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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/oanderoficial/bitcoin-cli-script

Ferramenta em C, que é um utilitário para o bitcoin-cli. Com o Bitcoin-cli Script você terá mais agilidade em obter informações da blockchain utilizando o seu node.

bitcoin bitcoin-cli blockchain blockchain-technology cryptography linux node

Last synced: 17 Apr 2026

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

Encrypted password manager to store website passwords.

cryptography password-manager reactjs

Last synced: 17 Apr 2026

https://github.com/hvalfangst/rsa

RSA made from scratch using the underlying mathematical concepts for sake of demonstration

cryptography github-actions python rsa

Last synced: 17 Apr 2026

https://github.com/mimi-netizen/python-scripts

This repository provides a versatile collection of Python scripts to streamline system administration tasks. It includes tools for browser automation, web scraping, and cryptographic operations, with detailed documentation and planned enhancements to expand functionality

cryptography selenium-webdriver webscraping

Last synced: 17 Apr 2026

https://github.com/lihongjie0209/sm-js-bc

SM2/SM3 cryptography TypeScript implementation based on Bouncy Castle Java - Zero dependencies, fully compatible, browser & Node.js support

bouncy-castle chinese-cryptography cryptography elliptic-curve gm-algorithm sm2 sm3 typescript

Last synced: 04 Apr 2026

https://github.com/mw2000/ubt

A reference implementation of a unified binary tree using 32-byte keys and values

cryptography ethereum merkle-tree

Last synced: 04 Apr 2026

https://github.com/hugoxox3/bitkeygen

BitKeyGen: A Python tool to generate Bitcoin private keys, WIFs, and addresses. Perfect for developers and crypto enthusiasts! Save keys to wallet.json securely. 🚀🔑 #Bitcoin #Crypto

bitcoin bitcoin-hacks bitcoin-key-generation bitcoin-wallet cryptocurrency cryptography cryptography-and-security

Last synced: 17 Apr 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/forgesworn/shamir-words

Split secrets into human-readable BIP-39 word shares using Shamir's Secret Sharing over GF(256)

backup bip39 cryptography galois-field mnemonic privacy recovery shamir-secret-sharing threshold typescript

Last synced: 04 Apr 2026

https://github.com/albovo/ctf-writeups

Here you can find some of the writeups of the ctfs I've played so far.

cryptography ctf-writeups network-security pwn python reverse-engineering scripting web-security

Last synced: 17 Apr 2026

https://github.com/sovereignbase/cryptosuite

JS/TS runtime-agnostic, quantum-safe, and agile cryptography toolkit with a declarative API for cipher messaging, message authentication, digital signatures, key agreement, and identifiers.

browser bun bytecodec crypto cryptography decryption deno encryption hmac jwk node opaque-identifiers signing sovereignbase typescript verification webcrypto

Last synced: 17 Apr 2026

https://github.com/roryeckel/decrypto

The automatic cryptography challenge solver & basic framework. Created August 2017.

cipher-crack cryptography ctf-tools solver

Last synced: 04 Apr 2026

https://github.com/abdulrahmans0414/securepass-generator

SecurePass Generator is a modern, user-friendly password generator built with React. Create strong, randomized passwords with customizable options like length, numbers, and special characters.

clipboard-copy cryptography frontend password-generator react securepasswords security tailwindcss user-friendly web-application

Last synced: 18 Apr 2026

https://github.com/ocdbytes/secp256k1_bitcoin

This is the cryptography algorithm used in bitcoin to generate public and private keys. Bitcoin uses SECP256k1 C-language library to use this encryption in the Bitcoin operating system.

bitcoin cryptography rsa-cryptography secp256k1

Last synced: 18 Apr 2026

https://github.com/thomasarmel/binary_polynomial_mod_algebra

Basic algebra on univariate binary polynomial (over GF(2))

algebr binary cryptography polynomial univariate

Last synced: 05 Apr 2026

https://github.com/kristinjeanna/crypto

Provides a variety of additional crypto packages for Go.

crypto cryptography go golang salted-hash ssha

Last synced: 05 Apr 2026

https://github.com/kimmy665/cores

🚀 Build modern admin panels easily with CoreS, a responsive template using React, TypeScript, and Tailwind CSS. Perfect for streamlined web applications.

