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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/bodrovis-learning/cryptobits-yt-series

Серия уроков Crypto bits на YouTube

crypto cryptocurrency cryptography

Last synced: 15 May 2025

https://github.com/tuokri/unrealscript-fcrypto

Pure UnrealScript SSL/TLS implementation and cryptography utilities based on BearSSL. Work in progress.

bearssl block-cipher cryptography decryption ecdh ecdhe encryption hkdf hmac https-client sha-1 udk ue3 unreal-engine-3 unrealscript xxtea

Last synced: 19 Mar 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/labex-labs/comptia-security-plus-training-labs

Master cybersecurity fundamentals through hands-on labs, covering threat analysis, risk management, network security, identity management, cryptography, and incident response. Perfect for CompTIA Security+ certification prep.

certification certification-prep comptia course cryptography cybersecurity hands-on hands-on-labs identity-management incident-response labex labs network-security penetration-testing programming risk-management security security-fundamentals sysadmin threat-analysis

Last synced: 11 Feb 2026

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/jalaj711/gocrypto

Cryptography module for golang with support for DES, 3DES, and AES in ECB, CBC, CFB and OFB modes. Also supports SHA512 hashing algortihm.

aes block-cipher cryptography des tripledes

Last synced: 19 Oct 2025

https://github.com/disalad/caesar-cipher

📜 A tool to encrypt, decrypt & crack texts with a substitution cipher

caesar-cipher caesar-cipher-cli caesar-cipher-python cli cryptography substitution-cipher symetric-key

Last synced: 06 Apr 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/outspace/vigdec

vigdec aka heartbreaker – tool that breaks Vigenère cipher without knowing the key.

breaker cryptography decryption decryptor substitution-cipher vigenere vigenere-cipher vigenere-cipher-algorithm vigenere-decoder

Last synced: 13 Jul 2026

https://github.com/edgarogh/camerash

Little educational app to create entropy/randomness from a video input

android cryptography educational hash random

Last synced: 07 Jan 2026

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/nyg/opaque-impl

PoC implementation in SageMath of OPAQUE, an asymmetric PAKE protocol.

cryptography elliptic-curve opaque proof-of-concept

Last synced: 13 Jun 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/amr-yasser226/datagovernanceworkflow

Comprehensive data governance pipeline for SSH honeypot logs—covering data profiling, cleansing, quality assurance, encryption, classification, and GDPR/CCPA/HIPAA compliance. Built with Pandas, Pandera, YData Profiling, and cryptography, with simulated Caesar cipher attacks to demonstrate practical data-security techniques.

caesar-cipher ccpa cryptography cybersecurity data-cleaning data-encryption data-governance data-profiling data-quality data-validation data-visualization gdpr hipaa honeypot-analysis open-source pandas privacy-compliance python ssh-logs

Last synced: 05 Feb 2026

https://github.com/mjc-gh/wcbin

🗄️ A static webpage for client-side encrypted archive files with the WebCrypto API

cryptography html5 javascript security webcrypto webcryptography-api

Last synced: 13 Sep 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/ash-2k3/ooni-chainwatch

A python script to extract certificate chains from OONI web connectivity measurements and submit them to a Let's Encrypt Certificate Transparency (CT) log. This aids in monitoring and auditing the certificates used on the web, contributing to internet transparency efforts.

certificate-transparency cryptography python s3-buckets x509certificates

Last synced: 10 Jun 2026

https://github.com/0x00-0x00/crypt

Crypt is a cryptography tool to protect all kinds of data using AES-256 and RSA-4096 algorithms.

aes cryptography decryption encryption python rsa

Last synced: 09 Jul 2025

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/randombit/botan-ocaml

OCaml binding for botan crypto library

botan cryptography ocaml

Last synced: 25 Mar 2025

https://github.com/emrekybs/samurai

Samurai is a lightening fast CPU friendly Hash Cracker

cryptography hash hashcrack hashcracker hashcracking md5 md5-hash

Last synced: 04 Jul 2025

https://github.com/kevincharm/sparse-merkle-tree

Optimised SMT implementation in Solidity & accompanying JS lib

cryptography ethereum evm merkle-tree solidity sparse-merkle-tree

Last synced: 16 Mar 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/ayazkhan27/cyclic

Cyclic prime numbers and their generation of cyclic numbers that follow a wave function and superpositions, converted into an encryption algorithm.

aes cryptography encryption full-reptend-prime number-theory rsa

Last synced: 15 Jun 2026

https://github.com/marichu-kt/chacha20-poly1305-x25519

Esto es una app cliente-servidor en C++ que cifra mensajes con ChaCha20-Poly1305 y usa X25519 para el intercambio seguro de claves. Soporta comunicación bidireccional por TCP y configuración vía XML.

asymmetric-encryption c-plus-plus chacha20-poly1305 client-server cpp cryptography curve25519 end-to-end-encryption multi-threading network-security openssl secure-chat secure-communication secure-messaging tcp-sockets x25519 xml-configuration

