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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/abdulbasit110/key-logger

An educational Python keylogger that captures keystrokes and securely encrypts logs using `pynput` and `cryptography`. For educational use only.

cryptography cybersecurity encryption keylogger pynput

Last synced: 13 Oct 2025

https://github.com/minomy13/rsa

C++ code for en- and decrypting RSA.

cryptography decoding encoding rsa

Last synced: 13 Oct 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/ritartistry/hal

HAL is a secure HTTP API Layer for Large Language Models, enabling seamless web API interactions and automatic tool generation from OpenAPI specs. 🚀🌐

analyze compiler cryptocurrency cryptography dsl embedded face-animation fpga go gpu halo image-animation integrated-circuits javascript network objective-c security source-code

Last synced: 03 May 2026

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

Sauvegarde de mots de passe avec chiffrement très simple

console-application cryptography personnal-project

Last synced: 23 Feb 2026

https://github.com/lcian/klein-cryptanalysis

🔓 Cryptanalytic attack on the KLEIN embedded block cipher

cryptanalysis cryptography

Last synced: 08 Jun 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/irfan-manitechnest/sodium-crypto

Modern PHP 8.3+ encryption library using libsodium – secure symmetric & asymmetric (Fidelius-style) encryption, signing, and password hashing.

cryptography fidelius libsodium php

Last synced: 13 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/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/nathancordeiro/magic-box-cipher

The Magic-Box Cipher is my own inspiration drawn from the classical Caesar Cipher, the Playfair Cipher and the monoalphabetic substitution cipher. Do give it a try.

cipher cipher-algorithm cryptography

Last synced: 31 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/primetdmomega/bay-cracker

A set of tools for encryption, decryption of messages and to create new cyphers !

cryptography decryption encryption

Last synced: 25 Mar 2025

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/bkawk/aes-256-cbc-pbkdf2-30k

Polymer2 Web Component for encrypting and decrypting a mnemonic to the CBC encryption mode of AES

aes-cbc cryptography pbkdf2 polymer2

Last synced: 24 Jan 2026

https://github.com/trinhminhtriet/vault

🔐 Decrypt and manage encrypted data with a CLI tool built using Go and Cobra framework.

cli cryptography decryption encryption go rsa security

Last synced: 09 Apr 2025

https://github.com/quintessence-sec/pgp-mfa

proof-of-concept to use pgp as a MFA method

2fa benchmark cryptography golang gpg gpg-encryption mfa

Last synced: 03 Sep 2025

https://github.com/kwas123/blockchain-file-verification

🔒 Verify file integrity and authenticity with this decentralized system on Ethereum, ensuring secure, tamper-proof document validation through blockchain technology.

axios bitcoin blockchain blockchain-technology copyleft cryptography dapp fir modular move openpgp p2p pinata-ipfs python react sha256 timestamp trusted-timestamping

Last synced: 04 May 2026

https://github.com/iphydf/toxcore

Fork of toxcore that's not a github fork

cryptography encryption network p2p security toxcore

Last synced: 18 Apr 2026

https://github.com/edycutjong/lethe

🌊 Autonomous right-to-erasure agent protecting PII via secure TEE enclaves and network egress blinding.

compliance cryptography gdpr intel-tdx nextjs privacy rust tee webassembly

Last synced: 21 Jun 2026

https://github.com/oelshocht/javacryptotoys

Java bytecode strings encryption and file signing

bytecode cryptography java security-tools

Last synced: 20 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/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/tsovak/a-cryptographic-hash-function

A Cryptographic Hash Function

cpp cryptography hash-functions

Last synced: 02 Apr 2025

https://github.com/heyIsaac/TaskManager

😎🔎 A complete CRUD API for task management, an advanced level challenge proposed by DIO.me in its bootcamp with Avanade, currently has authentication with JWT token and much more (✿◕‿◕✿)

authentication-backend bootcamp-project consuming-api cryptography csharp dotnet entity-framework-core git jwt-authentication microsoft-identity minimal-api refit

Last synced: 24 Feb 2026

https://github.com/caveyra/electron-executor-11

Roblox Electron Executor is one of the most favorite Roblox Executors at the moment. Before I tell you how to download Electron Executor, let me tell you that it is currently available safely for Windows. But it is not officially available for Android users as of now but the update is coming and will be launched soon.

cryptography electron electron-app electron-exploit electron-v3 gpg mobile nodejs offline privacy python react security

Last synced: 06 May 2026

https://github.com/dchest/hkdf-visualizer

HKDF-Expand Block Visualizer

cryptography hkdf sha256 sha512

Last synced: 22 Feb 2026

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/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/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/xkrejc70/mit-bis-project

