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
- JSON Representation
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/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/talha-1010/des-algorithm
A symmetric-key algorithm for the encryption of digital data.
cpp cryptography datastructures des-algorithm encryption-decryption template-specialisations
Last synced: 18 Oct 2025
https://github.com/lucasbn/rsa
A simple implementation of RSA encryption
cryptography encryption python rsa
Last synced: 17 Mar 2025
https://github.com/unbekanntes-pferd/dco3-crypto
A Rust crate for cryptography in DRACOON - more info on DRACOON here: https://dracoon.com
cryptography dracoon openssl rust-crate rust-crypto rust-lang
Last synced: 02 Aug 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/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/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/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/amculin/php-vigenere-cipher
Simple implementation of Vigenere Cipher algorithm in PHP, also implement modification to support alpha-numeric characters
classical-cryptography cryptography php php82 php83 vigenere-cipher
Last synced: 07 Jun 2026
https://github.com/bitcoinluminary/bitcoinluminary
Official Bitcoin Luminary Repository
alt-coins bitcoin bitcoin-community bitcoin-fork bitcoin-luminary bitcoin-mining bitcoin-mining-pool bitcoin-wallet community cpu-mining crypto-moon crypto-mooning cryptocurrency cryptography cryptography-api gpu-mining mining-pool mining-software moon
Last synced: 23 Jan 2026
https://github.com/sayalisachin/medicrypt
This is a Hospital Communication System Using DNA Encryption and Image Steganography This project enables secure communication between two hospitals, Hospital A and Hospital B, by encrypting and hiding sensitive patient data within images using DNA encryption and Least Significant Bit (LSB) steganography techniques, powered by Socket.IO
cryptography dna dna-sequencing information informationsecurity lsb lsb-steganography manipal-institute-of-technology matplotlib pandas pillow security socket-io steganography streamlit websocket
Last synced: 13 Apr 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/mveytsman/cryptopals
Doing cryptopals in Elixir LiveBook
cryptography cryptopals-crypto-challenges elixir livebook
Last synced: 18 May 2026
https://github.com/miraclx/xstrip-auth
Cryptographically strong pseudorandom key generator based on the `XStrip Algorithm`
cipher cryptography encrypt pbkdf2withhmacsha512 pseudorandom
Last synced: 28 May 2026
https://github.com/iprs-dev/drand-rs
Drand client in Rust
cryptography drand random-number-generators
Last synced: 26 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/hussamsh/nova-cpp
C++ implementation of Nova
chaos chaotic-map cryptography dynamical-systems images maps
Last synced: 25 Apr 2025
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/syedzawwarahmed/encryption-algorithms
A collection of encryption algorithms implemented in Rust.
Last synced: 28 Feb 2025
https://github.com/pur3miish/antelope-ecc
A universal JavaScript ECC digital signature and key utility package for Antelope based blockchains
antelope antelopeio-blockchain blockchain-technology crypto cryptography javascript sign-transactions signature signature-generation signature-verification
Last synced: 10 Apr 2025
https://github.com/enjeck/cryptoalgovisualizer
Visualizations of various cryptography algorithms
algorithms cryptography visualization
Last synced: 24 Oct 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/cartory/encoderr-web
🔐 Crypto Final Project - Encoderr
cryptography decoding encoding javascript uagrm webpack
Last synced: 11 May 2026
https://github.com/outspace/vigdec
vigdec aka heartbreaker – tool that breaks Vigenère cipher without knowing the key.
breaker cryptography decryption decryptor substitution-cipher vigenere vigenere-cipher vigenere-cipher-algorithm vigenere-decoder
Last synced: 25 Oct 2025
https://github.com/justscott/listcrypt
Symmetric cryptographic algorithm built with python3
cryptography encryption python38 symmetric-cryptography symmetric-key-cryptography
Last synced: 21 Jun 2026
https://github.com/shubhattin/hash_cryptography_tool
A Simple Online Cryptography Tool
cryptography encrypt-decrypt hash picocss utf-8
Last synced: 17 Jan 2026
https://github.com/simplito/privmx-endpoint-swift
Swift wrapper for the native C++ library used by PrivMX to handle end-to-end encryption.
chat communication cryptography data-transfer decryption e2ee end-to-end-encryption files messaging privacy privacy-protection private privmx secure simplito storage swift thread zero-knowledge
Last synced: 18 Jun 2026
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/amul-thantharate/ciphersmith
A powerful and flexible command-line password generator that helps you create strong, secure passwords with ease.
