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/jasondrawdy/compendio

Collection of common and noteworthy extension methods, security tools, and filesystem functions generally found in most applications; focusing on extensibility and portability.

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Last synced: 18 May 2026

https://github.com/kareimgazer/des

Implementation of the Data Encryption Standard algorithm using C++

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Last synced: 29 Mar 2025

https://github.com/hubenchang0515/cryptography

Cryptography Hash Algorithm - 消息摘要算法库

cryptography md5 sha sha2

Last synced: 25 Jan 2026

https://github.com/theboringhumane/xyphos

🔐 Xyphos : Open Source Key Management System (KMS): A secure, multi-tenant key management system built in Go. An open-source alternative to Google Cloud KMS with enhanced features.

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Last synced: 17 Feb 2026

https://github.com/blackm0re/pyotp2289

A pure Python implementation of "A One-Time Password System" - RFC-2289

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Last synced: 21 Aug 2025

https://github.com/utarwyn/a51-cipher

Java implementation of the A5/1 Stream Cipher.

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Last synced: 04 Mar 2025

https://github.com/f3r10/programming_bitcoin

Rust implementation of the code developed in the book Programming Bitcoin by Jimmy Song.

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Last synced: 18 May 2026

https://github.com/jimmygizmo/zerotools

Applications, tools and modules written in best-practice Python, Java, Javascript, C and Perl for personal projects, enterprise projects or education.

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Last synced: 11 Apr 2026

https://github.com/maxpat78/cryptopad

A simple Notepad supporting ZIP AES-256 encrypted documents, coded in Python

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Last synced: 12 Apr 2025

https://github.com/scifer99/pki-engineering

PKI Engineering Repository for Secure Web Application Development

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Last synced: 02 Feb 2026

https://github.com/sap-samples/s4hana-crypto-assets-subledger

SAP S/4HANA add-on sample as a subledger for crypto assets accounting.

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Last synced: 13 Apr 2025

https://github.com/gianluca-mascolo/mylogin-cryptor

Encode/Decode mylogin.cnf

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Last synced: 10 May 2026

https://github.com/yaeby/cipher-decoder

Some ciphers implemented in a streamlit app.

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Last synced: 18 Feb 2026

https://github.com/mail4metablocks/cryptographic-protocols

zksnarks,zkstarks Cryptographic protocols implementation using Rust

cryptography privacy rust

Last synced: 14 Jan 2026

https://github.com/gusandrioli/small-aes

Simple text and PDF encrypter/hasher CLI application.

aes cryptography golang

Last synced: 15 Jan 2026

https://github.com/jcbritobr/sbox

SBOX is a cli application that implements the secretbox seal and open functions to encrypt documents.

cryptography symmetric-encryption tool

Last synced: 06 Apr 2025

https://github.com/guilhermeisnotunix/grifforix

Grifforix aims to be a strong and secure password generator made in Java, it uses the Java's *java.security.SecureRandom* library. I have plans to make it also a secure authenticator software in the future. Grifforix is currently experimental in v.0.9.2-alpha.

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Last synced: 15 May 2026

https://github.com/gunh0/merkle-tree

🌲 Merkle Tree in Go

cryptography golang hash

Last synced: 07 Jul 2025

https://github.com/pacemakerx/cryptolab

Simple and beginner-friendly implementations of classic cryptographic algorithms like Playfair, Hill Cipher, DES, AES, RSA, DSA, MD5, SHA512 — using Python. Designed for easy understanding, minimal dependencies, and educational use.

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Last synced: 14 Apr 2025

https://github.com/usbokirishima/pwds

Lightweight GTK4 password manager encrypted with AES-256.

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Last synced: 16 Feb 2026

https://github.com/andreacrotti/cyphers

clojure clojurescript cryptography

Last synced: 27 Mar 2025

https://github.com/kfkrogr/electron-executer

Electron Executor is one of the most favorite Roblox Executors at the moment. Before I tell you how to download Electron Executor, let me tell you that it is currently available safely for Windows. But it is not officially available for Android users as of now but the update is coming and will be launched soon.

