https://github.com/thomasthaddeus/algorithmselector

Explore our extensive Algorithms Repository, featuring a diverse range of algorithms from computational methods to data structures, cryptographic techniques, and AI. Ideal for education, research, and practical application, each algorithm is well-documented, tested, and optimized for performance and readability.

ai algorithms computational-algorithms computer-science cryptography data-compression data-structures educational-resource game-theory graph-theory machine-learning network-flow open-source optimization python

Last synced: 01 Mar 2026

https://github.com/dsprenkels/vscode-jasmin

basic syntax highlighting support for the jasmin domain-specific language

cryptography jasmin-lang

Last synced: 19 Mar 2026

https://github.com/jhnwnstd/suxotin

Python script that distinguishes vowels from consonants using Suxotin's algorithm.

cryptography decipherment suxotin

Last synced: 31 May 2026

https://github.com/venkat-kolasani/knight-s-tour-based-cryptographic-key-generation

The Knight's Tour Encryption System is a cryptographic application that leverages the Knight's Tour problem on a chessboard to generate a unique encryption key. This key is then used for XOR-based encryption and decryption of messages.

cpp17 cryptography design-and-analysisof-algorithm dsa-algorithm knights-tour

Last synced: 15 Feb 2026

https://github.com/romainbou/ise2ee

Is it End-to-end Encrypted?

cryptography encryption messaging

Last synced: 14 Oct 2025

https://github.com/insektdotbin/doxbox

📦 DoxBox will help you learn to make tools for cybersecurity purposes using Python 3.

cpp cryptography cybersecurity cybersecurity-education hacking hacking-tool information-gathering javascript python

Last synced: 28 Feb 2026

https://github.com/cupcakearmy/occulto

Isomorphic encryption library that works both in the browser and node.

aes crypto crypto-library cryptography easy-to-use hash high-level node node-crypto typescript

Last synced: 15 Apr 2025

https://github.com/christoffercarlsson/autograph

The Autograph Protocol

authentication chacha20-poly1305 cryptography decentralization diffie-hellman ed25519 elliptic-curves freedom hkdf identity ownership privacy security verification x25519

Last synced: 18 Oct 2025

https://github.com/txuswashere/cybersecurity-handbooks

Cybersecurity-Handbooks

attack-defense cloud cryptography cybersec cybersecurity cybersecurity-education cybersecurity-tools cybersecurity-training forensics osint password reconnaissance reverse-engineering wireless wireless-security

Last synced: 19 Mar 2026

https://github.com/vishalshenoy2002/file-encrypter

Keep your files safe by encrypting it 🙂

cryptography encrpytion file-encryption file-encryption-python file-encryptor safe security

Last synced: 18 Jun 2026

https://github.com/nulltea/contangle-zkcp

Universal Zero Knowledge Contingent Payments (on hold)

bitcoin cryptography ethereum payment zero-knowledge

Last synced: 19 Apr 2026

https://github.com/r1b/cryptography

Self-study in cryptosystems

block-ciphers cryptography key-exchange-algorithms rust stream-ciphers

Last synced: 08 Apr 2025

https://github.com/jahlives/openssl_encrypt

Post-quantum hybrid encryption with chained KDF architecture. Supports ML-KEM, Kyber, Argon2, Balloon, RandomX. CLI + GUI included.

cryptography encryption hash-chaining kdf-chaining post-quantum python security steganography

Last synced: 01 Apr 2026

https://github.com/michpro/xtea-cipher

XTEA cipher library, with MAC support, for the Arduino environment.

arduino arduino-library cipher cipher-algorithms cryptography cryptography-library decryption encryption hash iot mac message-authentication-code xtea-cipher

Last synced: 17 Apr 2026

https://github.com/salvacorts/fr-chat-client

:rocket: P2P Chat with asymmetric encryption

asymmetric-cryptography cryptography p2p-chat python rest-api rsa sockets tkinter

Last synced: 15 Mar 2025

https://github.com/shahradelahi/timing-safe-compare

🔐 Isomorphic constant-time string and buffer comparison to prevent timing attacks.

