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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/reklatsmasters/is-chacha20-poly1305-supported

Check whether a chacha20-poly1305 cipher is supported by NodeJS

aead chacha20 chacha20-poly1305 cipher crypto cryptography nodejs poly1305 rfc7539

Last synced: 03 May 2026

https://github.com/tranvansang/crypto-report

Cryptography lecture report in M1 at the university of Tokyo

checksum cryptography damm hash-functions isbn quasigroup

Last synced: 27 Feb 2026

https://github.com/samuel-lucas6/covertpadding

An implementation of the Covert Encryption randomised padding scheme.

crypto cryptography encryption padding purb

Last synced: 27 Mar 2025

https://github.com/z1ph1us/milksad-mnemonic-generator

This tool generates BIP-39 mnemonic phrases derived from Unix timestamps, exploring the 'Milk Sad' vulnerability's implications (CVE-2023-39910)

bip39 bitcoin bitcoin-wallet blockchain bx cryptocurrency cryptography cve-2023-39910 entropy exploit milk-sad mnemonic-generator multi-language security-tool seed-phrase unix-timestamp vulnerability wallet-security

Last synced: 12 Mar 2026

https://github.com/mostafa-wael/number-theory-and-cryptography-rsa

The RSA assignment from Coursera course "Number Theory and Cryptography"

coursera cryptography rsa

Last synced: 16 Mar 2025

https://github.com/samuel-lucas6/daence.net

A .NET implementation of ChaCha-Daence.

aead chacha20 crypto cryptography daence hchacha20 poly1305 siv xchacha20

Last synced: 27 Mar 2025

https://github.com/yashkarthik/steno_hide_text

Hide text in an image with steganography.

cryptography image-manipulation python steganography

Last synced: 11 Mar 2026

https://github.com/machu-gwu/windtalker-project

Encrypt and decrypt text, binaries, files, and directories with a variety of cipher options.

cryptography encryption python tool

Last synced: 13 Feb 2026

https://github.com/jenson073/factorization_algorithms

This project was designed as a simple exploration of RSA algorithm vulnerabilities, particularly focusing on the factorization problem. It's an excellent example of how web technologies can be applied to explore and demonstrate cryptographic concepts.

cryptography factorization information-security rsa

Last synced: 14 Mar 2025

https://github.com/scotow/pac

Scripts made throughout the PAC courses (Lille University)

course cryptography lille university university-project

Last synced: 09 Jun 2026

https://github.com/spectre7651/crypta

Reasonably Good Encryption and Decryption Software (Python 3)

cryptography cybersecurity encryption python3

Last synced: 05 Jun 2026

https://github.com/timjp87/elixir_bls

Wrapper around the Herumi BLS 12-381 Elliptic Curve construction and signature aggregation scheme.

cryptography ecdsa-cryptography ecdsa-signature elixir elixir-lang signatures

Last synced: 30 May 2026

https://github.com/chubek/mathcord

Discord Math Bot using Custom-Made Shunting Yard (WIP), Custom-Made SHA-512, Custom-Made ED25519

cryptography cryptography-algorithms discord discord-bot ed25519 edwards-curve edwards25519 go golang golang-bot golang-discord sha-512

Last synced: 15 May 2026

https://github.com/gers2017/cerberus

Cerberus, guardian of the underworld. A Python CLI tool to cipher your data

cesar-cypher cli cryptography cypher developer-tools python

Last synced: 11 Mar 2025

https://github.com/bodrovis-learning/cryptobits-yt-series

Серия уроков Crypto bits на YouTube

crypto cryptocurrency cryptography

Last synced: 15 May 2025

https://github.com/dilbwagsingh/des-app

A simple app to demonstrate the power of the DESfiddle package

avalanche-effect cryptography data-encryption-standard desfiddle pypi-package python weak-keys

Last synced: 16 Jan 2026

https://github.com/thefish/gogost

Cypherpunks.ru gogost mirror

cryptography encryption-algorithms gost russian

Last synced: 14 Jan 2026

https://github.com/fa7ad/bad-ciphers

A collection of bad ciphers

cryptography hacktoberfest hacktoberfest2023

Last synced: 21 Jan 2026

https://github.com/anishlearnstocode/lsb-image-steganography

Hiding Messages inside Pictures 🖼 using Least Significant Bit (LSB) Steganography 🔐.