Last synced: 23 Apr 2025

https://github.com/yogsec/secure-communication-tool

A Bash-based encryption & decryption tool using AES-256-CBC, allowing secure message exchange with a single password. Easy-to-use CLI for bug bounty hunters, security researchers, and privacy enthusiasts.

communication communication-tool cryptography cybersecurity-tool hackers hacking hacking-tool secure-communication

Last synced: 14 Oct 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/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/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/nethermindeth/eth-pairings-bindings

C# bindings for the eth_pairings library

cryptography eip-1962 pairings

Last synced: 12 Jul 2025

https://github.com/exploide/ulpcrypt

Implementation of the U-LP Cryptosystem

cryptography cryptography-library

Last synced: 06 Sep 2025

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/bahanix/chatchan

End-to-end encrypted chat in your browser

chat cryptography end-to-end web-app

Last synced: 13 Jul 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/hirotoshioi/cryptopals-in-js

Working on http://cryptopals.com/ challenges

cryptography cryptopals javascript

Last synced: 16 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/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/kn0sys/qfe

qualitative frame entanglement - an experimental protocol for quantum-secure communication

ai cryptography pqc quantum-cryptography

Last synced: 23 Feb 2026

https://github.com/serviejs/keycrypt

Data encryption and decryption for rotating credentials and algorithms

cryptography encryption rotating-credentials

Last synced: 09 Nov 2025

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/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/alexmasi/block-cipher-ctr-ecb

An AES implementation of a CTR block cipher using a CBC-MAC along with an ECB implementation for comparison

aes bmp c cryptography ctr ecb-mode

Last synced: 24 Mar 2025

https://github.com/rasmus-kirk/halo-accumulation

A rust implementation of the Halo2 accumulation scheme from the paper "Proof-Carrying Data from Accumulation Schemes"

accumulation-schemes blockchain crypto cryptocurrency cryptography halo2 rust

Last synced: 01 Apr 2025

https://github.com/mk-fg/ca-certificates-whitelist-filter

Tool to filter system-wide trusted Web PKI TLS Certificate Authorities in linux distros on a whitelist-basis

certificates cryptography linux python security sysadmin tls tool trust web-pki x509

Last synced: 10 May 2026

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/fa7ad/bad-ciphers

A collection of bad ciphers

cryptography hacktoberfest hacktoberfest2023

Last synced: 21 Jan 2026

https://github.com/miraclx/xstrip-auth

Cryptographically strong pseudorandom key generator based on the `XStrip Algorithm`

cipher cryptography encrypt pbkdf2withhmacsha512 pseudorandom

Last synced: 28 May 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/wriar/shadowbox

Development Repository of ShadowBox, an open-source zero-knowledge file storage & encryption platform written in NodeJS

collaborate cryptography deepsource file-manager file-sharing ghdesktop github microsoft nodejs

Last synced: 08 May 2026

https://github.com/dianpermana/cryptography

Cryptography: Encryption and Decryption as part of Security Test ( JavaScript + Groovy + .Jar File )

aes-encryption-decryption base64-encoding comp128 crc-algorithms crypto cryptography des-encryption-decryption hash hmac jmeter jwt rc4-algorithm smartcard

Last synced: 24 Mar 2025

https://github.com/ppad-tech/sha256

Pure Haskell SHA-256, HMAC-SHA256

cryptography hashing haskell sha2 sha256

Last synced: 03 Jul 2025

https://github.com/jitendragangwar123/cryptography

This Repository have some basic Cryptographic Algorithms and other basic concepts which is used in Blockchain Technology.

cryptography javascript

Last synced: 07 May 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/qalle2/qbasic-md5

Compute an MD5 hash in QBasic

cryptography dos md5 qbasic

Last synced: 08 Mar 2025

https://github.com/alichtman/decodecaesar

Intelligent Caesar-Cipher Cracking

caesar-cipher cryptography decryption frequency-analysis

Last synced: 07 Apr 2025

https://github.com/roberthgnz/walletfy-cli

Walletfy command-line tools for wallet management.

btc cli cryptocurrency cryptography wallet

Last synced: 14 Mar 2025

https://github.com/klestovalexej/emerald.examples

Примеры работы с API облачного транспорта

cms cmssigner cryptography https pkcs restsharp signer wattle3 x509certificates

Last synced: 11 Jun 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/purrproof/merkle-proof-vis

A tool to visualize Merkle trees, generate multi-proofs, and demonstrate the proof application process.

blockchain cryptography ethereum merkle merkle-proof merkle-tree merkletree visualization vizualisation

Last synced: 19 Apr 2026

https://github.com/mizcausevic-dev/hash-attestation-rs

Sign + verify Kinetic Gain Protocol Suite docs using ed25519 over canonical JSON hashes. The missing 'this AEO actually came from the vendor' layer.

