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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/thyeem/longshot

Fast Brute-force search using parallelism

brute-force-attacks cryptography haskell parallelism

Last synced: 06 May 2025

https://github.com/rohitanwar/cryptography

An exploration of various cryptographic functions (and related stuuf)

cryptography sha1 zig ziglang

Last synced: 21 Aug 2025

https://github.com/jamestaylr/aes

Implementation of AES and associated cryptographic helper functions in Crystal

aes course-work cryptography crystal

Last synced: 24 May 2026

https://github.com/arihantbansal/cybersec-python

Cybersec/CTF practice problems solved in Python

crawler cryptography ctf cybersecurity sockets webscraping

Last synced: 02 Aug 2025

https://github.com/madhurimarawat/codeculture-daily

A daily programming challenge repository where fun meets learning! With 39 challenges over 39 days, it helps coders enhance skills through practical tasks and interview prep. While maintenance is paused, contributions are welcome, and future expansions are planned to keep learning ongoing.

beginner-friendly code-repository cryptography daily-problems daily-progaramming intemediate-questions java javascript non-tech-questions official-solutions personality-development problem-of-the-day programming-contest python soft-skills tech-questions technologies tools website-deploy winner-announcement

Last synced: 10 Apr 2026

https://github.com/volkansah/how-to-kill-crypto-money

Mr.Robot -> How to Kill Crypto Money? This document demonstrates how to use Python and the mnemonic library to generate a seed phrase and derive a private key. This code is intended for demonstration purposes only and should never be used with real funds or your actual hardware wallet.

bitcoin crypto cryptocurrency cryptography damage kill monero wallet

Last synced: 09 Feb 2026

https://github.com/chakshugupta13/local-collision-differential-attack-on-reduced-sha-256-upto-24-rounds

This repository contains C and/or C++ implementations for finding Local Collision Conforming Message Pairs through Differential Attack on Reduced-Round SHA-256 up to 24 Rounds. Also, this repository contains the C++ implementations of SHA-256, SHA-512 and SHA-384.

cryptanalysis cryptography differential-attack sha-256 sha-384 sha-512

Last synced: 11 Apr 2025

https://github.com/nhussein11/merkle-tree

Rust implementation and explanation of the Merkle Tree structure

blockchain cryptography rust web3

Last synced: 29 Oct 2025

https://github.com/zaidmukaddam/securitymobileapp

This project is a demonstration of some cryptography algorithms using Flutter Framework.

aes cryptography encryption rsa

Last synced: 18 Jun 2025

https://github.com/drwheelicus/encoderize

Turn your text into a cryptographic masterpiece

actions cli cryptography image-generation package pytest python svg visualization

Last synced: 30 Apr 2025

https://github.com/rajput-hemant/cryptography

A handy Crypto CLI for exploring cryptographic algorithms learned in university. Dive into the world of cryptography with ease! 🔐✨

bun cli crypto cryptography

Last synced: 19 May 2026

https://github.com/supermarcel10/cryptographicanalysisofsha2

Comparative benchmark of SMT solver effectiveness in cryptographic hash collision discovery for SHA-2 algorithms.

cryptanalysis cryptography research research-paper research-project satisfiability-modulo-theories satisfiability-problem sha2 smt

Last synced: 30 Jul 2025

https://github.com/embetrix/meta-satobox

Satobox is an open-source, Yocto-based, privacy-focused and secure bitcoin full node solution designed for embedded linux devices.

anonymity bitcoin cryptocurrency cryptography embedded linux raspberry-pi security toronionproxy yocto yocto-layer

Last synced: 01 Nov 2025

https://github.com/mohammedmehdio/caesarjaw-cpp

CaesarJaw provides encryption and decryption functionalities using a simple shift cipher (Caesar cipher). It allows users to: ✅ Encrypt text 📝 ✅ Decrypt text 🔑 ✅ Determine the shift key 🔎 ✅ Attempt decryption without a known key 💡

caesar caesar-cipher caesar-cipher-algorithm communication cpp crypter cryptography cybersecurity decrypt decryption decryption-algorithm security security-tools shift-cipher tool

