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/vermillionpaws/genpasswd
Cryptographically secure password generator using libsodium
clang cryptography password-generator security-tools sodium
Last synced: 05 May 2025
https://github.com/affinidi/affinidi-zkp-crypto-rs
A Rust library provides circom ecosystem compatible BabyJubJub EdDSA sign/verify primitives and Poseidon hashing with exports, for mobile integrations
affinidi cryptography trust zkp
Last synced: 16 May 2026
https://github.com/sap/sprint
SPRINT is a scalable framework for differentially private (DP) fine-tuning and inference via multiparty computation (MPC) of transformer-based models. SPRINT is built on top of PyTorch, Opacus for DP fine-tuning and CrypTen for MPC inference.
cryptography differential-privacy fine-tuning multiparty-computation secure-inference transformers
Last synced: 16 May 2026
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: 27 Mar 2025
https://github.com/boneill02/zimmermanntel
zimmermann telegram cryptography
cryptography html html-css-javascript html5 javascript webpage
Last synced: 18 Mar 2025
https://github.com/t-bast/blue-avocado
A collection of cryptographic tools.
Last synced: 09 Sep 2025
https://github.com/bursasha/cpp-cryptography-projects
Cryptographic techniques using C++ and OpenSSL, covering encryption modes, hash functions, hybrid encryption, and various cryptographic concepts 🔐
assymetric-key-cryptography block-cipher cipher-algorithms cpp cryptoanalysis cryptography cryptography-algorithms encryption-decryption hash-functions hybrid-encryption openssl security
Last synced: 03 Apr 2025
https://github.com/ammmir/npki
A minimal public key infrastructure (PKI) library for Go
Last synced: 02 Aug 2025
https://github.com/rayniel95/subkey
This is a simple dockerfile for create a docker image with Substrate subkey tool.
blockchain cryptography docker subkey substrate
Last synced: 18 Aug 2025
https://github.com/arnaud-robin/aead-chacha20-poly1305
Implementation of AEAD_CHACHA20_POLY1305 in c++
aead chacha20-poly1305 cpp cryptography
Last synced: 10 Apr 2025
https://github.com/bahadylbekov/vaccinex-app
VaccineX genome data marketplace application
blockchain cryptography distributed-systems ethereum ipfs nucypher typescript
Last synced: 09 May 2026
https://github.com/fpoirotte/cryptal-mcrypt
An implementation of the Cryptography Abstraction Layer based on the legacy mcrypt PHP extension
cryptal crypto cryptography mcrypt php
Last synced: 03 Apr 2025
https://github.com/noomorph/p2p
Browser-based end-to-end encrypted message exchange using PGP, with no server storage
browser-based cryptography encryption end-to-end-encryption messaging openpgp pgp privacy security
Last synced: 25 Sep 2025
https://github.com/aka-nikko/desktop-activity-tracker
A Desktop activity tracker that logs all app usage and keystrokes.
cryptography openai python sqlite3
Last synced: 18 Apr 2026
https://github.com/fpoirotte/cryptal-openssl
An implementation of the Cryptography Abstraction Layer based on the OpenSSL PHP extension
cryptal crypto cryptography openssl php
Last synced: 03 Apr 2025
https://github.com/ayushshrivstava/iitgn_cs431
CS431 - Computer Network and Security.
cryptography memory-safety network-security web-security
Last synced: 08 Sep 2025
https://github.com/manasajayasri/image-steganography-with-stego-analysis
This repository hosts a Java-based image steganography tool designed to securely embed secret messages within digital images. The tool supports various image formats, including PNG, JPEG, and BMP, and employs multiple steganography techniques to maintain the integrity and confidentiality of the data.
awt cryptography digital-image-processing information-security java steganography
Last synced: 18 Mar 2025
https://github.com/nthnn/quickdigest5
QuickDigest5 is a lightweight C++ library for computing MD5 hashes of strings and files.
cpp-algorithms cpp-libraries cpp-library cryptography cryptography- md5 md5-hash
Last synced: 03 Apr 2025
https://github.com/tirthraj1605/website-security-grader
Website Security Grader is a Python-based tool to analyze the security of any website by checking SSL, TLS, headers, and other security practices. It assigns a security grade (A+ to D) based on industry-standard best practices.