cryptography lsb-steganography steganography

Last synced: 18 Mar 2025

https://github.com/juliangrtz/mightyxor

.NET cryptography suite supporting one-time pads, Shamir secret sharing and plausible deniability

crypto cryptography cryptosuite decryption encryption one-time-pad otp plausible-deniability quantum-computing security shamir-secret-sharing shamirs-secret-sharing xor

Last synced: 02 Jun 2026

https://github.com/devprojectekla/cryptoman-gui

This is a simple kivy application to encrypt and decrypt files or a whole directory tree.

cryptography kivy-application kivy-framework python

Last synced: 27 Feb 2026

https://github.com/magical/skein

The Skein hash function and Threefish block cipher

cryptography

Last synced: 24 Mar 2025

https://github.com/interkosmos/lucifer

Lucifer block cipher in FORTRAN 77

cipher cryptography des encryption fortran fortran-77 lucifer

Last synced: 13 Feb 2026

https://github.com/contisimone99/bulletin-board-system

Cryptography-focused messaging platform with Perfect Forward Secrecy, developed for cybersecurity education. Implements secure user registration (email challenge-response), encrypted message posting, and replay attack protection using raw OpenSSL primitives.

bulletin-board cpp cryptography openssl

Last synced: 02 Jul 2025

https://github.com/eldersantoss/pycertmanager

Module to assist in the programmatic management of PFX digital certificates on Windows operating system.

certificate cryptography pfx pki powershell windows

Last synced: 20 Jan 2026

https://github.com/dmberezovskyii/secure-test-automation

Cipher is a Python library for encrypting and decrypting passwords, designed for integration with automated testing frameworks such as Selenium, Appium, Playwright, and others. It ensures secure password storage and allows retrieving keys from remote vaults to decrypt configuration files.

appium automated-testing aws-kms crypto cryptography decryption encryption playwright python3 secure-storage selenium selenium-sercrets vault

Last synced: 15 Feb 2026

https://github.com/chainsafe/pairings-js

Elliptic Curve Pairings in Pure Javascript

cryptography elliptic-curves javascript pairings

Last synced: 13 Oct 2025

https://github.com/ashutoshvarma/cryptopals

Challenges from https://cryptopals.com/

aes cryptography cryptopals rust

Last synced: 23 Jul 2025

https://github.com/ajay-dhangar/crypto

My submition for the Microsoft Future Tech 2022 Hackathon

crypto cryptocoins cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography

Last synced: 30 Mar 2025

https://github.com/amul-thantharate/ciphersmith

A powerful and flexible command-line password generator that helps you create strong, secure passwords with ease.

cryptography python sqlite3

Last synced: 23 Jul 2025

https://github.com/artdelpi/seguranca-computacional-vigenere

Este projeto implementa a cifra de Vigenère e ataque por análise de frequência.

cibersecurity cryptography flask vigenere vigenere-cipher

Last synced: 02 Jun 2026

https://github.com/opendream/vanityssh-rust

VanitySSH-Rust is a Rust-based project designed to generate SSH keys with customizable prefixes or patterns. It emphasizes performance and security, leveraging Rust's strengths for efficient cryptographic operations and minimal resource usage.

cryptography key-generation rust ssh vanity-key

Last synced: 16 Jan 2026

https://github.com/axthauvin/cacher-du-texte-dans-du-texte

Python module and its web equivalent, to hide text within text by manipulating bits

cryptography javascript python text

Last synced: 09 Jun 2026

https://github.com/Lemniscate-world/Noun

Build my own blockchain based on TOR protocol

anonimity blockchain cryptography proof-of-stake security tor

Last synced: 13 Oct 2025

https://github.com/0800tim/tournamental

Tournamental — verified tournament prediction game + 3D match renderer (tournamental.com)

betting cryptography prediction prediction-model sports sports-analytics sports-betting sweepstakes

