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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/arindal1/morsecode-translator

A Morse-Code Generating web-app based on JavaScript.

cryptography development front-end javascript morse-code webapp

Last synced: 09 Apr 2025

https://github.com/breezy-codes/cryptography-guide

A collection of different cryptographic algorithms and ciphers, including the maths behind each algorithm. This is an ongoing project that will be added to over time, with the aim of providing a comprehensive resource for learning about cryptography. The project includes both the code for the algorithms and explanations of how they work.

ceaser-cipher cryptographic-algorithms cryptography cryptography-algorithms digital-signatures hill-cipher maths matrix-algebra number-theory public-key-cryptography rsa-algorithm steganography steganography-encoding

Last synced: 09 Aug 2025

https://github.com/dsprenkels/sss-hs

Haskell bindings for my Shamir secret sharing library

cryptography shamir-secret-sharing

Last synced: 16 Mar 2025

https://github.com/abdulahshoaib/passcrypt

Open source password manager

cryptography go golang security-tools

Last synced: 29 May 2026

https://github.com/mukaschultze/diffie-chat

AES-CBC encrypted chat with elliptic-curve Diffie-Hellman key exchange, running on Angular

aes-cbc aes-encryption angular cryptography diffie-hellman elliptic-curves key-exchange-algorithms

Last synced: 21 Jan 2026

https://github.com/lancern/enigma

Enigma machine emulator and its crack procedure on modern computers

cryptography enigma enigma-machine rust

Last synced: 28 Mar 2025

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/cachekit-io/cachekit-core

LZ4 compression, xxHash3 integrity, AES-256-GCM encryption for byte payloads

aes-gcm compression cryptography encryption lz4 rust

Last synced: 13 Jan 2026

https://github.com/alexruzin/cryptog

A cryptographic wrapper library for the Go programming language

aes-encryption cryptography rsa-encryption

Last synced: 21 Nov 2025

https://github.com/umitkrkmz/chaotic_audio_steganography

Official Python implementation of "Secure Audio Steganography using Vectorized LSB and Chaos-Based Encryption" (DOI: 10.64470/elene.2025.12).

audio-processing chaos-theory chaotic-maps cryptography image-encryption lsb-steganography pyside6 python research-paper steganography

Last synced: 13 Jan 2026

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

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

c cloaking-utility cryptography encryption-decryption libgcrypt password-based

Last synced: 04 Apr 2025

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/cpscript/qrcryptography

Experimental post-quantum cryptographic framework implementing hybrid lattice-based encryption with hash based signatures. Combining Ring-LWE, standard LWE, and Merkle trees for defense against classical and quantum attacks.

cryptographic-research cryptography experimental hash-based-signatures python quantum-resistant ring-lwe

Last synced: 04 Sep 2025

https://github.com/ryleeharrison/iv-crypto

More of an example, not recommended for production use

cryptography cypher

Last synced: 26 Mar 2025

https://github.com/zengzengzenghuy/cryptography-with-rust

Repository for building cryptography related project in Rust. For personal learning purpose only.

cryptography rust-lang

Last synced: 02 Apr 2025

https://github.com/vonderklaas/python-password-manager-cli

This is application which imitates a password book, where you can add passwords into the file, or you can view your passwords from the file

cryptography python

Last synced: 22 Jun 2026

https://github.com/magical/go-ascon

Go implementation of Ascon-128, Ascon-Hash, Ascon-Xof, Ascon-128a and Ascon-Hasha

cryptography

Last synced: 24 Mar 2025

https://github.com/sayalisachin/medicrypt

This is a Hospital Communication System Using DNA Encryption and Image Steganography This project enables secure communication between two hospitals, Hospital A and Hospital B, by encrypting and hiding sensitive patient data within images using DNA encryption and Least Significant Bit (LSB) steganography techniques, powered by Socket.IO

cryptography dna dna-sequencing information informationsecurity lsb lsb-steganography manipal-institute-of-technology matplotlib pandas pillow security socket-io steganography streamlit websocket

Last synced: 13 Apr 2026

https://github.com/simplito/privmx-endpoint-csharp

C# wrapper for PrivMX, a platform allowing developers to build end-to-end encrypted apps used for communication through text messages, real-time data streaming and secure file exchange and storage.