cryptography httpclient python3 requests socket ssl
Last synced: 18 Mar 2025
https://github.com/riyamishra28/cryptotools
Created an Application for Information System Security (ISS) Lab, where we implemented the following algorithms: 1. Diffie Hellman-MIMT Attack 2. Miller-Rabin Primality Test 3. DES-Differential Cryptanalysis
android-application cryptography
Last synced: 15 May 2026
https://github.com/buanzo/openpgp-requests
A wrapper to the Python Requests module that implements some OpenPGP cryptographic features such as encryption. It allows developers to add a cryptographic layer to HTTP requests, particularly useful for building more secure APIs. See README.md for server-side stuff.
api cryptography data-security information-security openpgp python-requests python36 rest-client
Last synced: 11 Apr 2025
https://github.com/roshannaidu/blockchain-workshop
This repository contains the details of the Blockchain workshop covering a wide range of topics and hands-on experience with some of the most critical aspects of blockchain development like smart contracts, etc.
blockchain blockchain-technology contracts cryptocurrency cryptography daap decentralized ethereum metamask nft opensea smart-contracts solidity web3 workshop
Last synced: 28 Apr 2026
https://github.com/jgresham/mental-poker-ui
mental poker - texas holdem style. other repo mental-poker-contracts
commutative-encryption cryptography elgamal-encryption mental-poker poker texas-holdem-poker
Last synced: 14 May 2026
https://github.com/divinemonk/ancipher
Alpha Numeric Cipher, replaces similar words to numbers & gives a CyFi look.
alpha cipher cryptography hacking hacking-tool numeric pypi python python3
Last synced: 06 Apr 2026
https://github.com/maxgfr/playforgood
It is a cryptocurrency based on the fork of the litecoin
bitcoin bitcoin-forks btc cryptocurrencies cryptocurrency cryptography fork litecoin litecoin-fork ltc
Last synced: 16 May 2026
https://github.com/nucypher/passkeys-taco-poc
PoC implementing passkeys to TACo encryption authentication
cryptography encryption-decryption passkeys taco threshold-cryptography web3
Last synced: 07 Sep 2025
https://github.com/keogami/crypt
A simple utility to encrypt & decrypt files with AES-256 with passphrases
cli cryptography encryption-decryption go privacy tool
Last synced: 17 Jan 2026
https://github.com/bytemare/hash
Easy generic API for cryptographic hash functions in Go.
blake2 cryptography go golang hash hashing security sha256 sha3
Last synced: 10 Apr 2025
https://github.com/azanul/fireship-io-crypto-rust
Rough follow of the video by fireship-io, 7 Cryptography Concepts EVERY Developer Should Know (https://www.youtube.com/watch?v=NuyzuNBFWxQ)
argon2 asymmetric cryptography encryption-decryption hashing hmac rust salting sha256 signature signing symmetric
Last synced: 02 Aug 2025
https://gitlab.com/tychosoft/moderncli
C++17 header only library for common cross-platform networking, sockets, ssl, threading, new language features, crypto, and serial i/o support.
C++ cpp17 cross-platform cryptography header-only lock-free multithreading serial sockets ssl
Last synced: 09 Apr 2026
https://github.com/bebofekry/cryptography
Ctyptography basic algorithms implementation for Encryption, Decryption, and Attack (Additive Cipher, Multiplicative Cipher, Affine Cipher, Vigenere Cipher, RSA, SDES)
brute-force cryptography cyber-security data-security datasecurity decryption encryption python security
Last synced: 02 Aug 2025
https://github.com/rstacks/wanictf2024-writeup
Writeups for the challenges I attempted at WaniCTF 2024.
cryptography ctf ctf-challenges ctf-solutions ctf-writeups forensics reverse-engineering web-exploitation
Last synced: 13 Mar 2025
https://github.com/rstacks/n00bzctf2024-writeup
Writeups for the challenges I attempted at n00bzCTF 2024.
cryptography ctf ctf-writeups forensics osint programming reverse-engineering web-exploitation
Last synced: 13 Mar 2025
https://github.com/shaina-gh/md5-mac
A Java-based tool to generate secure Message Authentication Codes (MACs) using HMAC-MD5 for verifying data integrity and authenticity. Features MD5 hashing, RFC 2104-compliant key adjustment, and inner/outer hash computation with ipad/opad. Ideal for learning cryptographic integrity checks, with sample key-message inputs and hex-encoded output.
