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: 2026-07-01 00:06:48 UTC
- JSON Representation
https://github.com/isaac-defrain/cryptography
Crypto BIP (Book In Progress)
Last synced: 29 Jun 2025
https://github.com/mananpatel06/information-security-practicals
This is Cryptography And Security Practical.
caesar-cipher-algorithm ce348 crns cryptography cspit depstar diffie-hellman-algorithm digital-signature-algorithm hill-climbing-algorithm information-security onetimepad playfair-cipher practicals railfence-cipher rsa-algorithm security
Last synced: 13 Jun 2026
https://github.com/h0llyw00dzz/ocsp-fiber
This PKIX OCSP Fiber Framework
advanced cryptography go idiomatic-go restful-api security
Last synced: 29 May 2026
https://github.com/harens/kintercrypt
An easy-to-use encryption program, built from the ground up for educational purposes only
cryptography tkinter xor-cipher
Last synced: 13 Jun 2025
https://github.com/kagal-dev/taistamp
Signed TAI64N timestamps over HTTP — Ed25519 over WebCrypto
cloudflare-workers cryptography dkim ed25519 eddsa monorepo signing tai64n timestamps typescript webcrypto
Last synced: 29 May 2026
https://github.com/paulchen2713/aes
COM 5335 Network Security Assignment #2 - Advanced Encryption Standard (AES)
aes cryptography encryption matlab nthuee
Last synced: 16 Mar 2025
https://github.com/raffadndm/qbot
Telegram bot in Python
barcode-scanner cryptography python qrcode
Last synced: 05 Sep 2025
https://github.com/ratware-official/ratcore.signing
Provides signing and verification of files using ECDSA P-256, secure key encryption, and trusted key validation.
cryptography csharp dotnet library signing
Last synced: 09 May 2026
https://github.com/panagiotiskotsorgios/enigma-machine-simulator
A C-based simulation of the Enigma machine encryption process
c cryptography encryption encryption-algorithms encryption-decryption enigma enigma-machine enigma-simulator history
Last synced: 04 Jul 2025
https://github.com/albertotirla/cryptolibrary
this implements a collection of standard, classical encryption algorythms such as the caesar cifer, rot13 and monoalphabetical substitution
Last synced: 03 Apr 2025
https://github.com/mpankajarun/file-encryption-and-decryption
This app is an experiment that will allow people to choose files from their computers and encrypt them client-side with a pass phrase.
cryptography cryptojs javascript
Last synced: 04 May 2026
https://github.com/thesreale/crypto-factory-cf-eth-checker-drainer-balance-mnemonic
Ethereum wallets use cryptography and BIP39 standards to generate secure keypairs, mnemonics, and seed phrases. Hardware and cold wallets ensure safe storage, while balance checkers track funds on the blockchain.
balance balance-checker bip39 bitecoin blockchain cold-wallet crypto crypto-wallet cryptography ethereum hardware-wallet keypair mnemonic mnemonic-phrase seed seed-phrase wallet wallet-checker
Last synced: 09 Apr 2025
https://github.com/ivanstambuk/openauth-sim
Authentication protocol simulator in Java 17 covering OATH HOTP/TOTP/OCRA, FIDO2/WebAuthn, EMV/CAP, and EUDI wallet/OpenID4VP
authentication cap cryptography emv eudi-wallet fido2 java oath ocra otp simulator webauthn
Last synced: 14 Jan 2026
https://github.com/fandigunawan/mtls-pkcs11
MTLS using PKCS#11
cryptography mtls mtls-request pkcs11 smart-card
Last synced: 04 Jul 2025
https://github.com/jvz/musigma.blog
A blog about programming.
blog cryptography functional-programming java programming reactive scala security shell
Last synced: 08 Jan 2026
https://github.com/hrvadl/security
Security (cryptography) labs
cipher cryptography encryption encryption-decryption golang rsa security signature
Last synced: 25 Mar 2025
https://gitlab.com/asn42/challenge_website_2017
ASN CTF website https://wargame2017.sansnom.org/
42 42born2code 42school Crackme asn association born2code challenge cryptography ctf hacker nuitduhack security sql steganography wargame
Last synced: 11 Mar 2025
https://github.com/cedi/cryptopals
http://cryptopals.com
challenge cryptography cryptopals
Last synced: 09 Apr 2025
https://github.com/akornatskyy/wheezy.security
A lightweight security/cryptography library
cryptography python security wheezy
Last synced: 28 Apr 2025
https://github.com/abhayagiri/raho
Python module for simple symmetric encryption built on cryptography
cryptography fernet python python2 python3
Last synced: 25 Mar 2025
https://github.com/francislauriano/chatsoftex
Plataforma desenvolvida em Python que visa automatizar e agilizar o processo de avaliação de projetos de inovação tecnológica, utilizando inteligência artificial e critérios padronizados com base na Lei do Bem.
