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: 2026-06-19 00:07:30 UTC
JSON Representation

https://github.com/thibmeu/tlock-worker

Demonstration worker supporting timelock encryption.

cryptography encryption rust tlock workers

Last synced: 26 Sep 2025

https://github.com/commune-ai/subspace

commune-ai blockchain node

blockchain blockchain-technology communeai cryptocurrency cryptography rpc-library substrate

Last synced: 07 Apr 2026

https://github.com/aghyad-khlefawi/coddee

Coddee is a framework for building .Net applications using MVVM pattern and dependency injection.

asp-net-core coddee cross-platform cryptography csharp dependency-injection dotnet encryption linq-to-sql logging modularity mongodb mvvm mvvm-pattern repository-pattern rest-api wpf xamarin xamarin-forms xaml

Last synced: 23 Apr 2025

https://github.com/moul/totp-keychain

:lock: TOTP cli backed by the OS X keychain

2fa authentication cli cryptography keychain mfa security totp

Last synced: 28 Apr 2025

https://github.com/azeemba/sour16

Toy version of the sweet32 attack

attack birthday-attack cryptography rot13 toy

Last synced: 28 Oct 2025

https://github.com/onix-labs/onixlabs-dotnet

Powerful APIs for object-oriented, and functional programming, including general-purpose, numerics, security, and cryptography APIs

base16 base32 base58 base64 bigdecimal cryptography digital-signatures ecdsa extension-methods fips-202 generic-math hashing number-information numerics public-private-key rsa salt sha3 sha3-shake

Last synced: 14 Jan 2026

https://github.com/crocs-muni/cryptostreams

Tool for generation of data from cryptoprimitives (block and stream ciphers, hash functions). Cryptoprimitives are round-reduced and the data can be configured for multiple testing scenarios.

block-ciphers cryptography data-generator hash-functions stream-ciphers

Last synced: 31 Jan 2026

https://github.com/aramzham/cryptography

Some simple cryptographic examples on C# 6.0

cryptography csharp-code password-generator

Last synced: 09 Apr 2025

https://github.com/joulefingers3z/trading_soft

The project is aimed at developing an intelligent bot for automated cryptocurrency trading, leveraging advanced machine learning (ML) algorithms and feature engineering. The project offers the following core functionalities

arbitrage bitcoin blockchain btc crypto-arbitrage crypto-trading cryptocurrency cryptography eth ethereum exchange finance finance-trading p2p trade trading trading-automatically usdt

Last synced: 02 May 2026

https://github.com/shashwatkathuria/cryptography

Cryptography Algorithms

aes aes-128 aes-cbc aes-cipher aes-ctr aes-encryption caesar-cipher crack cryptography des des-algorithm des-cipher des-encryption hash-verification many-time-pass padding-oracle-attacks sha256 vernam vernam-cipher vigenere-cipher

Last synced: 13 Apr 2025

https://github.com/kamil-kielbasa/libedhoc

EDHOC (RFC 9528): Lightweight authenticated key exchange in C for IoT and constrained devices

authentication c coap constrained-devices cryptography edhoc embedded ietf iot key-exchange oscore rfc9528 rfc9529 security zephyr

Last synced: 02 Apr 2026

https://github.com/smaranjitghose/quantum_burglary

Demonstration of the use of Quantum Computing to leverage Shor's Algorithm for cracking RSA encryption

cryptography python quantum-computing rsa-algorithm shor-algorithm

Last synced: 30 Jun 2025

https://github.com/hadipourh/zeroplus

Improved Search for Integral, Impossible Differential and Zero-Correlation Attacks: Application to Ascon, ForkSKINNY, SKINNY, MANTIS, PRESENT and QARMAv2

ascon constraint-programming cryptanalysis cryptography forkskinny-block-cipher impossible-differential integral-cryptanalysis mantis milp present-block-cipher qarmav2 skinny-block-cipher symmetric-key-cryptography zero-correlation-cryptanalysis

Last synced: 25 Feb 2026

https://github.com/oz123/python-fernet

A pure python implementation of Fernet encryption

aes-encryption cryptography fernet python python-fernet

Last synced: 07 May 2025

https://github.com/r3drun3/bitcoin-address-miner

Mine Bitcoin Vanity Addresses ⛏️🅰️🅱️🅾️

base58 bitcoin bitcoin-address bitcoin-wallet cryptography p2pkh rust rust-lang secp256k1

