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.

GitHub: https://github.com/topics/cryptography
Wikipedia: https://en.wikipedia.org/wiki/Cryptography
Last updated: 2026-06-23 00:06:53 UTC
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https://github.com/hushos/hushos

An open source, privacy first, end-to-end encrypted productivity OS!

cryptography encryption end-to-end-encryption nextjs privacy self-hosted typescript

Last synced: 06 Mar 2026

https://github.com/deemru/cryptash

Hash-based encrypt/decrypt for PHP

authenticity confidentiality cryptography decrypt encrypt integrity php

Last synced: 25 Mar 2025

https://github.com/swift-libp2p/swift-libp2p-crypto

Core LibP2P cryptography API for commonly used Keys, Hashes and Ciphers

cryptography libp2p multiformats

Last synced: 22 Jul 2025

https://github.com/reppon97/cryptosnake

Simple, unofficial python wrapper for Binance API. You'll find this easy-to-use package helpful if you're interested in general market data and cryptocurrency values. You don't need to have a Binance account or API Key since you can't purchase/trade cryptocurrencies using this package.

api binance bitcoin crypto cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography data ethereum json litecoin python python3 statistics

Last synced: 05 Mar 2025

https://github.com/fajarkim/node-openssl-enc

A Node.js CLI tool and library for encryption and decryption with OpenSSL Enc.

cipher compress cryptography decipher decompress decrypt encrypt node nodejs

Last synced: 28 Oct 2025

https://github.com/ahf/orbis

An Erlang library for building worker pools using consistent hashing.

consistent-hashing consistent-hashing-library cryptography erlang

Last synced: 22 Mar 2025

https://github.com/jcbritobr/sbox

SBOX is a cli application that implements the secretbox seal and open functions to encrypt documents.

cryptography symmetric-encryption tool

Last synced: 06 Apr 2025

https://github.com/kareimgazer/des

Implementation of the Data Encryption Standard algorithm using C++

cipher-algorithm cryptography data-encryption-standard security

Last synced: 29 Mar 2025

https://github.com/pedroalbanese/gostsum

Parallel GOST R 34.11-94 CryptoPro hashsum command

cryptography gost gost94 hashsum

Last synced: 23 Jun 2026

https://github.com/yaeby/cipher-decoder

Some ciphers implemented in a streamlit app.

cryptography des des-algorithm des-decription des-encryption frequency-analysis playfair-cipher streamlit vigenere vigenere-cipher

Last synced: 18 Feb 2026

https://github.com/can-deliktas/passforge

PassForge is a flexible and secure password generator that creates strong, customizable passwords with letters, numbers, and special characters. It ensures quick and reliable password generation for enhanced security.

cryptography cybersecurity gui pass password password-generator passwords python random-password-generator safe terminal-graphics tkinter-gui

Last synced: 09 Mar 2026

https://github.com/tmlnv/sanity

Solana vanity address generator with CLI & TUI.

crypto cryptography go sol solana vanity vanity-address

Last synced: 12 Jan 2026

https://github.com/stackoverflowexcept1on/roast

Rust implementation of ROAST (Robust Asynchronous Schnorr Threshold Signatures) with cryptography by Zcash Foundation

cryptography elliptic-curves schnorr schnorr-signatures threshold-cryptography threshold-signature

Last synced: 18 Sep 2025

https://github.com/kehiy/go-secp256k1

a bitcoin libsecp256k1 binding for golang. [WIP]

binding bitcoin c cgo cryptography go golang libsecp256k1 nostr

Last synced: 02 Mar 2025

https://github.com/ggeorgovassilis/webencryption

Simple (offline) HTML and Javascript for encrypting stuff

cryptography javascript security web

Last synced: 05 Apr 2025

https://github.com/cmason3/vaulty.rs

Vaulty in Rust - Encrypt/Decrypt with ChaCha20-Poly1305

chacha20-poly1305 cryptography rust-lang scrypt sha256

Last synced: 26 Jul 2025

https://github.com/wildonion/wallexerr

RSA (Asymmetric) Crypto Wallet Implementations using ECC Curves

crypto cryptography ecdsa ed25519 elliptic-curve-cryptography rsa-cryptography secp256k1 secp256r1 wallet web3

