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/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/viveksyngh/merkletree

Merkle hash tree implementation in golang

cryptography golang merkle-proof merkle-tree

Last synced: 12 May 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/cepdnaclk/e16-4yp-implementation-of-lightweight-cryptographic-algorithms

This project aims to implement and analyse NIST Lightweight cryptography competition finalist algorithms. Lightweight cryptographic algorithms are designed to be run on resource-constrained IoT devices.

computer-security cryptography iot

Last synced: 14 May 2026

https://github.com/ar-io/ar-io-mlflow

MLflow plugin for verifiable ML provenance, anchored to ar.io

ar-io arweave cryptography mlflow mlops provenance verification

Last synced: 13 Jun 2026

https://github.com/masato-ro/kitana_cryptool

A versatile, cross-platform cryptographic utility built with C++, FLTK, and OpenSSL. Features include AES encryption, RSA key generation, password generation, and hash matrix verification.

aes-encryption cpp cross-platform cryptography fltk hashing openssl password-generator rsa-keys security

Last synced: 14 Jun 2026

https://github.com/bokelleher/sesame-sdk

Portable SDK and conformance vectors for SESAME, the proposed SCTE 130-9 security layer for the ESAM interface: HMAC auth, channel-scoped authorization, and AES-256-GCM payload encryption over HTTP headers.

ad-insertion aes-gcm authentication cryptography esam hmac rust scte scte-130 sesame

Last synced: 15 Jun 2026

https://github.com/pedroalbanese/leacrypt

TTAK.KO-12.0223 Lightweight Encryption Algorithm (ISO/IEC 29192-2:2019) with Galois/Counter Mode (LEA-GCM)

aead cryptography golang lea symmetric-encryption

Last synced: 16 Jun 2026

https://github.com/farchanjo/merkle

Local-first MCP vault for Claude Code — LLMs hold opaque handles, operators approve every reveal, every access leaves a BLAKE3 hash. Rust 2024 / DDD + Hexagonal.

argon2id audit-log blake3 claude-code cryptography ddd ed25519 hexagonal-architecture local-first mcp model-context-protocol rust rust-2024 secrets secrets-management security spec-driven-development sqlite vault xchacha20-poly1305

Last synced: 17 Jun 2026

https://github.com/techatlasdev/cryptorot

🎲 Un sistema enfocado en el cifrado simétrico, encargado de poder convertir un conjunto de palabras legibles, en un conjunto de caracteres que no tienen coherencia pero si relación en función a sus llaves.

algorithm cli cryptography path python rot rot13 rot13-cipher rot13-decoder rotation

Last synced: 17 Jun 2026

https://github.com/mechiuw/java_cryptography-algorithm

This is a basic algorithm for encryptions and decryptions using handmade algorithm logic using java.

basic-algorithms basic-programming caesar-cipher cipher-algorithms ciphers cryptography scripts

Last synced: 19 Jun 2026

https://github.com/lesnyrumcajs/matasanocpp

Matasano Crypto Challenge using C++

cpp cryptography cryptopals-challenges google-test

Last synced: 19 Jun 2026

https://github.com/edycutjong/synod

🏛️ Atomic multi-agent transactional orchestration engine running inside Intel TDX TEE boundary with 100% cryptographic rollback guarantees, powered by Terminal 3 ADK.

cryptography governance hackathon intel-tdx multi-agent nextjs react secp256k1 tee terminal3 wasm

Last synced: 21 Jun 2026

https://github.com/edycutjong/epoch

⏳ Verifiable, privacy-blind inheritance and continuity orchestration inside hardware-isolated enclaves.

cryptography dead-mans-switch intel-tdx nextjs rust tee webassembly

Last synced: 21 Jun 2026

https://github.com/stevemats/hashgenerator

The how to generate hashes using hashlib module in python.

cryptography hashlib hashlib-library python

Last synced: 22 Jun 2026

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/mokkunsuzuki-code/stage355

Stage355: Signature Key Status Verification and Revocation Enforcement Layer with signing-time validity checks, Stage354 ledger binding, fail-closed revoked-key rejection, and PQC intent-only protection.

audit cryptography cybersecurity ed25519 evidence fail-closed gpg key-revocation key-rotation key-status ledger ml-dsa pqc qsp signature-verification sigstore supply-chain-security transparency trust verification

