https://github.com/platform-inf/go-ratchet

🛡️ Double ratchet algorithm implementation in Golang.

cryptography double-ratchet golang

Last synced: 31 Mar 2025

https://github.com/1-5pool/jmessage-security-project

JMessage: Encrypted Messaging System with Security Analysis This project implements an end-to-end encrypted messaging system using ECDH, ChaCha20, and ECDSA. It also demonstrates a padding oracle attack, showcasing both secure system design and vulnerability exploitation techniques.

chat-application cryptography end-to-end-encryption golang padding-oracle-attacks

Last synced: 08 Feb 2026

https://github.com/ite-2022-pwr/sem4-oiak-proj-mb-ak

Organizacja i architektura komputerów - projekt

assembler assembly cryptography kyber-crystal

Last synced: 28 Mar 2025

https://github.com/systemslibrarian/crypto-lab-babel-hash

Browser-based demo of cryptographic hash functions — SHA-256, SHA3-256, and BLAKE3. Live avalanche effect visualizer, length extension attack against SHA-256, and why HMAC exists. Hash functions are the silent foundation of every other primitive.

avalanche-effect blake3 browser-demo crypto-compare cryptography hash-functions hmac keccak length-extension-attack merkle-damgard nist-fips-180-4 nist-fips-202 sha-256 sha3-256 typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-curve-lens

Browser-based elliptic curve demo — point addition, scalar multiplication, and live ECDH across P-256, Curve25519, and secp256k1. Real field arithmetic. No backends. No simulated math.

browser crypto-lab cryptography curve25519 ecc ecdh elliptic-curves noble-curves p-256 point-addition scalar-multiplication secp256k1 typescript visualization vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-padding-oracle

Browser-based CBC padding oracle attack demo — full Vaudenay 2002 chosen-ciphertext attack with real AES-CBC, byte-by-byte plaintext recovery, and coverage of ASP.NET, Lucky Thirteen, and POODLE exploits. No backends. No simulated math.

aes-cbc attacks browser chosen-ciphertext cryptanalysis crypto-lab cryptography lucky-thirteen padding-oracle pkcs7 poodle tls typescript vaudenay vite

Last synced: 01 Jun 2026

https://github.com/timyiu478/pwn.college

Learn to Hack in a hands-on fashion

binary-exploitation cryptography hacking network-security reverse-engineering system-security web-security

Last synced: 09 Feb 2026

https://github.com/systemslibrarian/crypto-lab-dead-sea-cipher

Browser-based cryptographic history demo — from Atbash in Jeremiah 25:26 (~600 BCE) to AES-256-GCM (2001 CE). Every cipher, every fatal flaw, every lesson that built the next one.

aes-gcm atbash caesar-cipher cryptography frequency-analysis historical-ciphers kasiski one-time-pad vigenere-cipher webcrypto

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-rsa-forge

Browser-based RSA demo — textbook RSA, OAEP, PSS signatures, and live attacks including small exponent, Bleichenbacher PKCS#1 v1.5 oracle, and padding oracle. Real WebCrypto operations. No backends. No simulated math.

asymmetric-encryption attacks bleichenbacher browser crypto-lab cryptography padding-oracle pkcs1 post-quantum public-key-cryptography rsa rsa-oaep rsa-pss typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-ratchet-wire

Browser-based demo of the Double Ratchet Algorithm — the cryptographic protocol powering Signal, WhatsApp, and Google Messages. Live conversation with forward secrecy, break-in recovery, and key compromise simulation.

aes-gcm browser-demo crypto-compare cryptography double-ratchet forward-secrecy hkdf key-exchange messaging-protocol post-quantum-ready signal-protocol typescript vite x25519

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/cipher-museum

Interactive virtual museum exploring 2,500 years of cryptography — 37 ciphers in 10 exhibit halls with live demos, cryptanalysis tools, and connections to modern & post-quantum systems.

caesar-cipher ciphers cryptanalysis cryptography education enigma historical-cryptography vigenere-cipher

Last synced: 01 Jun 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: 31 Mar 2025

https://github.com/systemslibrarian/crypto-lab-sphincs-ledger

Browser-based demo of SLH-DSA (SPHINCS+), a hash-based post-quantum digital signature scheme standardized as NIST FIPS 205

browser-demo crypto-lab cryptography digital-signatures hash-based-signatures javascript nist-fips-205 post-quantum-cryptography slh-dsa sphincs-plus

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-model-breach

Browser-based HiAE threat model case study — AESL, Theorem 1 candidate enumeration, MITM state recovery, byte decomposition, guess-and-determine key recovery. Security claims are contracts. The threat model is the fine print. No backends. No simulated math.