Last synced: 11 Apr 2025

https://github.com/werrett/cryptopals

Solutions to the Matasano Cryptopals challenges

cryptography ctf golang

Last synced: 19 May 2026

https://github.com/cmason3/vaulty.go

Vaulty in Go - Encrypt/Decrypt with ChaCha20-Poly1305

chacha20-poly1305 cryptography ecdh golang scrypt sha256 x25519

Last synced: 26 Jul 2025

https://github.com/hushos/hushos-legacy

An open source, privacy first, end-to-end encrypted productivity OS!

cryptography encryption end-to-end-encryption nextjs privacy self-hosted typescript

Last synced: 21 Jun 2026

https://github.com/zgsolucoes/zg-data-guard

ZG Data Guard is a centralized tool designed to streamline and secure the management of multiple databases across various environments. It simplifies administration by providing a unified platform to handle database ecosystems, technologies, instances, predefined roles, databases, users, and access control. All secured through JWT-protected API.

access-management clusters-management cryptography database-management docker go go-chi godotenv golang golang-migrate jwt-auth keycloak postgresql rest-api swagger2 swaggo testify users-management

Last synced: 28 Jan 2026

https://github.com/instantwebp2p/nacl-cert

AIoT NACL Certification System

aiot cryptography nacl nacl-cert security-protocol

Last synced: 08 Apr 2026

https://github.com/maxpat78/cryptopad

A simple Notepad supporting ZIP AES-256 encrypted documents, coded in Python

aes cryptography encryption notepad security text-editor zip zipfile

Last synced: 12 Apr 2025

https://github.com/gianluca-mascolo/mylogin-cryptor

Encode/Decode mylogin.cnf

bash cryptography mylogin mysql openssl utilities

Last synced: 10 May 2026

https://github.com/tuanlh/classical-cipher

Giới thiệu một số loại mã hóa cổ điển và hiện thực bằng javascript

caesar cipher classical cryptography javascript playfair

Last synced: 08 Apr 2025

https://github.com/geeknik/qrypttalk

A Decentralized, Privacy-First Chat App

chat crypto cryptography encryption privacy

Last synced: 08 May 2026

https://github.com/substrate-system/simple-aes

The simplest way to use AES keys in the browser or Node.

aes aes-encryption browser cryptography

Last synced: 28 Sep 2025

https://github.com/allouis/lamport-ots

🔏 Lamport One-Time Signatures in JavaScript 🔏

cryptography lamport ots signature

Last synced: 05 Apr 2025

https://github.com/projects-developer/github-major-projects-with-source-code

GitHub major projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

bcaproject btechproject computerscienceproject cryptography finalyear finalyearproject machine-learning malware malware-project mcaproject mtechproject project

Last synced: 18 Feb 2026

https://github.com/hubenchang0515/cryptography

Cryptography Hash Algorithm - 消息摘要算法库

cryptography md5 sha sha2

Last synced: 25 Jan 2026

https://github.com/constantin9845/trivium-encoder

Trivium stream cipher implementation with cryptographically secure IV and Key generator.

cryptography csprng trivium

Last synced: 31 Jul 2025

https://github.com/provnai/attest

Attest Protocol Silicon-rooted trust and zero-knowledge provenance for AI agents. Features hardware-sealed identity (TPM/CNG), Plonky3 ZK-STARK audit trails, and Quantum Undo (Reversible Execution) in Go & Rust.

ai-agents artificial-intelligence audit-log cryptography cybersecurity golang hardware-security plonky3 provenance rust sqlite state-management tpm undo zk-starks

