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
JSON Representation

https://github.com/ringsnetwork/whitepaper

This repo is about whitepapers of rings network, you can find tex sources and compiled files here.

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Last synced: 18 Jan 2026

https://github.com/vineethsai/maif

Cryptographically-secure, auditable file format for AI agent memory with provenance tracking

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Last synced: 13 Jan 2026

https://github.com/ph4r05/bitarray

Efficient bit array operations library for Python implemented in C

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Last synced: 14 Jan 2026

https://github.com/shantanu66/cryptchat

A Desktop Application made using Tkinter framework in Python for Text Chatting between indivisuals or groups which is end to end encrypted using symmetric cyrptography algorithms.

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Last synced: 07 Oct 2025

https://github.com/nccgroup/pasta-curves

Provides the Pasta curves: Pallas, Vesta and their field elements Fp and Fq.

cryptography elliptic-curve-cryptography elliptic-curves

Last synced: 26 Apr 2025

https://github.com/dedipresta/scala-crypto

Dependency free implementation of cryptographic hash functions for Scala and Scala.js

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Last synced: 14 Jan 2026

https://github.com/hongyanwang/crypto-lab

Golang implementation of multiple crypto protocols

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Last synced: 21 Feb 2026

https://github.com/carlodepieri/vcrpy-encrypt

Encrypt vcrpy cassettes so they can be safely kept under version control.

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Last synced: 13 Oct 2025

https://github.com/leplusorg/docker-crypt

Multi-platform Docker container with utilities to cipher/decipher/sign data (gnupg, openssl, age, jose, xmlsec...).

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Last synced: 11 Jun 2026

https://github.com/cosmian/mpc_join

CipherCompute: Blind Join for Confidential Data Science and Federated Learning using MPC

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Last synced: 15 Apr 2025

https://github.com/kamushadenes/cloud-verify

Cryptographic attestation to verify if your application is running within a cloud environment.

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Last synced: 30 Aug 2025

https://github.com/rarestype/swift-cryptography

don’t build boringssl from source

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Last synced: 28 May 2026

https://github.com/tteeoo/sest

🔑 A local command-line based password manager using AES-256 encryption.

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Last synced: 17 Feb 2026

https://github.com/chardoncs/libpgfe

Experimental cryptographic & OTP library

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Last synced: 12 Mar 2025

https://github.com/2140-dev/swiftsync

SwiftSync node and underlying crates

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Last synced: 29 Aug 2025

https://github.com/clay-good/proxilion

Proxilion is the security layer for the agentic workforce. It turns managed AI agents into governed users by enforcing strict cryptographic boundaries on every API call to SaaS like Google Workspace, Salesforce, or Atlassian.

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Last synced: 30 May 2026

https://github.com/messsimo/crypto-search

App for Crypto House which show live crypto coin information

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Last synced: 25 Feb 2026

https://github.com/rub-nds/terrapin-website

This repository hosts the public website for the paper "Terrapin Attack: Breaking SSH Channel Integrity By Sequence Number Manipulation" via GitHub Pages.

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Last synced: 18 Jan 2026

https://github.com/dajiaji/mkkey

Application-layer Key Generator supporting JWK (JSON Web Key) and PASERK (Platform-Agnostic Serialized Keys).

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Last synced: 14 Jan 2026

https://github.com/hmxustin/pybchain

Реализация блокчейна, работающего по протоколу PoW

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Last synced: 26 Jan 2026

https://github.com/cs-joy/cryptography

about cryptography

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Last synced: 23 Jan 2026

https://github.com/null93/rsa-encryption

Implementation of the RSA encryption algorithm using big-integer algebra algorithms

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Last synced: 05 Sep 2025

https://github.com/fpoirotte/cryptal

Cryptography Abstraction Layer for PHP

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Last synced: 24 Mar 2025

https://github.com/lumarans30/astralsafeserver

AstralSafe server with Node.js

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Last synced: 05 May 2026

https://github.com/towerism/stegosaurus

A steganography tool written in rust

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Last synced: 10 Jun 2025

https://github.com/omiyagames/omiya-games-cryptography

Unity package containig a collection of cryptography-related tools.

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Last synced: 26 Jan 2026

https://github.com/wolframalph/dh

Diffie-Hellman key exchange implementation in Go

cryptography diffie-hellman golang

Last synced: 02 Jul 2025

https://github.com/lunes-platform/ed25519-axolotl

📦 Ed25519-like signatures with X25519 keys, Axolotl-style.