aead aes algebraic-attacks browser-demo crypto-lab cryptography meet-in-the-middle security-analysis threat-modeling typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-blind-oracle-api

Browser-based Rust + Axum + TFHE-rs backend for crypto-lab-blind-oracle — gate-bootstrapped homomorphic addition on FheUint8 ciphertexts. Holds only a ServerKey. Cannot decrypt its own output.

axum crypto-lab cryptography fhe homomorphic-encryption privacy rust tfhe webassembly

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-silent-tally

Browser-based demo of secure multi-party computation — five hospitals compute combined enrollment without revealing individual counts. Shamir SSS · additive homomorphism · GF(2⁶¹-1) · no trusted third party.

additive-homomorphism cryptography finite-field information-theoretic-security lagrange-interpolation mpc secure-multiparty-computation shamir-secret-sharing

Last synced: 01 Jun 2026

https://github.com/munizmat/cryptography-basics

cryptography java nodejs

Last synced: 09 May 2026

https://github.com/manelmontilla/goracler

cryptography go security

Last synced: 20 Mar 2025

https://github.com/crime-trix/metacrypt-cpp

C++20 MetaCrypt authenticated encryption envelope using Windows CNG

aes-gcm cpp cryptography cxx20 encryption pbkdf2 windows

Last synced: 02 Jun 2026

https://github.com/csnp/qramm-cryptoscan

Cryptographic Discovery Scanner - Find every cryptographic algorithm in your codebase and now your quantum risk - part of the QRAMM Toolkit by CSNP

cbom code-analysis cryptography golang post-quantum-cryptography pqc quantum-computing sarif security

Last synced: 13 Jan 2026

https://github.com/hvalfangst/kubernetes-crypto

Distributed system consisting of Kotlin deployments demonstrating a public key cryptosystem enabled by Kubernetes

cryptography docker github-actions jacoco keystore kotlin kubernetes pkcs12 rsa spring-boot spring-security

Last synced: 11 Apr 2026

https://github.com/ttwag/mat115a-number_theory

Number Theory

cryptography math number-theory proof

Last synced: 26 Feb 2026

https://github.com/reznik99/cryptotools

Crypto playground in your browser

cryptography material-ui pkcs1 pkcs10 pkcs8 react sec1 subtlecrypto x509

Last synced: 09 Feb 2026

https://github.com/d1ogocs/projeto-final

Implementação de mecanismos de autenticação e segurança em aplicações críticas: Caso de estudo - Sistema de gestão bancária

asp-net banking-system blockchain critical-applications cryptography csharp html-css information-security soap-web-services sql-server visual-studio windows-forms

Last synced: 05 Jan 2026

https://github.com/ltatarev/caesar-cipher

⚛️ Python script for working with Caesar ciphers

caesar-cipher cipher cryptography python

Last synced: 27 Feb 2025

https://github.com/cybersecurity-dev/awesome-cryptography

Awesome Cryptography

awesome awesome-list awesome-lists cryptography cryptography-algorithms cryptography-library cryptography-tools

Last synced: 02 Sep 2025

https://github.com/anistark/cryptography

Cryptography Functions Visual

cryptography hash javascript

Last synced: 31 Mar 2025

https://github.com/imakin/anote

my own trusted note, encrypted

cryptography kotlin password-manager

Last synced: 26 Jan 2026

https://github.com/atropinetears/atropinetears.github.io

My personal site to not only demonstrate my web design / web development skills, but also to list out my blog posts, projects, resources, and other information.

0xsilene blog cryptography github-io github-pages security web web-design web-development website

Last synced: 27 Feb 2026

https://github.com/maxencerb/crypto-exercices-2021-td1

Ploblem solving for cryptography.

cryptography problem-solving

Last synced: 27 Apr 2026

https://github.com/csnp/qramm-cryptodeps

Cryptographic Dependency Scanner - Identify quantum-vulnerable cryptographic algorithms in your software dependencies. Part of the QRAMM Toolkit.

cbom cnsa cryptography dependencies golang post-quantum post-quantum-cryptography pqc quantum-computing sast sbom security supply-chain-security vulnerability-scanners

Last synced: 13 Jan 2026

https://github.com/emrekayik/ekode

EKODE, metni resim üzerinde saklamak için kullanılan bir algoritmadır.

cryptography python

Last synced: 17 May 2026

https://github.com/nbhirud/research-exchange-participations

cryptography facebook-post hashing java java7 javascript jsp mysql netbeans openshift salt servlet