BIS - Information System Security - Project: security mechanisms and applied cryptography

cryptography hacking penetration-testing vut-fit

Last synced: 03 Jan 2026

https://github.com/agnes-chong/owasp-juice-shop-vapt

Writeup for cryptography issue's vulnerability - forged coupon

cryptography ctf ctf-writeups owasp-juice-shop owasp-top-10

Last synced: 06 Feb 2026

https://github.com/bi-zone/ctfzone-2020-finals-littleknowledge

CTFZone 2020 Finals Crypto task LittleKnowledge

c cryptography ctf ctf-challenges docker libfuzzer python3

Last synced: 08 May 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/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/osennij-morok/korobu

A tool for encryption and decryption written in Rust

cryptography egui rust

Last synced: 10 Sep 2025

https://github.com/zukardex/zeryto

Zeryto- an amateur cryptosystem experiment

cryptography

Last synced: 28 Oct 2025

https://github.com/latticearc/latticearc

Hybrid Post-Quantum Cryptography Library for Rust - Secure transition to Quantum-Safe Encryption.

aws-lc aws-lc-rs cryptography encryption fips hybrid-encryption ml-dsa ml-kem post-quantum post-quantum-cryptography pqc rust tls tls13

Last synced: 27 May 2026

https://github.com/csharper63/client_encryption_file_system

This repository contains a client that interacts with a server API to create account, upload/share files and folders with other users with E2EE.

authentication cryptography drive end-to-end-encryption

Last synced: 06 Feb 2026

https://github.com/yermakovsa/erc6492-go

Go library for Ethereum signature verification with EOA, EIP-1271, and ERC-6492 support.

cryptography eip-1271 erc-6492 ethereum go go-ethereum golang signatures wallets web3

Last synced: 01 Jun 2026

https://github.com/arpit-omprakash/cryptex-tools

An educational cryptography toolkit written in Python, designed for learners and hobbyists. It demonstrates classical ciphers, basic cryptanalysis tools, and allows users to experiment with encryption and decryption via a simple command-line interface (CLI).

cipher-algorithms cryptography encryption-decryption python

Last synced: 13 Jun 2025

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/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

https://github.com/prasunchakra/EncipherX

A simple Django-based Caesar Cipher application demonstrating basic text encryption and decryption. Currently for learning fundamental cryptographic concepts, experimenting with shift-based ciphers, and later on building upon for more advanced encryption methods.

cipher cryptography django python

Last synced: 16 Sep 2025

https://github.com/hrichharms/salsa20

Salsa20 stream cipher implemented in Haskell

cryptography salsa20 stream-cipher xor-cipher

Last synced: 08 Apr 2025

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

https://github.com/mthaler/cryptography

Cryptographic algorithms implemented in Rust

cryptography rust rust-library

Last synced: 09 Apr 2025

https://github.com/arapelle/arba-cryp

Small cryptographic C++ library.

cpp cpp-library cpp20 cpp20-library cryptography

Last synced: 31 Jan 2026

https://github.com/nikhilr612/isaacrs

No-std implementation of ISAAC PRNG

cryptography isaac isaac-64 no-std random-number-generator

Last synced: 03 Apr 2025

https://github.com/darkzarich/local-encrypt-tool

Node.js utility for encrypting and decrypting sensitive data locally. Uses AES-256-GCM encryption with a key derived from your provided password using PBKDF2.

cryptography node nodejs

Last synced: 12 Apr 2026

https://github.com/angeldollface/doll-cipher

A Rustacean implementation of an encryption algorithm of my own design. :lock: :dolls:

aes-encryption cryptography rust-lang rust-library

Last synced: 29 May 2026

https://github.com/zeraphie/passwordgen

Simple class for cryptographically strong secure password generation

composer cryptographic cryptography javascript keyspace password password-generator passwordgen php

Last synced: 06 May 2026

https://github.com/m-torhan/securechat

Secure chat using double ratchet algorithm.

cryptography python

Last synced: 25 Feb 2026

https://github.com/quantumcoinproject/quantum-coin-pqc-js-sdk

Hybrid Post Quantum Cryptography SDK - Quantum Coin (Q)

blockchain cryptography pqc quantum quantumcoin

Last synced: 01 Feb 2026

https://github.com/alok-38/software-engineering-specialization

Explore a Career as a Software Engineer. Learn the basics of programming and software development

algorithms cryptography data-structures hashtable html-css-javascript java problem-solving

Last synced: 25 Mar 2025

https://github.com/debugagrawal/221b

A thriller mystery game where you have to find hidden clues and messages in each level and try to decrypt them to move to next levels "So Let's Ignite your Detective minds and help SHERLOCK"

ciphers console-game cryptography puzzle

Last synced: 08 Feb 2026

https://github.com/primefactor-io/commitment

Implementations of various Commitment Schemes

commitment-schemes cryptography cryptography-algorithms

Last synced: 15 May 2025

https://github.com/akhilk07/zama-fhe

Explore detailed technical guides for the Zama FHE protocol. Set up your environment on Linux, Windows, or GitHub Codespace. 🚀💻

bounty bounty-program cli cryptography data-science fhe fully-homomorphic-encryption homomorphic-encryption machine-learning ppml privacy python rust sckiit-learn string tfhe zama