ahb-lite asic-design asp-net-core audio axi4 bitcoin carthage cocoapods coredata cryptocurrency cryptography open-isa open-source-hardware riscv rtl sram usb western-digital

Last synced: 18 Apr 2026

https://github.com/theaswanson/hash-tool

A Windows Forms application that computes various hashes of a given file or string, including MD4, MD5, SHA1, SHA256, SHA512, and Whirlpool.

cryptography dotnet hashing

Last synced: 04 Jun 2026

https://github.com/demining/an-attempt-to-predict-the-behavior-of-the-properties-of-the-secp256k1-elliptic-curve

An attempt to predict the behavior of the properties of the secp256k1 Elliptic Curve: Cryptography and cryptocurrency related parameters secp256k1 reveals several vulnerabilities and potential threats:

ai bitcoin bitcoin-wallet btc cryptocurrency cryptography cryptography-algorithms ecc elliptic-curve elliptic-curve-cryptography elliptic-curves quantum-computing secp256k1 secp256k1-ecdsa

Last synced: 20 Apr 2026

https://github.com/randika00/aes-encryption-decryption

Encryption and Decryption using AES (Advanced Encryption Standards)

aes aes-encryption cryptography decryption encryption

Last synced: 20 Apr 2026

https://github.com/starlingvibes/rsa-factoring-challenge

We have sniffed an unsecured network and found numbers that are used to encrypt very important documents. It seems that those numbers are not always generated using large enough prime numbers. Your mission should you choose to accept it, is to factorize these numbers as fast as possible before the target fixes this bug on their server - so that we can decode the encrypted documents.

cryptography prime-numbers rsa

Last synced: 21 Apr 2026

https://github.com/bch-team-pro/bch-wallet

Bitcoin Cash (BCH) – securely send, receive, and store BCH with full control over your private keys. Works on Windows, Linux, and macOS, with support for hardware wallets, QR codes, and transaction tracking. No registration required—ideal for desktop-focused users.

bch bch-coin bch-electrum-wallet bch-wallet bitcoin-cash bitcoin-wallet crypto crypto-wallet cryptography electrum electrum-bitcoin-cash electrum-cash electum-bch non-custodial web3

Last synced: 21 Apr 2026

https://github.com/ppad-tech/poly1305

The Poly1305 message authentication code

cryptography haskell mac poly1305

Last synced: 21 Apr 2026

https://github.com/markuszoppelt/aes_argon2_trezor

Short demo on how to use AES with Argon2id KDF and Trezor

aes argon2 cryptography kdf trezor

Last synced: 21 Apr 2026

https://github.com/e9cipher/g-encryptor

Python cryptography tool to encrypt/decrypt files in a specified directory

cryptography cryptography-tools python3 shell

Last synced: 29 Jun 2026

https://github.com/umstek/classiccryptolib

Classical Cryptography in Modern Code

cipher cryptography encryption

Last synced: 22 Apr 2026

https://github.com/quantachain/quanta-android-core

Core Android library powering QuantaChain mobile applications, built in Rust for high-performance cryptographic operations and secure transaction handling.

cryptography pqc

Last synced: 05 Jun 2026

https://github.com/telkomdev/c-crypsi

A Header only Custom crypto utility for C/C++ based on Openssl Crypto Library to make life easier

aes c cryptography digest header-only openssl

Last synced: 05 Jun 2026

https://github.com/soenneker/soenneker.cryptography.ed25519

A lightweight C# library providing utilities for verifying Ed25519 digital signatures using public keys

cryptography csharp dotnet ed25519 ed25519util signing util verification verify

Last synced: 24 Apr 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/selendra/contract-registry

Selendra Contract Registry is a WASM smart contract registry writen in Rust based on ink! smart contract framwork.

cryptocurrency cryptography p2p-network payment rustlang smart-contracts token wasm

Last synced: 24 Apr 2026

https://github.com/crosbydoo/kriptografi_konvensional

Konverter untuk kriptografi jenis klasik atau konvensional yang terdiri dari Caesar Cipher dan Vignere Cipher. Dibuat menggunakan bahasa dart, dijalankan menggunakan command line.

caesar-cipher converter cryptography dart konventional-cryptography kriptografi kriptografi-klasik uty vignere-cipher

Last synced: 24 Apr 2026

https://github.com/en1gm4-exe/tryhackme

Write-ups and Walkthroughs for TryHackMe challenges and labs — covering enumeration, exploitation, privilege escalation, and more.