Last synced: 09 Nov 2025

https://github.com/chardoncs/minotp

Simple OTP library for Rust.

cryptography hotp one-time-password otp rust totp

Last synced: 10 Feb 2026

https://github.com/adelmofilho/tenispolar

Implementation ZENIT-POLAR substitution cipher method of encryption

cryptography r-package r-programming

Last synced: 31 Mar 2025

https://github.com/ivan-guerra/caesar_cipher

Caesar Cipher encrypt/decrypt/cracking utilities

caesar-cipher cryptography password-cracking

Last synced: 22 Jun 2026

https://github.com/jamesclarke7283/onetimepadui

Mirror of OneTimePadUI Project from my gitlab, please go there instead for Issues/Pull Requests, etc. Patches(Aka Commits) can also be submitted Via email or any platform listed here: https://www.james-clarke.ynh.fr/contact: .

cryptography desktop-app desktop-application encryption gtk gtk3 gui linux-app linux-application macos-app macos-application onetimepad privacy python python310 security ui user-friendly windows-app windows-application

Last synced: 11 Apr 2026

https://github.com/smallstep/pem-key-wrap

🔐 Wrap PEM files using RSAES-OAEP with SHA-256 + AES-KWP

cryptography kms pem wrap

Last synced: 27 Feb 2026

https://github.com/byut/des

An optimized implementation of the Data Encrpytion Standard (DES) in C

c cryptography des encryption

Last synced: 18 Mar 2025

https://github.com/daleroberts/asd-coin

Playing with the ASD Commemorative Coin

cryptography

Last synced: 05 Jan 2026

https://github.com/utkarsha666/policy-engine-peaas

This project is written in Netbeans.

cloud cryptography css css3 database encryption hmac html html5 java javascript jquery navicat netbeans rsa security sha slaengine sql tomcat

Last synced: 10 Apr 2026

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/yurykozhenov/infosec

University Information Security tasks

cryptography infosec security

Last synced: 31 Aug 2025

https://github.com/ddc/ddccryptography

Encode and Decode strings with Cryptography

cryptography ddccryptography decode decoder encode encoder python python-3 python3

Last synced: 11 Feb 2026

https://github.com/greydevv/naive-sha-256

A naive Python implementation of the 256-bit Secure Hash Algorithm (SHA-256).

binary bits cryptocurrency cryptography python sha256 sha256-hash

Last synced: 26 Jun 2026

https://github.com/yanicksenn/ssh-keygen-seeded

Small tool to generate seeded ssh keypairs.

cryptography java rsa ssh

Last synced: 31 Aug 2025

https://github.com/maksmez/dlp_events_vkr

Проект разработанный для автоматического анализа событий DLP системы InfoWatch Traffic Monitor.

cryptography python selenium smtplib sqlalchemy sqlite yattag

Last synced: 16 Apr 2026

https://github.com/mokkunsuzuki-code/stage356

Stage356: Runtime Verification and Fail-Closed Execution Gate with Stage355 integrity binding, runtime decision enforcement, CI context detection, and PQC intent-only protection.

audit ci-cd cryptography cybersecurity evidence execution-gate fail-closed github-actions hash-chain integrity key-revocation key-status ml-dsa pqc qsp runtime-verification signature-verification supply-chain-security trust verification

Last synced: 23 Jun 2026

https://github.com/zfi2/teavault

compile-time string encryption using the TEA algorithm

compile-time cpp cryptography encryption header-only obfuscation reverse-engineering security string-encryption tea-cipher

Last synced: 20 May 2026

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/aeliot-tm/doctrine-encrypted-bundle

Doctrine Encrypted bundle permits to encrypt/decrypt separate columns of database via Doctrine column types.

ast cryptography decryption doctrine doctrine-extension doctrine-orm encryption php routines symfony-bundle

Last synced: 12 Feb 2026

https://github.com/jamesponddotco/acopw-go

[READ-ONLY] Simple cryptographically secure password generator.

cryptography go password password-generator

Last synced: 15 Mar 2025

https://github.com/pranavh-2004/gochain

A simple and lightweight blockchain implementation in Go for learning and experimentation with block creation, proof-of-work, and persistent storage using BoltDB

blockchain blockchain-experiment boltdb cli-app cryptography decentralization go golang proof-of-work

Last synced: 23 Mar 2025

https://github.com/tell/note-on-subgroup-security

This is a demonstration of "A Note on Subgroup Security in Pairing-Based Cryptography"

cryptography pairing subgroup-security

Last synced: 15 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/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/acestojanoski/key-forge

Effortlessly encrypt and decrypt text in an instant with our user-friendly, open-source tool.

