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/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/systemslibrarian/crypto-lab-bitcoin-wallet

Browser-based Bitcoin wallet demo — real secp256k1 address derivation (P2PKH + P2WPKH), BIP-39 seed phrases, BIP-32 HD wallets. Validated against the official BIP test vectors. For learning, never real funds

address-derivation base58check bech32 bip32 bip39 bip44 bitcoin crypto-lab cryptography hash160 hd-wallet mnemonic secp256k1 seed-phrase

Last synced: 09 Jun 2026

https://github.com/systemslibrarian/structureless-labs

Open research lab for conservative post-quantum cryptography — three-depth explainers (Simple/Developer/Researcher), the sl-researchkit method, reproducible attacks, and an experimental KEM studied with it. For production, use ML-KEM.

accessibility cryptography cryptography-research explainable lattice-cryptography learning-with-errors ml-kem open-research post-quantum-cryptography pqc

Last synced: 09 Jun 2026

https://github.com/romanian-solana-developer-program-c3/c3_comets_balea_lorena

This is a learning project for Comets of Web3's First Romanian Solana Developer Program.

anchor cryptography nfts rust solana tokens typescript web3

Last synced: 06 May 2026

https://github.com/shazeus/hashcrack

Hash identification and lookup tool for CTF and security research

cli cryptography ctf hash-cracking hashing md5 password-cracking pentesting python reverse-hash security sha256

Last synced: 09 Jun 2026

https://github.com/selvam-18/riverside-hospitals

Final Sem project in the field of Cyber Security

aes-256 cryptography ejs javascript medical-field npm rsa

Last synced: 06 May 2026

https://github.com/alfahami/landcertificate

An admin/client land certficate requester application built on top of Hyperledger where clients request a land certificate to a land conserver(admin) who will deliver the certificate.

blockchain-technology blockhain cluster cryptography dapps hyperledger hyperledger-fabric land landmanagement mongodb mongodb-database nodejs qrcode wallet

Last synced: 06 May 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/usman619/info-security

Some attacks that are possible on encryption techniques.

cryptography encryption encryption-decryption rsa

Last synced: 10 Jun 2026

https://github.com/basedwon/crpdo

A unified cryptographic library integrating diverse modules to provide robust and versatile cryptographic solutions for Node.js and the browser.

cryptography encryption hashing tweetnacl

Last synced: 29 Aug 2025

https://github.com/tchello45/nimbus-encryption

An e2ee toolkit for the web in early stage development

cryptography rust wasm

Last synced: 08 May 2026

https://github.com/hemanthh17/da-1-crytograghy-vit

Digital Assignment for Crytography and Network Security Assignment

cryptography flask python3 vignere-cipher

Last synced: 08 May 2026

https://github.com/vallshmeleff/radiorandgentwo

A mock-up of a Java application that uses an Internet radio digital stream to encrypt SMS messages with Vernam's code. Works

cryptography

Last synced: 23 Jun 2026

https://github.com/aditya-giri/cryptopals

My solutions to the Matasano Challenges in Cryptography.

cryptography cryptopals matasano matasano-cryptopals-challenges

Last synced: 19 Sep 2025

https://github.com/platocrat/uiuc_token

The official token/cryptocurrency of The University of Illinois at Urbana-Champaign.

blockchain cryptocurrency cryptography ethereum smart-contracts solidity token truffle-framework uiuc

Last synced: 09 May 2026

https://github.com/lepresk/pki-infrastructure

Three-tier PKI in Node.js — Root CA, Intermediate CA, signing certificates, chain verification, and document signing

certificate-authority cryptography nodejs pki typescript x509

Last synced: 16 Jun 2026

https://github.com/mrchristensen/aes

Simple Advanced Encryption Standard (AES) implementation that can generate 128, 192, and 256 bit keys.

aes-encryption computer-security cryptography

Last synced: 26 Aug 2025

https://github.com/shurlinet/go-slip39

Constant-time SLIP-0039 Shamir's Secret Sharing for Go. Bitsliced GF(256), memory zeroing, zero data-dependent branches.

bitsliced constant-time cryptography gf256 go golang mit-license mnemonic secret-sharing security seed-backup shamir slip-0039 slip39 threshold-cryptography

Last synced: 29 Jun 2026

https://github.com/pythoncoderunicorn/simplersa

a simple Python program to learn how RSA cryptography works

cryptography python3 rsa

Last synced: 24 Aug 2025

https://github.com/thor314/cryptography

cryptographic projects I've worked on

cryptography

Last synced: 12 Jan 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/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/elliotwutingfeng/secret_broadcast

Send encrypted webcam snapshots over Telegram to specific users.