Last synced: 28 Oct 2025

https://github.com/ironcorelabs/ironweb

IronCore Labs SDK for Browser Based JavaScript Applications

cryptography proxy-re-encryption transform-encryption wasm webassembly

Last synced: 02 Jul 2025

https://github.com/indutny/crypto-deck

Cryptographically secure Mental Card Deck implementation

card-game cryptography elliptic-curves

Last synced: 15 Apr 2025

https://github.com/snej/secret-handshake-cpp

SecretHandshake secure connections in C++, with Cap'n Proto support

capnproto cplusplus cryptography networking security

Last synced: 07 May 2025

https://github.com/10d9e/fiat-shamir.sol

Zero Knowledge Proofs with Fiat-Shamir Heuristic in Solidity

cryptography solidity zero-knowledge zkp

Last synced: 23 Jul 2025

https://github.com/aead/siphash

Go implementation of SipHash-64/128

cryptography go golang siphash

Last synced: 21 Mar 2025

https://github.com/bdcht/crysp

crypto stuff in python

cryptography python toys

Last synced: 17 Mar 2026

https://github.com/shibme/xipher

Xipher is a curated collection of cryptographic primitives put together to perform key/password based asymmetric encryption

crypto cryptography encryption-tool end-to-end-encryption password-based-encryption post-quantum-cryptography web-application xipher

Last synced: 06 Jun 2026

https://github.com/soneji/ctf

A cool web based CTF. Designed to be a static site, so no servers are necessary to host it.

cryptography ctf ctf-challenges github-pages hackathon hacking hacktoberfest html javascript

Last synced: 09 Apr 2025

https://github.com/agent-receipts/ar

Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.

agent-receipts ai ai-agents audit cryptography ed25519 golang mcp model-context-protocol python receipts security typescript verifiable-credentials w3c-vc

Last synced: 01 Jun 2026

https://github.com/cern/quantumacy

cryptography deep-learning federated-learning homomorphic-encryption quantum-computing

Last synced: 10 Sep 2025

https://github.com/eldr-io/audiocate

Audio encoding authentication and validation library for verifying audio as being from a trusted source

artifical-intelligence audio-embedding audio-processing audio-steganography cryptography sound

Last synced: 18 Aug 2025

https://github.com/demining/endomorphism-secp256k1

Speed up secp256k1 with endomorphism

attack bitcoin bitcoin-wallet blockchain btc cryptocurrencies cryptography ecdsa ecdsa-cryptography ecdsa-signature elliptic-curves elliptic-curves-cryptography privatekey secp256k1 vulnerabilities vulnerability

Last synced: 27 Feb 2026

https://github.com/sepppenner/aescryptouploader

AESCryptoUploader is a project to upload encrypted files to Google Drive and Mega.nz.

aes crypto cryptography google-drive gui gui-english gui-german screenshots

Last synced: 05 May 2025

https://github.com/timbru31/masters-thesis

📚 ✍️ 🕵🏻‍♂️ 🚨 🔐 Security Evaluation of Multi-Factor Authentication in Comparison with the Web Authentication API | Master's Thesis

2fa authentication crypto cryptography fido fido-u2f fido2 hmac hotp latex master-thesis mfa multi-factor-authentication tex totp two-factor-authentication u2f web-authentication webauthn wings

Last synced: 15 Apr 2025

https://github.com/zama-ai/fhevm-go

fhevm-go is an open-source library used to easily integrate the fhEVM into an EVM-compatible blockchain.

blockchain cryptography encryption evm fhe fully-homomorphic-encryption golang privacy

Last synced: 13 Aug 2025

https://github.com/enquo/enquo-core

Core cryptographic code to allow encrypted query operations

cryptography encryption enquo hacktoberfest ruby rust security

Last synced: 13 Apr 2025

https://github.com/jedisct1/rust-ct-codecs

Constant-time hex and base64 codecs from libsodium reimplemented in Rust.

base64 codecs constant-time crypto cryptography hex libhydrogen libsodium rust

Last synced: 09 Apr 2025

https://github.com/markusschanta/openenigma

Open Enigma - This repository contains the Arduino code for the S&T GeoTronics M4 Enigma.

