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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/systemslibrarian/crypto-lab-psi-gate

Browser-based Private Set Intersection demo implementing classic DH-PSI (Meadows 1986, Huberman-Franklin-Hogg 1999) over ristretto255 with RFC 9380 hash-to-curve. The primitive behind Signal contact discovery and Apple password monitoring.

contact-discovery crypto-lab cryptography ddh dh-psi diffie-hellman hash-to-curve noble-curves privacy-preserving private-set-intersection psi rfc-9380 ristretto255 secure-computation secure-multi-party-computation secure-two-party-computation signal-protocol

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/cipher-museum

Interactive virtual museum exploring 2,500 years of cryptography — 37 ciphers in 10 exhibit halls with live demos, cryptanalysis tools, and connections to modern & post-quantum systems.

caesar-cipher ciphers cryptanalysis cryptography education enigma historical-cryptography vigenere-cipher

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-patron-shield

Browser-based demo of two-server Information-Theoretic Private Information Retrieval (IT-PIR) — applied to library catalog privacy. Because patrons deserve mathematical guarantees, not just policy promises.

crypto-compare cryptography information-theoretic-security library-privacy pir private-information-retrieval xor

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-sphincs-ledger

Browser-based demo of SLH-DSA (SPHINCS+), a hash-based post-quantum digital signature scheme standardized as NIST FIPS 205

browser-demo crypto-lab cryptography digital-signatures hash-based-signatures javascript nist-fips-205 post-quantum-cryptography slh-dsa sphincs-plus

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-hybrid-sign

Browser-based PQ/T composite signature demo implementing the Ed25519 + ML-DSA-65 hybrid per IETF LAMPS draft-ietf-lamps-pq-composite-sigs-16. Classical + post-quantum defense in depth for long-lived signatures.

composite-signatures crypto-lab cryptography defense-in-depth digital-signatures dilithium ed25519 hybrid-signatures ietf-draft lamps ml-dsa ml-dsa-65 noble-curves noble-post-quantum post-quantum-cryptography pq-t-hybrid tls-1-3 x509

Last synced: 01 Jun 2026

https://github.com/chardoncs/minotp

Simple OTP library for Rust.

cryptography hotp one-time-password otp rust totp

Last synced: 10 Feb 2026

https://github.com/a-luna/dotnetcore-crypto

.NET Core 2.0 class library containing an implementation of SHA-3 hashing functions and file encryption methods which employ both AES and RSA algorithms to maximize data security and computational efficiency.

cryptography csharp dotnet-core dotnet-core2 dotnetcore encryption encryption-algorithms hashing sha3 sha3-224 sha3-256 sha3-384 sha3-512

Last synced: 28 Apr 2026

https://github.com/besoeasy/signature-login

Signature Login - Signature-Based Authentication

authentication cryptography secp256k1

Last synced: 20 Jan 2026

https://github.com/ddc/ddccryptography

Encode and Decode strings with Cryptography

cryptography ddccryptography decode decoder encode encoder python python-3 python3

Last synced: 11 Feb 2026

https://github.com/maksmez/dlp_events_vkr

Проект разработанный для автоматического анализа событий DLP системы InfoWatch Traffic Monitor.

cryptography python selenium smtplib sqlalchemy sqlite yattag

Last synced: 16 Apr 2026

https://github.com/cosmian/cloudproof_rust

The Rust Cloudproof Data protection Library

cloudproof cryptography

Last synced: 27 Feb 2026

https://github.com/aeliot-tm/doctrine-encrypted-bundle

Doctrine Encrypted bundle permits to encrypt/decrypt separate columns of database via Doctrine column types.

ast cryptography decryption doctrine doctrine-extension doctrine-orm encryption php routines symfony-bundle

Last synced: 12 Feb 2026

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

Virgil Pythia SDK allows developers to implement Pythia protocol to create breach-proof passwords, immune to offline and online attacks.

breach-proof-password cryptography encryption java pythia pythia-sdk sdk virgil-pythia

Last synced: 13 Feb 2026

https://github.com/gbennnn/stegcrypt

StegCrypt is a lightweight steganography tool for securely embedding and extracting hidden messages within digital images.