browser constant-time cryptography isomorphic nodejs security timing-attack

Last synced: 03 Apr 2026

https://github.com/nexenio/rxkeystore

RxJava wrapper for the Android keystore and cryptography utilities

android android-library cryptography rxjava

Last synced: 19 May 2026

https://github.com/shaygali/crypto-project

python crypto course final project

course-assignment cryptocurrency cryptography python

Last synced: 17 Apr 2026

https://github.com/ntdls/secure-archive

Secure Archive is a file encryption utility that provides multiple encryption algorithms, variable compression levels, secure file delete, self-extracting archives and more.

cryptography file-management file-system private security showcase

Last synced: 27 Mar 2026

https://github.com/dineshssdn-867/cryptography

Although there are different methods to encrypt and decrypt messages, we'll focus on a linear algebra-based cipher, the Hill cipher, which uses a matrix as a cipher to encode a message or an image, and it's extremely difficult to break when a large matrix is used.

colab-notebook cryptography hill-cipher linear-algebra matrix-multiplication

Last synced: 26 Oct 2025

https://github.com/kuzma02/secured-file-share

Secure File Sharing App is a comprehensive solution for secure file exchange, developed using the MERN (MongoDB, Express.js, React, Node.js) stack. This application enables users to share files with end-users with a high level of privacy and security.

cryptography encrypted-data encryption end-to-end-encryption file-sharing file-transfer mern mern-stack mern-stack-development secure-file-exchange secure-file-sharing secure-file-upload secure-web-apps transfer-data transfer-files

Last synced: 26 Oct 2025

https://github.com/marekyggdrasil/minicurve

A simple library for elliptic curve visualization.

cryptography education visualisation visualization

Last synced: 17 Apr 2026

https://github.com/meyiapir/cryptograph

This is a simple console application for encrypting files using AES, written in Python.

aes aes-encryption cryptography file-encryption python python3

Last synced: 09 Jun 2026

https://github.com/dev-sire/algopython

This repository serves as a comprehensive collection of Python code related to data structures, algorithms, and cryptography. It includes solutions to daily LeetCode problems and various cryptographic implementations

cryptography dsa-algorithm leetcode-python python3

Last synced: 10 Apr 2025

https://github.com/sepandhaghighi/integer-squaring

Integer Squaring Algorithm

algorithm cryptographic cryptography integer-arithmetic integer-squaring multiplication product-scanning squaring

Last synced: 15 Oct 2025

https://github.com/gerhalt/cryptopals

Solutions to Cryptopals challenges in Python 3. Visit https://cryptopals.com/ for the complete list of challenges.

aes-encryption cbc-mode challenges crypto cryptography diffie-hellman dsa dsa-algorithm ecb-mode puzzles python python3 rsa rsa-algorithm solutions

Last synced: 13 May 2026

https://github.com/scarlet-oni/lock-talk

Console messenger between client and server using TLS 1.3 protocol to encrypt messages

console cryptography cyber-security cybersecurity messaging messanger python python3

Last synced: 13 Feb 2026

https://github.com/belajarqywok/strmc

Credentials Management Tool Using Stream Cipher Algorithm.

clang cryptography cybersecurity llvm rc4-algorithm stream-cipher

Last synced: 07 Feb 2026

https://github.com/ntdls/talkster

Secure chat instant messaging server and client, offering multi-layered peer-to-peer encryption.

communication cryptography privacy security

Last synced: 21 Apr 2026

https://github.com/agu3rra/pykeys

Securely store and use your API keys

api coding cryptography key secure token

Last synced: 16 Jan 2026

https://github.com/amirhosein2004/secure-token

package secure-token

cryptography pypi-packages python secure-token

Last synced: 13 Apr 2026

https://github.com/ryanoutcome20/cryptify

A WinForms based file Encryption system.

aes cryptography csharp des filesystem tools tripledes windows windows-forms

Last synced: 25 Feb 2026

https://github.com/yashraj-n/legitly

A simple PDF Signing and verifying website. Made in Next.js

authentication cryptography pdf verification web3

Last synced: 23 Jun 2026

https://github.com/ph4r05/zipstream

ZIP archive tampering on the fly library

cryptography java man-in-the-middle research tampering zip-stream

Last synced: 15 Mar 2025

https://github.com/anuja-rahul/python-datavault

Encrypt and safeguard your valuable data with this python encryption/decryption module.