cryptography fernet firebase flask flask-jwt-extended hugging-face-transformers numpy openai pdfplumber postgresql pyjwt pymupdf-fitz pypdf2 python pytorch scikit-learn scipy spacy sqlalchemy tensorflow
Last synced: 03 Apr 2026
https://github.com/future-rafay/data-encryption-app-python_streamlit
🔐 SecureVault is a Python-based project designed to provide robust encryption and decryption functionalities.
cryptography fernet-encryption hashing-passwords python
Last synced: 18 Jun 2025
https://github.com/alexyer/xxxdh-js
WASM wrapper around xxxdh library implementing Extended Triple Diffie-Hellman key exchange.
cryptography diffie-hellman key-exchange-protocol
Last synced: 17 Jan 2026
https://github.com/rushikeshghuge-19/blockchain_django
A secure Blockchain-Based Voting System built with Django. It records votes on a custom blockchain for transparency and integrity, featuring user authentication, candidate management, and real-time vote tallying. The backend uses Django, with SQLite for data storage.
blockchain cryptography django proof-of-work python sha-256 sqlite voting-system webdevelopment
Last synced: 10 May 2026
https://github.com/kunalpisolkar24/is_lab
Collection of practical codes for Savitribai Phule Pune University's Information Security Laboratory (310258) .
aes-encryption computer-science cryptography cybersecurity des-algorithm diffie-hellman-algorithm information-security java-cryptography md5-hash rsa-algorithm security-lab sppu-computer-engineering
Last synced: 04 Jul 2025
https://github.com/berkekaragoz/caesars-cipher
A library that provides a simple interface to the ceasers cipher for browser and node.js.
caesar-cipher cryptography mocha typescript typescript-library
Last synced: 10 May 2026
https://github.com/maksmez/ids_update_vkr
Проект разработанный для автоматического обновления баз правил системы VipNet IDS.
cryptography logging python selenium smtplib sqlalchemy sqlite yattag
Last synced: 10 May 2026
https://github.com/smartibase/smart-transformers
Smart Transformers are a versatile machine learning tool that can be integrated with Pytorch, TensorFlow, and JAX. Smart transformers provide accurate computations required for cryptographic algorithms. These transformers is that they are independent modules, making it efficient to experiment with various research projects related to cryptanalysis
algorithms crypto cryptocurrency cryptography deep-learning jax machine-learning pytorch tensorflow transformer
Last synced: 28 Feb 2025
https://github.com/ikechukwu-peter/cryptography
A project to demonstrate cryptography
cryptography ejs express expressjs nodejs typescript
Last synced: 12 Apr 2026
https://github.com/diegodromer/guardara
Guardara – Seu cofre digital inteligente. De senhas “fortinhas” a criptografia de dar inveja a espião da CIA. 🔐
cloud-security cryptography dart encryption firebase flutter hive mobile mobile-app mvvm open-source password-generator password-manager secure-storage tfa two-factor-authentication
Last synced: 01 May 2026
https://github.com/super-e/slip39dotnet
Complete .NET implementation of SLIP-0039 Shamir's Secret Sharing with BIP32 support
bip32 bitcoin cryptocurrency cryptography csharp dotnet mnemonic secret-sharing shamir-secret-sharing slip-0039 vibe-coding
Last synced: 13 Apr 2026
https://github.com/duguorong009/md6-impl
MD6 hash implemented in Rustlang
cryptography hash md6 rust-lang
Last synced: 25 May 2026
https://github.com/viveksahu26/cobra_cli
chit-chat: send encrypt and decrypt messages in your style
Last synced: 04 Jul 2025
https://github.com/mberry/makwa-sharp
C# implementation of the Makwa password hashing algorithm
cryptography hashing passwords
Last synced: 25 Mar 2025
https://github.com/mvharsh/information-security
A comprehensive collection of cryptography and cybersecurity algorithms including encryption, hashing, and common attack techniques.