Last synced: 23 Jul 2025

https://github.com/circa10a/l33tcrypto

Cryptography for the most l33t haxx0rs

cryptography encoder-decoder hacktoberfest

Last synced: 02 Oct 2025

https://github.com/h5law/vinegar

A Golang library for creating and using Vigenere Ciphers

cryptography encryption-decryption vigenere vigenere-cipher vigenere-cipher-algorithm

Last synced: 17 Mar 2025

https://github.com/sandeep-shaw10/cshb-model

This project aims to develop a secure and efficient model for end-to-end encrypted data transfer between a client and server, with a focus on promoting data integrity via hybrid blockchain

aes-512 blockchain cryptography cshb cshb-model end-to-end-encryption hybrid-blockchain steganography

Last synced: 06 Apr 2025

https://github.com/ishanoshada/lockix

A secure file encryption and decryption tool

cryptography encryption files security

Last synced: 07 Mar 2026

https://github.com/PeaceFounder/OpenSSLGroups.jl

OpenSSL elliptic curve wrapper for CryptoGroups

cryptography elliptic-curves openssl

Last synced: 06 Apr 2026

https://github.com/humanjavaenterprises/nostr-nsec-seedphrase

The nostr-nsec-seedphrase repository offers a TypeScript library that converts Nostr nsec keys into mnemonic seed phrases, enhancing the readability and management of keys within Nostr applications. This approach mirrors Bitcoin's use of seed phrases, emphasizing the importance of secure storage and careful handling of these keys.

bitcoin cryptography decentralized-protocols digital-signatures key-management mnemonic-seed-phrases nostr public-key-infrastructure security

Last synced: 31 Aug 2025

https://github.com/crownedgrouse/preach

[WIP] Phi base Random Encoder Aimed for Cryptography Hardening

cryptography obfuscation rust

Last synced: 06 Apr 2025

https://github.com/justscott/listcrypt

Symmetric cryptographic algorithm built with python3

cryptography encryption python38 symmetric-cryptography symmetric-key-cryptography

Last synced: 21 Jun 2026

https://github.com/mttbernardini/mbencrypter

:closed_lock_with_key: This program will help you encrypting or decrypting some data or a file using MB's algorithm. NB: this project has been supeseded by https://github.com/mttbernardini/mbc

algorithm cryptography raw-data rawinput symmetric-keys text

Last synced: 26 Mar 2025

https://github.com/BotsUniverse/cryptrooper

Cryptrooper is a module that can encode and decode your text with a given key.

crypt cryptography decode encode python python3

Last synced: 19 Aug 2025

https://github.com/ecies/py-demo

A simple fastapi eciespy web backend demo

cryptography ecies fastapi python3 secp256k1 webdemo

Last synced: 12 Apr 2025

https://github.com/cartory/encoderr-web

🔐 Crypto Final Project - Encoderr

cryptography decoding encoding javascript uagrm webpack

Last synced: 11 May 2026

https://github.com/denselance/hight-python

HIGHT block cipher implementation in Python3 based on original paper by Hong et al. Includes the encryption and decryption functions for HIGHT.

cipher cryptography hight kisa python3

Last synced: 31 Dec 2025

https://github.com/dbstratta/naive-crypto

Very naive implementations of various cryptosystems written in Haskell

crypto cryptography diffie-hellman elgamal haskell naive rsa

Last synced: 02 Aug 2025

https://github.com/shreyansh26/solving-substitution-ciphers-using-mcmc

Solving substitution ciphers using Markov Chain Monte Carlo (MCMC)

cryptography mcmc probability sampling-methods substitution-cipher

Last synced: 03 Mar 2025

https://github.com/daflh/deriving

Derives address and private key from mnemonic phrase for Bitcoin and other altcoins

bip bip32 bip39 bitcoin cryptocurrency cryptography hacktoberfest mnemonic

Last synced: 19 May 2026

https://github.com/mikeleo03/classic-cryptography-simulator_frontend

Frontend side of simulator for well-known classic cipher algorithms with React Typescript and Golang

cipher-algorithms cryptography golang react-typescript shadcn-ui website

Last synced: 17 May 2026

https://github.com/cuhsat/epiphyte

(Ab)using TinyURL.com as a key/value storage for hidden and encrypted message threads.