Last synced: 23 Jul 2025
https://github.com/tuxxy/speck
A no_std implementation of NSA's lightweight blockcipher SPECK
cryptography encryption lightweight-cryptography rust rust-crypto security speck
Last synced: 24 Apr 2025
https://github.com/karasz/securelog
Forward-secure Go library for tamper-evident audit logs, implementing Ma–Tsudik’s dual-MAC private-verifiable scheme.
audit-logging compliance cryptography forward-security golang log-integrity secure-logging tamper-detection
Last synced: 26 Oct 2025
https://github.com/scotow/pac
Scripts made throughout the PAC courses (Lille University)
course cryptography lille university university-project
Last synced: 09 Jun 2026
https://github.com/jjordanoc/rsa-encryption
A simple implementation of RSA encryption for arbitrary strings
cryptography number-theory rsa-encryption
Last synced: 24 Jun 2026
https://github.com/ramidecodes/ramiro-blog
My personal blog.
cryptography descentralized-applications machine-learning zero-knowledge
Last synced: 05 May 2026
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/aleksandrhovhannisyan/serverless-cryptography-algorithms
Implementations of elementary cryptography algorithms using forms and 11ty Serverless.
11ty 11ty-serverless ciphers cryptography javascript netlify
Last synced: 25 Apr 2026
https://github.com/scorpi-on/richelieu-feistel-cipher
Web app that implements the Richelieu cipher and the Feistel network for encrypting text data. A project for studying frontend using a ready-made component kit. Lab work on Program and Data Security (Oct 2024, 7th semester of university).
cryptography daisyui feistel-network frontend lab-work richelieu-cipher tailwindcss university-project
Last synced: 28 Apr 2026
https://github.com/ellipticsecure/ehsm-java
Java integration library for the eHSM and MIRkey Hardware Security Modules
bip32 bitcoin cryptography ehsm hsm java pkcs11
Last synced: 28 Apr 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/catherinee24/my-own-cryptocurrency
My own cryptocurrency with python.
blockchain-technology cryptocurrency cryptography python sha256-hash
Last synced: 28 Apr 2026
https://github.com/diogoperei29/x.509-cert-verifier
A small project for loading and verifying X.509 certificate chains against a local trust store using the OpenSSL library.
c certificate certificates cmake cpp cpp17 cryptography icmp openssl python python3 raii scripting testing verification x509
Last synced: 07 May 2026
https://github.com/elliotwutingfeng/balloon-hashing
Balloon Hashing implemented in Ruby.
crypto cryptography hash kdf-algorithm key-derivation-function password ruby ruby-language
Last synced: 10 Jun 2026
https://github.com/ash-2k3/ooni-chainwatch
A python script to extract certificate chains from OONI web connectivity measurements and submit them to a Let's Encrypt Certificate Transparency (CT) log. This aids in monitoring and auditing the certificates used on the web, contributing to internet transparency efforts.
certificate-transparency cryptography python s3-buckets x509certificates
Last synced: 10 Jun 2026
https://github.com/eltneg/kryptograzig
Simple public key cryptography algorithms implemented in zig
cryptography encryption-decryption zig
Last synced: 05 Jun 2026
https://github.com/eduardoviega/segurancaweb
Back-End com NodeJS
cryptography handlebars javascript nodejs
Last synced: 08 May 2026
https://github.com/robinbraemer/caesar-crypto
Little Caesar cipher tool
algorithm caesar-cipher cipher cryptography
Last synced: 22 Apr 2026
https://github.com/dubniczky/cryptolab
A hands-on cryptography repository containing implementations of fundamental encryption, decryption, hashing, padding, and random number generation techniques.
cryptography encryption hashing padding python
Last synced: 10 Jun 2026
https://github.com/bowser-2077/keypy
Password Manager On Python.
base64 batch-script chatgpt-based cryptography json keypass-port keypy passwor password-manager python3 release security-tools tool txt
Last synced: 29 Apr 2026
https://github.com/hyperparticle/integrity-coded-database
Demonstrates and evaluates an Integrity Coded Database (ICDB) implementation
cryptography database icdb mysql
Last synced: 29 Apr 2026
https://github.com/ishan-surana/federanet
Federated Multimodal Cyberattack classification model on social media messages (utilizing blockchain and quantum key cryptography). Blockchain server at https://cyberattack-blockchain.onrender.com/. Model interaction link below.
