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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/shyamsunder149/ctf-notes

CTF Notes made for my references for Solving CTFs

cryptography forensics notes python steganography

Last synced: 13 Jun 2026

https://github.com/manuelpuebla/hermite_iopp

High-performance Rust implementation of Interactive Oracle Proofs of Proximity (IOPP) for Hermitian curves over binary fields. Features bitsliced F₂⁴ arithmetic with 16× speedup.

algebraic-geometry bitslicing cryptography fri hermitian-curves iopp rust zero-knowledge-proofs

Last synced: 23 May 2026

https://github.com/hostileninja72/encryption-tool

A tool used to encrypt using different algorithms.

aes chacha20 command-line-tool cryptography python rsa

Last synced: 02 Mar 2025

https://github.com/hazae41/x25519

X25519 adapter for WebAssembly and JS implementations

adapter browser cryptography curve25519 javascript typescript webassembly x25519

Last synced: 03 Feb 2026

https://github.com/pjiwm/goodcoin

Simple blockchain implementation of a cryptocurrency written Python. CLI with miner and wallet functionality.

blockchain blockchain-technology cryptocurrency cryptography python

Last synced: 13 Jun 2026

https://github.com/simonbrandner/crypto-intro-slides

Slides for a presentation I gave to some of my friends to introduce them to cryptography

cryptography slides typst

Last synced: 16 Feb 2026

https://github.com/trinetra110/chronocrypt

ChronoCrypt is a powerful CLI-based encryption tool that allows users to create time-locked secure notes that self-destruct after a specified duration. It uses AES-256 encryption (CBC mode) to securely store sensitive information, ensuring that notes are unreadable beyond their expiry time.

cryptography cybersecurity-tools secure-delete

Last synced: 25 Jul 2025

https://github.com/boolangery/d-cryptonote

d binding for cryptonote hash library

cryptography cryptonote d dlang

Last synced: 25 Jul 2025

https://github.com/jimouris/ring-signatures

A Rust implementation of ring signatures using Ristretto.

crypto cryptocurrency cryptography monero ring ring-signature ring-signature-scheme ring-signatures

Last synced: 15 May 2026

https://github.com/carlosmakin/enigma-cli

A simple command-line interface for encrypting and decrypting data.

cli cryptography dart

Last synced: 24 Aug 2025

https://github.com/gatanegro/quantumcom

Quantum in Unified Oscillatory Field Theory and the Collatz Octave Framework

bells collatz cryptography dynamics entanglement-entropy holography inequality nonlinear quantum qubit uoft

Last synced: 25 Jul 2025

https://github.com/billowdev/cryptography-techniques-example

วิทยาการเข้ารหัสลับ cryptography techniques

algorithm cryptography encryption

Last synced: 25 Jul 2025

https://github.com/0x41337/mnemonic-vault

The mnemonic vault is a layer zero (L0) vault for creating secure archives where only the owner can access their contents.

cli cryptography safes self-sovereignty

Last synced: 25 Jul 2025

https://github.com/cadeke/lets-go

lets-go is a simple CLI application written in Go for encrypting and decrypting files.

cli cryptography decryption encryption golang

Last synced: 05 Jun 2026

https://github.com/mlziade/keycrypt

A fun and challenging puzzle website. You can create puzzles for friends and other players to solve! Only then can they decrypt your message...

cryptography django game puzzle puzzle-game

Last synced: 15 May 2026

https://github.com/khaydarov/itmo-crypto-lab

Crypto System from ITMO cryptography course

crypto-systems cryptography nodejs

Last synced: 25 Jul 2025

https://github.com/sadijr/pre-desafio-labsec

Pré desafio do Processo Seletivo PBAD/LabSEC 2019/1, necessário para as etapas subsequentes do mesmo.

aes-128 cryptography xor-cipher

Last synced: 29 Oct 2025

https://github.com/mikebrown0409/project-fuse

Zero-knowledge proof system for verifiable compliance envelopes. Proves compliance checkers executed correctly without revealing sensitive data. Built with RISC Zero zkVM. Phase 1 complete.

audit compliance cryptography gdpr privacy-preserving regulatory-compliance risc-zero rust soc2 zero-knowledge-proofs zkp zkvm