cryptography cybersecurity encryption-algorithms ethical-hacking information-security network-security
Last synced: 14 Jun 2025
https://github.com/typicalhog/randevu-ts
Universal Probabilistic Daily Reminder Coordination System for Anything
algorithms blake3 coordination cryptography daily datetime deterministic foss hash offline probability randevu random rdv rdvt reminders rendezvous ts typescript universal
Last synced: 19 Feb 2026
https://github.com/makarov-danil-school-projects-ctu/cryptography-sha-512
algorithms cpp cryptography hash-functions openssl
Last synced: 17 Mar 2025
https://github.com/leotot4/zyra-crypto-wallet-mnemonic-seed-phrase-balance-checker
This repository features Zyra, a crypto wallet tool that includes functionality for checking balances using mnemonic seed phrases. It allows you to securely manage and verify cryptocurrency balances associated with various wallets.
balance balance-checker bip39 bitecoin blockchain crypto crypto-wallet cryptography ethereum hardware-wallet mnemonic mnemonic-phrase seed wallet
Last synced: 25 Mar 2025
https://github.com/alex-snd/vigener
🔓 The project is intended for convenient key recovery from the ciphertext obtained using the Vigenère cipher.
Last synced: 29 May 2026
https://github.com/maemresen/encrypted-data-sender
An example project that simulates, sending and receiving encrypted data between two end-point.
cryptography encryption java security
Last synced: 10 May 2026
https://github.com/5obhan/cs01-image-steganography
Hiding Information Inside an Image using AES-CBC Encryption & Least-Significant-Bit Steganography
aes aes-256 aes-cbc aes-cbc-256 aes-cbc-encryption aes-encryption cryptography cyber-security cybersecurity encrypted-data encryption-decryption image-steganography least-significant-bit lsb-bit-manipulation lsb-steganography steganography
Last synced: 05 Aug 2025
https://github.com/everyways/test-app-uniris
Uniris Angluar 11 init
angular blockchain cryptography transaction-chain uniris
Last synced: 10 May 2026
https://github.com/jhartyharr23/fors33-verifier
Cryptographic verifier for high-integrity data. Prove provenance and ensure immutable audit trails. Automate at fors33.com/products
audit-trail chain-of-custody compliance cryptographic-attestation cryptography cybersecurity cybersecurity-tools data-integrity data-lineage data-protection data-provenance digital-forensics evidence-management forensics immutable-ledger python security-tools sha256 tamper-evident zero-trust
Last synced: 01 Mar 2026
https://github.com/kevincharm/gfc-fpe
Generalised Feistel cipher for stateless shuffling
cryptography feistel fpe shuffle
Last synced: 07 Sep 2025
https://github.com/frostbyte012/cryptography-network-security-lab-assignment-nit-sikkim
This repo is all about the cryptography techniques that we use in our daily lives
cryptography encryption-algorithms encryption-decryption network-security python3
Last synced: 26 Jun 2025
https://github.com/enkore/zignify
Re-implementation of OpenBSD signify(1) in Zig (first code in Zig)
crypto cryptography signify zig
Last synced: 25 Mar 2025
https://github.com/3qnrpdwd/longinuspypi
It is a library created to study sessions, tokens, etc. under the https communication protocol. It is incomplete and insecure.
aes cryptography decryption encryption python3 rsa socket socket-io
Last synced: 11 May 2026
https://github.com/mauricelambert/customcrypto
This package implements tools to build your custom cipher
cipher cryptography encryption pypi-package python3
Last synced: 04 Jul 2025
https://github.com/rub-nds/ssh-client-signatures-artifacts
Artifacts for the paper "On the Security of SSH Client Signatures", accepted at the ACM Conference on Computer and Communications Security (CCS) 2025.
cryptography cve-2024-31497 github gitlab launchpad measurement public-keys ssh ssh-client
Last synced: 11 May 2026
https://github.com/aniketc068/atick-python
Standalone Python library for PDF digital signatures — PAdES/CMS, USB tokens, Windows store, Indian eSign, timestamps, LTV and a green-tick appearance Adobe shows as valid. Zero dependencies.
adobe cades cryptography digital-signature esign ltv pades pdf pdf-signature pkcs11 python sign-pdf timestamp
Last synced: 16 Jun 2026
https://github.com/bmwant/ecc
Elliptic Curve Cryptography algorithms
calculus cryptanalysis cryptography
Last synced: 17 Mar 2025
https://github.com/vinicius-gabriel-p-leitao/python-rsa-cryptography
Desafio_CriptografiaRSAPython
cryptography estudos faculdade python rsa
Last synced: 04 Sep 2025
https://github.com/xm0onh/stateviz.dev
Interactive visualization playground for blockchain data structures. Learn how blockchains organize and store data through hands-on exploration and visual experimentation.
