An open API service indexing awesome lists of open source software.

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.

https://github.com/exploide/ulpcrypt

Implementation of the U-LP Cryptosystem

cryptography cryptography-library

Last synced: 06 Sep 2025

https://github.com/damaged-organic/ravelcast

RavelCast allows to share text messages of any content, completely anonymous, without registration and any clues about users identity.

cryptography css3 html5 javascript php symfony2

Last synced: 17 Mar 2026

https://github.com/smayya337/libcodebusters

Encoding and decoding various ciphers in Python

cipher ciphers cryptography python

Last synced: 12 Mar 2026

https://github.com/sohnryang/ecdsa-python

ECDSA implementation in Python (DO NOT USE IN PRODUCTION)

cryptography ecdsa python

Last synced: 14 Jun 2025

https://github.com/xannythepleb/pycryptx

PyCryptX - an X25519 + Ed25519 + ChaCha20 + BLAKE2b based public key encryption program in Python. This is an unaudited hobby project!

blake2b chacha20 cryptography curve25519 ed25519 encryption-decryption hkdf public-key-cryptography python-encryption python3 x25519

Last synced: 07 Jun 2026

https://github.com/web3pack/base58-check

A modern base58-check encoding library implemented in TypeScript with minimal dependencies for use in browser and Node.js.

base58 base58-check base58check bitcoin checksum crypto cryptography decode decoding encode encoding javascript nodejs typescript web3

Last synced: 13 Apr 2026

https://github.com/octocorvus/broccoli_salsa

Salsa20 stream cipher implementation in Rust.

ciphers cryptography rust

Last synced: 16 Mar 2025

https://github.com/z1ph1us/milksad-mnemonic-generator

This tool generates BIP-39 mnemonic phrases derived from Unix timestamps, exploring the 'Milk Sad' vulnerability's implications (CVE-2023-39910)

bip39 bitcoin bitcoin-wallet blockchain bx cryptocurrency cryptography cve-2023-39910 entropy exploit milk-sad mnemonic-generator multi-language security-tool seed-phrase unix-timestamp vulnerability wallet-security

Last synced: 12 Mar 2026

https://github.com/timjp87/elixir_bls

Wrapper around the Herumi BLS 12-381 Elliptic Curve construction and signature aggregation scheme.

cryptography ecdsa-cryptography ecdsa-signature elixir elixir-lang signatures

Last synced: 30 May 2026

https://github.com/ardatetikbey/ruby-kriptografi-101

Ruby programlama dilinde şifreleme hakkında doküman

cryptography ruby sifreleme

Last synced: 06 Jul 2025

https://github.com/bklockly/shadowmeld

🕶️ 隐蔽Shellcode嵌入与反检测加载器生成框架 / Stealthy Payload Delivery Framework with Anti-EDR Capabilities

bypass-antivirus bypass-av cipher cryptography hacking hide-files image-steganography lsb-steganography security shellcode shellcode-loader

Last synced: 16 Mar 2025

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

Playing around with various python hashing and encoding methods as a learning exercise.

cryptography hash image python python3

Last synced: 16 Mar 2025

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

Secure, centralized transfers with Elliptic Curve Signatures.

crypto cryptography ecdsa elliptic-curve-cryptography elliptic-curves security

Last synced: 29 Oct 2025

https://github.com/magical/keccak

The Keccak hash function (SHA-3)

cryptography

Last synced: 10 Jan 2026

https://github.com/mohamed/pysss

A Python implementation of Shamir's secret sharing algorithm

computer-security cryptography

Last synced: 14 Jan 2026

https://github.com/adiwajshing/simplecrypto

All coding work done for Ashoka University CS-2362

aes cryptography curve elgamal sign-verification signing verification

Last synced: 28 Feb 2025

https://github.com/guppster/languageneutralitybiowearablequantumsearcher

Utilities advanced cryptography to analyze biodegradable quantum mechanics inside an active-reactive cross-platform blockchain environment

blockchain cryptography quantum-computing reactive-programming wearable

Last synced: 01 Mar 2025

https://github.com/frederickjansen/subtle-sodium

An implementation of various SubtleCrypto functions using the same API as libsodium.js

cryptography libsodium subtlecrypto

Last synced: 17 Mar 2025

https://github.com/dag0310/otp-crypto

Pseudo one-time pad crypto library for plaintext data exchange.

