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: 2026-07-02 00:06:57 UTC
- JSON Representation
https://github.com/exploide/ulpcrypt
Implementation of the U-LP Cryptosystem
cryptography cryptography-library
Last synced: 06 Sep 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/henryhale/enigma
🔐 A basic simulation of the Enigma machine
cipher cryptography decryption encryption enigma enigma-machine enigma-simulator henryhale ts turing
Last synced: 19 Jul 2025
https://github.com/smayya337/libcodebusters
Encoding and decoding various ciphers in Python
cipher ciphers cryptography python
Last synced: 12 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/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/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/octocorvus/broccoli_salsa
Salsa20 stream cipher implementation in Rust.
Last synced: 16 Mar 2025
https://github.com/z1ph1us/milksad-mnemonic-generator
This tool generates BIP-39 mnemonic phrases derived from Unix timestamps, exploring the 'Milk Sad' vulnerability's implications (CVE-2023-39910)
bip39 bitcoin bitcoin-wallet blockchain bx cryptocurrency cryptography cve-2023-39910 entropy exploit milk-sad mnemonic-generator multi-language security-tool seed-phrase unix-timestamp vulnerability wallet-security
Last synced: 12 Mar 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/ardatetikbey/ruby-kriptografi-101
Ruby programlama dilinde şifreleme hakkında doküman
Last synced: 06 Jul 2025
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/sudhanplayz/ecdsa-node
Secure, centralized transfers with Elliptic Curve Signatures.
crypto cryptography ecdsa elliptic-curve-cryptography elliptic-curves security
Last synced: 29 Oct 2025
https://github.com/mohamed/pysss
A Python implementation of Shamir's secret sharing algorithm
computer-security cryptography
Last synced: 14 Jan 2026
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/guppster/languageneutralitybiowearablequantumsearcher
Utilities advanced cryptography to analyze biodegradable quantum mechanics inside an active-reactive cross-platform blockchain environment
blockchain cryptography quantum-computing reactive-programming wearable
Last synced: 01 Mar 2025
https://github.com/mdamt/erpiko
Mirror of H. Erpiko
c-plus-plus certificate cryptography digital-signature pkcs pki smime
Last synced: 04 Apr 2025
https://github.com/frederickjansen/subtle-sodium
An implementation of various SubtleCrypto functions using the same API as libsodium.js
cryptography libsodium subtlecrypto
Last synced: 17 Mar 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
https://github.com/forentfraps/acpkm-kuznechik-rust
Acpkm kuznechik implementation in RUST
acpkm cryptography kuznechik rust
Last synced: 05 Oct 2025
https://github.com/pedroalbanese/engine
🔒 Pure Go GOST Digital Signer/TLS/VKO
crypto cryptography ecdsa-cryptography encryption gost3410-2012 gost3411-2012 gost3412-2015 grasshopper kuznechik streebog tls tls-certificate
Last synced: 14 Jan 2026
https://github.com/sean9999/go-oracle
A package that provides basic high-level cryptographic functions using Curve25519
Last synced: 14 Jan 2026
https://github.com/elamani-drawing/huffmanrs
Huffmanrs est une bibliothèque Rust permettant d'encoder et de décoder du texte en utilisant le codage de Huffman.
compression crates-io cryptography encodage encoding huffman huffman-coding huffman-compression-algorithm rust rust-lang
Last synced: 07 Oct 2025
https://github.com/humanjavaenterprises/nostr-crypto-utils
The nostr-crypto-utils repository provides a suite of cryptographic tools tailored for the Nostr protocol, facilitating secure key management, event signing, and encryption functionalities for developers building Nostr applications.
cryptography data-encryption decentralized-protocols digital-signatures elliptic-curve-cryptography event-signing key-management nostr public-key-infrastructure secure-communication
Last synced: 21 Jan 2026
https://github.com/ahmed-naserelden/cryptographic-algorithms
The "Cryptographic Algorithms Implementation in C#" project is a comprehensive repository that provides implementations of various cryptographic algorithms, designed to enhance data security. Each algorithm is meticulously crafted in C# and thoroughly documented within the codebase, enabling easy understanding and usage.