Last synced: 11 Jan 2026

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

Cryptographic core for E2E verifiable voting system with everlasting privacy and coercion resistance via post-cast isolation

cryptography evoting

Last synced: 06 Apr 2026

https://github.com/igorfonseca05/curso-ciberseguranca

Repositório dedicado aos estudos de cibersegurança, com práticas e conceitos essenciais. 🔐🛡️ Inclui scripts, anotações e experimentos sobre proteção de sistemas e redes. 💻⚡

cibersecurity cryptography hash igorfonseca05 security webdevelopment

Last synced: 17 Mar 2025

https://github.com/rkstudio585/en-de-cryptor

The Encryptor/Decryptor Tool is a Python application for securely encrypting and decrypting messages using a user-friendly interface, featuring key generation, message encryption, and decryption, all powered by the rich library and cryptography for security.

cryptography decryption encrypted-message encrypted-message-and-text encrypted-text encryption encryption-decryption pyfiglet rich terminal-app user-interface

Last synced: 29 Dec 2025

https://github.com/shireee/gpu-file-encryption

library for encode/decode files on gpu using cryptographic algorithms

cpp cryptography gpu-computing

Last synced: 17 Mar 2025

https://github.com/mikehorn-git/cryptography-c

Simple hash implementations in C/C++.

botan cryptography openssl

Last synced: 26 Jul 2025

https://github.com/tn3w/stem-rs

A complete Rust library for Tor control protocol — build privacy-focused applications with type-safe, async-first APIs

anonymity async control-protocol cryptography onion-routing privacy rust security socks-proxy stem tokio tor tor-controller

Last synced: 11 Jan 2026

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/rurumimic/siege

🏰 공성전

aes cryptography rsa rust security tls

Last synced: 27 Jul 2025

https://github.com/abdulsamie10/rsaencryptiondecryption

This repository contains code of encryption and decryption of data using RSA. Developed in Java.

aes aes-128 aes-256 aes-encryption aes256 cryptography eclipse java java-8 rsa rsa-cryptography rsa-decryption rsa-encryption rsa-java

Last synced: 07 Nov 2025

https://github.com/daleksla/present

Implementations of the PRESENT algorithm for a Rasberry Pi PICO

c11 cmake cryptography rasberry-pi-pico

Last synced: 20 Jun 2025

https://github.com/julyanvdw/cryptographic-chat-app

An encrypted chat application built with python. Implements wireguard security protocol

cryptography customtkinter decryption encryption gui python wireguard

Last synced: 20 May 2026

https://github.com/tkhoa2711/wieners-attack-rsa

An implementation of Wiener's attack on RSA public key

cryptography java security

Last synced: 28 Jul 2025

https://github.com/dchest/mldsa-wasm

ML-DSA-65 postquantum signatures in WebAssembly

cryptography ml-dsa ml-dsa-65 postquantum signatures webcrypto

Last synced: 19 Sep 2025

https://github.com/i5ar/eccrypt

Encrypt your file with ease.

cryptography

Last synced: 28 Jul 2025

https://github.com/pauluswi/alpine

Is a microservice which provides credential (pin) service. Credential are stored at hashed format with salt.

cryptography fintech go golang jwt microservice payment rest-api salt

Last synced: 19 Sep 2025

https://github.com/botti01/cryptography

This Repository is based on the "Cryptography" course @polito, it provides a foundational introduction to cryptography, focusing on state-of-the-art cryptographic algorithms essential for computer system security.

c capture-the-flag cryptography openssl python

Last synced: 15 Jun 2026

https://github.com/eyes12/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 shift-cipher tool

Last synced: 16 Jun 2025

https://github.com/joooook/cryptography-lab

BUAA Cryptography Lab

buaa crypto cryptography des

Last synced: 05 May 2025

https://github.com/cryptography-research-lab/go-cycle-string

循环字符串数据结构（CycleString）

cryptography data-structures utils-library

Last synced: 12 Jan 2026

https://github.com/levigo/url-crypto-kit

URL cryptography functionality to be used in conjunction with the Spring(tm) Framework

cryptography spring spring-security spring-web urls

Last synced: 01 Mar 2026

https://github.com/projects-developer/cryptography-communication-system-project

This project aims to design and develop a secure communication system using cryptographic techniques, ensuring confidentiality, integrity, and authenticity of transmitted data. Cryptography Communication Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computer-science-project computerscienceproject computerscienceprojects cryptography cybersecurity decryption digitalsignatures encryption final-year-project finalyearprojects integrity keyexchange mtechprojects networksecurity securecommunication secureprotocols