cryptography epiphyte hidden-message protocol pycrypto python requests steganography tinyurl

Last synced: 12 Aug 2025

https://github.com/jscarle/cryptoextensions.net

Useful Cryptography Extensions

crypto cryptography csharp dotnet

Last synced: 16 Aug 2025

https://github.com/churro/avr-aes128-groestl256

Efficient AES-128 & Grøstl-256 Implementations for the AVR 8-bit Microcontroller Architecture

aes-128 atmega128 avr cryptography groestl-256

Last synced: 10 Apr 2025

https://github.com/cuhsat/fx

A strictly experimental stream cipher in ANSI C.

algorithm ansi-c c cipher cryptography fumbled-xor stream-cipher

Last synced: 29 Mar 2025

https://github.com/ergl/sss

Basic Shamir's Secret Sharing

cryptography pony-language shamir shamir-secret-sharing

Last synced: 06 Feb 2026

https://github.com/jakubvojvoda/rsa-cryptography

Simple RSA implementation using GMP

cpp cryptography decryption encryption gmp rsa

Last synced: 14 May 2025

https://github.com/darshan-kc/python-hash-cracker

Simple Hash Cracker

cryptography python

Last synced: 28 Mar 2025

https://github.com/chrishubert/password-manager-crypt

🔐 Secure, zero-dependency cryptographic library for password managers with universal runtime support (Node.js, CloudFlare Workers, Browsers)

browser cloudflare-workers cryptography encryption nodejs password-manager security typescript webcrypto zero-knowledge

Last synced: 17 May 2026

https://github.com/mindreadio/qsafecrypto

A secure and user-friendly open-source cryptography library, offering modern cryptographic APIs that are resistant to quantum attacks. Protect your data with ease and confidence using advanced quantum-resistant algorithms.

aes-256 aes-encryption aes-gcm aes-gcm-encryption base58 cryptography decryption encryption encryption-algorithms encryption-decryption pycryptodome python quanta quantam quantam-resistant quantam-safe quantum-computing tink

Last synced: 08 Apr 2026

https://github.com/oxion7/rc4-rust

RC4 algorithm in rust

algorithm cipher cryptography stream-cipher

Last synced: 14 Jun 2026

https://github.com/marcode24/criptografia

🔐 This is a cryptography project testing, using base64 and AES criptography

aes aes-encryption base64 cryptography css decoding encoding encryption encryption-algorithms html nodejs

Last synced: 06 Apr 2026

https://github.com/varun-doshi/relliptic

Finite Field Elliptic Curves in rust

cryptography elliptic-curves rust zk

Last synced: 20 Jul 2025

https://github.com/samdney/research-sites

List of useful websites for math, algebra, number theory, cryptography, online security and privacy research.

algebra archive computer-science cryptography help latex list math mathematics maths number-theory reprint research tools webiste

Last synced: 22 May 2026

https://github.com/virgilsecurity/virgil-keyknox-kotlin

KeyKnox SDK allows developers to communicate with the Virgil Keyknox Service to upload, download, and synchronize encrypted sensitive data (private keys) between user's devices.

cryptography data-sharing keyknox sdk

Last synced: 23 Jul 2025

https://github.com/vu3rdd/go-merkletree

a merkle tree implementation in Go with a fixed hashing scheme

cryptography go golang merkle-proof merkle-tree merkletree

Last synced: 25 May 2026

https://github.com/collapse-logic/collapse

Collapse System Logic — deterministic proof collapse (E→Z→1)

collapse compression cryptography csl determinism formal-methods lean4 logic proof proofs python