chat communication cryptography data-transfer decryption e2ee end-to-end-encryption files messages messaging privacy privacy-protection private privmx secure simplito storage thread zero-knowledge

Last synced: 29 Jun 2025

https://github.com/suvasish114/non-adaptive-partial-image-encryption

An image encryption project, proposed by Barrackpore Rastraguru Surendranath College's department of computer science undergraduates under Dr. Sukalyan Som's mentorship on adaptive partial image encryption of grayscale image based on chaos.

cryptography encription imageencryption imageprocessing opencv python

Last synced: 13 Apr 2026

https://github.com/tuxxy/speck

A no_std implementation of NSA's lightweight blockcipher SPECK

cryptography encryption lightweight-cryptography rust rust-crypto security speck

Last synced: 24 Apr 2025

https://github.com/qalle2/md5-algo

MD5 implementation in Python

command-line cryptography md5 python3

Last synced: 28 May 2026

https://github.com/bytedev/bytedev.crypto

Provides simple cryptographic related classes for hashing/verifying data, encrypting/decrypting data and creating random data in .NET.

crypto cryptography csharp encrypting hashing random

Last synced: 01 Jul 2025

https://github.com/rwilliamspbg-ops/smp-zk-proofs

A Rust library providing verifiable aggregation ledgers in distributed spatial networks. It implements deterministic zero-knowledge proof (ZKP) and verification pipelines for local data processing—specifically validating location constraints and machine learning training updates—using a flexible API designed for seamless integration with Halo2

arkworks cryptography halo2 machine-learning privacy-preserving rust spatial-networks verifiable-computation zero-knowledge-proofs zkp

Last synced: 22 Jun 2026

https://github.com/cmyers/json-record

A lightweight, zero-dependency library for creating deterministic, tamper-evident append-only logs.

cryptography hashchain integrity json ledger

Last synced: 03 Feb 2026

https://github.com/h0llyw00dzz/csr-generator

The CSR Generator is a Go package that provides functionality for generating Certificate Signing Requests (CSRs) and private keys. It simplifies the process of creating CSRs with specified common names and Subject Alternative Names (SANs).

cryptography go idiomatic-go pki-tools pkix security-tools ssl-certificates

Last synced: 02 Sep 2025

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/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/ayoub-aberbach/complex_it

Complex it - Complex Passwords Generator

cryptography css javascript reactjs

Last synced: 23 Mar 2025

https://github.com/csnp/qramm-tls-analyzer

TLS/SSL security analyzer for quantum readiness assessment and CNSA 2.0 compliance

cbom cnsa cryptography golang post-quantum-cryptography pqc quantum-computing security security-scanner ssl tls

Last synced: 13 Jan 2026

https://github.com/tom-auger/xchacha-dotnet

A .NET wrapper for the XChaCha APIs in the libsodium crypto library

crypto crypto-library cryptography libsodium xchacha xchacha-dotnet xchacha20-poly1305

Last synced: 14 Jan 2026

https://github.com/yawning/edwards25519-extra

Go ed25519 extras (mirror)

crypto cryptography ed25519 h2c vrf

Last synced: 24 Jun 2026

https://github.com/taiizor/uuid

A modern, high-performance UUID library for .NET ecosystem. Features time-ordered identifiers, cryptographic security, multiple encoding formats (Base32/Base64), and seamless Guid compatibility. Thread-safe, cross-platform, and perfect for distributed systems. 🚀

base32 base64 cross-platform cryptography csharp distributed-systems dotnet guid identifier netcore netstandard performance thread-safe time-ordered uuid

Last synced: 19 Jul 2025

https://github.com/tywil04/passwordmanager

Simple PasswordManager written using Go and Svelte. Its simple and insecure and it was created as part of a college assignment.

aes-256-cbc college college-project computer-science cryptography email email-alias gin-gonic golang gpl3 insecure pbkdf2 svelte svelte-kit

Last synced: 18 Jan 2026

https://github.com/ocdbytes/ecdsa-node-blockchain

This project is an example of using a client and server to facilitate transfers between different addresses. Since there is just a single server on the back-end handling transfers, this is clearly very centralized. We won't worry about distributed consensus for this project.

cryptography ethereum-cryptography javascript publickey-cryptosystem vitejs

Last synced: 13 Apr 2026

https://github.com/moosesue/modular-inverses

Modular inverse discussion leading to single character RSA demo.