arduino arduino-sketch cryptography enigma enigma-machine

Last synced: 15 Jun 2025

https://github.com/zaeem20/webeye

Webeye is a Powerful package for making ethical hacking tools easier

api cloudflare cryptography dns encryption-decryption hacking hash honeypot nmap osint portscanner python sql webeye whois whois-lookup

Last synced: 09 Jul 2025

https://github.com/hubmakerlabs/replicatr

Nostr relay with Internet Computer integration for inter-relay synchronization

badgerdb cryptography customizable decentralized dfinity distributed-database distributed-systems golang internet-computer internet-computer-protocol modular nip-42 nostr pubsub rust scalability social-network

Last synced: 14 Jan 2026

https://github.com/alxkzmn/zk-atlas

A(n almost) complete atlas of contemporary Zero-Knowledge Proof technologies

cryptography zero-knowledge zero-knowledge-proof zero-knowledge-proofs zkp zkproof

Last synced: 05 Mar 2026

https://github.com/meltmedia/dropwizard-crypto

A Crytpographic Bundle for Dropwizard

cryptography dropwizard dropwizard-bundle encryption java

Last synced: 22 Apr 2025

https://github.com/staltz/ssb-keys-neon

A drop-in replacement of ssb-keys, implemented in Rust and delivered as a native module in Node.js

cryptography neon neon-bindings scuttlebutt ssb ssbc

Last synced: 06 Jul 2025

https://github.com/arekbulski/cameleonica

Safe cryptographic steganographic advanced filesystem

b-tree cryptography dictionaries documentation filesystem garbage-collection inodes python steganography

Last synced: 15 May 2025

https://github.com/defold/extension-crypt

Native extension binding the dmCrypt Defold C++ SDK to Lua

cryptography defold

Last synced: 20 Oct 2025

https://github.com/ohsayan/rcrypt

rcrypt is a compact hashing and salting library based on bcrypt that produces smaller hashes

bcrypt bmcf cryptographic-hash-functions cryptography hashing mcf rcrypt rust salting

Last synced: 04 Mar 2026

https://github.com/devsdenepal/crypted_diary

Binary based simple encryption which talks to a PHP server to encrypt and decrypt text(s).

cryptography decryption diary-application diary-cli diary-entries encryption

Last synced: 15 Jul 2025

https://github.com/kagarcia1618/network-config-tracker

Network devices configuration change tracker.

cisco-ios cisco-ios-xr cisco-nxos cryptography gitlab multithreading napalm netbox nxapi python

Last synced: 30 Jul 2025

https://github.com/filosottile/bigmod

A constant-time library for big integers modulo a prime, usable for cryptographic applications. Exported from crypto/internal/bigmod, the backend of crypto/rsa and crypto/ecdsa.

biginteger cryptography

Last synced: 21 Sep 2025

https://github.com/crocs-muni/scrutiny

An automated toolkit to analyze and detect changes in secure hardware and cryptographic libraries. SCRUTINY provides high-level frameworks to build and later verify profiles against reference and produce detailed HTML reports. For now, SCRUTINY is capable of analyzing JavaCard, TPM, SED, and cryptolibs.

card certification cryptography ecc javacard rsa sed smartcard tpm verify

Last synced: 31 Jan 2026

https://github.com/mitschabaude/watsign

Tweetnacl's ed25519 signatures, ported to WebAssembly

cryptography ed25519 nacl signatures webassembly

Last synced: 16 Apr 2025

https://github.com/kmvi/bc-xml-security

XML Signature and XML Encryption using Bouncy Castle (C#)

bouncy-castle cryptography csharp ws-security xml-encryption xml-security xml-signature xmldsig xmlenc

Last synced: 14 Jan 2026

https://github.com/kensnyder/poly-crypto

Encrypt and decrypt data with AES-256 GCM; interoperable with Node and PHP 7.1+

aes aes-256 aes-256-gcm bcrypt cipher crypto cryptography decrypt decryption digest encrypt encryption random

Last synced: 28 Jul 2025

https://github.com/webankblockchain/wedpr-lab-ios-sdk

iOS SDK of WeDPR-Lab-Core; WeDPR即时可用场景式隐私保护高效解决方案核心算法组件iOS SDK

blockchain crypto cryptography homomorphic-encryption mpc privacy sdk-ios wedpr zkp

Last synced: 13 Feb 2026

https://github.com/rmlibre/aiootp

a high-level async cryptographic anonymity library to scale, simplify, & automate privacy best practices for secure data & identity processing, communication, & storage.