Last synced: 11 Mar 2026

https://github.com/odilitime/sniph

Snerx Sniph Cipher

cipher cipher-algorithms ciphers cryptography cypher

Last synced: 03 Aug 2025

https://github.com/aalfiann/text-obfuscator

Simple Text Obfuscator for NodeJS or Browser

cryptography obfuscator simple-obfuscator string-obfuscator text-obfuscator

Last synced: 22 Jun 2025

https://github.com/cipherstash/enveloperb

Ruby bindings for the envelopers envelope-encryption library

cipherstash cryptography encryption envelope-encryption ruby

Last synced: 07 May 2025

https://github.com/hpgrahsl/rhd-csflc-kafka-connect-demos

Demo Scenarios discussed in my Red Hat Developers article series

apachekafka cryptography encryption-decryption kafka kafka-connect security

Last synced: 18 Feb 2026

https://github.com/volkanbicer/theblockchain

Blockchain application created with nodejs

blockchain cryptocurrency cryptography nodejs

Last synced: 16 May 2026

https://github.com/simplito/linked-pm

A simple web application which encrypts your private messages (Java Script client-side encryption) and converts them into clickable links and QR-codes.

application cryptography qrcode web

Last synced: 04 Mar 2025

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

This project is an exploration into quantum mechanics and quantum cryptography. Understanding the principles and applicaitons of quantum technologies before exploring quantum algorithms for cryptography and their impact on this field. The project includes both explanations and code for learning about the field.

cryptographic-algorithms cryptography cryptography-project quantum quantum-computing quantum-computing-research quantum-crypto quantum-cryptography quantum-key-distribution quantum-mechanics shor-algorithm tutorials

Last synced: 11 Apr 2025

https://github.com/ishan-surana/cryptosystems

The 𝚌𝚛𝚢𝚙𝚝𝚘𝚜𝚢𝚜𝚝𝚎𝚖𝚜 package offers a suite of classes and functions for both symmetric and asymmetric encryption, signature-verification, hashing algorithms, key exchange protocols as well as mathematical utility functions. Docs at https://cryptosystems.readthedocs.io.

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Last synced: 09 Jul 2025

https://github.com/skyf0l/ncenc

Netcat wrapper to encrypt network traffic with openssl.

bash cryptography encryption nc netcat network network-encryption openssl pentest pentest-tool pentesting reverse-shell rsa

Last synced: 26 Apr 2026

https://github.com/hayr-hotoca/flutter_chacha20_poly1305

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

android chacha20 chacha20-poly1305 chacha20poly1305 cipher cipher-algorithms cross-platform cryptography cryptography-algorithms dart encryption encryption-algorithms flutter ios key

Last synced: 02 May 2026

https://github.com/omarbaylee/vaultkey

vaultkey is an open-source Rust library for generating secure, customizable passwords. It supports various character sets and lengths, providing cryptographically secure random passwords for any use case. Contributions are welcome to improve and expand the library.

aeonvault capsulekey cryptography future-ai key-generation knowledge-preservation open-source password-manager random-password rust rust-crate rust-library time-capsule vaultkey

Last synced: 11 Jul 2025

https://github.com/alhonaut/zkp-grpc-server

Chaum-Pederson Zero-Knowledge Proof in Rust with gRPC and Docker

cryptography grpc rust

Last synced: 03 May 2026

https://github.com/kryptokrona/kryptokrona-wallet-backend-js

Kryptokrona library in JS/TS for building decentralized private communication and payment systems.

blockchain crypto cryptocurrency cryptography decentralized distributed-systems javascript kryptokrona nodejs typescript web3 xkr

Last synced: 17 Jan 2026

https://github.com/ndxdeveloper/slashsum

Fast multi-threaded checksum calculator (CRC32, MD5, SHA1, SHA256, SHA512)

checksum cli-tool concurrent-processing crc32 cross-platform cryptography data-integrity file-integrity file-validation file-verification hash-calculator md5 multi-threaded parallel-computing performance rust sha1 sha256 sha512 utility