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Last synced: 05 Jan 2026

https://github.com/septem151/satokencore

Java Blockchain with no external dependencies based on Bitcoin.

cryptocurrency cryptography java

Last synced: 12 May 2025

https://github.com/tuanlh/classical-cipher

Giới thiệu một số loại mã hóa cổ điển và hiện thực bằng javascript

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Last synced: 08 Apr 2025

https://github.com/loneicewolf/cryptography

Encryption implemented in various languages. like AES and Serpent, more coming.

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Last synced: 08 Mar 2026

https://github.com/swift-libp2p/swift-libp2p-crypto

Core LibP2P cryptography API for commonly used Keys, Hashes and Ciphers

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Last synced: 22 Jul 2025

https://github.com/dyslex7c/zk-election

Cryptography-driven and privacy-preserving election framework with zk-SNARKs

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Last synced: 03 Feb 2026

https://github.com/instantwebp2p/nacl-cert

AIoT NACL Certification System

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Last synced: 08 Apr 2026

https://github.com/betarixm/cuecc

POSTECH: Heterogeneous Parallel Computing (Fall 2023)

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Last synced: 12 May 2025

https://github.com/benwoo1110/cryptography-gui

Simple visualisation for basic string cryptography algorithms

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Last synced: 31 Mar 2026

https://github.com/ntdls/ntdls.securekeyexchange

Easily generate a single or multi-round Diffie-Hellman key.

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Last synced: 14 Apr 2025

https://github.com/ahf/orbis

An Erlang library for building worker pools using consistent hashing.

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Last synced: 22 Mar 2025

https://github.com/davidbuchanan314/ml-kem-stuff

A toy implementation of ML-KEM, aka Kyber, based on the current FIPS 203 draft

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Last synced: 10 Nov 2025

https://github.com/citp/public-verification

Accountability mechanisms for the Apple PSI system described in Public Verification for Private Hash Matching.

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Last synced: 17 Mar 2025

https://github.com/samuel-lucas6/rocca-s.net

A .NET implementation of Rocca-S.

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Last synced: 27 Mar 2025

https://github.com/azmisahin/azmisahin-software-cryptography-steganography-net

Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.

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Last synced: 29 Mar 2025

https://github.com/xtrendence/native-encryption

My first mobile app developed using React Native. A simple app that allows the user to use AES-256 to encrypt/decrypt data.

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Last synced: 08 Apr 2026

https://github.com/alokmenghrajani/five_thousand_needles

Five thousand randomly placed needles

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Last synced: 20 Mar 2025

https://github.com/guilherme-marcello/steganos-bmp

Toolkit to cipher&hide a message in a bitmap image file and recover

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Last synced: 16 May 2026

https://github.com/substrate-system/simple-aes

The simplest way to use AES keys in the browser or Node.

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Last synced: 28 Sep 2025

https://github.com/noot/dleq-rs

cross-group discrete log equality proof

cryptography dleq zero-knowledge

Last synced: 03 Mar 2025

https://github.com/kehiy/go-secp256k1

a bitcoin libsecp256k1 binding for golang. [WIP]

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Last synced: 02 Mar 2025

https://github.com/odilitime/sniph

Snerx Sniph Cipher

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Last synced: 03 Aug 2025

https://github.com/Projects-Developer/Top-10-BCA-Final-Year-Projects

The top 10 BCA final year projects include e-commerce website development, online survey and feedback systems, web scraping and data mining. Top 10 BCA Projects .Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials.

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Last synced: 11 Sep 2025

https://github.com/simplito/linked-pm

A simple web application which encrypts your private messages (Java Script client-side encryption) and converts them into clickable links and QR-codes.

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Last synced: 04 Mar 2025

https://github.com/descent098/diffie-hellman

A very simple implementation and explanation of the Diffe-Helmen Key Exchange

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Last synced: 05 Apr 2025

https://github.com/mlh-fellowship/chamberofsecrets-backend

Sprint 2 Project for MLH Fellowship made by Aman Sharma, Suhani Chawla, Saumya Gandhi.

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Last synced: 01 Aug 2025

https://github.com/yrotak/d-1

D-1 is an open source symmetric encryption algorithm

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Last synced: 23 Feb 2025

https://github.com/aatxe/hacl-rs

Rusty bindings for HACL*, a formally verified cryptographic library written in F*.