aead aead-commitment asynchronous canonicalization context-committing cryptography cryptography-library databases developer-tools domain-separation ed25519 keccak key-committing key-derivation mnemonic-generator nonce-reuse-misuse-resistant online sha3 tweakable x25519

Last synced: 03 Apr 2026

https://github.com/poljar/python-olm

python bindings for the Olm C library

cryptography encryption matrix olm python-bindings

Last synced: 03 Apr 2025

https://github.com/keygen-sh/example-python-cryptographic-verification

Example of verifying a license key's authenticity using Ed25519 and RSA-SHA256 with various padding schemes

cryptography ed25519 keygen licensing rsa-cryptography software-licensing

Last synced: 30 Jan 2026

https://github.com/regnull/easyecc

Easy Elliptic Curve Cryptography on multiple curves, written in Go.

bitcoin cryptography ethereum golang

Last synced: 06 Jul 2025

https://github.com/moeraorg/moera-commons

Moera common classes, for issues use: https://github.com/MoeraOrg/moera-issues/issues

cryptography java library moera

Last synced: 16 Mar 2026

https://github.com/skepticfx/voracle

Compression Oracle Attack on OpenVPN

blackhat2018 compression cryptography defcon26 openvpn poc vpn

Last synced: 08 Sep 2025

https://github.com/adria0/a0kzg

Kate-Zaverucha-Goldberg polynomial commitments in rust playground

cryptography kzg-proofs rust zero-knowledge-proofs

Last synced: 06 Apr 2025

https://github.com/toby/keypass

Simple password management utility for Keybase.io

cryptography keybase keybase-api password

Last synced: 13 Apr 2025

https://github.com/molotovcherry/stegcloak

[Rust] Hide secrets with invisible characters in plain text securely using passwords 🧙🏻‍♂️⭐

character cipher cryptography data-exfiltration encode encrypt hacking-tool hide infosec privacy rust security security-tools stealth steganography stegcloak width zero zwc

Last synced: 15 Oct 2025

https://github.com/cristiancmoises/zupt

Backup compression with AES-256 authenticated encryption and post-quantum key encapsulation.

backup backup-tool codec compression cryptography postquantum postquantumcryptography

Last synced: 26 Apr 2026

https://github.com/aniko33/charles-csec

CSEC is a client-based encrypted chat. allows you to avoid network sniffing or an attack done directly from the server. it is easy to use and modify and is available on Linux, Windows, Mac.

aniko charles-csec chatroom cryptography csec cyber decks decks-team encrypted-chat hacking mr-robot python python-chat python-socket rich rsa rsa-python rsa-socket server-chat socket

Last synced: 07 Apr 2025

https://github.com/apratimshukla6/enyo

Enyo is a lightweight multistage partition-based encryption algorithm. Enyo cipher demonstrates good resistance to a brute-force attack. It is well suited for small-scale applications where the computational power is a bottleneck.

cryptography custom-encoder encryption-algorithm encryption-decryption enyo feistel-cipher owasp pypi pypi-package python security symmetric-key-cryptography url-safe

Last synced: 17 Jan 2026

https://github.com/vvhacker007/steganography

✨Encoding text messages✍🏻 within images🖼 and videos📽✨

cryptography hide-messages python scripts steganography

Last synced: 12 Apr 2025

https://github.com/hashlab/dukptkit

A golang tool to generate keys required for using 3DES-DUKPT

3des cryptography dukpt hardware pos

Last synced: 13 Jan 2026

https://github.com/lovasoa/samsung-email-password-decrypt

Decrypt encrypted passwords in EmailProvider.db on samsung phones.

android cryptography decoder forensics pasword samsung security

Last synced: 24 Mar 2025

https://github.com/SymbolicSoft/noiseexplorer

Online engine for reasoning about the Noise Protocol Framework.

cryptographic-protocols cryptography formal-methods formal-verification protocol-analysis protocol-verification symbolic-protocol-analysis

Last synced: 11 Apr 2025

https://github.com/dkosmari/gnome-shell-extension-totp

A GNOME Shell extension to generate Time-based One-Time Passwords (TOTP aka Time-based OTP) for websites that use 2FA.

