rust-lang
Last synced: 24 May 2026
https://github.com/nethermindeth/eth-pairings-bindings
C# bindings for the eth_pairings library
cryptography eip-1962 pairings
Last synced: 12 Jul 2025
https://github.com/hirotoshioi/cryptopals-in-js
Working on http://cryptopals.com/ challenges
cryptography cryptopals javascript
Last synced: 16 Mar 2025
https://github.com/than-dev/passm
A simple and secure node local password manager!
cryptography filesystem javascript linux management nodejs security terminal
Last synced: 12 Apr 2026
https://github.com/marlonbarcarol/enigma-engine
An encryption algorithm with the implementation of the enigma machine
cipher cryptography encryption enigma enigma-machine javascript substitution-cipher typescript
Last synced: 15 May 2025
https://github.com/dianpermana/cryptography
Cryptography: Encryption and Decryption as part of Security Test ( JavaScript + Groovy + .Jar File )
aes-encryption-decryption base64-encoding comp128 crc-algorithms crypto cryptography des-encryption-decryption hash hmac jmeter jwt rc4-algorithm smartcard
Last synced: 24 Mar 2025
https://github.com/vlsergey/seccookie
Java library for security cookies, client-side pieces of data protected from reading and modifications by client with strong cryptography
cookie cookies cryptography cryptography-library java java-library security
Last synced: 03 Jul 2025
https://github.com/danieldidiobalsamo/sha256sum_from_scratch
SHA-256 from-scratch implementation in Rust
cryptography hashing rust sha256
Last synced: 21 Apr 2025
https://github.com/demining/chinese-version-of-bitcoin-blockchain-cryptanalysis
比特币密码分析工具
attack bitcoin bitcoin-wallet btc cryptoanalysis cryptography privatekey secp256k1 vulnerability
Last synced: 10 Mar 2026
https://github.com/wookey-project/driver-stm32f4xx-hash
STM32F4xx HASH userspace driver
crypto-driver cryptography driver embedded hash userspace-driver wookey
Last synced: 03 Sep 2025
https://github.com/frankrichardhall/huddle01-testnet-airdrop-bot
A Node.js-based automation script that helps you join Huddle01 rooms with multiple wallet accounts at once to earn testnet participation points efficiently.
airdrop automation blockchain cryptography evm google-meet meet node testnet
Last synced: 29 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/taoq-ai/qkd-playground
Interactive web-based Quantum Key Distribution simulator and learning platform. Step through BB84, E91, and B92 protocols, visualize qubit states, and simulate eavesdropping attacks.
bb84 cryptography cybersecurity education interactive qkd quantum-computing quantum-key-distribution quantum-simulation react
Last synced: 13 Apr 2026
https://github.com/virtualox/get-randomhex.ps1
Adjustable Random Hex String Generator.
cryptography function hex hexadecimal powershell powershell-scripting powershell-scripts random-key-generator rngcryptoserviceprovider
Last synced: 25 Jun 2026
https://github.com/bahanix/chatchan
End-to-end encrypted chat in your browser
chat cryptography end-to-end web-app
Last synced: 13 Oct 2025
https://github.com/volhovm/rsa-zkps-impl
ZK protocols for knowledge and range of Paillier-like ciphertexts in subverted RSA groups
Last synced: 24 Jun 2026
https://github.com/klestovalexej/emerald.examples
Примеры работы с API облачного транспорта
cms cmssigner cryptography https pkcs restsharp signer wattle3 x509certificates
Last synced: 11 Jun 2025
https://github.com/yuukiofuyu/campus
Simple Feedback Web to Connect Students with Lecturers Based on Python FLASK
cryptography daisyui decryption encryption flask flask-application flask-sqlalchemy flask-web flask-webapp python-app python-flask python-web python-webapp python3 simple-app simple-project simple-website tailwind web webapp
Last synced: 14 Apr 2025
https://github.com/virgilsecurity/demo-nexmo-chat-server
Application API server for the Virgil Nexmo Demo Messaging app.