Last synced: 14 May 2026

https://github.com/efedotof/vaultly

Vaultly — облачное хранилище с end‑to‑end шифрованием и нулевым разглашением. Flutter‑клиент + Spring Boot‑бэкенд. Доверяйте математике!!

aes-gcm cloud-storage cross-platform cryptography end-to-end-encryption file-encryption flutter privacy rsa-oaep security self-hosted shps spring-boot zero-knowledge

Last synced: 25 Apr 2026

https://github.com/skygenesisenterprise/api-service

The Official Sky Genesis Enterprise API Service Ecosystem

api-service client cryptography data dns docker javascript nextjs service stalwart typescript websocket

Last synced: 31 Dec 2025

https://github.com/nucypher/passkeys-taco-poc

PoC implementing passkeys to TACo encryption authentication

cryptography encryption-decryption passkeys taco threshold-cryptography web3

Last synced: 07 Sep 2025

https://github.com/arnaud-robin/aead-chacha20-poly1305

Implementation of AEAD_CHACHA20_POLY1305 in c++

aead chacha20-poly1305 cpp cryptography

Last synced: 10 Apr 2025

https://github.com/mrd33t/sunburst-dga-cipher

A Python implementation of the SUNBURST DGA Cipher for encoding and decoding messages. This tool demonstrates substitution cipher techniques and secure coding practices.

cipher cryptography dga portfolio python security sunburst

Last synced: 26 Mar 2025

https://github.com/vertigovx/crypto-wallet-generator

A Python-based tool to generate and manage cryptocurrency wallets for Ethereum and Bitcoin, featuring a GUI, encryption, and decryption capabilities.

bitcoin crypto-wallet cryptocurrency cryptography ethereum python3

Last synced: 08 May 2026

https://github.com/sajad-net/passwdb

A secure password manager in python, using AES algorithm to encrypt passwords.

cryptography getpass hash password-manager password-manager-cli pyperclip python python-password-manager sha256 sqlite3

Last synced: 17 Mar 2025

https://github.com/sammyne/crypto-rs

A Go-like crypto library in Rust

cryptography digital-signature encryption hash rust

Last synced: 18 Mar 2025

https://github.com/zerdicorp/paed62_online

Demonstration of the hashing algorithm online.

cryptography demo hashing-algorithm online paed62

Last synced: 02 Apr 2025

https://github.com/zerdicorp/paed62_hashing_algorithm

A simple self-written version of the data hashing algorithm.

algorithm cryptography hash hashing-algorithm java paed62

Last synced: 02 Apr 2025

https://github.com/cailllev/parsa

Encrypt and Decrypt Files via RSA

cryptography java rsa

Last synced: 17 Mar 2025

https://github.com/isgj/tinkey

A Go port of Tinkey, the command-line tool for Google's Tink cryptography library.

cli cryptography go google key-management security tink

Last synced: 30 Apr 2025

https://github.com/audrastump/block-cipher

Simple block cipher implementation using symmetric key and an initialization vector (IV).

cryptography cybersecurity encryption-decryption

Last synced: 14 May 2026

https://github.com/lukewait/midtown-app

Educational GUI tool developed as part of a TAFE QLD assignment, providing interactive access to three algorithmic solutions: Rock Paper Scissors, Multiplication Table, and Caesar Cipher. Ideal for IT training and understanding basic programming concepts within a structured application.

cryptography education games gui learning-tools python training

Last synced: 18 Mar 2025

https://github.com/RedInfinityPro/ScientificSharp

Rating: (5/10) The code is a Windows Forms application for a basic scientific calculator, allowing users to perform mathematical operations like addition, subtraction, multiplication, division, trigonometrics, and logarithms.

componentmodel cryptography data drawing forms generic linq system tasks text

Last synced: 30 Sep 2025

https://github.com/bytemare/hash

Easy generic API for cryptographic hash functions in Go.