attestation canonical-json cryptography dalek ed25519 kinetic-gain rust signature

Last synced: 01 Jun 2026

https://github.com/vobst/ctf-hireme

Solution for NERD's HireMe.c challenge.

cryptography ctf-writeups interview-questions nintendo reverse-engineering

Last synced: 30 Jun 2025

https://github.com/projects-developer/steganography-projects

This project aims to design and develop a steganography system that enables secure and covert communication. Steganography Project Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computer-sceience-projects computerscienceprojects covertcommunication cryptography datasecurity final-year-projects finalyearprojects imageprocessing informationhiding mtechprojects securecommunication steganography textanalysis

Last synced: 04 Jan 2026

https://github.com/mizcausevic-dev/bls-attestation-broker

Multi-signer attestation broker using BLS12-381 aggregate signatures. N signatures collapse into one 96-byte aggregate verifiable in two pairings. Reference impl with textbook BLS; production should use blst.

agent-governance aggregate-signature ai-governance attestation bls bls12-381 cryptography platform-engineering rust

Last synced: 01 Jun 2026

https://github.com/jamesgober/mod-rand

Tiered random number generation for Rust. Fast PRNG, process-unique seeds, and OS-backed cryptographic random in one zero-dependency library. Pick the tier appropriate to your threat model.

cryptography no-std prng random random-number-generator rng rust rust-library xoshiro zero-dependencies

Last synced: 08 Jul 2026

https://github.com/davidkirwan/number_station

This gem contains a number of utilities to aid in the running of a number station.

cryptography number-station one-time-pad one-time-pad-cipher pseudorandom pseudorandom-number-generator radio

Last synced: 08 Nov 2025

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

Rust crate implementing a Merkle Tree data structure and Merkle Path proof generation and verification.

cryptocurrency cryptography merkle merkletree rust

Last synced: 22 Jan 2026

https://github.com/saorsa-labs/saorsa-fec

Core foundational crates for the Saorsa P2P ecosystem: saorsa-types, saorsa-fec (Forward Error Correction), and saorsa-rsps (Reed-Solomon with Proof Systems)

cryptography error-correction fec foundation networking p2p reed-solomon rust types

Last synced: 20 Jan 2026

https://github.com/1limxapp/react-native-chacha20-poly1305

ChaCha20-Poly1305 encryption/decryption for Flutter. Native implementation makes sure it has the fastest performance.

256-bit aes android chacha20 chacha20-poly1305 chacha20poly1305 cihper cipher-algorithms cross-platform cryptography encryption encryption-algorithms ios javascript react react-native typescript

Last synced: 21 Feb 2026

https://github.com/yizhezhang-ervin/knowledge_cryptography

Cryptography with Python

cryptography python

Last synced: 15 Jul 2026

https://github.com/t-bast/echalotte

Research on various onion encryption schemes.

cryptography onion onion-routing

Last synced: 12 May 2026

https://github.com/tnmyk/localblockchain

Centralized and local imitation of blockchain technology using Javascript.

blockchain cryptography javascript

Last synced: 26 May 2026

https://github.com/ikrsx/vigenere_cipher

A small C program for vignere cipher 🔐

c cipher-algorithm cryptography miniprogram vigenere-cipher

Last synced: 10 Jul 2026

https://github.com/cwaring/ucan-inspector

An embeddable Web Component for inspecting UCAN tokens directly in the browser.

authorization authz cryptography debugger devtools js ucan vue3

Last synced: 16 Jan 2026

https://github.com/greydevv/sha-256

A C implementation of the 256-bit Secure Hash Algorithm (SHA-256).

binary bits c cryptocurrency cryptography sha256 sha256-hash

Last synced: 20 Oct 2025

https://github.com/nico-curti/cryptosocket

TCP/IP Client Server with RSA cryptography

cryptography rsa socket

Last synced: 14 Nov 2025

https://github.com/emorilebo/mobile_secrets_vault

Secure secrets management for mobile backend applications with encryption, versioning, and audit logging

aes-gcm cryptography django emori encryption fastapi godfreylebo mobile-backend python secrets-management security

Last synced: 27 Jan 2026

Cryptography Awesome Lists
awesome-cryptography 272 awesome-blockchain-rust 108 Computer-Science-Resources 51 awesome-crypto-papers 102 awesome-he 90 awesome-ctf-resources 250 awesome-substrate 165 awesome-cryptography-rust 82 awesome-post-quantum 162 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 cybersecurity-practice-projects 62
Cryptography Categories
Rooms 1,046 Frameworks and Libs 350 Papers 322 Contributed talks, posters and presentations 295 The list 252 Talks, posters, and presentations 243 Resources 168 Cryptography 166 Tutorials 158 Research papers and publications 140 Uncategorized 134 2018 106 Tools 103 MEV 96 Blockchain Explorers 93 Content 92 Blockchain Playgrounds 81 Learning Resources 78 Blockchains 75 Misc 73