cryptoanalysis cryptoanalysis-algorithms cryptography network-security security
Last synced: 07 Oct 2025
https://github.com/mrdecryptdecipher/pow-based-blockchain
A SIMPLE PROOF OF WORK BASED BLOCKCHAIN WHICH USES HASHING FEATURE TO HASH INPUT, IT ALSO HAS A GENESIS BLOCK AND OTHER NECESSARY FILES TO CREATE POW ALGORITHM
bitcoin blockchain blockchain-technology consensus-algorithm cryptography decentralized dlt proof-of-work
Last synced: 12 Mar 2026
https://github.com/bok1c4/pgpkeytypedetector
This includes RSA and ECC cryptographic algorithms
Last synced: 08 Oct 2025
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/thefish/gogost
Cypherpunks.ru gogost mirror
cryptography encryption-algorithms gost russian
Last synced: 14 Jan 2026
https://github.com/kn0sys/qfe
qualitative frame entanglement - an experimental protocol for quantum-secure communication
ai cryptography pqc quantum-cryptography
Last synced: 23 Feb 2026
https://github.com/yanpozka/cryptopals-crypto-challenges
My solutions in Go for http://cryptopals.com/
crypto cryptography cryptopals go golang matasano-crypto-challenges matasano-cryptopals-challenges
Last synced: 09 Oct 2025
https://github.com/lynkos/high-school-code
Archive containing my code for competitive programming problems during high school.
ap-computer-science ap-computer-science-a competitive-programming cryptography ctf ctf-solutions ctf-writeups eclipse gui java reverse-engineering
Last synced: 10 Oct 2025
https://github.com/minhngt62/cryptography-vigenere
A simulation for vigenere cipher and its attacking methods
cryptanalysis cryptography kasiski-examination python vigenere-cipher
Last synced: 10 Oct 2025
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/projects-developer/fake-news-detection-using-machine-learning-project
Live Fake news detection refers to the process of identifying and flagging false or misleading informion presented as news. Live Fake news detection using machine learning. Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials
blockchain btech-project computer-science-projects computerscienceprojects cryptography fakenewsdetection final-year-projects finalyearproject finalyearprojects iee-projects machinelearning major-project minor-project mtech-project webdevelopment
Last synced: 17 Feb 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/blester125/kasiski_examination
Kasiski Examination written to break a Vigenere Cipher for CS 1653 includes a C Red-Black tree impelmenatation
cryptography kasiski-examination red-black-tree
Last synced: 21 Jan 2026
https://github.com/uttambodara/Awesome-Hacking-Learning-Path
A comprehensive hacking learning path covering Pentesting, OSINT, Linux, Networking, Web Application Security, Cryptography, Exploitation, Reverse Engineering, Forensics, CVEs, and CTF challenges. Perfect for beginners and professionals to master ethical hacking, penetration testing, and cybersecurity step by step. 🚀
bug-bounty cryptography ctf cybersecurity-learning-path ethical-hacking hacking hackthebox linux metasploit networking osint penetration-testing privilege-escalation reverse-engineering tryhackme web-application-security
Last synced: 14 Apr 2026
https://github.com/symphonyprotocol/p2p
Decentralized P2P networking framework
cryptography golang network p2p
Last synced: 14 Jan 2026
https://github.com/onlyf0ur/pq-msg
Pure Rust abstractions for higher-level implementations of post-quantum cryptography in secure messaging protocols.
cryptography encryption key-exchange messaging nist-pqc post-quantum-cryptography
Last synced: 23 Feb 2026
https://github.com/fullscreen-triangle/mzekezeke
Zero-cost multi-dimensional environmental cryptography framework that transforms communication security from computational complexity to physics-based guarantees
cryptography encryption-algorithms encryption-decryption
Last synced: 12 Oct 2025
https://github.com/arachsys/ssh-x25519
Map ssh-ed25519 keys into x25519 keys
crypto cryptography ed25519 golang ssh x25519
Last synced: 14 Jan 2026
https://github.com/aead/sio
Go implementation of the Data At Rest Encryption (DARE) format.
Last synced: 14 Jan 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/alexfariakof/easycryptosalt
Biblioteca simples e eficiente para operações criptográficas em .NET. Usando o algoritmo SHA-256, juntamente com a capacidade de comparar hashes utilizando uma chave e um salt.
codeql cryptography cryptography-algorithms csharp dotnet dotnet-core gitactions-workflow githubpackages nuget-package reportgenerator salt sha256-crypt singleton-pattern sonarcloud xunit xunit-tests
Last synced: 21 Jan 2026
https://github.com/anubhav-narayan/pkns
Public Key Name System Framework for Key Exchange in Peer-To-Peer and centralised servers.
cryptography key-exchange peer-to-peer public-key-cryptography python-3 python3-framework web-service
Last synced: 19 Jan 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/Lemniscate-world/Noun
Build my own blockchain based on TOR protocol
anonimity blockchain cryptography proof-of-stake security tor
Last synced: 13 Oct 2025
https://github.com/salrashid123/tpmrand
TPM backed crypto/rand Reader
cryptography golang random-generation random-number-generators trusted-platform-module
Last synced: 13 Oct 2025
https://github.com/chainsafe/vdf-js
cryptography javascript verifiable-delay-functions
Last synced: 13 Oct 2025
https://github.com/chainsafe/pairings-js
Elliptic Curve Pairings in Pure Javascript
cryptography elliptic-curves javascript pairings
Last synced: 13 Oct 2025
https://github.com/crane-valley/kylix
A post-quantum cryptography library implementing NIST FIPS standards in pure Rust.