2fa 2factor cryptography gnome gnome-shell gnome-shell-extension javascript otp otp-generator otpauth security totp

Last synced: 21 Aug 2025

https://github.com/didactic-drunk/blake3.cr

Blake3 for Crystal

blake3 cryptography crystal digest hashing

Last synced: 07 May 2025

https://github.com/bbqsrc/borg-machine

macOS wrapper for borg backup

backup borgbackup cryptography macos time-machine

Last synced: 26 Oct 2025

https://github.com/elucidsoft/dotnetstandard-bip39

BIP39 Implementation in .NET Standard 2.0

bip39 cryptocurrency cryptography

Last synced: 12 Feb 2026

https://github.com/karlmcguire/ige

IGE block cipher mode for Go.

aes aes-ige cryptography

Last synced: 04 Apr 2026

https://github.com/ktonon/elm-crypto

Cryptography with HMAC and SHA-2

cryptography elm hmac sha-2

Last synced: 11 Apr 2025

https://github.com/mikong/stanford-cryptography

Programming assignments for Coursera Cryptography I by Stanford University

cryptography padding-oracle-attacks rsa-attacks rust

Last synced: 29 Apr 2025

https://github.com/meck93/evote-crypto

Cryptographic library written in JavaScript. Created at UZH as a part of an E-Voting project.

cryptography ecc elgamal elliptic-curves evoting finite-field-arithmetic homomorphic-encryption typescript

Last synced: 11 Apr 2025

https://github.com/poustouflan/sunbox

An open-source SBox analysis utility

cryptography cryptography-tools cybersecurity python python3 sbox sbox-tool

Last synced: 14 Apr 2025

https://github.com/esiqveland/okhttp-awssigner

An OkHttp interceptor for signing requests with AWSv4 signatures

aws cryptography interceptor okhttp signature

Last synced: 11 Jan 2026

https://github.com/rgab1508/cryptocrit

An open-source Cryptocurrency Project

blockchain blockchain-technology college cryptocurrency cryptography fcrit flutter flutter-app flutter-ui password-less-authentication

Last synced: 14 Apr 2025

https://github.com/boazeb/papervault

Paper vault for passwords and secrets

cryptocurrency cryptography cybersecurity digital-asset-security password-manager

Last synced: 20 Apr 2026

https://github.com/oke-aditya/neural_encryption_networks

ICADCML 2021 A Novel Approach to Encrypt Data using Deep Neural Networks

cryptography deep-learning keras neural-cryptography

Last synced: 12 Oct 2025

https://github.com/simplito/xtea-js

A pure JavaScript XTEA block cipher implementation (PHP MCRYPT_XTEA compatible) with support for ECB and CBC modes of operation and PKCS7 padding.

cbc cryptography ecb pkcs xtea

Last synced: 11 Apr 2025

https://github.com/heartsucker/rust-csrf

Primitives for CSRF protection.

cryptography csrf csrf-protection http rust security

Last synced: 07 Aug 2025

https://github.com/colinxu2020/slhdsa

The pure python implement of the slh-dsa algorithm.

crypto cryptography fips205 postquantum postquantumcryptography pqc pqcrypto python python-crypto python-cryptography python3 slh slh-dsa sphincs sphincs-plus sphincs-shake

Last synced: 18 Jan 2026

https://github.com/fraunhofer-aisec/hbs-lms-rust

Pure Rust implementation of the Leighton Micali Signature scheme.

cryptography hash-based-signatures lms post-quantum rust signature

Last synced: 03 Jul 2025

https://github.com/kanav99/aes.jl

Advanced Encryption Standard On-the-Fly mode in Julia

aes cryptography julia

Last synced: 20 Jun 2025

https://github.com/nucypher/numerology

Numerology: Optimized ECC arithmetic library for secp256k1 in Solidity

cryptography elliptic-curves secp256k1 solidity zero-knowledge-proofs

Last synced: 24 Apr 2025

https://github.com/dirkschumacher/blake3

BLAKE3 Cryptographic Hash Function in R

blake3 cryptography hashing r

Last synced: 15 May 2025

https://github.com/elliotwutingfeng/2fas-backup-decryptor

CLI tool to decrypt backup files exported from the 2FAS Authenticator app. This application is neither affiliated with Two Factor Authentication Service, Inc. nor 2FAS.

2fa 2fas aes aes-gcm android backup cryptography cybersecurity decryption encrypt encryption hmac-sha256 ios linux macos otp pbkdf2 security totp windows