aes aes-256 aes-256-gcm cryptography cryptography-tools decryption encryption opensource react vite

Last synced: 16 Apr 2026

https://github.com/aead/poly

Package poly implements message authenticators based on polynomials

cryptography gcm golang poly1305

Last synced: 19 May 2026

https://github.com/purarue/plus1

A symmetric substitution cipher used to obfuscate code that I'd rather not be indexed.

cipher cryptography

Last synced: 30 Mar 2025

https://github.com/lukman-01/alchemy-eth-bootcamp-projects

Alchemy-Eth-Bootcamp documentation of learning and developing blockchain technology from scratch using JavaScript, Blockchain cryptography and storage,Solidity, Etherjs, Hardhat and indept smart contract writing.

blockchain cryptography erc20 ethereum etherjs evm hardhat javascript nfts smart-contracts solidity

Last synced: 11 Apr 2026

https://github.com/hemanthh17/da2-cryptography-vit

Blum Blum Shub and RC4 Python Scripts. Blum Blum Shub is a PRF which is responsible to generate random numbers. RC4 is a stream cipher encryption algorithm.

cryptography python3 random-number-generators stream-cipher

Last synced: 15 Mar 2025

https://github.com/jordanbaird/hashgenerator

Generate hash digests using commonly available hash algorithms

cryptography generate hash hashgenerator hashing md5 sha sha1 sha256 sha384 sha512 swift

Last synced: 23 Oct 2025

https://github.com/l1asis/vault-tar

AES-256-GCM file and directory encryption CLI with chunked streaming, configurable compression, and output splitting.

aes-256-gcm archiving cli compression cryptography directory-encryption encryption file-encryption pbkdf2 privacy python security

Last synced: 14 Feb 2026

https://github.com/suwadith/cryptography-python

A simple Python-based one-time pad encryption implementation.

ciphertext cryptography encryption-decryption python

Last synced: 11 May 2026

https://github.com/trinetra110/stegoaes

A Python-based steganography tool that hides AES-encrypted messages in images using the Least Significant Bit (LSB) technique. Supports secure encoding and decoding with OpenCV and PyCryptodome.

cryptography steganography

Last synced: 01 Sep 2025

https://github.com/kevincharm/blstoise

BLS12-381 + pairings + RFC9380 + BLS sigs

bls bls12-381 cryptography

Last synced: 28 Feb 2026

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/n1ckl0sk0rtge/scrambledb-driver

A JDBC driver for connection to a database and access data in a ScrambleDB-fashion

cryptography encryption gdpr privacy pseudonymisation pseudonymization scrambledb security

Last synced: 13 Oct 2025

https://github.com/t-bast/echalotte

Research on various onion encryption schemes.

cryptography onion onion-routing

Last synced: 12 May 2026

https://github.com/ben854719/trade-transfer-workflow-optimizer

This AI portfolio tools securely analyzes asset allocation, sector exposure, and performance. Its graph compares real and predicted close prices, enhanced with sentiment indicators such as “Confident” and “Surprised.” An avatar assistant provides user guidance combining technical accuracy with intuitive explanations.

agentic-ai avatar cryptography emotion-analysis encryption gemini json langgraph langraph machine-learning-algorithms matplotlib mcp-server numpy opencv-python pandas python pytorch rs256 seaborn

Last synced: 15 Feb 2026

https://github.com/kyrylr/distributedlab

Solutions to the exercises of the Distributed Lab

cryptography hash-algorithms

Last synced: 07 Apr 2025

https://github.com/joseph-ogutu/expense-management-application

Crafted AI powered comprehensive full-stack expense management application. facilitating effortless expense tracking & management.

bootstrap channels cryptography django html javascript openai python websocket

Last synced: 16 Feb 2026

https://github.com/animo/expo-secure-environment

Expo Module for cryptographic operations using the devices Secure Environment behind biometric authentication.

android biometry cryptography expo ios react-native secure-environments typescript

Last synced: 16 Feb 2026

https://github.com/ocdbytes/giftlist-merkletrees

Alchemy University : Week 2 challenge

blockchain cryptography merkle-proof

Last synced: 11 Apr 2026

https://github.com/tonysamperi/krypto

Modern tree-shakeable TypeScript version of crypto-js

crypto crypto-js crypto-ts cryptography typescript typescript-library

Last synced: 01 Mar 2026

https://github.com/rayniel95/ecdsa-node

My solution to week 1 project of Alchemy University.

alchemy-university blockchain cryptography docker express nextjs react reactjs web3

Last synced: 11 Apr 2026

https://github.com/rayniel95/giftlist

My solution to week 2 project of Alchemy University.