aes-256 cbc-aes-encryption cryptography fernet-cryptography oops-in-python

Last synced: 19 Jun 2026

https://github.com/erhant/cryptopals-go

Cryptopals cryptography challenges in Go.

cryptography cryptopals ctf go

Last synced: 07 Jun 2026

https://github.com/susumuota/nostrain

Nostr client library with no strain.

client cryptography nodejs nostr protocol relay sns social-media social-network typescript vite

Last synced: 08 May 2026

https://github.com/practicalparticle/particle-core

**EXPERIMENTAL SOFTWARE** The particle-core GitHub repository houses the MultiPhaseSecureOperation library and Guardian Account Abstraction implementation, which together offer a novel approach to blockchain security by decoupling asset authority and introducing time-delayed operations.

account-abstraction blockchain cryptography ethereum meta-transactions role-based-access-control security smart-contracts solidity timelock typescript

Last synced: 23 Mar 2025

https://github.com/charlot-dedjinou/best-flag

Best Flag is an exciting project that will put your cryptographic and steganographic skills to the test. The aim is to discover a secret message hidden in the “best_flag” file, using different encryption algorithms.

cryptography express expressjs flag mongodb react reactjs steganography tailwind tailwindcss

Last synced: 11 Apr 2026

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/eliainnocenti/cryptography-exercises

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

asymmetric-cryptography c cryptography ctf digest encryption-decryption offensive-security openssl python rand random-number-generators random-numbers symmetric-cryptography

Last synced: 05 May 2026

https://github.com/demindiro/nora_ssh

Pure Rust async library for SSH servers and clients

async async-rust cryptography encryption rust ssh ssh-client ssh-server

Last synced: 01 Apr 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.

application cryptography qrcode web

Last synced: 04 Mar 2025

https://github.com/spyder01/charlotte

Folder encryption and decryption tool built with Scala

cli cryptography encryption fileencryption scala software-engineering

Last synced: 10 Aug 2025

https://github.com/nsk89/netcrypt

simplifying socket data stream cryptography using RSA public keys and AES data encryption, using PyCryptodome cryptographic primitives

aes-encryption cryptography network-secuirty pycryptodome python python3 rsa-encryption socket-communication

Last synced: 25 Aug 2025

https://github.com/cipherstash/enveloperb

Ruby bindings for the envelopers envelope-encryption library

cipherstash cryptography encryption envelope-encryption ruby

Last synced: 07 May 2025

https://github.com/milliorn/cli-password-generators

Simple command-line applications for generating passwords

chalk cli cli-app clipboardy command-line command-line-interface commander cryptography golang node node-js nodejs npm password password-generator random-seed randomization secure-password text-processing user-interface

Last synced: 11 Jan 2026

https://github.com/aman-17/rabin-cryptosystem

Implementation of Rabin PKC in python

cryptography encryption python rabin-cryptosystem

Last synced: 20 Mar 2025

https://github.com/geeknik/qrypttalk

A Decentralized, Privacy-First Chat App

chat crypto cryptography encryption privacy

Last synced: 08 May 2026

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

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

cryptography encryption end-to-end-encryption nextjs privacy self-hosted typescript

Last synced: 21 Jun 2026

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.

cryptography cybersecurity gui pass password password-generator passwords python random-password-generator safe terminal-graphics tkinter-gui

Last synced: 09 Mar 2026

https://github.com/blackm0re/pyotp2289

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

2289 cryptography freebsd otp password python security unix

Last synced: 21 Aug 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/fajarkim/node-openssl-enc

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

cipher compress cryptography decipher decompress decrypt encrypt node nodejs

Last synced: 28 Oct 2025

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

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

authentication chatroom client-server cryptography decryption ecdsa encryption exchange key-exchange-algorithms message python python3 sha256 x25519