bb84-protocol blockchain convolutional-neural-networks cryptography federated-learning flask html-css-js information-security machine-learning multimodality natural-language-processing proof-of-authority streamlit zero-knowledge-proof
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/lucianoscarpaci/atmega328p
🔒 Embedded Crypto Projects with Arduino board.
aes arduino arduino-projects atmega328p cryptography haskell nix
Last synced: 10 May 2026
https://github.com/fblupi/encryptator
A simple webapp to encrypt and decrypt messages
Last synced: 30 Apr 2026
https://github.com/avinash-ghadshi/cryptographyscripts
Each Script is written in Python and GO
cryptography go golang python2
Last synced: 30 Apr 2026
https://github.com/ellipticsecure/signer-example
This example demonstrates how to use a MIRkey or eHSM Hardware Security Module to sign a PDF file.
cryptography hsm java javafx pdf signing
Last synced: 27 Apr 2026
https://github.com/sourish-kanna/side-projects
These are my other side projects which are not that big for a dedicated repository
ascii cesar-cipher cesar-cypher cryptography encryption java python side-project
Last synced: 11 May 2026
https://github.com/afraz496/fypafraz
This repository comprises of a Post Quantum Cryptography implementation. This is a repository that includes all of the software developed for the Final Year Project of Afraz Arif Khan (CID 00963429) at Imperial College London.
c cryptography key-exchanges postquantum python
Last synced: 01 May 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/praveena2j/traitor-tracing-system-based-on-random-projections
A Code and Domain Independent Traitor Tracing System Based on Random Projections
cryptography image-processing random-projections security-vulnerability steganography tracing-applications traitor
Last synced: 07 Jun 2026
https://github.com/jabez007/arcanaeum
The unofficial repository for the Archons of the Spire (part of Last Hope LARP)
babylonjs cipher cipher-algorithms ciphers codemirror cryptography konva konvajs python skulpt vue vue-codemirror vue-konva vue-markdown vue-router vuejs vuejs2 vuetify
Last synced: 13 May 2026
https://github.com/netesf13d/crypto-stuff
Python implementation of some common cryptographic primitives
Last synced: 14 May 2026
https://github.com/pmielech/stm32-rectenna
Portable radio noise measurement system, based on an STM32f303re microcontroller.
cryptography randomness randomness-generation rectenna rng signal-processing stm32 stm32f303 wifi
Last synced: 08 Jun 2026
https://github.com/alvarogzp/poodle-challenge
Cryptographic challenge
challenge cryptography man-in-the-middle mitm poodle python ssl-handshake sslv3
Last synced: 13 Jun 2026
https://github.com/jacob-ian/deno_random_primes
Generate random prime numbers with Deno and the Miller-Rabin test.
Last synced: 02 May 2026
https://github.com/crissnamon/soldeea
Encryption algorithm based on system of linear diophantine equations resistant to quantum algorithms
algorithm cryptography decryption diophantine diophantine-equation diophantine-equations encryption encryption-algorithm equation java quantum-algorithms soldeea
Last synced: 02 May 2026
https://github.com/ayazkhan27/cyclic
Cyclic prime numbers and their generation of cyclic numbers that follow a wave function and superpositions, converted into an encryption algorithm.
aes cryptography encryption full-reptend-prime number-theory rsa
Last synced: 15 Jun 2026
https://github.com/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/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/skylinenando/php
Some functionality or tools to enhance using php
akaxmysqli array creating-txt-file cryptography date hash php random-code str-replace
Last synced: 02 May 2026
https://github.com/retr0kr0dy/ghostschat
Chat and file transfer securely, 🛡️ embrace anonymity, and unleash your inner cyber ninja! 🥷💻💾
aes annonymized chat coding cryptography development file-transfer python rsa secured-communication security
Last synced: 16 Jun 2026
https://github.com/netesf13d/py-ecc
Python implementation of elliptic curve cryptography
cryptanalysis cryptography elliptic-curve-cryptography
Last synced: 17 Jun 2026
https://github.com/james-honeybadger/zayfer_vault
Full-featured encryption/decryption suite — AES-256-GCM, ChaCha20-Poly1305, RSA, Ed25519, X25519, OpenPGP | Rust core + Python bindings | CLI, GUI (PySide6), Web (FastAPI)
aes-256-gcm chacha20-poly1305 cli cryptography decryption ed25519 encryption fastapi keystore openpgp pyo3 pyside6 python rsa rust
Last synced: 28 Apr 2026
https://github.com/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/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/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/moosesue/modular-inverses
Modular inverse discussion leading to single character RSA demo.