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Last synced: 27 Oct 2025

https://github.com/chase-moskal/pastesafe

open encryption web app

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Last synced: 17 Aug 2025

https://github.com/sorah/xaes_gcm

Ruby implementation of XAES-256-GCM, an extended-nonce AEAD built on AES-256-GCM

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Last synced: 28 May 2026

https://github.com/loneicewolf/ciphers-python

Cypher, Cipher, Cyphers, Ciphers, cryptography, encryption, obfuscation, enciphering, deciphering - in python3

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Last synced: 23 Apr 2025

https://github.com/loneicewolf/compact-caesar-cipher

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Last synced: 23 Jan 2026

https://github.com/thomasdesr/minisign-action

Github action to sign and verify minisign/signify signatures

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Last synced: 05 Jan 2026

https://github.com/mewmix/sm4-xts-openssl

openssl sm4-xts & aes-xts 256 implementations for testing

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Last synced: 07 Jun 2026

https://github.com/i-umairkhan/ecdsa_node

Transactions via ECDSA cryptography algorithm.

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Last synced: 14 Apr 2026

https://github.com/gunh0/whitebox_cryptanalysis

🔒 Whitebox Cryptographic Code Example

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Last synced: 25 Mar 2025

https://github.com/ml3m/cryptography-algorithms-exploration

implementations of various cryptographic algorithms, including both symmetric and asymmetric encryption, hashing, and key exchange techniques

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Last synced: 18 Jun 2025

https://github.com/dorssel/dotnet-xmss

.NET 8 implementation of XMSS.

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Last synced: 09 Apr 2025

https://github.com/davxy/cry

CRY crypto library

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Last synced: 09 Apr 2025

https://github.com/ausaf007/multi-party-computation

Create Ethereum wallet with multi-party validation and threshold cryptography.

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Last synced: 04 Oct 2025

https://github.com/ironcorelabs/tenant-security-client-php

Client for the Tenant Security Proxy in PHP

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Last synced: 02 Jul 2025

https://github.com/samuelschlesinger/blake3-lamport-signatures

An implementation of Lamport/Merkle signatures in Rust using the BLAKE3 hash function.

cli cryptography lamport-signature-scheme merkle-signature-scheme rust rust-lang signature

Last synced: 18 Mar 2025

https://github.com/luffy0xcyber/cryptographie_classique

Implémentation Python des chiffrements historiques (César, Hill, Vigenère) avec explications détaillées et simples | Projet éducatif de cryptographie

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Last synced: 13 Jun 2025

https://github.com/virgilsecurity/virgil-ratchet-x

Virgil Security Ratchet Objective-C/Swift SDK provides an implementation of the Double Ratchet algorithm, which is used by parties to exchange encrypted messages based on a shared secret key.

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Last synced: 14 Jun 2025

https://github.com/pmuens/time-lock-puzzle

Time-Lock Puzzle schemes implemented in Go and compiled to WebAssembly

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Last synced: 15 May 2025

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

Cryptography Utils for Rust

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Last synced: 13 May 2025

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/oliverbutler/steggy

Written in Rust, features a simple cli and a client-side webapp

cli cryptography rust steganography

Last synced: 12 Mar 2026

https://github.com/delthas/libsilence-java

Lightweight API for the Silence protocol

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Last synced: 06 Jun 2026

https://github.com/uncomputable/tackling-bulletproofs

In-depth survey into what Bulletproofs are and how they work

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Last synced: 19 Mar 2026

https://github.com/blagojeblagojevic/sha256

SHA256 as a header library

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Last synced: 14 Jun 2025

https://github.com/marcode24/criptografia-rsa

🔐 This is a cryptography project testing, using RSA criptography

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Last synced: 11 Apr 2026

https://github.com/cupcakearmy/occulto

Isomorphic encryption library that works both in the browser and node.

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Last synced: 15 Apr 2025

https://github.com/ironcorelabs/ironoxide-swift

IronCore Labs SDK for Swift Applications

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Last synced: 02 Jul 2025

https://github.com/ironcorelabs/tenant-security-client-nodejs

NodeJS client library for the IronCore Labs Tenant Security Proxy

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Last synced: 02 Jul 2025

https://github.com/guillaumebouchetepitech/wasm-cryptopp-as-module

Basic WebAssembly port of the open source cryptography library libCrypto++

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Last synced: 11 Apr 2026

https://github.com/pastesafe/pastesafe.github.io

instant web cryptography. encrypt in realtime as you type. share and decrypt ciphertext.

cryptography web-app

Last synced: 10 Mar 2026

https://github.com/saeed0xf/black-hat-ctf

This CTF event was organised by Data Science analytics and Cyber Security club at the annual Tech Fest Prajyukttam 🎆, Assam Don Bosco University 🎓

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Last synced: 01 Mar 2025

https://github.com/crnobog69/polychaos

PolyChaos 🔐 | систем шифровања - encryption system

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Last synced: 06 Feb 2026

https://github.com/seigtm/rsa

A simple C# code that allows you to encrypt and decrypt huge numbers using the RSA algorithm.