cryptography decryption encription flask image-encryption python secret steganography

Last synced: 28 Apr 2026

https://github.com/ametel01/tatsumaki

Token mixer for Starknet

cairo cryptography privacy starknet

Last synced: 28 Feb 2026

https://github.com/dang12345512/sol-check

sol-check is a powerful Solana network tool that provides comprehensive validation and verification of smart contracts to ensure secure and efficient performance. It offers advanced analysis and debugging capabilities to help developers identify and resolve potential issues in their Solana-based applications.

audit checkio cryptography iphone memecoin objective-c security sol sol-check solana-token solana-token-bot solidity token trump-coin

Last synced: 28 Apr 2026

https://github.com/glitchedpolygons/glitchaes.blazorwebapp

GlitchAES (say: "glitches") is a web-based (zero-knowledge, static client-side only) GUI that wraps AES-GCM.

aes cryptography decryption encryption gcm symmetric

Last synced: 14 Feb 2026

https://github.com/maxencerb/crypto-exercices-2021-td1

Ploblem solving for cryptography.

cryptography problem-solving

Last synced: 27 Apr 2026

https://github.com/markcda/unitech-infosec-basics-practice-2nd-gr

Учебно-лабораторная практика за 2-й курс

cryptography university-coursework

Last synced: 15 Feb 2026

https://github.com/joseph-ogutu/expense-management-application

Crafted AI powered comprehensive full-stack expense management application. facilitating effortless expense tracking & management.

bootstrap channels cryptography django html javascript openai python websocket

Last synced: 16 Feb 2026

https://github.com/animo/expo-secure-environment

Expo Module for cryptographic operations using the devices Secure Environment behind biometric authentication.

android biometry cryptography expo ios react-native secure-environments typescript

Last synced: 16 Feb 2026

https://github.com/yurykozhenov/infosec

University Information Security tasks

cryptography infosec security

Last synced: 31 Aug 2025

https://github.com/yanicksenn/ssh-keygen-seeded

Small tool to generate seeded ssh keypairs.

cryptography java rsa ssh

Last synced: 31 Aug 2025

https://github.com/lukechilds/og-zkp

Prove your Bitcoin OG status in zero-knowledge

bitcoin cryptography risc-zero risc0 risc0-zkvm zero-knowledge zkp

Last synced: 08 Jun 2026

https://github.com/sftss/r4.c.08-cryptographie

Algorithm for securing message transmission

aes-encryption cryptography hashing-algorithm python rsa-cryptography

Last synced: 29 Apr 2026

https://github.com/n1ckl0sk0rtge/scrambledb-driver

A JDBC driver for connection to a database and access data in a ScrambleDB-fashion

cryptography encryption gdpr privacy pseudonymisation pseudonymization scrambledb security

Last synced: 13 Oct 2025

https://github.com/basedwon/crpdo

A unified cryptographic library integrating diverse modules to provide robust and versatile cryptographic solutions for Node.js and the browser.

cryptography encryption hashing tweetnacl

Last synced: 29 Aug 2025

https://github.com/tinyadapter/litecrypt.core

A Simple C# Cryptography Package Based on .NET Core

cryptography dotnet-core

Last synced: 16 Apr 2026

https://github.com/aditya-giri/cryptopals

My solutions to the Matasano Challenges in Cryptography.

cryptography cryptopals matasano matasano-cryptopals-challenges

Last synced: 19 Sep 2025

https://github.com/krisarmstrong/enigma-v300

> Complete collection of Enigma V300 option key algorithm implementations

c calculator ci-cd cpp cryptography encryption enigma fluke github-actions nettool network-testing option-keys python

Last synced: 04 Mar 2026

https://github.com/forgesworn/canary-kit

Deepfake-proof identity verification. Per-member spoken words, silent duress detection, encrypted group sync. Open protocol.

cryptography deepfake-detection duress-detection identity-verification minimal-dependencies nostr open-protocol pwa security typescript