algorithms blockchain cryptography data-structures educational ethereum merkle-trie playground
Last synced: 12 Apr 2026
https://github.com/hashlag/genc
Command line file encryption tool in GoLang
Last synced: 12 Jul 2025
https://github.com/cturner8/secure-chat
cryptography encryption nextjs react supabase typescript
Last synced: 12 Jan 2026
https://github.com/goseind/kryptolearn
Krypto Learn - Grundlegende Konzepte der Kryptographie lernen und verstehen
cryptography expo javascript kryptografie react react-native
Last synced: 22 Feb 2026
https://github.com/pryority/merkle-next
WIP - I wanted to remake the example website from the Merkletree.js repo in Next.js
cryptography ethereum merkletreejs nextjs react tailwindcss
Last synced: 12 Apr 2026
https://github.com/inanepain/id-forge
A lightweight, versatile PHP library for generating and encoding unique identifiers. It supports base32, base58, base64, nanoid, snowflakeid, uuid, and ulid, providing fast, secure, and flexible solutions for ID generation and encoding in modern applications.
base32 base58 base64 cryptography encoding id-forge id-generation inanepain library nanoid php snowflakeid ulid unique-identifier uuid
Last synced: 14 Jan 2026
https://github.com/erhant/fftype
Finite-field arithmetic within the type system.
cryptography elliptic-curves finite-fields polynomials types typescript
Last synced: 05 Oct 2025
https://github.com/kharizzakaye/message-encoder-decoder
A Python program that encodes and decodes a message. Built with Tkinter and Python Base64.
base64 cryptography python3 tkinter
Last synced: 10 Mar 2025
https://github.com/keyweeusr/blake
BLAKE implementation as per RFC7693
blake blake2 cryptography cryptography-algorithms emacs lisp rfc7693
Last synced: 05 Oct 2025
https://github.com/yaon-c2h8n2/krypton
Projet réalisé dans le cadre de l'UE Codages & Cryptographie en M1 à l'Université de Bourgogne
cryptography data-compression-algorithms data-encoding
Last synced: 05 Oct 2025
https://github.com/pereirar3/cryptography-cipher
Simple and complex encryption algorithms in c++ [objective: learning] - IN UPDATE
cipher-algorithm cpp cryptography
Last synced: 04 Sep 2025
https://github.com/jcbritobr/gocrypto-study
This study is based on Golang Cryptography for Depeloper book and its examples.
Last synced: 06 Oct 2025
https://github.com/pmarreck/blip_mp
BLIP-storage arbitrary-precision integers in pure Zig. Beats GMP at i64 (1.95-2.66×) and common cryptographic mul (1.12-1.46×) on Apple Silicon. 8240 GMP cross-validation tests pass.
arbitrary-precision-integers bignum blip cryptography ffi gmp multi-precision zig
Last synced: 31 May 2026
https://github.com/viral32111/scrambler
A program to hide & protect messages for enhanced privacy.
c cipher cryptography encryption
Last synced: 09 Apr 2025
https://github.com/ohimoiza1205/goldman-sachs-forage-swe-simulation
Crack passwords and suggest security improvements as a Governance Analyst at Goldman Sachs.
cryptography goldman-sachs hashcat password-cracking software-engineering
Last synced: 17 Jan 2026
https://github.com/egrace479/asymmetric-cloning-bb84
Continuation of QuForce Innovation Fellows Project to implement asymmetric cloning to eavesdrop on the BB84 protocol.
bb84 bb84-protocol cryptography ionq qkd qkd-protocol quantum-computing
Last synced: 18 Jan 2026
https://github.com/danielost/ecpoint-wrappers
Convenient wrappers for operations on elliptic curves in Golang.
cryptography ecc elliptic-curves
Last synced: 06 Oct 2025
https://github.com/ujangbedog/dpq-chat
A simple, secure peer-to-peer chat app built with Rust. Runs directly in the terminal with end-to-end encryption, post-quantum security (Kyber & Dilithium), and no central server.
chat cli cryptography p2p p2p-chat rust secure terminal terminal-app terminal-chat
Last synced: 06 Oct 2025
https://github.com/mtumilowicz/cryptography-rsa-workshop
asymmetric asymmetric-algorithm asymmetric-cryptography asymmetric-encryption asymmetric-keys asymmetry cryptogra cryptography rsa rsa-algorithm rsa-cryptography rsa-encryption rsa-vulnerability vulnerabilities workshop workshop-materials
Last synced: 10 Jun 2026
https://github.com/rdrahul123/books
Books must be read as deliberately and reservedly as they were written.