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Last synced: 27 Mar 2025

https://github.com/priyanshujain/crypto

A simplified crypto module using go crypto library

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Last synced: 16 Jun 2025

https://github.com/cipherstash/enveloperb

Ruby bindings for the envelopers envelope-encryption library

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Last synced: 07 May 2025

https://github.com/alhonaut/zkp-grpc-server

Chaum-Pederson Zero-Knowledge Proof in Rust with gRPC and Docker

cryptography grpc rust

Last synced: 03 May 2026

https://github.com/provnai/attest

Attest Protocol Silicon-rooted trust and zero-knowledge provenance for AI agents. Features hardware-sealed identity (TPM/CNG), Plonky3 ZK-STARK audit trails, and Quantum Undo (Reversible Execution) in Go & Rust.

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Last synced: 11 Mar 2026

https://github.com/hpgrahsl/rhd-csflc-kafka-connect-demos

Demo Scenarios discussed in my Red Hat Developers article series

apachekafka cryptography encryption-decryption kafka kafka-connect security

Last synced: 18 Feb 2026

https://github.com/mateoniksic/project-encrypted-chatroom

client-server chatroom using ecdsa/x25519/sha256 algorithms (CODE) [ PYTHON ]

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Last synced: 05 Aug 2025

https://github.com/projects-developer/github-major-projects-with-source-code

GitHub major projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

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Last synced: 18 Feb 2026

https://github.com/pedroalbanese/gostsum

Parallel GOST R 34.11-94 CryptoPro hashsum command

cryptography gost gost94 hashsum

Last synced: 23 Jun 2026

https://github.com/geeknik/qrypttalk

A Decentralized, Privacy-First Chat App

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Last synced: 08 May 2026

https://github.com/ahmeddwalid/walid-passanalyzer

A modern, privacy-focused password strength analyzer built with React and TypeScript

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Last synced: 28 Oct 2025

https://github.com/abhisinha08/cryptile

A Desktop App and CLI tool to encrypt and decrypt your files with a secure password

cryptography react rust tauri

Last synced: 27 Jun 2025

https://github.com/werrett/cryptopals

Solutions to the Matasano Cryptopals challenges

cryptography ctf golang

Last synced: 19 May 2026

https://github.com/jadnohra/zig-crypto-bench

Crypto benchmarks: Zig vs Rust performance comparison.

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Last synced: 18 May 2026

https://github.com/hushos/hushos-legacy

An open source, privacy first, end-to-end encrypted productivity OS!

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Last synced: 21 Jun 2026

https://github.com/encryptex/chainex

A tool to create temporary encrypted messages

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Last synced: 02 Mar 2025

https://github.com/storopoli/storopoli.com

Personal Website

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Last synced: 10 Apr 2025

https://github.com/dotx12/algunscrypt

🔒 Alguns is a symmetric encryption method that contains 2 keys. Uses 128-bit AES in CBC mode and PKCS7 padding with the replacement of letters with random values.

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Last synced: 24 Jul 2025

https://github.com/keygen-sh/example-bash-cryptographic-verification

Example of verifying a license key's authenticity using RSA-SHA256 with PKCS1 PSS padding with Bash.

bash-script cryptography keygen license-keys openssl-rsa software-licensing

Last synced: 17 May 2026

https://github.com/eliainnocenti/cryptography-exercises

Exercises for Cryptography Exam @ Polito - Cryptographic primitives in C with OpenSSL and prototype attacks in Python.

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Last synced: 05 May 2026

https://github.com/constantin9845/trivium-encoder

Trivium stream cipher implementation with cryptographically secure IV and Key generator.

cryptography csprng trivium

Last synced: 31 Jul 2025

https://github.com/vsrc/playground

My personal sandboxed experimenting lab

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Last synced: 16 May 2026

https://github.com/breezy-codes/quantum-cryptography-guide

This project is an exploration into quantum mechanics and quantum cryptography. Understanding the principles and applicaitons of quantum technologies before exploring quantum algorithms for cryptography and their impact on this field. The project includes both explanations and code for learning about the field.

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Last synced: 11 Apr 2025

https://github.com/w3c/identity-web-impact

This document proposes an overview of Digital Identities on the Web and an analysis through different use cases of the systemic impact on both the market side and the human side, as well as the role that Web standardization may play in managing that impact

cryptography identity spice threat-modeling verifiable-credentials

Last synced: 11 Jul 2025

https://github.com/volkanbicer/theblockchain

Blockchain application created with nodejs

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Last synced: 16 May 2026

https://github.com/shinbatsu/tryhackme-awesome

[👾] TryHackMe / tryhackme -The Comprehensive list of rooms (1000+). Ordered by popularity. Solutions, badges, points.