Last synced: 15 May 2026
https://github.com/isaaczhang4/rsa-cryptography
Python implementation of the RSA Cryptography Algorithm
cryptography number-theory python rsa-cryptography
Last synced: 02 Aug 2025
https://github.com/vitor0p9f/ruby-caesar-cipher
This repository was created with the aim of studying the functioning and implementation of the Cesar cipher. Project suggested by The Odin Project platform.
cryptography docker regex rspec ruby tdd
Last synced: 26 Sep 2025
https://github.com/filiprokita/hashtool
A simple command-line tool for calculating the MD5, SHA-1, and SHA-256 hash values of a text or a file, written in Python.
algor command-line-tool cryptography encrypt encryption encryption-algorithms file-hashing hack hashing hashlib md5 python python3 securirty sha sha1 sha256 text-hashing
Last synced: 02 Aug 2025
https://github.com/RedInfinityPro/ScientificSharp
Rating: (5/10) The code is a Windows Forms application for a basic scientific calculator, allowing users to perform mathematical operations like addition, subtraction, multiplication, division, trigonometrics, and logarithms.
componentmodel cryptography data drawing forms generic linq system tasks text
Last synced: 30 Sep 2025
https://github.com/luckyone-cc/stardelegateminer
The Star Delegate Miner is a wrapper to simplify the crypto-mining process in combination with pooling.
cryptocurrency cryptography csharp mining mining-pool mining-software
Last synced: 17 Mar 2025
https://github.com/luckyone-cc/merkletree
Merkle Tree Algorithm
crypto cryptocurrency cryptography merkle-proof merkle-root merkle-tree merkletree
Last synced: 17 Mar 2025
https://github.com/fynydd/fynydd.enigma
An Enigma Machine emulator that enciphers text strings and which can be used for modern quantum-resistant encryption in mobile, desktop, and server apps (Windows, macOS, Linux, .NET 9.0, x64, Arm64, Apple Silicon).
cipher crypto cryptography dotnet encryption enigma enigma-machine keyless keyless-cipher machine ww2
Last synced: 21 Apr 2026
https://github.com/typicalhog/randevu-py
Universal Probabilistic Daily Reminder Coordination System for Anything
algorithms blake3 coordination cryptography daily datetime deterministic foss hash offline probability py python randevu random rdv rdvt reminders rendezvous universal
Last synced: 19 Feb 2026
https://github.com/rakibhossain72/XORpass
XORpass is a Flask-based password manager application with MongoDB integration. It allows users to securely store their passwords in a MongoDB database, with encryption applied using their own master password. This ensures that the stored passwords are protected and can only be accessed by the owner.
cryptography encrypted-store flask password-manager
Last synced: 27 Sep 2025
https://github.com/michaelgiuliano/s3-crypt-vault
A secure client-side encrypted storage system for AWS S3.
aws cli cloud-security cryptography cybersecurity devops encryption python s3
Last synced: 06 Apr 2026
https://github.com/ymcx/skibidifier
Encrypts your strings to form a funny-looking wall of text consisting of the words 'skibidi' and 'toilet'. Based on TEA (Tiny Encryption Algorithm)
cli command-line command-line-tool crypto cryptography encryption rust
Last synced: 14 Oct 2025
https://github.com/ne0n0us/pre-chat
Proxy re-encryption tool mimicing a messenger.
cryptography html javascript messenger proxy-re-encryption quasar quasar-framework scss vite vue vue3 vuejs wasm
Last synced: 09 Apr 2026
https://github.com/lukewait/midtown-app
Educational GUI tool developed as part of a TAFE QLD assignment, providing interactive access to three algorithmic solutions: Rock Paper Scissors, Multiplication Table, and Caesar Cipher. Ideal for IT training and understanding basic programming concepts within a structured application.