crypto cryptography encryption key library one-time-pad otp perfect-secrecy random xor

Last synced: 18 Jan 2026

https://github.com/forentfraps/acpkm-kuznechik-rust

Acpkm kuznechik implementation in RUST

acpkm cryptography kuznechik rust

Last synced: 05 Oct 2025

https://github.com/sean9999/go-oracle

A package that provides basic high-level cryptographic functions using Curve25519

awesome cli cryptography go

Last synced: 14 Jan 2026

https://github.com/elamani-drawing/huffmanrs

Huffmanrs est une bibliothèque Rust permettant d'encoder et de décoder du texte en utilisant le codage de Huffman.

compression crates-io cryptography encodage encoding huffman huffman-coding huffman-compression-algorithm rust rust-lang

Last synced: 07 Oct 2025

https://github.com/humanjavaenterprises/nostr-crypto-utils

The nostr-crypto-utils repository provides a suite of cryptographic tools tailored for the Nostr protocol, facilitating secure key management, event signing, and encryption functionalities for developers building Nostr applications.

cryptography data-encryption decentralized-protocols digital-signatures elliptic-curve-cryptography event-signing key-management nostr public-key-infrastructure secure-communication

Last synced: 21 Jan 2026

https://github.com/ahmed-naserelden/cryptographic-algorithms

The "Cryptographic Algorithms Implementation in C#" project is a comprehensive repository that provides implementations of various cryptographic algorithms, designed to enhance data security. Each algorithm is meticulously crafted in C# and thoroughly documented within the codebase, enabling easy understanding and usage.

cryptoanalysis cryptoanalysis-algorithms cryptography network-security security

Last synced: 07 Oct 2025

https://github.com/mrdecryptdecipher/pow-based-blockchain

A SIMPLE PROOF OF WORK BASED BLOCKCHAIN WHICH USES HASHING FEATURE TO HASH INPUT, IT ALSO HAS A GENESIS BLOCK AND OTHER NECESSARY FILES TO CREATE POW ALGORITHM

bitcoin blockchain blockchain-technology consensus-algorithm cryptography decentralized dlt proof-of-work

Last synced: 12 Mar 2026

https://github.com/bok1c4/pgpkeytypedetector

This includes RSA and ECC cryptographic algorithms

cryptography go pgp

Last synced: 08 Oct 2025

https://github.com/ericlagergren/ocb3

OCB3 - Offset Codebook Mode

cryptography ocb ocb3

Last synced: 14 Jan 2026

https://github.com/edeckers/lib1password-unofficial

Educational TypeScript implementation of 1Password's security model with interactive explainer. Covers Secret Key generation, PBKDF2 key derivation, and AES-256-GCM vault encryption

1password aes-256 cryptography educational encryption interactive-demo password-manager pbkdf2 pet-project security srp typescript web-crypto

Last synced: 28 Feb 2026

https://github.com/thefish/gogost

Cypherpunks.ru gogost mirror

cryptography encryption-algorithms gost russian

Last synced: 14 Jan 2026

https://github.com/kn0sys/qfe

qualitative frame entanglement - an experimental protocol for quantum-secure communication

ai cryptography pqc quantum-cryptography

Last synced: 23 Feb 2026

https://github.com/lynkos/high-school-code

Archive containing my code for competitive programming problems during high school.

ap-computer-science ap-computer-science-a competitive-programming cryptography ctf ctf-solutions ctf-writeups eclipse gui java reverse-engineering

Last synced: 10 Oct 2025

https://github.com/minhngt62/cryptography-vigenere

A simulation for vigenere cipher and its attacking methods

cryptanalysis cryptography kasiski-examination python vigenere-cipher

Last synced: 10 Oct 2025

https://github.com/keeplist-io/keeplist-tpif

A thesis proposing a Tiered Privacy Framework to combat disinformation and enhance trust on the modern internet

amplification blockchain cryptography decentralized disinformation identity privacy social-media transparency verification

Last synced: 23 Feb 2026

https://github.com/projects-developer/fake-news-detection-using-machine-learning-project

Live Fake news detection refers to the process of identifying and flagging false or misleading informion presented as news. Live Fake news detection using machine learning. Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

blockchain btech-project computer-science-projects computerscienceprojects cryptography fakenewsdetection final-year-projects finalyearproject finalyearprojects iee-projects machinelearning major-project minor-project mtech-project webdevelopment