Last synced: 01 Apr 2026

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

Morseus est une bibliothèque Rust permettant d'encoder et de décoder le texte en code Morse. Elle offre également la possibilité de jouer le code Morse en émettant des signaux sonores à l'aide du dispositif audio par défaut de votre système, ainsi que d'exporter le code Morse en fichiers audio WAV.

audio compression crates-io cryptography encoding morse morse-code rust rust-lang rustlang

Last synced: 02 Apr 2026

https://github.com/epicreach/tkey-web-authentication

Secure Go-based proxy server using TKey hardware for passwordless website authentication.

authentication cryptography daemon go proxy-server security-tools

Last synced: 04 Mar 2026

https://github.com/mrchristensen/aes

Simple Advanced Encryption Standard (AES) implementation that can generate 128, 192, and 256 bit keys.

aes-encryption computer-security cryptography

Last synced: 26 Aug 2025

https://github.com/mcp-tool-shop-org/ledger-suite

Unified monorepo for cryptographic provenance ledgers — ClaimLedger and CreatorLedger

append-only cryptography digital-signatures dotnet ed25519 ledger monorepo open-source provenance typescript

Last synced: 01 Apr 2026

https://github.com/pythoncoderunicorn/simplersa

a simple Python program to learn how RSA cryptography works

cryptography python3 rsa

Last synced: 24 Aug 2025

https://github.com/farfarfun/funsecret

加密和安全工具包 - 提供加密、解密和安全相关功能

cryptography encryption farfarfun python secret security

Last synced: 05 Mar 2026

https://github.com/paolino/haskell-mts

Compact Sparse Merkle Tree implementation in Haskell with persistent storage and Merkle proofs

blockchain cryptography data-structures haskell merkle-tree rocksdb

Last synced: 05 Mar 2026

https://github.com/thor314/cryptography

cryptographic projects I've worked on

cryptography

Last synced: 12 Jan 2026

https://github.com/nuwax-io/nuwault-core

Generate consistent, secure passwords from keywords. TypeScript-based, with smart entropy controls.

client-side-encryption cryptography deterministic encryption hash password password-generator privacy-first security-tools web-crypto-api

Last synced: 03 Jun 2026

https://github.com/nuwax-io/nuwault-web

Advanced keyword-based password generator with client-side security, privacy focus and PWA support

client-side cryptography deterministic hashing offline password-generator password-strength privacy-first pwa security web-crypto

Last synced: 03 Jun 2026

https://github.com/hvalfangst/rsa

RSA made from scratch using the underlying mathematical concepts for sake of demonstration

cryptography github-actions python rsa

Last synced: 17 Apr 2026

https://github.com/thibmeu/rfc9500

Public Key Cryptography Test Keys from RFC 9500

cryptography rfc test

Last synced: 17 Apr 2026

https://github.com/lihongjie0209/sm-js-bc

SM2/SM3 cryptography TypeScript implementation based on Bouncy Castle Java - Zero dependencies, fully compatible, browser & Node.js support

bouncy-castle chinese-cryptography cryptography elliptic-curve gm-algorithm sm2 sm3 typescript

Last synced: 04 Apr 2026

https://github.com/mw2000/ubt

A reference implementation of a unified binary tree using 32-byte keys and values

cryptography ethereum merkle-tree

Last synced: 04 Apr 2026

https://github.com/hugoxox3/bitkeygen

BitKeyGen: A Python tool to generate Bitcoin private keys, WIFs, and addresses. Perfect for developers and crypto enthusiasts! Save keys to wallet.json securely. 🚀🔑 #Bitcoin #Crypto

bitcoin bitcoin-hacks bitcoin-key-generation bitcoin-wallet cryptocurrency cryptography cryptography-and-security

Last synced: 17 Apr 2026

https://github.com/vasilievsv/hw.pki-on-box

Educational PKI server on Radxa Zero (Linux) + STM32H750 TRNG via USB HID. SELinux + eBPF isolation. Python daemon. ISO 26262 ASIL A (educational).

buildroot cryptography ebpf embedded-linux iso26262 pki radxa selinux-policy-lang stm32 trng