cryptography dilithium fips-203 fips-204 fips-205 kyber lattice-cryptography ml-dsa ml-kem no-std post-quantum pqc rust security slh-dsa
Last synced: 28 Jan 2026
https://github.com/bwesterb/go-exptable
Speed up modular exponentiation of Go's big.Int's using precomputed tables
cryptography go golang modular-exponentiation precomputed-table
Last synced: 17 Oct 2025
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/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/jalaj711/gocrypto
Cryptography module for golang with support for DES, 3DES, and AES in ECB, CBC, CFB and OFB modes. Also supports SHA512 hashing algortihm.
aes block-cipher cryptography des tripledes
Last synced: 19 Oct 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/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/rohith-2/cryptographic_blockchain
Simulating Blockchain with mining and peer verification
blockchain cryptography mining sha-256
Last synced: 23 Jan 2026
https://github.com/projects-developer/steganography-project
Steganography is the practice of hiding secret information within a non-secret message, image, or other medium. Steganography Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials
btechprojects computerscienceprojects cryptography cybersecurity dataencryption datahiding digitalforensics informationsecurity mtechprojects secretcommunication steganalysis steganography steganography-project
Last synced: 06 Feb 2026
https://github.com/enjeck/cryptoalgovisualizer
Visualizations of various cryptography algorithms
algorithms cryptography visualization
Last synced: 24 Oct 2025
https://github.com/microchip-pic-avr-examples/dspic33a-crypto-accelerator-module
These MPLAB® X IDE demo projects showcase applications built with the Crypto Library which leverages the pre-compiled Crypto Accelerator Module (CAM) Hardware Driver to demonstrate various cryptographic algorithms supported by the CAM
aes cam cryptographic-accelerator-module cryptographic-standard cryptography ecdh ecdsa hash trng
Last synced: 23 Jan 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/blakeziegler/ozone-blockchain
IPFS compatiable blockchain using Akka actors and Akka clusters.
akka akka-actors blockchain cmake cpp crypto cryptocurrency cryptography encryption ipfs ipfs-api ipfs-blockchain openssl sbt scala sha256
Last synced: 23 Jan 2026
https://github.com/iboudhaine/rsa-encryption-and-in-practice
Implementation and exploration of RSA encryption, including its security properties, practical applications, and real-world use cases. A class project to learn and experiment with cryptographic principles
cryptographic-algorithms cryptography cryptography-project encryption python rsa secure-communication security
Last synced: 25 Oct 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/ul-mds/pprl
Collection of software packages for performing privacy-preserving record linkage based on Bloom filters
cryptography privacy python record-linkage
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/phayes/decryptpem
Decrypts encrypted PEM files and blocks. Provides (optional) TTY prompt for input for password.
crypto cryptography decrypt dek golang password pem
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/arkorty/rustcm-cli
UTF-8 Text Cipher using XChaCha20-Poly1305
chacha20-poly1305 cli cryptography rust
Last synced: 24 Jan 2026
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/hassan-shahbazi/vismasign
Swift library for Linux and macOS
cryptography linux macos security swift swift-4 swift-package-manager swift5
Last synced: 16 Mar 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/dualeai/hpke-http
End-to-end encryption for HTTP APIs using RFC 9180 HPKE. Drop-in middleware for FastAPI, aiohttp, and httpx.
aiohttp chacha20 cryptography e2e encryption fastapi hpke http rfc9180 sse streaming x25519
Last synced: 06 Feb 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/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/haukex/arduino-ascon128
Ascon-128 and Utility Functions for Arduino
arduino arduino-uno-r3 arduino-uno-r4 ascon-128 atmega328p cryptography esp8266-arduino
Last synced: 15 Jun 2026
https://github.com/demining/japanese-version-of-bitcoin-blockchain-cryptanalysis
ビットコイン暗号解析ツール
attack bitcoin bitcoin-wallet btc cryptoanalysis cryptography privatekey secp256k1 vulnerability
Last synced: 09 Feb 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/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/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/parassalunke/stega-shield
Stega-Shield is a modern web application that lets you hide secret messages within images using steganography and encryption. Built with React and TailwindCSS, it provides a secure and user-friendly way to encode and decode hidden messages.
cryptography cybersecurity javascript react steganography tailwindcss vite
Last synced: 25 Feb 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/ashishgopalhattimare/stickynotesfx
A synchronised Sticky Note between desktop and android platform via Google FIrebase
android-application cryptography desktop-application firebase-database java-8 javafx synchronization ux-design
Last synced: 07 May 2026
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/netesf13d/py-ecc
Python implementation of elliptic curve cryptography
cryptanalysis cryptography elliptic-curve-cryptography
Last synced: 17 Jun 2026
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/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