cryptography modular-inverse number-theory rsa rsa-algorithm rsa-cryptography rsa-decryption

Last synced: 23 Jun 2026

https://github.com/tsmx/string-crypto

Easy encryption and decryption for strings in NodeJS.

aes cipheriv crypto cryptography encryption string

Last synced: 22 Feb 2026

https://github.com/awais922609/cyber-security-interview-question-answers

Welcome to the Cybersecurity Questions and Answers Repository! This project aims to create a comprehensive collection of questions and answers related to various cybersecurity topics. Whether you’re a beginner looking to learn or a seasoned professional wanting to share your knowledge, this repo is the perfect place for you.

cryptography cybersecurity grc network-engineer networking penetration-testing security-engineering security-operations-center

Last synced: 08 Jan 2026

https://github.com/exploide/ulpcrypt

Implementation of the U-LP Cryptosystem

cryptography cryptography-library

Last synced: 06 Sep 2025

https://github.com/smayya337/libcodebusters

Encoding and decoding various ciphers in Python

cipher ciphers cryptography python

Last synced: 12 Mar 2026

https://github.com/moeraorg/python-moeralib

Python library to interact with Moera decentralized social network

cryptography decentralized library moera python python-library python3 social-network

Last synced: 05 Jan 2026

https://github.com/sohnryang/ecdsa-python

ECDSA implementation in Python (DO NOT USE IN PRODUCTION)

cryptography ecdsa python

Last synced: 14 Jun 2025

https://github.com/xannythepleb/pycryptx

PyCryptX - an X25519 + Ed25519 + ChaCha20 + BLAKE2b based public key encryption program in Python. This is an unaudited hobby project!

blake2b chacha20 cryptography curve25519 ed25519 encryption-decryption hkdf public-key-cryptography python-encryption python3 x25519

Last synced: 07 Jun 2026

https://github.com/octocorvus/broccoli_salsa

Salsa20 stream cipher implementation in Rust.

ciphers cryptography rust

Last synced: 16 Mar 2025

https://github.com/go-compile/rome

The Elliptic and Edward Curve cryptography library built for multi-curve use. Unified crypto interface for ECDSA, EdDSA, ECIES and ECDH. NIST Curves, Brainpool, Ed25519, Ed448.

crypto cryptography ecdh ecdsa ecies ed25519 edwards-curve elliptic-curves encrypt multi-curve p521

Last synced: 15 Apr 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/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/krutonium/arbitarycompression

"Compresses" Arbitrary files using MD5 cryptography. In theory, one can fully recover all the data, if they throw enough CPU power at it.

actually-terrible compression cryptography md5

Last synced: 10 Apr 2025

https://github.com/ardatetikbey/ruby-kriptografi-101

Ruby programlama dilinde şifreleme hakkında doküman

cryptography ruby sifreleme

Last synced: 06 Jul 2025

https://github.com/bklockly/shadowmeld

🕶️ 隐蔽Shellcode嵌入与反检测加载器生成框架 / Stealthy Payload Delivery Framework with Anti-EDR Capabilities

bypass-antivirus bypass-av cipher cryptography hacking hide-files image-steganography lsb-steganography security shellcode shellcode-loader

Last synced: 16 Mar 2025

https://github.com/magical/keccak

The Keccak hash function (SHA-3)

cryptography

Last synced: 10 Jan 2026

https://github.com/mohamed/pysss

A Python implementation of Shamir's secret sharing algorithm

computer-security cryptography

Last synced: 14 Jan 2026

https://github.com/vitkarpenko/cryptopals

:anger: Solving the cryptopals crypto challenges in Python for fun and profit!

challenge cryptography cryptopals python

Last synced: 15 May 2025

https://github.com/adiwajshing/simplecrypto

All coding work done for Ashoka University CS-2362

aes cryptography curve elgamal sign-verification signing verification

Last synced: 28 Feb 2025

https://github.com/gat786/cryptography

Python scripts for the basic crytography techniques that are taught in our college

ciphers cryptography python3

Last synced: 17 Mar 2025

https://github.com/virgilsecurity/virgil-pythia-x

Virgil Pythia SDK allows developers to communicate with Virgil Pythia Service and implement Pythia protocol in order to generate a BrainKey.