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Last synced: 20 Apr 2025

https://github.com/namecoin/certinject

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

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Last synced: 27 Jan 2026

https://github.com/mrdcvlsc/password-manager

A simple online password manager web application with demo deployed in render.com

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Last synced: 15 Apr 2025

https://github.com/mobilecoinfoundation/rand

A platform abstraction layer providing a cryptographic RNG

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Last synced: 26 Jul 2025

https://github.com/gerhalt/cryptopals

Solutions to Cryptopals challenges in Python 3. Visit https://cryptopals.com/ for the complete list of challenges.

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Last synced: 13 May 2026

https://github.com/ntdls/secure-archive

Secure Archive is a file encryption utility that provides multiple encryption algorithms, variable compression levels, secure file delete, self-extracting archives and more.

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Last synced: 27 Mar 2026

https://github.com/erhant/polenta

A toy language to play around with polynomials over finite fields.

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Last synced: 06 Feb 2026

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

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Last synced: 23 Aug 2025

https://github.com/jean0t/passmanager

Incredible password manager made in python

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Last synced: 10 Apr 2026

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

aes s-box and lookup tables generator

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Last synced: 19 Apr 2026

https://github.com/b0oml/monoalphabetic-solver

Web interface for performing monoalphabetic substitution

cryptography substitution-cipher webapp

Last synced: 10 Feb 2026

https://github.com/davidbuchanan314/roll13

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

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Last synced: 22 Aug 2025

https://github.com/a-farahani/tokenmanager

TokenManager is a Python GUI tool for managing PKCS#11 tokens. It supports token detection, login, RSA key generation, CSR creation, certificate import, and object listing. Built with tkinter and python-pkcs11, it simplifies token management tasks.

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Last synced: 04 Jan 2026

https://github.com/vaithak/birthday-paradox-simulation

A simulator of the birthday paradox problem

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Last synced: 19 Oct 2025

https://github.com/mrcarb0n/zipsignerust

High-performance, memory-safe cryptographic signing and verification for Android ZIP archives.

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Last synced: 24 May 2026

https://github.com/nexenio/rxkeystore

RxJava wrapper for the Android keystore and cryptography utilities

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Last synced: 19 May 2026

https://github.com/christoffercarlsson/autograph

The Autograph Protocol

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Last synced: 18 Oct 2025

https://github.com/r1b/cryptography

Self-study in cryptosystems

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Last synced: 08 Apr 2025

https://github.com/kingmob/cryptopals-crypto-challenges

The Cryptopals (formerly Matasano) crypto challenges

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Last synced: 27 Oct 2025

https://github.com/samuel-lucas6/padme.net

A .NET implementation of PADMÉ padding.

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Last synced: 23 Jan 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/ngirimana/rsa

RSA algorithm is asymmetric cryptography algorithm. Asymmetric actually means that it works on two different keys i.e. Public Key and Private Key. As the name describes that the Public Key is given to everyone and Private key is kept private.

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Last synced: 07 May 2026

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

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

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Last synced: 16 Oct 2025

https://github.com/newyaroslav/crypto-json

C ++ library for JSON encryption with COMMENTS

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Last synced: 15 May 2026

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

Universal Zero Knowledge Contingent Payments (on hold)

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Last synced: 19 Apr 2026

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

Enigma is a Java-based cryptographic system that integrates symmetric (AES, DES, Blowfish), asymmetric (Diffie-Hellman, RSA, DSA), and hashing algorithms (MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512). It ensures data confidentiality, integrity, and authentication with modern cryptographic standards.

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Last synced: 27 Jan 2026

https://github.com/sepandhaghighi/integer-squaring

Integer Squaring Algorithm

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Last synced: 15 Oct 2025

https://github.com/jcbritobr/libnacl

Rust wrapper API for libnacl - https://nacl.cr.yp.to/

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Last synced: 14 Oct 2025

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.

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Last synced: 12 Apr 2026

https://github.com/romainbou/ise2ee

Is it End-to-end Encrypted?

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Last synced: 14 Oct 2025

https://github.com/harryr/stegive

Steganographic encrypted archive

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Last synced: 27 Oct 2025

https://github.com/salvacorts/fr-chat-client

:rocket: P2P Chat with asymmetric encryption

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Last synced: 15 Mar 2025

https://github.com/nulltea/nulltea

0️⃣ ☕️ - research engineer

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Last synced: 14 Oct 2025

https://github.com/defucc/hashkeys

Reactive Noble cryptography for p2p identity

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Last synced: 20 Jan 2026

https://github.com/abdellatif-temsamani/cryptjs

`cryptjs` is a JavaScript/TypeScript library that brings cryptographic functionality from Dart to the web

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Last synced: 22 Jan 2026

https://github.com/piotrpsz/gost

GOST algorithm implemented in Go

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Last synced: 17 May 2025

https://github.com/unclerus/regnupg

Python GnuPG wrapper

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Last synced: 03 Apr 2025

https://github.com/rzubek/easy-cryptography

Easy, simple C# API for common cryptography operations. Wraps built-in .NET crypto libraries, but with simplified API using safe defaults. Single C# file, no extra dependencies.

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