Last synced: 03 Jun 2026

https://github.com/tom474/cryptography_comparative_analysis

[RMIT 2024C] COSC2539 - Security in Computing and IT - Analytical Security Report

asymmetric cryptography hashing security symmetric

Last synced: 04 Mar 2025

https://github.com/innovativeinventor/pylamport

A simple Python library for generating cryptographic Lamport signatures

cryptography identity signature

Last synced: 16 May 2026

https://github.com/abhrankan-chakrabarti/diffsquare

This project is authored by Abhrankan Chakrabarti and demonstrates an efficient implementation of Fermat’s Difference of Squares method for factoring large integers. The implementation is written in Rust and utilizes the malachite crate for arbitrary-precision arithmetic.

biginteger cryptography fermat numbertheory opensource rustlang

Last synced: 09 Apr 2025

https://github.com/priyakdey/sigil

Sigil is a minimal-dependency, lightweight and modular cryptographic library in Java, for working with JSON Object Signing and Encryption (JOSE) family of standards. It supports secure signing, encryption, key handling and encoding/decoding of JWT, JWS, JWE components.

cryptography java jose jwa jwe jwk jws jwt

Last synced: 23 Jun 2025

https://github.com/alexfariakof/easycryptosalt

Biblioteca simples e eficiente para operações criptográficas em .NET. Usando o algoritmo SHA-256, juntamente com a capacidade de comparar hashes utilizando uma chave e um salt.

codeql cryptography cryptography-algorithms csharp dotnet dotnet-core gitactions-workflow githubpackages nuget-package reportgenerator salt sha256-crypt singleton-pattern sonarcloud xunit xunit-tests

Last synced: 21 Jan 2026

https://github.com/h3nry-d1az/trsa

Minimal textbook RSA implementation

c cryptography rsa

Last synced: 13 Jan 2026

https://github.com/nobleknightt/gravityfalls

Implementation of Famous Ancient Ciphers and Encryption Techniques

ciphers cryptography morse-code python

Last synced: 14 Dec 2025

https://github.com/arthursudbrackibarra/t2-seguranca-de-sistemas

Trabalho 2 de Segurança de Sistemas.

cryptography java rsa security

Last synced: 22 Mar 2025

https://github.com/mamolinux/simple-pwgen

Very simple Python3-based GUI application to generate secure and random password.

cryptography debian linux-mint password-generator python3 ubuntu

Last synced: 03 Apr 2026

https://github.com/abstractionslab/c5dec

C5-DEC (Common Criteria for Cybersecurity, Cryptography, Clouds – Design, Evaluation and Certification) part of the CyFORT project: a suite of methods and CAD tools dealing with the creation and evaluation of secure IT systems according to the CC standards, capturing SSDLC, V&V, and our cyber-physical system security assessment method

asciimatics bootstrap cad common-criteria cryptography cybersecurity devsecops doorstop flask git openproject pandoc project-management python3 quarto resource-management secure-software ssdlc system-security-risk-assessment threat-modelling

Last synced: 06 Jan 2026

https://github.com/kuanhungchen/spring-2021-network-security

🔐 Implementation of encryption algorithms such as AES, Miller-Rabin and Elliptic Curve ElGamal.

aes-encryption cryptography elgamal-encryption elliptic-curve-cryptography encryption-decryption miller-rabin-algorithm network-security

Last synced: 15 May 2026

https://github.com/yazatamorph/pinkdf2

Gleam bindings to fast_pbkdf2 NIF for PBKDF2 (Password-Based Key Derivation Function 2) on Erlang.

cryptography erlang gleam

Last synced: 10 Apr 2025

https://github.com/vlsergey/seccookie

Java library for security cookies, client-side pieces of data protected from reading and modifications by client with strong cryptography

cookie cookies cryptography cryptography-library java java-library security

Last synced: 03 Jul 2025

https://github.com/chihsiao/eva4j

JNI Wrapper for EVA: JVM & Android Support with Kotlin DSL

cryptography homomorphic-encryption

Last synced: 24 Mar 2025

https://github.com/akhilkailas017/file-xor-encryptor

This repository is used to encrypt and decrypt files in computer using XOR. Based on Python

auto-py-to-exe cryptography encryption pyinstaller python xor

Last synced: 04 Jun 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/myndscript/qalx