blue-teaming cryptography forensics hands-on-lab penetration-testing reverse-engineering shell

Last synced: 24 Apr 2026

https://github.com/swamikannan/revisiting-python

Building projects based on libraries such as Turtle and tkinter to brush up on non-ML skills

coffee-machine cryptography customtkinter etch-a-sketch password password-manager-app password-manager-ui python3 tkinter-gui tkinter-python turtle

Last synced: 06 Jun 2026

https://github.com/paulopacitti/ascon-v

5️⃣ Ascon lightweight cryptographic algorithm implementation for improved performance on riscv64

allwinner allwinner-d1 ascon cryptography lightweight-cryptography risc-v riscv64

Last synced: 25 Apr 2026

https://github.com/jurshsmith/vaultstream

High-Performance Distributed Digital Signature System

cryptography ecdsa-key-pair golang jetstream nats-streaming postgresql

Last synced: 25 Apr 2026

https://github.com/hopex-development/cipher

Provides encryption and decryption (not for everyone, see the documentation) of strings using MD5, SHA1, SHA256, Base 16, Base64, DES, AES algorithms.

aes cryptography dotnetframework encryption

Last synced: 25 Apr 2026

https://github.com/islam-hady9/image-encryption-and-steganography-with-des_and_lsb

An image encryption and steganography project implementing DES encryption and LSB techniques for secure image embedding and transmission.

cryptography decryption des encryption image-processing jupyter-notebook lsb python steganography

Last synced: 25 Apr 2026

https://github.com/toxic-whitelgnd/matrice_cryptography

A simple math Project based on Matrices-Cryptography by using python-numpy

cryptography math-problem matrices numpy python3

Last synced: 25 Apr 2026

https://github.com/gbennnn/data-encryption-standard

A simple web-based DES encryption tool built with Python and Flask. This app allows users to input plaintext and an 8-character key to encrypt text using the Data Encryption Standard (DES) algorithm and view the ciphertext in hexadecimal format.

cryptography data-encryption-standard des encryption-algorithms flask python

Last synced: 25 Apr 2026

https://github.com/fstrahij/cryptography

Project on Faculty of Organization and Informatics in Varaždin on course Operationg systems 2.

aes cryptography python sha256

Last synced: 06 Jun 2026

https://github.com/cullis-security/cullis

Trust infrastructure for AI agents across organizations. Verified identity, explicit authorization, cryptographic audit trail.

ai-agents api-gateway cryptography dpop e2e-encryption fastapi federated-identity iam mcp mtls multi-agent-systems pki python self-hosted spiffe trust-broker workload-identity zero-trust

Last synced: 13 May 2026

https://github.com/jchambers/java-noise

A Java implementation of the Noise Protocol Framework

cryptography java noise noise-protocol noise-protocol-framework security

Last synced: 26 Apr 2026

https://github.com/yunomiwell/nullwire

Encrypting messages is solved. Hiding that you sent one isn't — yet. NullWire: Loopix mixnet + X3DH/Double Ratchet E2E + Solana control plane. Pre-alpha. Whitepaper v0.3.

anonymous-communication blockchain cryptography double-ratchet loopix mixnet p2p post-quantum privacy rust solana sphinx x3dh zero-knowledge

Last synced: 27 Apr 2026

https://github.com/santiellena/cryptopals

My solutions to Cryptopals challenges (http://cryptopals.com/) written in Rust

cryptography rust-lang security

Last synced: 07 Jun 2026

https://github.com/sundeeep/sundeeep-blockchain

Building blockchain from scratch using GoLang.

bitcoin blockchain cryptography golang network security sha256-hash web3

Last synced: 27 Apr 2026

https://github.com/l0g0rhythm/cryptoolsec

Secure Python CLI & GUI tool for efficient file/stream encryption & decryption (AES-256-GCM, streaming I/O). Supports passwords (Argon2id+Salt) or key files. Built for security and automation

aes aes-256 aes-gcm argon2 argon2id authenticated-encryption cli cross-platform cryptography decryption encryption file-encryption gui kdf pyside6 python python3 qt6 security streaming

Last synced: 27 Apr 2026

https://github.com/davidalgis/filescrypter

Simple python tool for encrypting and decrypting files. For more secure information sharing/storage.