algorithms-and-data-structures blockchain books cryptography datastructures dbms machine-learning mongodb sql
Last synced: 12 Jun 2025
https://github.com/radriann21/passify
an password generator that allows to the user generate based on the options and copy the password
chakraui cryptography nextjs typescript zustand
Last synced: 12 Apr 2026
https://github.com/velascort/cryptography-practice
Practice in Python using cryptography
Last synced: 07 Oct 2025
https://github.com/vobst/ctf-nsa_backdoor
Solution of picoCTF 2022 NSA backdoor challenge.
backdoor cryptography ctf-writeups nsa picoctf
Last synced: 07 Oct 2025
https://github.com/transmute-industries/linked-data-signature-starter-kit
JSON-LD Signature Starter Kit
Last synced: 16 Jul 2025
https://github.com/hambosto/sweetbyte
A very small, very simple, yet very secure encryption tool.
aes-256 argon2id cryptography decryption encryption golang privacy-tools reed-solomon security security-tools xchacha20-poly1305
Last synced: 07 Oct 2025
https://github.com/samuel-lucas6/hkdf.net
A .NET implementation of HKDF, with support for SHA256, SHA384, and SHA512.
cryptography hash hkdf hmac hmac-sha256 hmac-sha384 hmac-sha512 kdf key-derivation key-derivation-function key-exchange key-exchange-protocol sha256 sha384 sha512
Last synced: 27 Mar 2025
https://github.com/uofsc-fall-2022-math-587-001/homework5
Diffie-Hellman key exchange and ElGamal cryptosystem. Plus Shanks' algorithm for solving the discrete logarithm problem.
cryptography discrete-logarithm go latex math
Last synced: 12 May 2026
https://github.com/mberry/bcrypter
Bcrypt in Rust.
bcrypt cryptography hashing passwords
Last synced: 08 Oct 2025
https://github.com/a-s-russo/eleventh-hour-mystery
Decipher the paragraph of ciphertext in 'The Eleventh Hour: A Curious Mystery' by Graeme Base at the end of the book using a Caesar cipher
Last synced: 29 May 2026
https://github.com/viveksyngh/merkletree
Merkle hash tree implementation in golang
cryptography golang merkle-proof merkle-tree
Last synced: 12 May 2026
https://github.com/soyart/gfc
stable branch of gfc, a small go file encryption utility using AES 256 and PBKDF2
aes crypto cryptography encryption rsa
Last synced: 14 Jan 2026
https://github.com/advaith7joshi/project-nexus
Simplified demonstration of blockchain workflow
blockchain blockchain-technology crypto cryptocurrency cryptography finance
Last synced: 12 Jun 2025
https://github.com/keyweeusr/elchacha
ChaCha20 implementation as per RFC7539
chacha20 cryptography cryptography-algorithms elisp emacs rfc7539
Last synced: 08 Oct 2025
https://github.com/ndpar/spring-crypto-demo
Examples of crypto operations in Kotlin and Spring
bouncycastle cryptography openssl spring
Last synced: 12 Mar 2026
https://github.com/ben854719/autonomous-health-monitoring-emergency-response
This app uses Bluetooth to link a worker’s smartphone with a supervisor’s laptop for live health monitoring. PySyft handles secure biometric authentication, while machine learning detects injuries and visualizes them on a dashboard. Agentic AI responds to critical events by triggering emergency protocols and contacting 911 with location data.
agentic-ai bluetooth cryptography cybersecurity error-handling gemini langgraph machine-learning-algorithms matplotlib mcpserver nltk numpy pysyft python pytorch socket tcp tenseal
Last synced: 28 Apr 2026
https://github.com/kzorin52/nistp256
Rust dylib wrapper to RustCrypto/elliptic-curves [only keypair]
crypto cryptography elliptic-curves keypairs nistp256 perfomance secp256r1
Last synced: 08 Oct 2025
https://github.com/mahfuzurrahman98/telechipher
This is a system developed as an assignment of a cyber-security course capable of transferring files through a secure communication channel with the support of encrypting data on the sender end and decryption on the receiver end.
aes-encryption chipher cryptography cybersecurity encryption-decryption pysftp rot13 sftp tkinter-gui
Last synced: 08 Oct 2025
https://github.com/pillardevelopment/go_chain
blockchain-network cpp cryptography golang google secp256k1 tendermint-consensus
Last synced: 14 Jan 2026