Quantum Level Security

algorithms cryptography

Last synced: 14 Jan 2026

https://github.com/hubert-kniola/diffi-hellman-algorithm

Algorithm based on the calculation of discrete logarithms in finite bodies

cryptography csharp diffie-hellman-algorithm

Last synced: 12 Apr 2025

https://github.com/masajinobe-ef/prsc

🔐Free cross-platform password manager on Flask, Python, SQLite with Cryptography

cross-platform cryptography database flask linux macos password password-manager python security sql sqlite web-development windows

Last synced: 01 Aug 2025

https://github.com/markus28/steganography

Steganography: Encrypt and hide any data in an image, video or audiofile

cryptography python steganography

Last synced: 18 Aug 2025

https://github.com/umstek/magnum-cipher

Proof-of-concept Product Cipher using cryptography classics (CS3052 Computer Security - Assignment)

cryptography encryption-algorithm product-cipher substitution-permutation-network

Last synced: 11 Jun 2025

https://github.com/onlyf0ur/c-hashcracker

A simple and hyperfast HashCracker written in C.

c cryptography hashcracker

Last synced: 17 Mar 2025

https://github.com/octocorvus/broccoli_salsa

Salsa20 stream cipher implementation in Rust.

ciphers cryptography rust

Last synced: 16 Mar 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/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/hubert-kniola/digitalsignature

Simple program to verify signature created by RSA cryptography algorithm

cryptography ed25519 rsa

Last synced: 12 Apr 2025

https://github.com/antelle/pkcs15-smartcard-sign

Signatures from PKCS #15 smartcard in node.js

cryptography nodejs pkcs15 signature smartcard

Last synced: 28 Apr 2026

https://github.com/wangray/matasano-crypto

Matasano Crypto Challenges in python

cryptography

Last synced: 03 Jul 2025

https://github.com/scorpi-on/richelieu-feistel-cipher

Web app that implements the Richelieu cipher and the Feistel network for encrypting text data. A project for studying frontend using a ready-made component kit. Lab work on Program and Data Security (Oct 2024, 7th semester of university).

cryptography daisyui feistel-network frontend lab-work richelieu-cipher tailwindcss university-project

Last synced: 28 Apr 2026

https://github.com/randombit/randomized-montgomery

Expermental implementation of randomized Montgomery exponentiation

cryptography python

Last synced: 25 Mar 2025

https://github.com/projects-developer/fake-news-detection-using-machine-learning-project

Live Fake news detection refers to the process of identifying and flagging false or misleading informion presented as news. Live Fake news detection using machine learning. Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

blockchain btech-project computer-science-projects computerscienceprojects cryptography fakenewsdetection final-year-projects finalyearproject finalyearprojects iee-projects machinelearning major-project minor-project mtech-project webdevelopment

Last synced: 17 Feb 2026

https://github.com/arpitgo4/bitcoin-wallet

Browser based Bitcoin wallet implementation.

bitcoin-wallet cryptocurrency cryptography react-router reactjs

Last synced: 29 Apr 2026

https://github.com/minhngt62/cryptography-vigenere

A simulation for vigenere cipher and its attacking methods

cryptanalysis cryptography kasiski-examination python vigenere-cipher

Last synced: 10 Oct 2025

https://github.com/texadactyl/cloaking.py

Pythonic password-based security of a single file or a single file system archive file.

cryptography encryption-decryption password-based pycrypto python python-3 python3

Last synced: 01 Aug 2025

https://github.com/codesteel/expressjs-login-application

Login/Register/And Password Reset into one Repository.

authentication cryptography expressjs login

Last synced: 01 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 118 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 Contributed talks, posters and presentations 295 The list 248 Talks, posters, and presentations 243 Cryptography 174 Papers 173 Resources 159 Tutorials 158 Research papers and publications 141 Uncategorized 129 2018 101 Tools 95 Blockchain Explorers 89 MEV 89 Blockchain Playgrounds 81 Learning Resources 75 Research Groups 72 Misc 68 Blockchains 68