Last synced: 03 Feb 2026

https://github.com/c4mbr0nn3/hybrid-ecc-encryption

Proof-of-concept implementation of hybrid encryption using Elliptic Curve Cryptography (ECC) with multi-user data access control. Demonstrates ECDH key exchange, AES symmetric encryption, and secure Data Encryption Key (DEK) management for enterprise data protection scenarios.

aes cryptography csharp data-protection dotnet dotnet-core ecdh elliptic-curves encryption hybrid-encryption key-management multi-user-access pbkdf2 proof-of-concept security

Last synced: 17 May 2026

https://github.com/serene-arc/word-length-matcher

Tool to identify plaintext from ciphertext word lengths

cipher ciphertext ciphertext-attack corpus cryptography plaintext word-length

Last synced: 11 Apr 2025

https://github.com/hypersign-protocol/snarkjs-bellman

A demo implementation of groth16 using SnarkJs for prover and bellman for verification

cryptography iden3 zeroknowledge zkp

Last synced: 23 May 2026

https://github.com/labex-labs/ctf-for-beginners

In this course, you'll dive into the exciting world of Capture The Flag (CTF) challenges. Learn fundamental cybersecurity concepts and practical techniques through hands-on labs covering hidden files, weak passwords, open ports, misconfigurations, log analysis, directory traversal, environment variable leaks, script analysis, network exploits, a...

beginner capture-the-flag course cryptography cybersecurity forensics hacking hands-on hands-on-labs labex labs linux network-security penetration-testing programming reverse-engineering scripting security-fundamentals vulnerability-assessment web-security

Last synced: 25 Oct 2025

https://github.com/foncki/aes-visualization

An interactive Next.js 13 + TypeScript application that demonstrates AES-128 encryption step by step. Enter plaintext and a 128-bit key (or generate one randomly) to watch each round’s transformations—SubBytes, ShiftRows, MixColumns, and AddRoundKey—unfold in a 4×4 state matrix. Perfect for learning or teaching the internals of AES.

aes aes-encryption cryptography nextjs

Last synced: 29 Jul 2025

https://github.com/rhcarvalho/decrypt-ola

Deciphering some messages

cryptography go golang

Last synced: 02 Mar 2025

https://github.com/rhcarvalho/tiwe

Tiwe is a distributed multiplayer board game

cryptography game golang multiplayer peer-to-peer

Last synced: 29 Apr 2026

https://github.com/hiegz/des

An optimized implementation of the Data Encrpytion Standard (DES) in C

c cryptography des encryption

Last synced: 15 Jun 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/danilosramos/cypher-cpp

Implementação de uma Cifra de Substituição em C++ para demonstrar conceitos de criptografia.

algorithms cpp cryptography object-oriented-programming

Last synced: 15 May 2026

https://github.com/grunmax/gorsaexample

Golang & Cryptography. RSA sample. Base64 and Serialization used.

base64 blowfish cryptography go golang rsa rsa-cryptography serialization sha256

Last synced: 03 Apr 2025

https://github.com/danutama/nextjs-aes-encryption

A simple and secure Next.js application to encrypt and decrypt files using AES CBC. Built with client-side using crypto-js, this app enables users to protect files with 128, 192, or 256-bit AES

advanced-encryption-standard aes aes-cbc aes-cipher aes-encryption algorithm cryptography landing-page nextjs rijndael

Last synced: 15 May 2026

https://github.com/sripwoud/cryptography

Modern Cryptography Primitives 101

basics cryptography primitives

Last synced: 03 Apr 2025

https://github.com/cjpatton/aez

AEZ v3, Robust authenticated encryption.

cryptography

Last synced: 21 Sep 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/andronovo-bit/generateuniquecode

GenerateCampaignCode is a .NET 8.0 project designed to securely generate and validate campaign codes using SHA1 and HMACSHA256 hashing algorithms. The project provides RESTful API endpoints for generating and validating codes, with extensive unit tests to ensure reliability and performance. Built with clean architecture principles.