Last synced: 05 Aug 2025

https://github.com/kartmaan/filecrypt

Python script to encrypt and decrypt files

aes aes-128 argparse argparser command command-line cryptography cryptography-library cryptography-tools decryption encryption encryption-decryption fernet files script sha-256

Last synced: 15 Jun 2025

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

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

assembly-x86 bmp-image cryptography steganography system-call

Last synced: 16 May 2026

https://github.com/odilitime/sniph

Snerx Sniph Cipher

cipher cipher-algorithms ciphers cryptography cypher

Last synced: 03 Aug 2025

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

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

aes aes-encryption browser cryptography

Last synced: 28 Sep 2025

https://github.com/vsrc/playground

My personal sandboxed experimenting lab

bitcoin cryptocurrency cryptography golang

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.

cryptographic-algorithms cryptography cryptography-project quantum quantum-computing quantum-computing-research quantum-crypto quantum-cryptography quantum-key-distribution quantum-mechanics shor-algorithm tutorials

Last synced: 11 Apr 2025

https://github.com/volkanbicer/theblockchain

Blockchain application created with nodejs

blockchain cryptocurrency cryptography nodejs

Last synced: 16 May 2026

https://github.com/axman6/curve25519

A Pure Haskell implementation of Curve25519

cryptography curve25519 haskell

Last synced: 28 Oct 2025

https://github.com/alokmenghrajani/five_thousand_needles

Five thousand randomly placed needles

art cryptography hardware-security-module

Last synced: 20 Mar 2025

https://github.com/skyf0l/ncenc

Netcat wrapper to encrypt network traffic with openssl.

bash cryptography encryption nc netcat network network-encryption openssl pentest pentest-tool pentesting reverse-shell rsa

Last synced: 26 Apr 2026

https://github.com/hayr-hotoca/flutter_chacha20_poly1305

ChaCha20-Poly1305 encryption/decryption for Flutter. Native implementations make sure it has the fastest performance.

android chacha20 chacha20-poly1305 chacha20poly1305 cipher cipher-algorithms cross-platform cryptography cryptography-algorithms dart encryption encryption-algorithms flutter ios key

Last synced: 02 May 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/developpeurpascal/swap-keys-generator

A simple generator of reversible bytes lists or arrays in different programming languages for swapping from a byte value to an other.

cryptographic-algorithms cryptography cryptography-tools delphi delphi-app developer-tool developer-tools firemonkey firemonkey-applications

Last synced: 20 Jan 2026

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

PKI Engineering Repository for Secure Web Application Development

cryptography information-security informationsystems pki-applications security-engineering

Last synced: 02 Feb 2026

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

Encode/Decode mylogin.cnf

bash cryptography mylogin mysql openssl utilities

Last synced: 10 May 2026

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.

aes base64 client-side cryptography developer-tools diff-checker hashing javascript json-formatter jwt-decoder no-tracking offline open-source privacy regex rsa utilities web-tools

Last synced: 30 Apr 2026

https://github.com/d0nutptr/cryptopals_solutions

My solutions to the CryptoPals problem sets.

cryptography cryptopals python python3 security

Last synced: 02 Aug 2025

https://github.com/nikhil-swamix/cryptocurrencycodes

Quick and Handy utilities for Crypto Enthusiasts traders and miners

bitcoin bitcoin-price cryptocurrency cryptography monero monero-mining

Last synced: 09 Apr 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/reznik99/go-hsm-doc

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

cryptography encryption-decryption golang hardware-security-module hsm pkcs11 pkcs11-tool signing-keys

Last synced: 20 Jan 2026

https://github.com/betarixm/cuecc

POSTECH: Heterogeneous Parallel Computing (Fall 2023)

cryptography ctypes cuda ecc postech secp256k1

Last synced: 12 May 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.

cryptography hill-cipher md5-hash playfair-cipher rsa-algorithm sha512

Last synced: 14 Apr 2025

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/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/fionn/cryptopals

Attack at dawn

cryptanalysis cryptography cryptopals cryptopals-crypto-challenges matasano matasano-crypto-challenges

Last synced: 02 Mar 2025

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

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

circom cryptography election voting voting-application zero-knowledge zkp zksnarks