alchemy-university blockchain cryptography docker express nextjs react reactjs web3

Last synced: 06 Mar 2025

https://github.com/virgileba/documents

cryptography

Last synced: 26 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/ianacaburian/generate-key-file

Ports juce_KeyGeneration::generateKeyFile() to node.

auth cmake cpp20 cryptography juce keyfile nodejs npm rsa typescript

Last synced: 15 Mar 2025

https://github.com/girish1729/openssl-cheatsheet

OpenSSL command line toolkit cheatsheet

command-line cryptography openssl

Last synced: 19 Mar 2026

https://github.com/ikcede/js-one-time-pad

A simple one-time pad class built in Javascript

crypto cryptography javascript

Last synced: 29 May 2026

https://github.com/zhongruoyu/sha2

An implementation of the SHA-2 hash algorithms.

cryptography hash sha256 sha512

Last synced: 18 Jun 2026

https://github.com/rmnblm/papers

📄 Published papers.

blockchain cryptography distributed-systems paper science-research

Last synced: 04 Jan 2026

https://github.com/kojibai/receiz_offline_verifier

Public, offline verifier for a receiz.

cryptography deterministic forensics groth16 integrity kai-klok offline offline-proof png receiz sha256 verifier webcrypto zk zk-proofs zk-snarks

Last synced: 10 May 2026

https://github.com/rr-cmd/des_algorithm

Simple Java project for encrypting and decrypting using DES cryptography algorithm

cryptography dataencryptionstandards java

Last synced: 22 Aug 2025

https://github.com/djaler/pymail

cryptography mail

Last synced: 18 Jun 2026

https://github.com/tigeryant/cryptopals-challenges

Solutions to the cryptopals cryptography challenges

coding-challenges cplusplus cryptography cryptopals

Last synced: 16 Jun 2026

https://github.com/abhishekjain12/string-cryptography-method-1

Key Method using JAVA

cryptography java

Last synced: 23 Mar 2025

https://github.com/domamaric/srs

Python solutions for laboratory exercises for Computer Security course at FER.

cryptography cryptography-algorithms password-manager passwords

Last synced: 11 Jun 2026

https://github.com/abhishekjain12/string-cryptography-with-3-different-methods.

1. PitLatin code language 2. Reverse PitLatin code language 3. Key Method

cryptography java string-cryptography

Last synced: 23 Mar 2025

https://github.com/danielost/sp-box

S-box/p-box implementation

block-ciphers cryptography p-box s-box

Last synced: 12 Jul 2025

https://github.com/qrichert/jolokia

Simple, strong encryption.

asymmetric-encryption chacha20-poly1305 cli cryptography hpke rust rust-cli symmetric-encryption

Last synced: 03 Mar 2026

https://github.com/purrproof/merkle-proof-vis

A tool to visualize Merkle trees, generate multi-proofs, and demonstrate the proof application process.

blockchain cryptography ethereum merkle merkle-proof merkle-tree merkletree visualization vizualisation

Last synced: 19 Apr 2026

https://github.com/vobst/ctf-hireme

Solution for NERD's HireMe.c challenge.

cryptography ctf-writeups interview-questions nintendo reverse-engineering

Last synced: 30 Jun 2025

https://github.com/projects-developer/steganography-projects

This project aims to design and develop a steganography system that enables secure and covert communication. Steganography Project Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computer-sceience-projects computerscienceprojects covertcommunication cryptography datasecurity final-year-projects finalyearprojects imageprocessing informationhiding mtechprojects securecommunication steganography textanalysis

Last synced: 04 Jan 2026

https://github.com/kota-yata/rsa

"TextBook" RSA from scratch in TypeScript

cryptography rsa typescript

Last synced: 11 Jun 2026

https://github.com/davidkirwan/number_station

This gem contains a number of utilities to aid in the running of a number station.

cryptography number-station one-time-pad one-time-pad-cipher pseudorandom pseudorandom-number-generator radio

Last synced: 08 Nov 2025

https://github.com/krisarmstrong/enigma-v300

> Complete collection of Enigma V300 option key algorithm implementations

c calculator ci-cd cpp cryptography encryption enigma fluke github-actions nettool network-testing option-keys python

Last synced: 04 Mar 2026

https://github.com/saorsa-labs/saorsa-fec

Core foundational crates for the Saorsa P2P ecosystem: saorsa-types, saorsa-fec (Forward Error Correction), and saorsa-rsps (Reed-Solomon with Proof Systems)

cryptography error-correction fec foundation networking p2p reed-solomon rust types

Last synced: 20 Jan 2026