Last synced: 08 Apr 2026

https://github.com/ntdls/ntdls.securekeyexchange

Easily generate a single or multi-round Diffie-Hellman key.

cryptography diffie-hellman key-exchange key-exchange-algorithms random-key-generator secure

Last synced: 14 Apr 2025

https://github.com/netromdk/faes

Fast AES

aes aes-cbc aes-cipher aes-ctr aes-ecb aes-encryption cipher cpp cryptography encryption mit-license

Last synced: 23 May 2026

https://github.com/jalaj711/go-des

GoLang implementation of DES, 3DES (128-bit key) and 3DES (192-bit key) with support for ECB, CBC, CFB and OFB modes.

3des cryptography des golang symmetric-cryptography

Last synced: 29 Jul 2025

https://github.com/mail4metablocks/cryptographic-protocols

zksnarks,zkstarks Cryptographic protocols implementation using Rust

cryptography privacy rust

Last synced: 14 Jan 2026

https://github.com/mateoniksic/project-encrypted-chatroom

client-server chatroom using ecdsa/x25519/sha256 algorithms (CODE) [ PYTHON ]

authentication chatroom client-server cryptography decryption ecdsa encryption exchange key-exchange-algorithms message python python3 sha256 x25519

Last synced: 05 Aug 2025

https://github.com/fionn/cryptopals

Attack at dawn

cryptanalysis cryptography cryptopals cryptopals-crypto-challenges matasano matasano-crypto-challenges

Last synced: 02 Mar 2025

https://github.com/yrotak/d-1

D-1 is an open source symmetric encryption algorithm

crypto cryptography d-1 done encryption encryption-algorithms encryption-decryption symetric-key

Last synced: 23 Feb 2025

https://github.com/skyf0l/discrete-logarithm

Fast discrete logarithm solver in Rust

cryptography discrete-logarithm number-theory

Last synced: 11 Oct 2025

https://github.com/michpro/xtea-cipher

XTEA cipher library, with MAC support, for the Arduino environment.

arduino arduino-library cipher cipher-algorithms cryptography cryptography-library decryption encryption hash iot mac message-authentication-code xtea-cipher

Last synced: 17 Apr 2026

https://github.com/mtumilowicz/cryptography-hsm-workshop

Introduction into pkcs11 and integrations with hsm using softhsm.

cryptography cryptography-concepts cryptography-course cryptography-tools hardware-security-module hsm pkcs11 pkcs11-tool pkcs11interop-implement softhsm workshop workshop-materials

Last synced: 25 Feb 2026

https://github.com/nulltea/contangle-zkcp

Universal Zero Knowledge Contingent Payments (on hold)

bitcoin cryptography ethereum payment zero-knowledge

Last synced: 19 Apr 2026

https://github.com/eqoty-labs/kryptools

Kotlin multiplatorm crypto tools: AES-SIV, Axlsign, AES256-GCM, Bech32, Secp256k1

crypto cryptography kotlin kotlin-android kotlin-js kotlin-jvm kotlin-library kotlin-multiplatform kotlin-native

Last synced: 02 Feb 2026

https://github.com/theduardomaciel/cryptosia-web

A platform for generating public and private keys that work in sync, ensuring simplified security of sensitive messages through RSA encryption.

c cryptography emscripten nextjs react rsa rsa-cryptography tailwindcss wasm webassembly

Last synced: 12 Apr 2026

https://github.com/ajlearner46/post-quantum-cryptography-signature-scheme

Implementation of Post-quantum cryptography signature protocol

cryptography cryptography-algorithms post-quantum-algorithms post-quantum-cryptography post-quantum-signature pqcrypto python signature-scheme

Last synced: 06 Jan 2026

https://github.com/antosser/base94-rs

Base94 Encoding Library: Convert binary data to a compact text-based format using Base94 encoding. Effortlessly encode and decode data for a wide range of use cases. 🔐🔍

algorithm base94 binary-to-text cryptography development encoding rust rust-library security text-format utility