api chat cryptography demo encryption messenger nexmo server
Last synced: 23 Jun 2026
https://github.com/abhrankan-chakrabarti/diffsquare
This project is authored by Abhrankan Chakrabarti and demonstrates an efficient implementation of Fermat’s Difference of Squares method for factoring large integers. The implementation is written in Rust and utilizes the malachite crate for arbitrary-precision arithmetic.
biginteger cryptography fermat numbertheory opensource rustlang
Last synced: 09 Apr 2025
https://github.com/ao3575911/dark-swan
Decentralized identity and symbolic anonymization protocol — Ed25519 signing, rotating pseudonyms, and local registry for private verifiable identities.
anonymization cryptography decentralized ed25519 identity privacy pseudonym python
Last synced: 22 Jun 2026
https://github.com/netesf13d/py-ecc
Python implementation of elliptic curve cryptography
cryptanalysis cryptography elliptic-curve-cryptography
Last synced: 17 Jun 2026
https://github.com/gers2017/cerberus
Cerberus, guardian of the underworld. A Python CLI tool to cipher your data
cesar-cypher cli cryptography cypher developer-tools python
Last synced: 11 Mar 2025
https://github.com/yashsahsani/kame-hameha
This project explains how to use symmetric and asymmetric cryptographic methods simultaneously.
cryptography kame-hameha malware malware-analysis psexec python python3 ransomeware red-team ssh worm
Last synced: 15 Jun 2026
https://github.com/masa-finance/masa-express
Masa Express
cryptography express library session
Last synced: 13 Apr 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/protomorphine/rsa-communication-system
Основные стадии процесса шифрования текстового сообщения с помощью алгоритма RSA
cryptography encryption matlab rsa
Last synced: 01 Jun 2026
https://github.com/mehrajlatifli/encryption-and-decryption-for-text-and-file
Example for Encryption and Decryption
console cryptography decryption encryption encryption-decryption file text wpf
Last synced: 11 May 2026
https://github.com/chanced/navajo
A cryptographic toolkit for Rust
crypto cryptography rust security
Last synced: 19 Jan 2026
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/mk-fg/ca-certificates-whitelist-filter
Tool to filter system-wide trusted Web PKI TLS Certificate Authorities in linux distros on a whitelist-basis
certificates cryptography linux python security sysadmin tls tool trust web-pki x509
Last synced: 10 May 2026
https://github.com/pccr10001/cryptoauthlib
Microchip CryptoAuthentication Library
arduino arduino-library atca atecc508a cryptoauthlib cryptography esp32
Last synced: 10 May 2026
https://github.com/yawning/edwards25519-extra
Go ed25519 extras (mirror)
crypto cryptography ed25519 h2c vrf
Last synced: 24 Jun 2026
https://github.com/akshatamohanty/practical-blockchain
Website for practicalblockchain.org. Practical Blockchain is a meetup group in Singapore, started in 2021. We focus on talks and workshops by speakers building blockchain applications in production, learning from their research and insights.
blockchain cryptography dapps ethereum security smartcontracts solidity zkproof
Last synced: 09 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/yashkarthik/steno_hide_text
Hide text in an image with steganography.
cryptography image-manipulation python steganography
Last synced: 11 Mar 2026
https://github.com/ocdbytes/ecdsa-node-blockchain
This project is an example of using a client and server to facilitate transfers between different addresses. Since there is just a single server on the back-end handling transfers, this is clearly very centralized. We won't worry about distributed consensus for this project.
cryptography ethereum-cryptography javascript publickey-cryptosystem vitejs
Last synced: 13 Apr 2026
https://github.com/opendream/vanityssh-rust
VanitySSH-Rust is a Rust-based project designed to generate SSH keys with customizable prefixes or patterns. It emphasizes performance and security, leveraging Rust's strengths for efficient cryptographic operations and minimal resource usage.