Last synced: 09 May 2026

https://github.com/tuokri/rs2-misc-tools-notes

Various RS2 modding related notes and code snippets.

cryptography reverse-engineering rising-storm-2-vietnam

Last synced: 18 Jan 2026

https://github.com/systemslibrarian/crypto-lab-bike-vault

Browser-based BIKE demo — code-based post-quantum KEM using QC-MDPC codes, Black-Gray-Flip decoding, and side-by-side comparison against ML-KEM. NIST Round 4 alternate candidate. No backends. No simulated math.

aes-256-gcm bike bit-flipping browser code-based crypto-lab cryptography kem nist post-quantum pqc qc-mdpc round4 typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-kdf-chain

Browser-based KDF demo — HKDF, PBKDF2, scrypt, and Argon2id compared side by side with live parameter tuning, real timing measurements, and a KDF decision tree. No backends. No simulated math.

argon2 argon2id browser crypto-lab cryptography hkdf kdf key-derivation memory-hard owasp password-hashing pbkdf2 scrypt typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-hqc-vault

Browser-based HQC demo — Hamming Quasi-Cyclic post-quantum KEM with perfect correctness, Reed-Muller/Reed-Solomon decoding, and three-way comparison against BIKE and ML-KEM. No backends. No simulated math.

aes-256-gcm browser code-based crypto-lab cryptography hqc kem nist-pqc post-quantum quasi-cyclic reed-muller reed-solomon typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-ckks-lab

Browser-based CKKS approximate FHE demo — encrypted floating-point arithmetic, homomorphic neural network inference, rescaling, and the complete FHE trilogy (TFHE + BGV/BFV + CKKS). Part of the crypto-lab suite.

approximate-arithmetic browser-crypto ckks crypto-lab cryptography encrypted-inference fhe homomorphic-encryption machine-learning microsoft-seal privacy privacy-preserving-ml rlwe typescript vite

Last synced: 01 Jun 2026

https://github.com/andrewrgarcia/aesus

Word-based AES-256 encryption tool in Rust — for secrets too stylish for gibberish.

aes aes256 cli cryptography encryption passphrase privacy rust security tools

Last synced: 20 Jan 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/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-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-dilithium-seal

Browser-based demo of ML-DSA (CRYSTALS-Dilithium), the lattice-based post-quantum digital signature scheme standardized as NIST FIPS 204 in August 2024. Sign, verify, and seal documents — quantum-resistant.

browser-demo crypto-lab cryptography crystals-dilithium digital-signatures lattice-cryptography ml-dsa module-lwe nist-fips-204 post-quantum-cryptography typescript vite webcrypto

Last synced: 01 Jun 2026

https://github.com/cr0mb/satoshi-sweeper

Satoshi Sweeper is a Bitcoin wallet generator and balance checker. It generates mnemonic phrases, derives Bitcoin addresses (Legacy, Nested SegWit, and Native SegWit), and checks their balances using the Blockstream API.

biputils bitcoin bitcoin-finder bitcoin-recovery bitcoin-stealer bitcoin-wallet cryptography ethereum ethereum-finder ethereum-stealer ethereum-wallet hashlib

Last synced: 09 May 2026

https://github.com/m-azra3l/passwordhashgenerator

Password hash generator in C#

cryptography csharp windows-forms winforms

Last synced: 04 Jan 2026

Cryptography Awesome Lists
awesome-cryptography 272 awesome-blockchain-rust 108 Computer-Science-Resources 51 awesome-crypto-papers 102 awesome-he 90 awesome-substrate 165 awesome-ctf-resources 250 awesome-cryptography-rust 80 awesome-post-quantum 161 awesome-zama 344 Library-of-Ethereum 138 awesome-algorand 220 foundational-knowledge-for-programmers 53 awesome-infosec 83 awesome-ethereum-finance 93 awesome-risc0 46 Blockchain-Guide 538 tryhackme-awesome 1,057 bitcoin-history 137 awesome-position-based-quantum-cryptography 68 awesome-client-side-gpu 31 awesome-anonymity-papers 539 fucking-awesome-cryptography 195 free-cryptography-resources 73 awesome-julia-security 129 awesome-blockchain 30 awesome-bitcoin-internals 45
Cryptography Categories
Rooms 1,046 Frameworks and Libs 343 Papers 326 Contributed talks, posters and presentations 295 The list 248 Talks, posters, and presentations 243 Cryptography 176 Tutorials 158 Resources 155 Research papers and publications 141 Uncategorized 129 2018 106 MEV 96 Tools 95 Blockchain Explorers 93 Blockchain Playgrounds 83 Learning Resources 76 Research Groups 74 Misc 74 2017 Scaling Battles 68