cryptography education games gui learning-tools python training
Last synced: 18 Mar 2025
https://github.com/audrastump/block-cipher
Simple block cipher implementation using symmetric key and an initialization vector (IV).
cryptography cybersecurity encryption-decryption
Last synced: 14 May 2026
https://github.com/saikrishnareddy1919/blockchain-resources
Resources to learn Blockchain | web3 stuff. Will continue adding more resources to this. Star and watch this repo.
blockchain blockchain-technology crypto cryptocurrency cryptography decentralized decentralized-applications ethereum ethereum-blockchain nft nfts resources smart-contracts solidity web3 whitepaper whitepapers
Last synced: 15 May 2026
https://github.com/nim579/cry
cipher crypto cryptography encryption sign verify
Last synced: 27 Mar 2025
https://github.com/onlyf0ur/openssl-mojo
Indirect OpenSSL bindings for Mojo
bindings c cryptography mojo openssl
Last synced: 17 Mar 2025
https://github.com/nexys-system/crypto
Simple crypto helpers for Node
cryptography node package typescript
Last synced: 18 May 2026
https://github.com/servierhub/certwatch
Watch the certificates expiration dates for a list of hostname:hostport
certificate certificates cryptography domain expiration expiry security security-automation security-scanner security-tools tls tls-certificate x509 x509-parser x509certificates
Last synced: 28 Sep 2025
https://github.com/jsf0/aspis
command line encryption filter using NaCL
argon2 command-line cryptography encryption filter libsodium pipe ruby
Last synced: 17 Mar 2025
https://github.com/jieunhan17/cryptographicsecurityprotocol
A team project from the Corporate Computer Security class in 2019
Last synced: 21 Apr 2026
https://github.com/shyamsunder149/ctf-notes
CTF Notes made for my references for Solving CTFs
cryptography forensics notes python steganography
Last synced: 13 Jun 2026
https://github.com/swapnilraj/groupie-wellman
cryptography diffie-hellman-algorithm key
Last synced: 10 Apr 2025
https://github.com/hostileninja72/encryption-tool
A tool used to encrypt using different algorithms.
aes chacha20 command-line-tool cryptography python rsa
Last synced: 02 Mar 2025
https://github.com/isgj/tinkey
A Go port of Tinkey, the command-line tool for Google's Tink cryptography library.
cli cryptography go google key-management security tink
Last synced: 30 Apr 2025
https://github.com/pjiwm/goodcoin
Simple blockchain implementation of a cryptocurrency written Python. CLI with miner and wallet functionality.
blockchain blockchain-technology cryptocurrency cryptography python
Last synced: 13 Jun 2026
https://github.com/zizisk-100bz/cryptoguardian
Cryptoguardian is a secure wallet application designed to protect your digital assets. It uses advanced encryption methods to ensure that your cryptocurrencies remain safe from unauthorized access.
bitcoin crypto crypto-tools crypto-wallet cryptography github-config matplotlib nodejs pandas seaborn sha256-hash streamlit visualization walletkeytool
Last synced: 01 May 2026
https://github.com/salatad/salatanote
A private untraceable alpha Cryptocurrency that's built on the CryptoNote Cryptocurrency codebase and implemented the CryptoNote protocol.
bytecoin crypto cryptocurrency cryptography cryptonote miner mining monero privacy private wallet
Last synced: 29 Sep 2025
https://github.com/simonbrandner/crypto-intro-slides
Slides for a presentation I gave to some of my friends to introduce them to cryptography
Last synced: 16 Feb 2026
https://github.com/dssgabriel/present24-attack
Blazing fast MITM attack on a 24 bits implementation of the PRESENT block cipher algorithm.