cryptography fernet telegram webcam

Last synced: 20 Oct 2025

https://github.com/guilt/gsum

gsum is a versatile command-line hashing tool written in Go, supporting a wide range of cryptographic and non-cryptographic hash algorithms. It offers advanced features like incremental hashing, GPG signing/verification, progress bars, and compatibility with existing Unix and Windows environments.

chatgpt checksum cryptography defense-methods golang grok gsum hashing incremental range utility verification

Last synced: 09 Oct 2025

https://github.com/dbalan/cryptopals

Cryptopals solutions

cryptography go golang

Last synced: 13 Mar 2026

https://github.com/fabiocolacio/crypt

Easily encrypt and decrypt files from cli or scripts

cryptography

Last synced: 09 Oct 2025

https://github.com/kzorin52/nistp256

Rust dylib wrapper to RustCrypto/elliptic-curves [only keypair]

crypto cryptography elliptic-curves keypairs nistp256 perfomance secp256r1

Last synced: 08 Oct 2025

https://github.com/vveiln/crypto

Implementations of some crypto attacks

attack crypto crypto-attacks cryptography golang rsa

Last synced: 14 Jan 2026

https://github.com/seniorbatleo/cryptocart

Secure chat software for your computer.

chat cryptocart cryptography messaging secure security

Last synced: 24 Jun 2026

https://github.com/robertoaleman/ra-ultimate-cipher-analyzer

RA Ultimate Cipher Analyzer is a web-based tool designed to analyze encrypted files and suggest the encryption algorithm used based on statistical properties and known patterns.

aes aes-128 aes-256 aes-encryption algorithms code-analysis cryptography cypher rsa rsa-cryptography rsa-decryption rsa-encryption

Last synced: 18 Feb 2026

https://github.com/juanpinheirofiap/faceid

Aplicativo de reconhecimento facial com Oracle Database, DeepFace e OpenCV para autenticação via FaceID.

cryptography embeddings opencv oracle-database pyhton

Last synced: 12 Oct 2025

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: 12 Oct 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/thecolonycc/attestation-envelope-spec

Cross-platform attestation envelope spec for agent-native claims. Pointer-based evidence, custodian-signed coverage metadata, sigchain over a typed witnessed claim.

agent-identity agent-security ai-agents attestation colony cryptography ed25519 json-schema provenance specification thecolony verifiable-credentials

Last synced: 24 Jun 2026

https://github.com/bmoneill/enigma

Enigma machine simulator and Bombe

cipher cli cryptography enigma enigma-machine history

Last synced: 12 Oct 2025

https://github.com/kaushalag29/cryptography

Basic Cipher Codes With Python.Deals With Encryption and Decryption.

books cryptography python-script python2-7

Last synced: 26 Oct 2025

https://github.com/robertmcatee/saigo

a simple encryption toolkit written in Go

cryptography encryption

Last synced: 14 Jan 2026

https://github.com/greysquirr3l/shadowforge

Production-grade quantum-resistant steganography toolkit in Go. Implements 7 image/audio/text techniques, Kyber-1024 and Dilithium3, Reed-Solomon error correction, and 4 distribution patterns via a full CLI, following Clean Architecture (DDD + CQRS).

audio-processing clean-architecture cli cqrs cryptography ddd dilithium go image-processing kyber post-quantum-cryptography pqc reed-solomon security steganography

Last synced: 19 Jan 2026

https://github.com/kevin-doolaeghe/se2a4_s8_tim

SE2A4 | Semestre n°8 - TP TIM

cryptography school-project

Last synced: 23 Feb 2026

https://github.com/yoannchb-pro/private-html

PrivateHTML | Make the user access your page with a key

cryptography private-code

Last synced: 23 Aug 2025

https://github.com/twtiger/crypto

Crypto library in golang

cryptography

Last synced: 14 Jan 2026

https://github.com/ohimoiza1205/goldman-sachs-forage-swe-simulation

Crack passwords and suggest security improvements as a Governance Analyst at Goldman Sachs.

cryptography goldman-sachs hashcat password-cracking software-engineering

Last synced: 17 Jan 2026

https://github.com/soumabha-banerjee/enigmaticbyte

This is a steganography desktop application that hides txt messages inside a cover image. It is completely developed using JavaFX and Cryptography and Steganography both is used. For Cryptography we used a symmetric key technique called Columnar Transposition and for Steganography we used LSB Insertion technique.

cryptography cryptography-algorithms desktop-application java javafx javafx-desktop-apps network-security steganography steganography-algorithms