cryptography modular-inverse number-theory rsa rsa-algorithm rsa-cryptography rsa-decryption
Last synced: 23 Jun 2026
https://github.com/dabevlohn/wasm-rc-sesskey
Generates random 16 bytes, transforms it to CryptoKey Object, encrypts it for RSA-key issuer
cryptography e2ee keygen rocketchat rsa rust wasm webassembly
Last synced: 25 Apr 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/oxion7/rc4-rust
RC4 algorithm in rust
algorithm cipher cryptography stream-cipher
Last synced: 14 Jun 2026
https://github.com/odhithsen/hashvault
🔐"HashVault" is an all-in-one locally installed password manager that keeps users' passwords and other sensitive information and credentials safe for all at the convenience of a single master key.
cryptography java javafx password-manager
Last synced: 02 Jan 2026
https://github.com/symbolicsoft/jevil
A stateless few-time signature scheme with a sharp key-recovery cliff
cryptography few-time-signatures post-quantum-cryptography signature-scheme
Last synced: 03 Jun 2026
https://github.com/ddebin/ssh-agent-secrets
Encrypt and decrypt secrets using an SSH agent
cli cryptography encryption-decryption ssh ssh-agent ssh-key typescript
Last synced: 02 Apr 2026
https://github.com/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/nandanr06/full-stack-cryptocurrency
Cryptocurrency Tracker is a real-time app for monitoring cryptocurrency prices, market trends, and historical data. Powered by the CoinGecko API, Node.js, Express, and React, it allows users to view live market updates, explore trending coins, and analyze price histories with interactive charts—all in a responsive, user-friendly interface.
bitcoin cryptocurrency cryptography marketplace
Last synced: 17 Apr 2026
https://github.com/dalda-iitj/libr
A Moderated, Censorship-Resilient Digital Forum
cryptography distributed-hash-tables forum golang postgresql
Last synced: 18 Aug 2025
https://github.com/jonas089/badlands
Learning ZK proof systems and Key exchange cryptography.
Last synced: 10 Aug 2025
https://github.com/grittygrease/safe-encryption-skill
SAFE encryption skill for AI coding assistants
agent-skills claude-code copilot cryptography cursor encryption safe skill windsurf
Last synced: 04 Mar 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/humanjavaenterprises/nostr-nsec-seedphrase
The nostr-nsec-seedphrase repository offers a TypeScript library that converts Nostr nsec keys into mnemonic seed phrases, enhancing the readability and management of keys within Nostr applications. This approach mirrors Bitcoin's use of seed phrases, emphasizing the importance of secure storage and careful handling of these keys.
bitcoin cryptography decentralized-protocols digital-signatures key-management mnemonic-seed-phrases nostr public-key-infrastructure security
Last synced: 31 Aug 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/sharif-minhaz/one-time_pad_algo-otm
One Time Pad algorithm (OTP) is a symmetric key type algorithm which means that the key used to perform encryption and decryption is the same key
Last synced: 23 Jun 2025
https://github.com/embetrix/meta-satobox
Satobox is an open-source, Yocto-based, privacy-focused and secure bitcoin full node solution designed for embedded linux devices.
anonymity bitcoin cryptocurrency cryptography embedded linux raspberry-pi security toronionproxy yocto yocto-layer
Last synced: 01 Nov 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
backend blockchain blockchain-technology blockdag blockdagtestnet cryptocurrency cryptography dapp decentralized ethereum ethereum-blockchain ethersjs front-end-development primordial reactjs solidity vercel vercel-deployment webapp
Last synced: 09 Apr 2026
https://github.com/kmihajlo/cryptography
Encryption / decryption algorithm exercises
cryptography decryption encryption
Last synced: 03 Apr 2025
https://github.com/shgysk8zer0/phpcrypt
Provides a variety of cryptographic traits and classes to PHP
aes aes256 cryptography jscrypt php php-7 phpcrypt rsa spl-autoload traits
Last synced: 01 Apr 2026
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