blockcipher c cryptography maninthemiddleattack maqao optimization
Last synced: 20 Jan 2026
https://github.com/zenium-community/zenium
Zenium integration/staging tree
altcoin anonymous-transactions bitcoin blockchain blockchainprivacy blockchaintechnology bulletproofs c-plus-plus cryptocommunity cryptocurrency cryptography p2p privacycoin zkp zkpcrypto zkproof zksnarks
Last synced: 29 Sep 2025
https://github.com/arvid-berndtsson/typesecure
A focused TypeScript cryptography package that provides secure encryption and hashing utilities with strong typing and runtime validation using Zod.
cryptography cybersecurity encryption hashing password security typesafe typescript zod
Last synced: 19 Feb 2026
https://github.com/YeDawa/Enigmify
This project is a simple implementation of the Enigma machine in Rust. It allows users to input a message, configure the rotor and reflector settings, and encrypt or decrypt the message.
cli cryptography enigma-machine rust security
Last synced: 29 Sep 2025
https://github.com/rikurauhala/bsc-thesis
Bachelor's thesis in computer science
bibtex brute-force bsc bsc-thesis computer-science cryptography cyber-security dictionary-attack finnish latex passwords rainbow-table tex thesis
Last synced: 29 Sep 2025
https://github.com/jimouris/ring-signatures
A Rust implementation of ring signatures using Ristretto.
crypto cryptocurrency cryptography monero ring ring-signature ring-signature-scheme ring-signatures
Last synced: 15 May 2026
https://github.com/arjav0703/anonytalk
A string Encryptor/Decryptor
crypto cryptography encryption encryption-decryption fernet fernet-algorithm fernet-cryptography fernet-encryption gui-application python python-3 python3 tkinter tkinter-gui tkinter-python
Last synced: 30 Sep 2025
https://github.com/zerdicorp/paed62_hashing_algorithm
A simple self-written version of the data hashing algorithm.
algorithm cryptography hash hashing-algorithm java paed62
Last synced: 02 Apr 2025
https://github.com/skygenesisenterprise/api-service
The Official Sky Genesis Enterprise API Service Ecosystem
api-service client cryptography data dns docker javascript nextjs service stalwart typescript websocket
Last synced: 31 Dec 2025
https://github.com/solomon-77/aes-file-crypto
This is a Python-based file encryption and decryption tool that utilizes AES for security.
aes aes-128 aes-encryption cryptography cryptography-project cryptography-tools encryption encryption-decryption python3
Last synced: 04 Sep 2025
https://github.com/carlosmakin/enigma-cli
A simple command-line interface for encrypting and decrypting data.
Last synced: 24 Aug 2025
https://github.com/projects-developer/cryptography-communication-system-project
This project aims to design and develop a secure communication system using cryptographic techniques, ensuring confidentiality, integrity, and authenticity of transmitted data. Cryptography Communication Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials
btechprojects computer-science-project computerscienceproject computerscienceprojects cryptography cybersecurity decryption digitalsignatures encryption final-year-project finalyearprojects integrity keyexchange mtechprojects networksecurity securecommunication secureprotocols
Last synced: 03 Feb 2026
https://github.com/isakruas/tcc-elliptic-curve-cryptography
Final files for the undergraduate thesis titled "Desvendando a Criptografia de Curvas Elípticas: Propriedades, Métodos e Implementação," completed at IFNMG - Campus Januária. This repository includes all necessary documents and presentation materials.
cryptography elliptic-curves final-thesis ifnmg latex mathematics monograph presentation
Last synced: 09 Nov 2025
https://github.com/cadeke/lets-go
lets-go is a simple CLI application written in Go for encrypting and decrypting files.
cli cryptography decryption encryption golang
Last synced: 05 Jun 2026
https://github.com/mlziade/keycrypt
A fun and challenging puzzle website. You can create puzzles for friends and other players to solve! Only then can they decrypt your message...
cryptography django game puzzle puzzle-game
Last synced: 15 May 2026
https://github.com/sadijr/pre-desafio-labsec
Pré desafio do Processo Seletivo PBAD/LabSEC 2019/1, necessário para as etapas subsequentes do mesmo.
aes-128 cryptography xor-cipher
Last synced: 29 Oct 2025
https://github.com/mikebrown0409/project-fuse
Zero-knowledge proof system for verifiable compliance envelopes. Proves compliance checkers executed correctly without revealing sensitive data. Built with RISC Zero zkVM. Phase 1 complete.