Last synced: 14 Feb 2026

https://github.com/yaon-c2h8n2/krypton

Projet réalisé dans le cadre de l'UE Codages & Cryptographie en M1 à l'Université de Bourgogne

cryptography data-compression-algorithms data-encoding

Last synced: 05 Oct 2025

https://github.com/erhant/fftype

Finite-field arithmetic within the type system.

cryptography elliptic-curves finite-fields polynomials types typescript

Last synced: 05 Oct 2025

https://github.com/twilight-dream-of-magic/fastfireblockcipher-mysticalascon

FastFire: An Enhanced Version of ASCON Algorithm with Custom Round Constants and Substitution-box with custom nonlinear functions, Linear Permutation

ascon block-cipher cryptography fastfire sponge-functions

Last synced: 01 Mar 2025

https://github.com/wzyskq/polybius_square_pro

An improved encryption and decryption system from the Polybius Square.

cryptography

Last synced: 14 Jan 2026

https://github.com/anivanchen/pycrypt

A series of standalone scripts built with Cryptography for encryption and decryption of files / strings.

cryptography python

Last synced: 11 Jun 2026

https://github.com/duguorong009/rlwe-encryption-rs

RLWE encryption scheme using Knuth-Yao sampling

cryptography math post-quantum-cryptography rust

Last synced: 10 Jun 2026

https://github.com/audrastump/gcm-encryption-socket

GCM Socket using AES-GCM encryption with a 256-bit key - ensures confidentiality and integrity of data

cryptography cybersecurity encryption-decryption

Last synced: 12 May 2026

https://github.com/mizcausevic-dev/hash-attestation-rs

Sign + verify Kinetic Gain Protocol Suite docs using ed25519 over canonical JSON hashes. The missing 'this AEO actually came from the vendor' layer.

attestation canonical-json cryptography dalek ed25519 kinetic-gain rust signature

Last synced: 01 Jun 2026

https://github.com/psygo/cryptography_course

A Cryptography Course from Udemy

cryptography python

Last synced: 07 Dec 2025

https://github.com/marcellomaugeri/schaege-schwenk-cdh-based-ring-signature-scheme

This repo contains the implementation of the ring signature scheme proposed in "A CDH-Based Ring Signature Scheme with Short Signatures and Public Keys" by Sven Schäge & Jörg Schwenk

cryptography cryptography-library python3 ring-signature-scheme

Last synced: 17 Oct 2025

https://github.com/theognis1002/password-generator-cli

A simple password generator CLI tool

cryptography python3

Last synced: 01 Jun 2026

https://github.com/arnaldo10cisne/cryptography__python_app

This program can encrypt and decrypt arrays of English words. The word API used to validate words and obtain random ones is: https://random-word-api.herokuapp.com

cryptography pyhon3 pyhton

Last synced: 26 Mar 2025

https://github.com/albertotirla/cryptolibrary

this implements a collection of standard, classical encryption algorythms such as the caesar cifer, rot13 and monoalphabetical substitution

cryptography

Last synced: 03 Apr 2025

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/aelx01/kyberkeep

An experimental web-based and quantum-safe cryptography password manager with zero-knowledge cryptography

cryptography password-manager post-quantum-signature rust

Last synced: 06 Sep 2025

https://github.com/farhantips/cryptography-and-cryptanalysis

This repository covers practical implementations of Cryptography and Cryptanalysis, including encryption algorithms, hashing, digital signatures, and techniques for analyzing and breaking cryptographic systems.

aes-encryption authentication-protocol blockcipher ceaser-cipher cryptanalysis cryptography des diffie-hellman elliptic-curve-cryptography encryption-decryption hashing-passwords kerberos-authentication knapsack publickey-cryptosystem rsa-cryptography ssh ssl zero-knowledge-proof

Last synced: 26 Mar 2025

https://github.com/juliuspleunes4/noiseframework

Noise Protocol Framework in Python.

cryptography noise pypi python

Last synced: 14 Jan 2026

https://github.com/emorilebo/mobile_secrets_vault

Secure secrets management for mobile backend applications with encryption, versioning, and audit logging

aes-gcm cryptography django emori encryption fastapi godfreylebo mobile-backend python secrets-management security

Last synced: 27 Jan 2026

https://github.com/dogukansahil/advancedbrutecipher

Advanced Brute Cipher is a simple and secure encryption tool that performs all operations locally in your browser using HTML, JavaScript, and CSS. Manage your encryption keys without relying on external CDNs.

cryptography css decryption encryption html javascript key-management local-storage python security web-application

Last synced: 13 Feb 2026

https://github.com/maxime-cllt/primeshield

GUI RSA implémentation en Rust

cicd cryptography gui rsa-cryptography rust

Last synced: 25 Mar 2025