blake2 cryptography go golang hash hashing security sha256 sha3

Last synced: 10 Apr 2025

https://github.com/divinemonk/ancipher

Alpha Numeric Cipher, replaces similar words to numbers & gives a CyFi look.

alpha cipher cryptography hacking hacking-tool numeric pypi python python3

Last synced: 06 Apr 2026

https://github.com/jgresham/mental-poker-ui

mental poker - texas holdem style. other repo mental-poker-contracts

commutative-encryption cryptography elgamal-encryption mental-poker poker texas-holdem-poker

Last synced: 14 May 2026

https://github.com/ravi-prakash1907/modern-crypto

A docker image to import library from 'Modern-Cryptography' repo and provide a platform for hands-on cryptography

cryptography cybersecurity docker python

Last synced: 14 May 2026

https://github.com/cryptocoin-wallets/exodus-core-fast-crypto-blockhain-plugin-walletconnect

Exodus New Feature Development is an open-source initiative enhancing the capabilities of the Exodus application for secure digital asset management. Join us in contributing innovative features and improving the Exodus ecosystem.

blockchain-plugin crypto cryptography exodus-api exodus-app exodus-core exodus-geteway exodus-payment exodus-wallet exodus-wallet-web3 exodus-wallets fast-api javascript wallet-connect wallet-connector wallets

Last synced: 26 Mar 2025

https://github.com/tniessen/zkp-volte-patarin-nachef-c

Implementation of the zero-knowledge protocol due to Volte, Patarin, and Nachef (2013) in plain C

academic cryptography zero-knowledge-proof

Last synced: 20 Mar 2025

https://github.com/grakshith/shamir-secret-sharing

A basic implementation of Shamir Secret Sharing

cryptography interpolation secret-sharing shamir-secret-sharing

Last synced: 14 May 2026

https://github.com/ali2210/rsa

this is implementation of RSA cryptography in Java

cryptography rsa-cryptography

Last synced: 03 Apr 2025

https://github.com/fl03/aqueduct

Aqueduct is a dynamic encryption protocol merging elliptic-curve cryptography with fully-homomorphic encryption standards.

cryptography rust

Last synced: 03 Apr 2025

https://github.com/anishsingh90/regular-solidity-code-2

Regular Solidity Code: A repository showcasing Solidity snippets, smart contract examples, and projects for learning and building secure, efficient blockchain applications. 🚀 Ideal for exploring Ethereum development and decentralized innovation! 🌐✨

blockchain cryptography defi nfts smart-contracts solidity

Last synced: 01 Apr 2025

https://github.com/cwaring/ucan.xyz

UCAN is a trustless, secure, local-first authorization network that puts users in control of their permissions — no central authority required.

astro authentication authorization cryptography js local-first

Last synced: 14 May 2026

https://github.com/yashitacodes/encode-me

A simple desktop application in python that allows you to encode and decode texts.

cryptography decryption desktop encryption gui python tkinter

Last synced: 12 Jun 2026

https://github.com/rafaeldelucena/ine5429

Encryption Algorithms in Python

cryptography python

Last synced: 14 Jun 2025

https://github.com/alex-snd/cardancipher

🔓 The project is intended for easy reading of the plaintext from the ciphertext obtained using the Cardano cipher.

cryptography

Last synced: 15 Jun 2025

https://github.com/gausix/enigmify

This project is a simple implementation of the Enigma machine in Rust. It allows users to input a message, configure the rotor and reflector settings, and encrypt or decrypt the message.

cli cryptography enigma-machine rust security

Last synced: 07 Jul 2025

https://github.com/dbosk/otpkx

Towards Perfectly Secure and Deniable Communication Using an NFC-Based Key-Exchange Scheme

cryptography deniability paper

Last synced: 19 Jan 2026

https://github.com/snowkluster/unseen

A modern go cli tool for hashing and analysing the type of hash

analyzer cli cryptography golang hashing modern

Last synced: 15 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 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 75 Research Groups 74 Misc 74 Blockchains 68