Last synced: 17 Feb 2026

https://github.com/blester125/kasiski_examination

Kasiski Examination written to break a Vigenere Cipher for CS 1653 includes a C Red-Black tree impelmenatation

cryptography kasiski-examination red-black-tree

Last synced: 21 Jan 2026

https://github.com/uttambodara/Awesome-Hacking-Learning-Path

A comprehensive hacking learning path covering Pentesting, OSINT, Linux, Networking, Web Application Security, Cryptography, Exploitation, Reverse Engineering, Forensics, CVEs, and CTF challenges. Perfect for beginners and professionals to master ethical hacking, penetration testing, and cybersecurity step by step. 🚀

bug-bounty cryptography ctf cybersecurity-learning-path ethical-hacking hacking hackthebox linux metasploit networking osint penetration-testing privilege-escalation reverse-engineering tryhackme web-application-security

Last synced: 14 Apr 2026

https://github.com/symphonyprotocol/p2p

Decentralized P2P networking framework

cryptography golang network p2p

Last synced: 14 Jan 2026

https://github.com/onlyf0ur/pq-msg

Pure Rust abstractions for higher-level implementations of post-quantum cryptography in secure messaging protocols.

cryptography encryption key-exchange messaging nist-pqc post-quantum-cryptography

Last synced: 23 Feb 2026

https://github.com/myndscript/qalx

Quantum Level Security

algorithms cryptography

Last synced: 14 Jan 2026

https://github.com/fullscreen-triangle/mzekezeke

Zero-cost multi-dimensional environmental cryptography framework that transforms communication security from computational complexity to physics-based guarantees

cryptography encryption-algorithms encryption-decryption

Last synced: 12 Oct 2025

https://github.com/arachsys/ssh-x25519

Map ssh-ed25519 keys into x25519 keys

crypto cryptography ed25519 golang ssh x25519

Last synced: 14 Jan 2026

https://github.com/aead/sio

Go implementation of the Data At Rest Encryption (DARE) format.

cli cryptography encryption

Last synced: 14 Jan 2026

https://github.com/nobleknightt/gravityfalls

Implementation of Famous Ancient Ciphers and Encryption Techniques

ciphers cryptography morse-code python

Last synced: 14 Dec 2025

https://github.com/alexfariakof/easycryptosalt

Biblioteca simples e eficiente para operações criptográficas em .NET. Usando o algoritmo SHA-256, juntamente com a capacidade de comparar hashes utilizando uma chave e um salt.

codeql cryptography cryptography-algorithms csharp dotnet dotnet-core gitactions-workflow githubpackages nuget-package reportgenerator salt sha256-crypt singleton-pattern sonarcloud xunit xunit-tests

Last synced: 21 Jan 2026

https://github.com/anubhav-narayan/pkns

Public Key Name System Framework for Key Exchange in Peer-To-Peer and centralised servers.

cryptography key-exchange peer-to-peer public-key-cryptography python-3 python3-framework web-service

Last synced: 19 Jan 2026

https://github.com/bahanix/chatchan

End-to-end encrypted chat in your browser

chat cryptography end-to-end web-app

Last synced: 13 Oct 2025

https://github.com/Lemniscate-world/Noun

Build my own blockchain based on TOR protocol

anonimity blockchain cryptography proof-of-stake security tor

Last synced: 13 Oct 2025

https://github.com/chainsafe/pairings-js

Elliptic Curve Pairings in Pure Javascript

cryptography elliptic-curves javascript pairings

Last synced: 13 Oct 2025

https://github.com/th0rgal/cryptohack

What I use for cryptohack

cryptography maths

Last synced: 14 Oct 2025

https://github.com/crane-valley/kylix

A post-quantum cryptography library implementing NIST FIPS standards in pure Rust.

cryptography dilithium fips-203 fips-204 fips-205 kyber lattice-cryptography ml-dsa ml-kem no-std post-quantum pqc rust security slh-dsa

Last synced: 28 Jan 2026

https://github.com/bwesterb/go-exptable

Speed up modular exponentiation of Go's big.Int's using precomputed tables

cryptography go golang modular-exponentiation precomputed-table

Last synced: 17 Oct 2025

https://github.com/talha-1010/des-algorithm

A symmetric-key algorithm for the encryption of digital data.

cpp cryptography datastructures des-algorithm encryption-decryption template-specialisations