Last synced: 24 Oct 2025

https://github.com/pauldreik/lemac

C++ implementation of the lemac hash by Augustin Bariant

cryptography hashing

Last synced: 21 Jun 2026

https://github.com/alierpm/cryptohub

This project is based on Coinranking API: The simplest API for Cryptocurrency Prices - Real-Time & Historical - Crypto Market Data - Coins - Exchanges and Bing News Search API:An AI service from Microsoft Azure that turns any app into a news search resource.

bitcoin blockchain crypto cryptocurrency cryptocurrency-exchanges cryptography ethereum newsapi

Last synced: 07 May 2026

https://github.com/defucc/hashkeys

Reactive Noble cryptography for p2p identity

composable cryptography encryption js noble-curves signing vue

Last synced: 20 Jan 2026

https://github.com/r1b/cryptography

Self-study in cryptosystems

block-ciphers cryptography key-exchange-algorithms rust stream-ciphers

Last synced: 08 Apr 2025

https://github.com/namecoin/certinject

Inject certificates into Windows CryptoAPI trust store, with EKU and name constraints.

certificates cryptoapi cryptography hacktoberfest name-constraints privacy security tls windows x509

Last synced: 27 Jan 2026

https://github.com/susumuota/nostrain

Nostr client library with no strain.

client cryptography nodejs nostr protocol relay sns social-media social-network typescript vite

Last synced: 08 May 2026

https://github.com/schultz-is/go-threefish

An implementation of the Threefish block cipher entirely in go with no external dependencies.

block-cipher block-ciphers crypto cryptography threefish

Last synced: 15 Apr 2026

https://github.com/davidbuchanan314/roll13

an (unfinished) TLSv1.3 client in pure python, hand-rolled from first principles.

aes aes-gcm cryptography hmac hmac-sha256 python python3 secp256r1 sha256 tls tls13

Last synced: 22 Aug 2025

https://github.com/unclerus/regnupg

Python GnuPG wrapper

cryptography gnupg gpg python

Last synced: 03 Apr 2025

https://github.com/j-m-li/aes

aes s-box and lookup tables generator

aes cryptography

Last synced: 19 Apr 2026

https://github.com/asc8384/simple-cryptography

Simple cryptographic implementation, including TinyJambu, Grain-128AEAD, Fridrich, etc.

crypto cryptography encryption tinyjambu

Last synced: 23 Aug 2025

https://github.com/developpeurpascal/xor-keys-generator

A simple generator of bytes lists or arrays in different programming languages.

cryptographic-algorithms cryptography cryptography-tools delphi delphi-app developer-tool developer-tools firemonkey firemonkey-applications

Last synced: 10 Feb 2026

https://github.com/jasondrawdy/autoarchiver

An advanced and flexible auto-archiving tool that allows the archiving of both individual files and entire directories using set intervals.

application archiving automation backup cryptography dotnet encoding security utilities windows

Last synced: 08 May 2026

https://github.com/gotz1480/bitcoin-cryptography-ecc

Study of bitcoin elliptic curve cryptography (ECC)

bitcoin cryptography ecc-cryptography elliptic-curve-cryptography

Last synced: 07 Apr 2025

https://github.com/myusuf3/siapaperwallet

Create Sia Paper Wallets

cryptography paperwallet sia siacoin

Last synced: 05 Jan 2026

https://github.com/gotz1480/cryptography

Cryptography projects and algorithms in Python

cryptography cryptography-algorithms cryptography-library python python-cryptography python3

Last synced: 07 Apr 2025

https://github.com/alokmenghrajani/go-cryptopals

Cryptopals in Golang

cryptography cryptopals cryptopals-challenges cryptopals-crypto-challenges cryptopals-go cryptopals-solutions go golang