aes cryptography encryption-decryption python

Last synced: 28 Apr 2026

https://github.com/armanghobadi/uecdh

is a lightweight, standards-compliant Elliptic Curve Diffie-Hellman (ECDH) key exchange library for MicroPython, optimized for ESP32 and other resource-constrained IoT devices

cryptography ecdh esp32 microcontroller micropyhton

Last synced: 28 Apr 2026

https://github.com/mikeleo03/enigma-m3-cryptography

Enigma M3 Cryptography Simulation Created using React, Tailwind, and NodeJS

cryptography enigma-simulator nodejs reactjs

Last synced: 28 Apr 2026

https://github.com/dang12345512/sol-check

sol-check is a powerful Solana network tool that provides comprehensive validation and verification of smart contracts to ensure secure and efficient performance. It offers advanced analysis and debugging capabilities to help developers identify and resolve potential issues in their Solana-based applications.

audit checkio cryptography iphone memecoin objective-c security sol sol-check solana-token solana-token-bot solidity token trump-coin

Last synced: 28 Apr 2026

https://github.com/lukechilds/og-zkp

Prove your Bitcoin OG status in zero-knowledge

bitcoin cryptography risc-zero risc0 risc0-zkvm zero-knowledge zkp

Last synced: 08 Jun 2026

https://github.com/dkxce/dixu

dkxce simple opensource free symmetric crypt algorythm (UTF8, ASCII, Win-1251)

512 cryptography dkxce encoder-decoder security text windows

Last synced: 29 Apr 2026

https://github.com/samuelgodoy/arca

ARCA - Cofre de Segredos ou Credenciais

cosmocc cryptography encryption password secret vault ziglang

Last synced: 29 Apr 2026

https://github.com/cloudflareresearch/anonymous-credentials-agent-demo

Demo for Anonymous Credentials Token for Rate-Limiting Agents

agents cryptography mcp token

Last synced: 29 Apr 2026

https://github.com/avivijay19/hash-generator

Hash generator is a crypto based android application which works on different hashing algorithms.

android cryptography kotlin kotlin-android

Last synced: 29 Apr 2026

https://github.com/tarranprior/postbox

📫 Postbox is a lightweight encryption tool which allows users to generate key pairs, exchange public keys, encrypt and decrypt messages, and communicate securely over SMTP using RSA. Built with C#.

console cryptography csharp dotnet encryption smtp

Last synced: 30 Apr 2026

https://github.com/hptrk/uni-rabin-encryption-python

(UNIVERSITY) Implementation of the Rabin cryptosystem and digital signatures using modular arithmetic and prime number theory. Includes encryption, decryption, and signature verification with a detailed PDF report.

cryptography python rabin-cryptosystem sagemath university-project

Last synced: 30 Apr 2026

https://github.com/aulanchik/decryptor

Code Cipher challenge

axios cryptography javascript nodejs

Last synced: 30 Apr 2026

https://github.com/adippel/cms-encryption-go

Go example for performing CMS encryption with OpenSSL using CGO. Companion code for the blog post “CMS Encryption in Go”.

cryptography go golang libcrypto openssl

Last synced: 08 Jun 2026

https://github.com/maximilianfeldthusen/basic-secure-kernel-module

The code is a basic kernel module that demonstrates how to initialize a secure driver, though integrating TPM or HSM functionality would require additional kernel-space libraries, such as tpm_tis or tpm_dev for TPM devices.

aes c cryptography hsm kernel linux-kernel request tpm-plugin

Last synced: 01 May 2026

https://github.com/erik-castro/easy_enc

easy_enc.sh é uma ferramenta simples e eficiente para encriptação e decriptação de arquivos e dados utilizando OpenSSL, desenvolvida em Bash. Suporta criptografia com o algoritmo AES-256-CBC e permite a escolha entre salvar os resultados em arquivos ou imprimi-los diretamente na saída padrão.

aes-256 bash cli-tool command-line-tool cryptography cybersecurity data-encryption encryption file-encryption openssl pbkdf2 script security-tools shell-script simple-encrypt

Last synced: 01 May 2026

https://github.com/unkaktus/padding

random padding

cryptography padding

Last synced: 08 Jun 2026

https://github.com/lokranjanp/2fa

A custom 2FA system using Python, SQL, Redis, and SMTP, featuring dynamic 6-digit OTP generation with PyOTP. Will develop it into AaaS [Authentication as a Service] .