Last synced: 12 Apr 2026

https://github.com/joaoiacillo/vault-guard

A script utility for encrypting and decrypting Obsidian vaults.

cryptography gpg obsidian pgp security

Last synced: 29 Apr 2026

https://github.com/forgesworn/shamir-core

GF(256) Shamir's Secret Sharing — split and reconstruct secrets with threshold schemes

cryptography gf256 key-splitting secret-sharing shamir threshold typescript

Last synced: 04 Apr 2026

https://github.com/albovo/ctf-writeups

Here you can find some of the writeups of the ctfs I've played so far.

cryptography ctf-writeups network-security pwn python reverse-engineering scripting web-security

Last synced: 17 Apr 2026

https://github.com/sovereignbase/cryptosuite

JS/TS runtime-agnostic, quantum-safe, and agile cryptography toolkit with a declarative API for cipher messaging, message authentication, digital signatures, key agreement, and identifiers.

browser bun bytecodec crypto cryptography decryption deno encryption hmac jwk node opaque-identifiers signing sovereignbase typescript verification webcrypto

Last synced: 17 Apr 2026

https://github.com/akshdzn/encore

Encore is a web based tool for obfuscating or scrambling text using a variety of methods. Useful for scavenger hunts, easter eggs, or just fun.

cipher cryptography css html svelte tools vite

Last synced: 18 Apr 2026

https://github.com/ocdbytes/secp256k1_bitcoin

This is the cryptography algorithm used in bitcoin to generate public and private keys. Bitcoin uses SECP256k1 C-language library to use this encryption in the Bitcoin operating system.

bitcoin cryptography rsa-cryptography secp256k1

Last synced: 18 Apr 2026

https://github.com/yoannchb-pro/private-html

PrivateHTML | Make the user access your page with a key

cryptography private-code

Last synced: 23 Aug 2025

https://github.com/kimmy665/cores

🚀 Build modern admin panels easily with CoreS, a responsive template using React, TypeScript, and Tailwind CSS. Perfect for streamlined web applications.

ahb-lite asic-design asp-net-core audio axi4 bitcoin carthage cocoapods coredata cryptocurrency cryptography open-isa open-source-hardware riscv rtl sram usb western-digital

Last synced: 18 Apr 2026

https://github.com/rr-cmd/des_algorithm

Simple Java project for encrypting and decrypting using DES cryptography algorithm

cryptography dataencryptionstandards java

Last synced: 22 Aug 2025

https://github.com/theaswanson/hash-tool

A Windows Forms application that computes various hashes of a given file or string, including MD4, MD5, SHA1, SHA256, SHA512, and Whirlpool.

cryptography dotnet hashing

Last synced: 04 Jun 2026

https://github.com/nir3x/cryptorand.cpp

CryptoRand.cpp - Random Key Generation using Cryptographic Techniques

algorithm algorithms c-plus-plus cpp cryptography encryption entropy random random-number-generation security

Last synced: 04 Jun 2026

https://github.com/randika00/aes-encryption-decryption

Encryption and Decryption using AES (Advanced Encryption Standards)

aes aes-encryption cryptography decryption encryption

Last synced: 20 Apr 2026

https://github.com/karthik558/rust-crypt

A lightweight yet powerful file encryption utility implemented in Rust. Securely protect your sensitive files with AES-256-GCM encryption and Argon2 password-based key derivation.

cli-tool cross-platform cryptography encryption-decryption password-protection rust

Last synced: 05 Jun 2026

https://github.com/virgilsecurity/demo-e2ee-android

A simple Android application that demonstrates how the end-to-end encryption (E2EE) works.

android cryptography demo demo-app encryption end-to-end-encryption key-management public-key-cryptography

Last synced: 21 Apr 2026

https://github.com/nuraj250/lockbox-secure-password-manager

LockBox is a lightweight yet powerful password manager built with Python. It encrypts and securely stores your passwords, providing an intuitive CLI and optional GUI for easy access. Say goodbye to forgotten passwords and hello to secure automation! 🔒🚀

authentication automation cryptography cybersecurity encryption lockbox password-manager pyqt5 python secure-storage sqlite