Last synced: 03 Feb 2026

https://github.com/maxpat78/cryptopad

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

aes cryptography encryption notepad security text-editor zip zipfile

Last synced: 12 Apr 2025

https://github.com/ndxdeveloper/slashsum

Fast multi-threaded checksum calculator (CRC32, MD5, SHA1, SHA256, SHA512)

checksum cli-tool concurrent-processing crc32 cross-platform cryptography data-integrity file-integrity file-validation file-verification hash-calculator md5 multi-threaded parallel-computing performance rust sha1 sha256 sha512 utility

Last synced: 08 Apr 2026

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

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

cryptography data-security digi-locker django-rest-framework docusaurus2 ethical-data harry-potter

Last synced: 01 Aug 2025

https://github.com/catalyst-network/dotnet-crypto-benchmarking

Project to benchmark different c# crypto libraries and curves including NSec && SecpK1 wrapped && BouncyCastle

atlas-city benchmarkdotnet benchmarking bouncycastle crypto-benchmarking crypto-libraries cryptography nsec secp256k1

Last synced: 29 May 2026

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

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

caesar cipher classical cryptography javascript playfair

Last synced: 08 Apr 2025

https://github.com/elliotwutingfeng/steam_totp

A Dart library for generating 5-character alphanumeric Steam TOTP codes.

crypto cryptography mfa otp security

Last synced: 10 Jul 2025

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/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.

asymmetric-cryptography bcrypt cryptography cryptography-algorithms cryptography-library cryptosystems gmp gmplib hashing-algorithm key-exchange-protocol mathematical-functions mathematical-utilities python-package python3 signature-verification symmetric-key-cryptography

Last synced: 09 Jul 2025

https://github.com/lukebaal/cloudproject

blockchain consent-management cryptography hyperledger privacy-by-design user-privacy

Last synced: 11 Apr 2025

https://github.com/zkdotim/zkim-file-format

Secure encrypted file format with three-layer encryption, integrity validation, and privacy-preserving search capabilities

blake3 cryptography encryption file-format privacy searchable-encryption security typescript xchacha20 zero-knowledge

Last synced: 15 Jan 2026

https://github.com/michaelsproul/antifa

Build a Merkle tree for your files

cryptography filesystem integrity paranoid rust

Last synced: 25 Oct 2025

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

Simple visualisation for basic string cryptography algorithms

algorithms cryptography cryptography-gui pygame python3 string-cryptography-algorithms visualisation

Last synced: 31 Mar 2026

https://github.com/werrett/cryptopals

Solutions to the Matasano Cryptopals challenges

cryptography ctf golang

Last synced: 19 May 2026

https://github.com/lostbeard/spawndev.blazorjs.cryptography

A cross platform cryptography library that supports encryption with AES-GCM and AES-CBC, shared secret generation with ECDH, data signatures with ECDSA, and hashing with SHA on Windows, Linux, and Browser (Blazor WebAssembly) platforms.

aes-cbc aes-gcm blazor blazor-webassembly cryptography csharp dotnet ecdh ecdsa encryption server sha-hashes subtlecrypto webbrowser

Last synced: 30 Jul 2025

https://github.com/anirbanbasu/paillier-crypto

Implementation of the additively homomorphic Paillier cryptosystem

cryptographic-algorithms cryptographic-library cryptography encryption-algorithms homomorphic-encryption paillier

Last synced: 24 Jun 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/trainingbypackt/advanced-blockchain-development

Build highly secure, decentralized applications and conduct secure transactions

bitcoin blockchain cryptocurrencies cryptography ethereum smart-contracts

Last synced: 21 Sep 2025

https://github.com/functionally/crypto-lean4

Implementation of various cryptographic functions in Lean4

cryptography elliptic-curves lean4

Last synced: 03 Feb 2026

https://github.com/ryarazi/cryptohacksolutions

This repository contains my solutions to various challenges from cryptohack, a platform dedicated to learning modern cryptography through solving challenges.

cryptography cryptohack cryptohack-solutions diffie-hellman elliptic-curves hash rsa solutions symmetric-ciphers

Last synced: 29 Jul 2025