Last synced: 23 Jun 2026

https://github.com/larueli/rsanf05utt

Chiffrement RSA en C dans le cadre d'un cours à l'UTT, école publique d'ingénieurs

c cryptography doxygen mathematics rsa utt

Last synced: 24 Jun 2026

https://github.com/bastipnt/passmgr

Zero-knowledge password manager — cross-platform web + mobile, TypeScript monorepo. Early prototype.

bun cryptography drizzle-orm e2ee end-to-end-encryption expo fastify monorepo opaque pake password-manager react react-native self-hosted tailwindcss trpc turborepo typescript zero-knowledge

Last synced: 24 Jun 2026

https://github.com/onlyf0ur/pqc-zig

Post-Quantum Cryptography for Zig

cryptography post-quantum-cryptography pqc pqcrypto

Last synced: 16 May 2025

https://github.com/piotrpsz/crypto

Implementation of encryption algorithms in c++17

3-way blowfish cpp17 cryptography gost

Last synced: 17 May 2025

https://github.com/sebastiaan-gouman/ceasar_cypher

Simple Ceasar Cypher tool to encrypt, decrypt and brute force Ceasar's Cypher.

cryptography cybersecurity

Last synced: 23 Mar 2025

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

:satellite: P2P Chat Rest Server Tracker

cryptography heroku hug p2p-chat python rest-api tracker-server

Last synced: 15 Mar 2025

https://github.com/ztgx/rippled-rs

A simplest customizable blockchain

algorithms cryptography ed25519 rippled secp256k1 signing substrate

Last synced: 30 Oct 2025

https://github.com/knightchaser/sha256

A simple C++ based SHA256 hashing algorithm implementation

cryptography hashing sha256 sha256-hash

Last synced: 23 Mar 2025

https://github.com/r1b/md5

[WIP] The MD5 Message-Digest Algorithm

cryptography r6rs racket scheme

Last synced: 21 Jan 2026

https://github.com/andrenevesgomes/criptografia

No âmbito da disciplina de Criptografia foi-nos requisitado a realização de um trabalho de grupo centrado na realização de um algoritmo de encriptação de forma a refletir todo o conhecimento adquirido ao longo das aulas realizadas.

cryptography istec school-project scytale-cipher

Last synced: 09 Mar 2025

https://github.com/redik2/binary-cryptography

Простая шифровка файлов через побитовый XOR

cryptography python python3

Last synced: 24 Mar 2025

https://github.com/anistark/cryptography

Cryptography Functions Visual

cryptography hash javascript

Last synced: 31 Mar 2025

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/daleroberts/asd-coin

Playing with the ASD Commemorative Coin

cryptography

Last synced: 05 Jan 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/magical/gimli

Go implementation of http://gimli.cr.yp.to/

cryptography

Last synced: 24 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/argenox/noxtls-rs

NoxTLS Rust is a lightweight, high-performance embedded TLS library written in Rust and designed for secure communication in resource-constrained systems. Built for efficiency, portability, and modern security standards.

cipher-algorithms cipher-suit cryptography cryptography-api dtls openssl-alternative rust rust-library tls tls12 tls13

Last synced: 28 May 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/parisaalizadeh2003/cryptography-tool

A Python-based tool for file encryption and decryption using a custom cipher and wxPython for GUI.

cryptography encription python security-tools wxpython

Last synced: 12 Apr 2025

https://github.com/fordcois/cryptography

This repository is a documentation of my exploration of cryptography, focusing on creating and cracking ciphers

cryptography

Last synced: 02 Jul 2025

https://github.com/lasse-tom-lang/python-cryptographie

Program for en- and decrypt messages

cryptography pysimplegui python steganography

Last synced: 31 Mar 2025

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/midnight-wonderer/embedded-xoodyak

Lightweight, zero-allocation Xoodyak cryptographic scheme in C for microcontrollers.

c-library cortex-m cryptography embedded esp8266 microcontroller xoodoo xoodyak

Last synced: 28 May 2026

https://github.com/phenomsg/password-manager

It is a Python password manager using Fernet encryption. It securely stores and manages passwords, ensuring confidentiality and convenience for users.

cryptography decryption encryption fernet python

Last synced: 28 Dec 2025

https://github.com/losthopes/secured-accounts-lab

Lab for Security of programs and Data course

auth cryptography labs

Last synced: 14 Mar 2025

https://github.com/joe-degs/digcoin

How i think bitcoin works in a way... I don't really know what I'm doing. But it feels good.