Last synced: 21 Apr 2026

https://github.com/bch-team-pro/bch-wallet

Bitcoin Cash (BCH) – securely send, receive, and store BCH with full control over your private keys. Works on Windows, Linux, and macOS, with support for hardware wallets, QR codes, and transaction tracking. No registration required—ideal for desktop-focused users.

bch bch-coin bch-electrum-wallet bch-wallet bitcoin-cash bitcoin-wallet crypto crypto-wallet cryptography electrum electrum-bitcoin-cash electrum-cash electum-bch non-custodial web3

Last synced: 21 Apr 2026

https://github.com/sohnryang/crypto-contest-2020

상받은 2020년 암호경진대회 솔루션

block-cipher crypto-contest cryptography hill-cipher loop-unrolling

Last synced: 21 Apr 2026

https://github.com/realabbas/offline-blockchain-transaction-signing-private-wallet

A private offline wallet for signing incoming transaction from web interface

cryptography offline public-private-key qrcode signing transaction wallet

Last synced: 29 May 2026

https://github.com/salrashid123/mcbn

Multiparty Consent Based Networks (MCBN)

cryptography pki tls trusted-computing

Last synced: 22 Aug 2025

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

🔒 Personal take on the cryptopals crypto challenges, in Go

cryptography cryptopals-challenges go golang

Last synced: 14 Feb 2026

https://github.com/willdunklin/elgamal

Implementation of elliptic curve elgamal cryptography in Python (coursework)

cryptography

Last synced: 29 May 2026

https://github.com/angeldollface/doll-cipher

A Rustacean implementation of an encryption algorithm of my own design. :lock: :dolls:

aes-encryption cryptography rust-lang rust-library

Last synced: 29 May 2026

https://github.com/hungrybluedev/python-basic-cryptography

Implemenation of basic Cryptography techniques and algorithms, along with tools useful for analysis.

algorithm cryptography python3

Last synced: 08 Apr 2025

https://github.com/iphydf/toxcore

Fork of toxcore that's not a github fork

cryptography encryption network p2p security toxcore

Last synced: 18 Apr 2026

https://github.com/osennij-morok/korobu

A tool for encryption and decryption written in Rust

cryptography egui rust

Last synced: 10 Sep 2025

https://github.com/hrichharms/salsa20

Salsa20 stream cipher implemented in Haskell

cryptography salsa20 stream-cipher xor-cipher

Last synced: 08 Apr 2025

https://github.com/moeenn/go-token

Generate crypto-random strings (i.e. tokens) of any length

crypto-random-string cryptography go golang token

Last synced: 11 Mar 2026

https://github.com/salrashid123/ocicrypt-tpm-keyprovider

OCICrypt provider for Trusted Platform Modules (TPM)

cncf containers cryptography encryption oci trusted-platform-module

Last synced: 16 Mar 2025

https://github.com/daisvke/dcrypt

dcrypt is a file encryption/decryption tool that adds a custom header to encrypted files, storing essential metadata for decryption and management of the encrypted content.

aes-128-cbc c cryptography encryption-decryption keygen

Last synced: 25 Mar 2025

https://github.com/nunees/trabalho_rsa_unip

Implementação do algoritmo RSA básico.

cryptography python rsa-cryptography

Last synced: 20 Mar 2025

https://github.com/gkbrk/r30sponge.h

Sponge function based on the Rule 30 Cellular Automaton

c c89 c99 cryptography stb stb-library

Last synced: 24 Mar 2025

https://github.com/lazula/cryptopals

A collection of solutions for the challenges at cryptopals.com in C89

cryptography ctf

Last synced: 08 Jul 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 352 Papers 326 Contributed talks, posters and presentations 295 The list 252 Talks, posters, and presentations 243 Cryptography 176 Resources 165 Tutorials 158 Research papers and publications 140 Uncategorized 132 2018 106 MEV 96 Tools 95 Blockchain Explorers 93 Content 92 Blockchain Playgrounds 83 Learning Resources 76 Research Groups 74 Misc 74