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Last synced: 07 Sep 2025

https://github.com/ggeorgovassilis/webencryption

Simple (offline) HTML and Javascript for encrypting stuff

cryptography javascript security web

Last synced: 05 Apr 2025

https://github.com/can-deliktas/passforge

PassForge is a flexible and secure password generator that creates strong, customizable passwords with letters, numbers, and special characters. It ensures quick and reliable password generation for enhanced security.

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Last synced: 09 Mar 2026

https://github.com/bboymega/file2png-web

File2PNG Web Application

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Last synced: 14 May 2026

https://github.com/qua3k/cryptopals

This is a repo providing solutions written in Go to the Matasano Cryptopals Challenges.

cryptography cryptopals

Last synced: 12 Jan 2026

https://github.com/toggio/securetokenizer

A PHP Library for Cryptographically Secure Token Generation and Management

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Last synced: 13 Apr 2025

https://github.com/ishan-surana/cryptosystems

The 𝚌𝚛𝚢𝚙𝚝𝚘𝚜𝚢𝚜𝚝𝚎𝚖𝚜 package offers a suite of classes and functions for both symmetric and asymmetric encryption, signature-verification, hashing algorithms, key exchange protocols as well as mathematical utility functions. Docs at https://cryptosystems.readthedocs.io.

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Last synced: 09 Jul 2025

https://github.com/cmason3/vaulty.go

Vaulty in Go - Encrypt/Decrypt with ChaCha20-Poly1305

chacha20-poly1305 cryptography ecdh golang scrypt sha256 x25519

Last synced: 26 Jul 2025

https://github.com/karthickajan/cipherkit

77 free browser-based developer tools — AES, SHA, JWT, Base64, JSON, Regex, Diff, QR and more. 100% client-side. No login. No tracking.

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Last synced: 30 Apr 2026

https://github.com/fajarkim/node-openssl-enc

A Node.js CLI tool and library for encryption and decryption with OpenSSL Enc.

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Last synced: 28 Oct 2025

https://github.com/fionn/cryptopals

Attack at dawn

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Last synced: 02 Mar 2025

https://github.com/tmlnv/sanity

Solana vanity address generator with CLI & TUI.

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Last synced: 12 Jan 2026

https://github.com/steampixel/php-one-time-pad

cryptography encryption php security

Last synced: 21 May 2026

https://github.com/jiahaoxiang2000/milp

learn the Mixed-Integer Linear Programming (MILP) and its application in the optimization of the modeling systemic cipher.

cryptanalysis cryptography milp

Last synced: 17 Sep 2025

https://github.com/reznik99/go-hsm-doc

A simple CLI Tool to view, inspect and debug PKCS11 compliant Hardware and Software HSMs.

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Last synced: 20 Jan 2026

https://github.com/reppon97/cryptosnake

Simple, unofficial python wrapper for Binance API. You'll find this easy-to-use package helpful if you're interested in general market data and cryptocurrency values. You don't need to have a Binance account or API Key since you can't purchase/trade cryptocurrencies using this package.

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Last synced: 05 Mar 2025

https://github.com/mewmix/erc5564py

A python implementation of ERC5564 for Stealth Addresses on Ethereuem as described https://eips.ethereum.org/EIPS/eip-5564

cryptocurrency cryptography ecdsa-cryptography erc5564 ethereum python stealth-addresses

Last synced: 16 May 2026

https://github.com/bytemare/hash2curve

Go implementation of RFC 9380 - Hashing to Elliptic Curves

cryptography ecc elliptic-curves go golang hash hash-to-curve rfc9380 secp256k1

Last synced: 10 Apr 2025

https://github.com/deemru/cryptash

Hash-based encrypt/decrypt for PHP

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Last synced: 25 Mar 2025

https://github.com/omarbaylee/vaultkey

vaultkey is an open-source Rust library for generating secure, customizable passwords. It supports various character sets and lengths, providing cryptographically secure random passwords for any use case. Contributions are welcome to improve and expand the library.

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