cryptography key-generation rust ssh vanity-key
Last synced: 16 Jan 2026
https://github.com/wriar/shadowbox
Development Repository of ShadowBox, an open-source zero-knowledge file storage & encryption platform written in NodeJS
collaborate cryptography deepsource file-manager file-sharing ghdesktop github microsoft nodejs
Last synced: 08 May 2026
https://github.com/kevincharm/sparse-merkle-tree
Optimised SMT implementation in Solidity & accompanying JS lib
cryptography ethereum evm merkle-tree solidity sparse-merkle-tree
Last synced: 16 Mar 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/mrdcvlsc/keyper-offline-password-manager
An android application where you can record the following account information: username, platform, passwords to an offline database.
aes aes-256 aes256 android android-application android-studio apk cryptography data-encryption data-security database decryption encryption information-security information-system java offline password-manager password-vault sqlite3
Last synced: 07 May 2026
https://github.com/rushi-12320/cryptable-app
Cryptography app which can encrypt and decrypt images and text both
Last synced: 06 May 2026
https://github.com/smayya337/libcodebusters
Encoding and decoding various ciphers in Python
cipher ciphers cryptography python
Last synced: 12 Mar 2026
https://github.com/bdr-pro/blockchain_maker
this is your ultimate toolkit for building, validating, and managing a blockchain in Rust.
blockchain cryptocurrency cryptography rust
Last synced: 15 Mar 2025
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/xannythepleb/pycryptx
PyCryptX - an X25519 + Ed25519 + ChaCha20 + BLAKE2b based public key encryption program in Python. This is an unaudited hobby project!
blake2b chacha20 cryptography curve25519 ed25519 encryption-decryption hkdf public-key-cryptography python-encryption python3 x25519
Last synced: 07 Jun 2026
https://github.com/reklatsmasters/is-chacha20-poly1305-supported
Check whether a chacha20-poly1305 cipher is supported by NodeJS
aead chacha20 chacha20-poly1305 cipher crypto cryptography nodejs poly1305 rfc7539
Last synced: 03 May 2026
https://github.com/tulliolo/bip39
A Bip39 library, with a CLI and a collection of tools.
bip39 bitcoin cryptography entropy mnemonic python seed steganography wallet
Last synced: 29 Jun 2026
https://github.com/cicciog/cryptographyexample
Cryptography Primitives examples
asymmetric-encryption cryptography java java-cryptography java-security message-authentication-code modern-ciphers private-key-encryption public-key-encryption symmetric-encryption
Last synced: 24 Sep 2025
https://github.com/tychosoft/moderncli
C++17 header only library for common uses.
cpp cross-platform cryptography header-only lock-free logging-library multithreading serial socket-programming ssl string-manipulation sync
Last synced: 06 Jul 2025
https://github.com/damaged-organic/ravelcast
RavelCast allows to share text messages of any content, completely anonymous, without registration and any clues about users identity.
cryptography css3 html5 javascript php symfony2
Last synced: 17 Mar 2026
https://github.com/sohnryang/ecdsa-python
ECDSA implementation in Python (DO NOT USE IN PRODUCTION)
Last synced: 14 Jun 2025
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/timjp87/elixir_bls
Wrapper around the Herumi BLS 12-381 Elliptic Curve construction and signature aggregation scheme.
cryptography ecdsa-cryptography ecdsa-signature elixir elixir-lang signatures
Last synced: 30 May 2026
https://github.com/mayank-02/simplified-des
Implementation of a simplified version of the DES algorithm
cryptography data-encryption-standard educational python simplified-data-encryption-standard simplified-des
Last synced: 16 Mar 2025
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: 16 Mar 2025
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/adiwajshing/simplecrypto
All coding work done for Ashoka University CS-2362
aes cryptography curve elgamal sign-verification signing verification
Last synced: 28 Feb 2025
https://github.com/dag0310/otp-crypto
Pseudo one-time pad crypto library for plaintext data exchange.
crypto cryptography encryption key library one-time-pad otp perfect-secrecy random xor
Last synced: 18 Jan 2026