Last synced: 18 Oct 2025

https://github.com/pushpendra-1697/wedsurf

This React onboarding project includes pages for login, signup, home, and profile functionalities, catering to user authentication and navigation, facilitating a seamless design experience. The user will be blocked for the next 24 hours after putting 5 times wrong password at the time of token-based login.

axios bcrypt chakra-ui cryptography expressjs jsonwebtoken jwt-decode mongodb mongoose nodejs otp-authentication react-components react-hooks react-icons react-router-dom react-slideshow-image reactjs responsive-design token-based-authentication twilio

Last synced: 02 Apr 2026

https://github.com/jalaj711/gocrypto

Cryptography module for golang with support for DES, 3DES, and AES in ECB, CBC, CFB and OFB modes. Also supports SHA512 hashing algortihm.

aes block-cipher cryptography des tripledes

Last synced: 19 Oct 2025

https://github.com/amr-yasser226/datagovernanceworkflow

Comprehensive data governance pipeline for SSH honeypot logs—covering data profiling, cleansing, quality assurance, encryption, classification, and GDPR/CCPA/HIPAA compliance. Built with Pandas, Pandera, YData Profiling, and cryptography, with simulated Caesar cipher attacks to demonstrate practical data-security techniques.

caesar-cipher ccpa cryptography cybersecurity data-cleaning data-encryption data-governance data-profiling data-quality data-validation data-visualization gdpr hipaa honeypot-analysis open-source pandas privacy-compliance python ssh-logs

Last synced: 05 Feb 2026

https://github.com/rohith-2/cryptographic_blockchain

Simulating Blockchain with mining and peer verification

blockchain cryptography mining sha-256

Last synced: 23 Jan 2026

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

Steganography is the practice of hiding secret information within a non-secret message, image, or other medium. Steganography Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computerscienceprojects cryptography cybersecurity dataencryption datahiding digitalforensics informationsecurity mtechprojects secretcommunication steganalysis steganography steganography-project

Last synced: 06 Feb 2026

https://github.com/enjeck/cryptoalgovisualizer

Visualizations of various cryptography algorithms

algorithms cryptography visualization

Last synced: 24 Oct 2025

https://github.com/microchip-pic-avr-examples/dspic33a-crypto-accelerator-module

These MPLAB® X IDE demo projects showcase applications built with the Crypto Library which leverages the pre-compiled Crypto Accelerator Module (CAM) Hardware Driver to demonstrate various cryptographic algorithms supported by the CAM

aes cam cryptographic-accelerator-module cryptographic-standard cryptography ecdh ecdsa hash trng

Last synced: 23 Jan 2026

https://github.com/outspace/vigdec

vigdec aka heartbreaker – tool that breaks Vigenère cipher without knowing the key.

breaker cryptography decryption decryptor substitution-cipher vigenere vigenere-cipher vigenere-cipher-algorithm vigenere-decoder

Last synced: 25 Oct 2025

https://github.com/iboudhaine/rsa-encryption-and-in-practice

Implementation and exploration of RSA encryption, including its security properties, practical applications, and real-world use cases. A class project to learn and experiment with cryptographic principles

cryptographic-algorithms cryptography cryptography-project encryption python rsa secure-communication security

Last synced: 25 Oct 2025

https://github.com/karasz/securelog

Forward-secure Go library for tamper-evident audit logs, implementing Ma–Tsudik’s dual-MAC private-verifiable scheme.

audit-logging compliance cryptography forward-security golang log-integrity secure-logging tamper-detection

Last synced: 26 Oct 2025

https://github.com/ul-mds/pprl

Collection of software packages for performing privacy-preserving record linkage based on Bloom filters

cryptography privacy python record-linkage

Last synced: 28 Jan 2026

https://github.com/lgraubner/strong-pwgen-cli

🔒Generate cryptographically strong passwords.

cli crypto cryptography password password-generator

Last synced: 27 Oct 2025

https://github.com/harsh-ps-2003/haikyu

A Bitcoin miner simulation

bitcoin cryptography sqlite

Last synced: 25 Feb 2026

https://github.com/phayes/decryptpem

Decrypts encrypted PEM files and blocks. Provides (optional) TTY prompt for input for password.