ci-cd clean-architecture cryptography dotnet dotnet-core generate-code webapi

Last synced: 03 Jan 2026

https://github.com/smilewithkhushi/cryptography-demo

all-in-one hub for all the cryptography techniques for educational purpose (with demo, playground & theory). open to contributors

cryptography decryption encryption nextjs

Last synced: 09 Mar 2026

https://github.com/gabrielnonnemacher/rail-fence-encrypt

✅ Rail Fence Cipher in Java — Java implementation of the Rail Fence cipher with encryption and decryption methods using the zig-zag pattern.

cryptography decrypt encrypt java rail-fence-cipher security

Last synced: 21 Sep 2025

https://github.com/anaselii/tmath

A Cryptography library combining with some linear algebra, created for cryptography staff but may work for computer graphics applications. Disclaimer: I created this library, but I have no idea how it works. It just does. So, may God be with you if you choose to use it!

abstract-algebra cryptography math number-theory

Last synced: 30 Jul 2025

https://github.com/maymeow/verifier

MinSig provides a decentralized and secure way to create, verify, and manage claims using cryptographic signatures and key attestations.

claim cryptography decentralized php verification

Last synced: 22 Sep 2025

https://github.com/albertnieto/ssl_cert_generator

A Python-based tool for generating RSA private keys, creating Certificate Signing Requests (CSRs), and comparing public keys from private keys and CSRs.

cryptography private-key python3 rsa-cryptography

Last synced: 22 Sep 2025

https://github.com/adistrim/rsa-pkcs1_oaep-encryption

🔐 RSA encryption and decryption with PKCS1 OAEP padding scheme. Includes key pair generation, encryption with public key, decryption with private key, and secure cryptographic operations.

cryptography pycryptodome python rsa

Last synced: 02 May 2025

https://github.com/unixpup/genpasswd

Cryptographically secure password generator using libsodium

clang cryptography password-generator security-tools sodium

Last synced: 02 Apr 2025

https://github.com/iboud0/rsa-encryption-and-in-practice

Implementation and exploration of RSA encryption, including its security properties, practical applications, and real-world use cases. A class project to learn and experiment with cryptographic principles

cryptographic-algorithms cryptography cryptography-project encryption python rsa secure-communication security

Last synced: 31 Jul 2025

https://github.com/vghxv/mac_ctf

CTF challenge

cryptography ctf mac

Last synced: 01 May 2026

https://github.com/hazae41/ed25519

Ed25519 adapter for WebAssembly and JS implementations

adapter browser cryptography curve25519 ed25519 javascript typescript webassembly

Last synced: 08 Sep 2025

https://github.com/survi218/https-secure-server

Redirect traffic from the insecure HTTP server to a secure HTTPS server

cryptography https https-server openssl private-key redirecting-requests secure secure-communication tls-certificate

Last synced: 31 Jul 2025

https://github.com/zing-rsa/discord-wallet-verify-backend

Microservice to perform Cardano wallet(signature) verification for discord bots

cardano cryptocurrency cryptography signature-verification

Last synced: 02 Apr 2025

https://github.com/anshvaid4/ul

Repository showcasing the mathematics for cryptography and other cyber related concepts

cpp cryptography cyber-security mathematics university-of-limerick

Last synced: 27 Mar 2025

https://github.com/ureeves/jwt-go-secp256k1

A secp256k1 signature method for dgrijalva/jwt-go.

cryptography golang jwt secp256k1

Last synced: 23 Sep 2025

https://github.com/helixprojectai-code/helix-tel-deploy

Zero-exchange cryptographic key derivation from constitutional AI behavior. Two nodes independently derive an identical encryption key through deterministic convergence — no key transmitted, negotiated, or pre-shared.

ai-safety constituional constitutional-ai convergence cryptography encryption grammar helix-ttd key-derivation llm mesh-network python zero-knowledge

Last synced: 23 May 2026

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

WAVAudioStego is a desktop application designed for audio steganography, which is the art of hiding secret information within an audio file. With this application, users can hide text messages in form of text files within audio audio files and extract them later using a private key.

cryptography steganography

Last synced: 25 Aug 2025

https://github.com/natsalete/algoritmo-des-data-encryption-standard-em-go

This project implements the DES (Data Encryption Standard) algorithm from scratch in Go, without using pre-built cryptography libraries. DES is a symmetric encryption algorithm that uses a block cipher, operating on 64-bit blocks with a 56-bit effective key (64-bit with parity).