cryptocurrency cryptography distributed-systems golang

Last synced: 11 Jun 2025

https://github.com/uofsc-fall-2022-math-587-001/homework8

A bit about distribution of primes and Pollard's p-1 test

cryptography go latex math pollard-p-1 prime-numbers

Last synced: 29 Apr 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/kyrylr/distributedlab

Solutions to the exercises of the Distributed Lab

cryptography hash-algorithms

Last synced: 07 Apr 2025

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

Alchemy University : Week 2 challenge

blockchain cryptography merkle-proof

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/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/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/juanfkurucz/proyecto-seguridad

Subject "Seguridad" (Security) from Universidad Catolica del Uruguay

cryptography hashing python security

Last synced: 24 Mar 2025

https://github.com/hsson/ring

Automated rotation of RSA signing keys

cryptography key-rotation rsa

Last synced: 18 Mar 2025

https://github.com/shaina-gh/dss

Java implementation of the Digital Signature Standard (DSS) for message integrity and authenticity verification.

cryptography cryptography-algorithms digital-signature-algorithm digital-signature-authentication dss java signature-verification

Last synced: 22 Apr 2025

https://github.com/t-bast/black-mango

An IBE implementation using Akka

akka cryptography

Last synced: 27 Feb 2025

https://github.com/daisvke/dcrypt

dcrypt is a file encryption/decryption tool that adds a custom header to encrypted files, storing essential metadata for decryption and management of the encrypted content.

aes-128-cbc c cryptography encryption-decryption keygen

Last synced: 25 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/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/salrashid123/ocicrypt-tpm-keyprovider

OCICrypt provider for Trusted Platform Modules (TPM)

cncf containers cryptography encryption oci trusted-platform-module

Last synced: 16 Mar 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/acifani/cryptopals-challenges

🔒 Personal take on the cryptopals crypto challenges, in Go

cryptography cryptopals-challenges go golang

Last synced: 14 Feb 2026

https://github.com/hungrybluedev/python-basic-cryptography

Implemenation of basic Cryptography techniques and algorithms, along with tools useful for analysis.

algorithm cryptography python3

Last synced: 08 Apr 2025

https://github.com/advaith7joshi/project-nexus

Simplified demonstration of blockchain workflow

blockchain blockchain-technology crypto cryptocurrency cryptography finance

Last synced: 12 Jun 2025

https://github.com/a-s-russo/eleventh-hour-mystery

Decipher the paragraph of ciphertext in 'The Eleventh Hour: A Curious Mystery' by Graeme Base at the end of the book using a Caesar cipher

caesar-cipher cryptography

Last synced: 29 May 2026

https://github.com/radriann21/passify

an password generator that allows to the user generate based on the options and copy the password

chakraui cryptography nextjs typescript zustand

Last synced: 12 Apr 2026

https://github.com/viral32111/scrambler

A program to hide & protect messages for enhanced privacy.

c cipher cryptography encryption

Last synced: 09 Apr 2025

https://github.com/aws/amazon-s3-encryption-client-python

Client-side encryption for S3 using the boto3 SDK

aws aws-s3 boto3 client-side-encryption cryptography s3

Last synced: 29 May 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/dheurtev/cryptopyutils

A high-level Python3 cryptography library using cryptography

administration cryptography development python python-3 python3

Last synced: 23 Apr 2025

https://github.com/1limxapp/react-native-chacha20-poly1305

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

256-bit aes android chacha20 chacha20-poly1305 chacha20poly1305 cihper cipher-algorithms cross-platform cryptography encryption encryption-algorithms ios javascript react react-native typescript

Last synced: 21 Feb 2026

https://github.com/yeshan333/python-cryptography-coding

Classic encryption algorithm: Python implementation

cryptography python

Last synced: 21 Mar 2025

https://github.com/inanepain/id-forge

A lightweight, versatile PHP library for generating and encoding unique identifiers. It supports base32, base58, base64, nanoid, snowflakeid, uuid, and ulid, providing fast, secure, and flexible solutions for ID generation and encoding in modern applications.

base32 base58 base64 cryptography encoding id-forge id-generation inanepain library nanoid php snowflakeid ulid unique-identifier uuid

Last synced: 14 Jan 2026

https://github.com/pieroboseta/filenfile

filenfile is a Python application that securely hides and extracts files and folders within a main file of your choice using encryption and compression techniques, providing a simple and efficient way to store sensitive data discreetly.

compression cryptography data-hiding data-security file-archiving file-encryption file-security hidden-files hide lzma-compression metadata-encryption python-application python-gui python-script secure-storage tkinter

Last synced: 01 Apr 2025