crypto cryptography decrypt dek golang password pem

Last synced: 24 Jan 2026

https://github.com/crane-valley/kylix-cli

A command-line interface for Kylix, a post-quantum cryptography library implementing NIST FIPS standards in Rust.

cli command-line cryptography digital-signatures fips-203 fips-204 fips-205 key-generation ml-dsa ml-kem post-quantum pqc rust slh-dsa

Last synced: 28 Jan 2026

https://github.com/arkorty/rustcm-cli

UTF-8 Text Cipher using XChaCha20-Poly1305

chacha20-poly1305 cli cryptography rust

Last synced: 24 Jan 2026

https://github.com/confy-security/confy-addons

Implementation of symmetric and asymmetric encryption with AES and RSA algorithms for client applications of the Confy communication system

aes base64 confy cryptography decryption encryption privacy rsa security

Last synced: 28 Jan 2026

https://github.com/umstek/enigma

A generalized software model of the Enigma electro-mechanical rotor cipher machines used by Germans in WWII.

cryptography enigma visual-basic world-war2

Last synced: 30 Jan 2026

https://github.com/dualeai/hpke-http

End-to-end encryption for HTTP APIs using RFC 9180 HPKE. Drop-in middleware for FastAPI, aiohttp, and httpx.

aiohttp chacha20 cryptography e2e encryption fastapi hpke http rfc9180 sse streaming x25519

Last synced: 06 Feb 2026

https://github.com/tom474/cryptography-comparative-analysis

[RMIT 2024C] COSC2539 - Security in Computing and IT - Analytical Security Report

asymmetric cryptography hashing security symmetric

Last synced: 07 May 2026

https://github.com/yashsahsani/kame-hameha

This project explains how to use symmetric and asymmetric cryptographic methods simultaneously.

cryptography kame-hameha malware malware-analysis psexec python python3 ransomeware red-team ssh worm

Last synced: 15 Jun 2026

https://github.com/rahmatagungj/toke-dev

This for Development TOKE SYSTEM

cryptography encryption

Last synced: 15 Jun 2026

https://github.com/ash-2k3/ooni-chainwatch

A python script to extract certificate chains from OONI web connectivity measurements and submit them to a Let's Encrypt Certificate Transparency (CT) log. This aids in monitoring and auditing the certificates used on the web, contributing to internet transparency efforts.

certificate-transparency cryptography python s3-buckets x509certificates

Last synced: 10 Jun 2026

https://github.com/parassalunke/stega-shield

Stega-Shield is a modern web application that lets you hide secret messages within images using steganography and encryption. Built with React and TailwindCSS, it provides a secure and user-friendly way to encode and decode hidden messages.

cryptography cybersecurity javascript react steganography tailwindcss vite

Last synced: 25 Feb 2026

https://github.com/retr0kr0dy/ghostschat

Chat and file transfer securely, 🛡️ embrace anonymity, and unleash your inner cyber ninja! 🥷💻💾

aes annonymized chat coding cryptography development file-transfer python rsa secured-communication security

Last synced: 16 Jun 2026

https://github.com/ashishgopalhattimare/stickynotesfx

A synchronised Sticky Note between desktop and android platform via Google FIrebase

android-application cryptography desktop-application firebase-database java-8 javafx synchronization ux-design

Last synced: 07 May 2026

https://github.com/shgysk8zer0/phpcrypt

Provides a variety of cryptographic traits and classes to PHP

aes aes256 cryptography jscrypt php php-7 phpcrypt rsa spl-autoload traits

Last synced: 01 Apr 2026

https://github.com/netesf13d/py-ecc

Python implementation of elliptic curve cryptography

cryptanalysis cryptography elliptic-curve-cryptography

Last synced: 17 Jun 2026

https://github.com/nandanr06/full-stack-cryptocurrency

Cryptocurrency Tracker is a real-time app for monitoring cryptocurrency prices, market trends, and historical data. Powered by the CoinGecko API, Node.js, Express, and React, it allows users to view live market updates, explore trending coins, and analyze price histories with interactive charts—all in a responsive, user-friendly interface.

bitcoin cryptocurrency cryptography marketplace

Last synced: 17 Apr 2026

https://github.com/diogoperei29/x.509-cert-verifier

A small project for loading and verifying X.509 certificate chains against a local trust store using the OpenSSL library.

c certificate certificates cmake cpp cpp17 cryptography icmp openssl python python3 raii scripting testing verification x509

Last synced: 07 May 2026