56-bit-key 64-bit-blocks block-cipher cipher-blocks cryptography data-encryption-standard decryption des encryption feistel-network go golang key-generation pkcs7-padding s-boxes symmetric-encryption

Last synced: 24 Sep 2025

https://github.com/dulacp/cryptopals-challenges

My own solutions to the challenges of https://cryptopals.com/

challenges crypto cryptography solutions

Last synced: 01 Aug 2025

https://github.com/jtdowney/speck

Toy implementation of Speck cipher in Rust

cipher cryptography speck

Last synced: 27 Mar 2025

https://github.com/ryan-rozario/auctf_2020

Solutions for a few of the AUCTF 2020 Crypto Problems. Did not have much time to solve as much as i wanted to.

auctf auctf2020 crypto cryptography ctf

Last synced: 03 Apr 2025

https://github.com/joestr/enka

Enkapsulate your data!

aes cryptography decryption encryption rsa

Last synced: 08 Jul 2025

https://github.com/ammmir/npki

A minimal public key infrastructure (PKI) library for Go

cryptography go golang pki

Last synced: 02 Aug 2025

https://github.com/khaledsharif/rubiks-encrypt

An encryption/decryption scheme based on the rubiks cube principle.

cryptography encryption research-project rubik-cube-principle

Last synced: 17 Mar 2025

https://github.com/noomorph/p2p

Browser-based end-to-end encrypted message exchange using PGP, with no server storage

browser-based cryptography encryption end-to-end-encryption messaging openpgp pgp privacy security

Last synced: 25 Sep 2025

https://github.com/aka-nikko/desktop-activity-tracker

A Desktop activity tracker that logs all app usage and keystrokes.

cryptography openai python sqlite3

Last synced: 18 Apr 2026

https://github.com/mohith6/certificate-broadcast

Broadcasting certificates to the clients over HTTP and HTTPS protocols and validating client's certificate over HTTPS using mutual SSL authentication

certificates cryptography digitalsignature java publickey-authentication rsa-encryption

Last synced: 29 Jul 2025

https://github.com/marialuizaleitao/crypto-demo

Projeto de demonstração de criptografia assimétrica (RSA) e simétrica (AES) em Node.js.

aes-encryption cryptography rsa-cryptography

Last synced: 08 Jul 2025

https://github.com/sergeantserk/sentrio

A cryptography library for securely encrypting and decrypting data using custom protocol.

c-sharp cryptography

Last synced: 02 Apr 2025

https://github.com/roshannaidu/blockchain-workshop

This repository contains the details of the Blockchain workshop covering a wide range of topics and hands-on experience with some of the most critical aspects of blockchain development like smart contracts, etc.

blockchain blockchain-technology contracts cryptocurrency cryptography daap decentralized ethereum metamask nft opensea smart-contracts solidity web3 workshop

Last synced: 28 Apr 2026

https://github.com/maxgfr/playforgood

It is a cryptocurrency based on the fork of the litecoin

bitcoin bitcoin-forks btc cryptocurrencies cryptocurrency cryptography fork litecoin litecoin-fork ltc

Last synced: 16 May 2026

https://github.com/keogami/crypt

A simple utility to encrypt & decrypt files with AES-256 with passphrases

cli cryptography encryption-decryption go privacy tool

Last synced: 17 Jan 2026

https://github.com/azanul/fireship-io-crypto-rust

Rough follow of the video by fireship-io, 7 Cryptography Concepts EVERY Developer Should Know (https://www.youtube.com/watch?v=NuyzuNBFWxQ)

argon2 asymmetric cryptography encryption-decryption hashing hmac rust salting sha256 signature signing symmetric

Last synced: 02 Aug 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 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 175 Papers 173 Tutorials 158 Resources 155 Research papers and publications 141 Uncategorized 129 2018 101 Tools 101 MEV 89 Blockchain Explorers 89 Blockchain Playgrounds 81 Learning Resources 78 Blockchains 72 Research Groups 72 Misc 68