cryptography entity-authorization flask python smtp user-authentication

Last synced: 01 May 2026

https://github.com/ioexcept10n/filekeeper

A project of a file encryption Android app made with .NET MAUI

android cryptography csharp cybersecurity dotnet maui

Last synced: 01 May 2026

https://github.com/theoddysey/blockchain-go

A Bitcoin-like blockchain implementation in Go, demonstrating cryptographic principles, PoW consensus, UTXO transactions, wallet management, and P2P networking.

bitcoin blockchain boltdb consensus-algorithm cryptocurrency cryptography decentralized distributed-systems ecdsa golang p2p-network proof-of-work utwork wallet

Last synced: 02 May 2026

https://github.com/baha2rm98/crypto_note

Developed by : Baha2rM98 and AshkanAbd

android-app cryptography java

Last synced: 02 May 2026

https://github.com/tolstoyj/go-voting-blockchain

🗳️ Production-ready blockchain-based voting system built with Go. Features secure cryptographic operations, real-time results, and seamless deployment capabilities.

api blockchain cryptography docker go golang postgresql redis rest security voting

Last synced: 02 May 2026

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/duguorong009/ripemd-160-rs

Personal practice of implementing the RIPEMD-160 hash function

cryptography hash ripemd160 rust-lang

Last synced: 09 Jun 2026

https://github.com/jay4codes/skyjack-djss4ds

A Data Science Treasure Hunt

cryptography data-science firebase reactjs

Last synced: 04 May 2026

https://github.com/twilight-dream-of-magic/titanwallciphersspecification

TitanWall Stream Cipher & TitanWall Block Cipher Alogrithm Specification By Twilight-Dream

blockcipher cpp20 cryptography rc6 rc6-plus stream-cipher

Last synced: 09 Jun 2026

https://github.com/lukasz0104/krypto_tul_2022

Podstawy kryptografii, FTIMS, Politechnika Łódzka, semestr 4

aes cryptography java javafx

Last synced: 04 May 2026

https://github.com/fredrikaugust/wasm-bsgs

Baby-Step Giant-Step Discrete Logarithm Problem Solver in WebAssembly (Written in Rust)

cryptography discrete-logarithm rust wasm wasm-bindgen

Last synced: 04 May 2026

https://github.com/armintamzarian/aenigma

User-friendly AngularJS encryption module utilizing the Web Cryptography API and providing an extensible secure secret storage mechanism.

angularjs cryptography localstorage webcrypto

Last synced: 05 May 2026

https://github.com/uofsc-fall-2022-math-587-001/homework6

The Chinese remainder theorem and its application in the Pohlig-Hellman algorithm for solving the discrete logarithm problem.

cryptography discrete-logarithm go latex math

Last synced: 05 May 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/crypto-lab-webauthn

rowser-based WebAuthn/Passkeys demo — real ECDSA P-256 credential keys, challenge-response assertions signing origin+challenge+counter, phishing/replay/clone attacks all blocked. The private key never leaves the authenticator

authentication challenge-response crypto-lab cryptography ctap ecdsa fido2 p256 passkeys passwordless phishing-resistant webauthn

Last synced: 09 Jun 2026

https://github.com/cucumberian/_test_secrets_api

secrets saving via api and one-time access via key generation

api cryptography fastapi onetimesecret redis

Last synced: 05 May 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/synpareia/trust-mcp

Identity and trust tools for AI agents — MCP server

agent-trust ai-agents cryptography did identity mcp mcp-server python trust verification

Last synced: 06 May 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/nickylogan/kryptograf

A POC of encryption algorithms

cryptography javascript reactjs

Last synced: 07 May 2026

https://github.com/tatemsoft/cryptr

A simple shell utility for encrypting and decrypting files using OpenSSL.

aes-256 aes-encryption bash bash-script cryptography decryption encryption openssl shell-script

Last synced: 08 May 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 352 Papers 326 Contributed talks, posters and presentations 295 The list 252 Talks, posters, and presentations 243 Cryptography 176 Resources 165 Tutorials 158 Research papers and publications 140 Uncategorized 132 2018 106 MEV 96 Tools 95 Blockchain Explorers 93 Content 92 Blockchain Playgrounds 83 Learning Resources 76 Research Groups 74 Misc 74