audit compliance cryptography gdpr privacy-preserving regulatory-compliance risc-zero rust soc2 zero-knowledge-proofs zkp zkvm
Last synced: 11 Jan 2026
https://github.com/PeaceFounder/TallyProofs.jl
Cryptographic core for E2E verifiable voting system with everlasting privacy and coercion resistance via post-cast isolation
Last synced: 06 Apr 2026
https://github.com/igorfonseca05/curso-ciberseguranca
Repositório dedicado aos estudos de cibersegurança, com práticas e conceitos essenciais. 🔐🛡️ Inclui scripts, anotações e experimentos sobre proteção de sistemas e redes. 💻⚡
cibersecurity cryptography hash igorfonseca05 security webdevelopment
Last synced: 17 Mar 2025
https://github.com/rkstudio585/en-de-cryptor
The Encryptor/Decryptor Tool is a Python application for securely encrypting and decrypting messages using a user-friendly interface, featuring key generation, message encryption, and decryption, all powered by the rich library and cryptography for security.
cryptography decryption encrypted-message encrypted-message-and-text encrypted-text encryption encryption-decryption pyfiglet rich terminal-app user-interface
Last synced: 29 Dec 2025
https://github.com/zerdicorp/paed62_online
Demonstration of the hashing algorithm online.
cryptography demo hashing-algorithm online paed62
Last synced: 02 Apr 2025
https://github.com/zahidayturan/advanced-encryption-standard-application
This app securely encrypts and decrypts your files by generating keys using the AES algorithm.
aes cryptography encryption firebase firestore flutter symetric-encryption
Last synced: 09 Apr 2026
https://github.com/shireee/gpu-file-encryption
library for encode/decode files on gpu using cryptographic algorithms
cpp cryptography gpu-computing
Last synced: 17 Mar 2025
https://github.com/tn3w/stem-rs
A complete Rust library for Tor control protocol — build privacy-focused applications with type-safe, async-first APIs
anonymity async control-protocol cryptography onion-routing privacy rust security socks-proxy stem tokio tor tor-controller
Last synced: 11 Jan 2026
https://github.com/daleksla/present
Implementations of the PRESENT algorithm for a Rasberry Pi PICO
c11 cmake cryptography rasberry-pi-pico
Last synced: 20 Jun 2025
https://github.com/samdney/library
library
algebra arxiv cryptography encryption iacr library math mathematics maths number-theory papers
Last synced: 11 Feb 2026
https://github.com/tankerhq/identity-ruby
Identity management in Ruby for the Tanker SDK
cryptography encryption privacy ruby sdk security tanker
Last synced: 09 Aug 2025
https://github.com/julyanvdw/cryptographic-chat-app
An encrypted chat application built with python. Implements wireguard security protocol
cryptography customtkinter decryption encryption gui python wireguard
Last synced: 20 May 2026
https://github.com/marshallovski/asnk-vas1
little cryptographic algorithm for en- and decrypting text
crypto crypto-tools cryptography decryption decryption-algorithm encrypt encryption encryption-algorithm encryption-algorithms encryption-decryption text
Last synced: 27 Mar 2025
https://github.com/sundarnagarajan/pymultikdf
Python wrappers for bcrypt, PBKDF2 (fastpbkdf2) scrypt (Tarsnap)
bcrypt cryptography fastpbkdf2 pbkdf2 python-wrapper scrypt wrapper
Last synced: 23 Aug 2025
https://github.com/eyes12/caesarjaw-cpp
CaesarJaw provides encryption and decryption functionalities using a simple shift cipher (Caesar cipher). It allows users to: ✅ Encrypt text 📝 ✅ Decrypt text 🔑 ✅ Determine the shift key 🔎 ✅ Attempt decryption without a known key 💡
caesar caesar-cipher caesar-cipher-algorithm communication cpp crypter cryptography cybersecurity decrypt decryption decryption-algorithm security shift-cipher tool
Last synced: 16 Jun 2025