brainkey cryptography encryption pythia pythia-sdk sdk virgil-pythia

Last synced: 09 May 2025

https://github.com/deadblackclover/ed25519_to_curve25519

Convert ed25519 keys and sign to curve25519

crypto cryptography curve25519 ed25519 rust

Last synced: 13 Jan 2026

https://github.com/guppster/languageneutralitybiowearablequantumsearcher

Utilities advanced cryptography to analyze biodegradable quantum mechanics inside an active-reactive cross-platform blockchain environment

blockchain cryptography quantum-computing reactive-programming wearable

Last synced: 01 Mar 2025

https://github.com/dag0310/otp-crypto

Pseudo one-time pad crypto library for plaintext data exchange.

crypto cryptography encryption key library one-time-pad otp perfect-secrecy random xor

Last synced: 18 Jan 2026

https://github.com/amculin/php-vigenere-cipher

Simple implementation of Vigenere Cipher algorithm in PHP, also implement modification to support alpha-numeric characters

classical-cryptography cryptography php php82 php83 vigenere-cipher

Last synced: 07 Jun 2026

https://github.com/yash22222/cryptobank

Crypto Bank is a decentralized blockchain application that enables secure transactions between users. It allows users to create and manage transactions, mine blocks, and validate the blockchain. With a focus on transparency and security, Crypto Bank ensures the integrity of transaction records in a reliable digital currency platform.

backend blockchain blockchain-technology cryptocurrencies cryptography crytobank decentralized-applications flask frontend mining validity

Last synced: 14 May 2026

https://github.com/elamani-drawing/huffmanrs

Huffmanrs est une bibliothèque Rust permettant d'encoder et de décoder du texte en utilisant le codage de Huffman.

compression crates-io cryptography encodage encoding huffman huffman-coding huffman-compression-algorithm rust rust-lang

Last synced: 07 Oct 2025

https://github.com/jjordanoc/rsa-encryption

A simple implementation of RSA encryption for arbitrary strings

cryptography number-theory rsa-encryption

Last synced: 24 Jun 2026

https://github.com/ericlagergren/ocb3

OCB3 - Offset Codebook Mode

cryptography ocb ocb3

Last synced: 14 Jan 2026

https://github.com/dilbwagsingh/electronic-voting

A simple yet secure online voting app

cryptography expressjs mongo nodejs reactjs

Last synced: 16 Jan 2026

https://github.com/edeckers/lib1password-unofficial

Educational TypeScript implementation of 1Password's security model with interactive explainer. Covers Secret Key generation, PBKDF2 key derivation, and AES-256-GCM vault encryption

1password aes-256 cryptography educational encryption interactive-demo password-manager pbkdf2 pet-project security srp typescript web-crypto

Last synced: 28 Feb 2026

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/volhovm/rsa-zkps-impl

ZK protocols for knowledge and range of Paillier-like ciphertexts in subverted RSA groups

cryptography zero-knowledge

Last synced: 24 Jun 2026

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/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/btylrob/apikitten

API Key and Token Storage App with AES Encrpytion

aes command-line cryptography go golang

Last synced: 26 Feb 2025

https://github.com/blester125/kasiski_examination

Kasiski Examination written to break a Vigenere Cipher for CS 1653 includes a C Red-Black tree impelmenatation

cryptography kasiski-examination red-black-tree

Last synced: 21 Jan 2026

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/myndscript/qalx

Quantum Level Security

algorithms cryptography

Last synced: 14 Jan 2026

https://github.com/fullscreen-triangle/mzekezeke

Zero-cost multi-dimensional environmental cryptography framework that transforms communication security from computational complexity to physics-based guarantees

cryptography encryption-algorithms encryption-decryption

Last synced: 12 Oct 2025

https://github.com/marlonbarcarol/enigma-engine

An encryption algorithm with the implementation of the enigma machine

cipher cryptography encryption enigma enigma-machine javascript substitution-cipher typescript

Last synced: 15 May 2025

https://github.com/aead/sio

Go implementation of the Data At Rest Encryption (DARE) format.

cli cryptography encryption

Last synced: 14 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/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/bahanix/chatchan

End-to-end encrypted chat in your browser

chat cryptography end-to-end web-app

Last synced: 13 Oct 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/chainsafe/pairings-js

Elliptic Curve Pairings in Pure Javascript

cryptography elliptic-curves javascript pairings

Last synced: 13 Oct 2025

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