Last synced: 27 Feb 2026

https://github.com/volhovm/ocd-tasks

Solutions for the "An Introduction to Mathematical Cryptography" textbook by Hoffstein, Pipher, Silverman

cryptography

Last synced: 16 Oct 2025

https://github.com/architectv/information-security

🛸 BMSTU Information security course (2020) (semester 7)

bmstu cryptography des digital-signature enigma go golang ics7 information-security lzw lzw-compression rsa

Last synced: 16 Oct 2025

https://github.com/lssandes/crypto-app

blockchain crypto cryptocurrency cryptography cryptorank rapidapi react

Last synced: 11 Feb 2026

https://github.com/rusq/gonss3

Subset of Mozilla NSS enough to decrypt firefox passwords

3des 3des-cbc asn1-der cryptography deciphering decryption firefox password pkcs5

Last synced: 31 Mar 2025

https://github.com/M3DZIK/rust-crypto-utils

Cryptography Utils for Rust

crypto crypto-library cryptography hash hmac jsonwebtoken jwt rust rust-crate rust-lang rust-language rustlang

Last synced: 13 May 2025

https://github.com/sheroz/rsa

Samples of RSA (Rivest–Shamir–Adleman) asymmetric cipher implementations in Rust

crypto cryptography public-key-cryptography rsa rsa-cipher rsa-cryptography rsa-cryptosystem

Last synced: 04 Jan 2026

https://github.com/leo-aa88/bitcoin-cryptography-ecc

Study of bitcoin elliptic curve cryptography (ECC)

bitcoin cryptography ecc-cryptography elliptic-curve-cryptography

Last synced: 10 May 2026

https://github.com/smaranjitghose/pyconfidentiality

Adding secrecy to your emails with RSA

cryptography email-sender python rsa smtp

Last synced: 03 Sep 2025

https://github.com/stevehjohn/security

Various useful classes for information security

cryptography csharp dotnet shamir

Last synced: 28 Apr 2026

https://github.com/hirannor/xml-digital-signature-java

An example project how to create digitally signed xml in java (detached signature)

certificate cryptography detached-signatures digital-signature digital-signature-algorithm digital-signature-library dsig java java-11 keystore maven pkcs12 signature signature-generation signature-verification xml xml-digital-signature xml-security xmldsig xmldsig-signature

Last synced: 08 May 2026

https://github.com/romainbou/ise2ee

Is it End-to-end Encrypted?

cryptography encryption messaging

Last synced: 14 Oct 2025

https://github.com/alvarogarciapiz/pycipherhub

Conjunto de cifradores desarrollados en Python

cifrador criptografia-basica cryptography cypher python

Last synced: 15 Mar 2025

https://github.com/lmriccardo/needham-schroeder-verification

Project for the Formal Methods In Software Development course at the University of "La Sapienza" in Master in Computer Science A.A. 2021/2022

cryptography murphi needham-schroeder nusmv-model-checker spin verification

Last synced: 23 Aug 2025

https://github.com/m3dzik/libcrypto

Cryptographic utilities for Java and JavaScript

aes aes-gcm argon2 crypto cryptography curve25519 encryption hashing security x25519

Last synced: 09 Apr 2025

https://github.com/nulltea/nulltea

0️⃣ ☕️ - research engineer

blockchain cryptography golang rust

Last synced: 14 Oct 2025

https://github.com/demining/fuzzing-bitcoin

Search for critical vulnerabilities and new methods of protecting cryptocurrency Bitcoin & Ethereum

bitcoin btc cryptocurrency cryptography eth ethereum fuzzing smart-contracts vulnerabilities vulnerability

Last synced: 09 May 2026

https://github.com/pirate-emperor/cipherx

CipherX is a verification project for Advanced Encryption Standard (AES-128) using Universal Verification Methodology (UVM). It leverages Verilog, SystemVerilog, and Python to ensure robust encryption algorithm validation, integrating comprehensive UVM components and tests.

aes-128 cryptography cryptography-algorithms dataencryption dataencryptionstandards digitaldesign encrytption hardwareverification python security testing-framework uvm verification verilog