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/danieltoader/php-crypttor

A simple php library to deal with encrypting and decrypting strings using OpenSSL or MCrypt

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Last synced: 01 Sep 2025

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

AIoT NACL Certification System

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Last synced: 08 Apr 2026

https://github.com/priyanshujain/crypto

A simplified crypto module using go crypto library

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Last synced: 16 Jun 2025

https://github.com/jasondrawdy/compendio

Collection of common and noteworthy extension methods, security tools, and filesystem functions generally found in most applications; focusing on extensibility and portability.

compendium converters cryptography data extensions generators hashing library security utilities validation windows

Last synced: 18 May 2026

https://github.com/aatxe/hacl-rs

Rusty bindings for HACL*, a formally verified cryptographic library written in F*.

cryptography security verified-primitives

Last synced: 27 Mar 2025

https://github.com/kfkrogr/electron-executer

Electron Executor is one of the most favorite Roblox Executors at the moment. Before I tell you how to download Electron Executor, let me tell you that it is currently available safely for Windows. But it is not officially available for Android users as of now but the update is coming and will be launched soon.

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Last synced: 05 Jan 2026

https://github.com/qtumproject/qtool

Qtool is a cli command, a JSON RPC api and a golang package that provides crypto functionalities specific for qtum blockchain

bitcoin cryptography ecdsa qtum

Last synced: 28 Apr 2025

https://github.com/michaelsproul/antifa

Build a Merkle tree for your files

cryptography filesystem integrity paranoid rust

Last synced: 25 Oct 2025

https://github.com/kareimgazer/des

Implementation of the Data Encryption Standard algorithm using C++

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Last synced: 29 Mar 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/yrotak/d-1

D-1 is an open source symmetric encryption algorithm

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Last synced: 23 Feb 2025

https://github.com/ph4r05/zipstream

ZIP archive tampering on the fly library

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Last synced: 15 Mar 2025

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

a bitcoin libsecp256k1 binding for golang. [WIP]

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Last synced: 02 Mar 2025

https://github.com/8hantanu/cryp2o

Watermark based image encryption

cryptography dct rsa

Last synced: 11 Aug 2025

https://github.com/alaouimehdi1995/encryption-decryption-algorithm

Algorithm that encrypt and decrypt data (text) with algorithm based on random keys

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Last synced: 06 Mar 2025

https://github.com/cipherstash/enveloperb

Ruby bindings for the envelopers envelope-encryption library

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Last synced: 07 May 2025

https://github.com/ahf/orbis

An Erlang library for building worker pools using consistent hashing.

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Last synced: 22 Mar 2025

https://github.com/maxpat78/cryptopad

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

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Last synced: 12 Apr 2025

https://github.com/utarwyn/a51-cipher

Java implementation of the A5/1 Stream Cipher.

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Last synced: 04 Mar 2025

https://github.com/cosmian/cloudproof_java

The Java API library to Cosmian Cloudproof Encryption

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Last synced: 22 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.

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Last synced: 11 Apr 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/maxirmx/tip5

Tip5 hash algorithm implementation in C++

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Last synced: 29 Jun 2025

https://github.com/pandh4cker/encode-decode-morse-code

Encode&Decode Morse Code

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Last synced: 25 May 2026

https://github.com/guilherme-marcello/steganos-bmp

Toolkit to cipher&hide a message in a bitmap image file and recover

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Last synced: 16 May 2026

https://github.com/dylan-lang/hash-algorithms

Cryptographic hash functions for Dylan

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Last synced: 03 Feb 2026

https://github.com/abhisinha08/cryptile

A Desktop App and CLI tool to encrypt and decrypt your files with a secure password

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Last synced: 27 Jun 2025

https://github.com/gusandrioli/small-aes

Simple text and PDF encrypter/hasher CLI application.

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Last synced: 15 Jan 2026

https://github.com/lucabonamino/crypto-vdf

Cryptocurrency and Cryptographic blockchain Verifiadle Delay Functions project

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Last synced: 27 Dec 2025

https://github.com/anirbanbasu/paillier-crypto

Implementation of the additively homomorphic Paillier cryptosystem

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Last synced: 24 Jun 2025

https://github.com/yosif9999/hamster-clicker

Hamster Kombat Bot is a Python-based automation tool specifically designed for the game Hamster Kombat. This bot is capable of performing all in-game tasks, including auto-tapping, cipher tasks, and purchasing the best cards on your behalf. It's a free and fully automated farming bot that enhances your Hamster Kombat gaming experience.

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Last synced: 02 Feb 2026

https://github.com/glaukiol1/gagchain

Proof-Of-Work blockchain written in Go

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Last synced: 05 Mar 2026

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

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

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Last synced: 17 Jan 2026

https://github.com/asc8384/neural-distinguishers

Neural Distinguishers on TinyJAMBU-128 and GIFT-64

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Last synced: 07 Apr 2025

https://github.com/newam/p256-cm4

A rust re-implementation of Emill/P256-Cortex-M4

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Last synced: 23 Dec 2025

https://github.com/ahmeddwalid/walid-passanalyzer

A modern, privacy-focused password strength analyzer built with React and TypeScript

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Last synced: 28 Oct 2025

https://github.com/f3r10/programming_bitcoin

Rust implementation of the code developed in the book Programming Bitcoin by Jimmy Song.

bitcoin cryptography rust

Last synced: 18 May 2026

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

C ++ library for JSON encryption with COMMENTS

cryptography json json-parser strip-json-comments

Last synced: 15 May 2026

https://github.com/vsrc/playground

My personal sandboxed experimenting lab

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Last synced: 16 May 2026

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/samuel-lucas6/rocca-s.net

A .NET implementation of Rocca-S.

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Last synced: 27 Mar 2025

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

Simple Text Obfuscator for NodeJS or Browser

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Last synced: 22 Jun 2025

https://github.com/andreacrotti/cyphers

clojure clojurescript cryptography

Last synced: 27 Mar 2025

https://github.com/Projects-Developer/Top-10-BCA-Final-Year-Projects

The top 10 BCA final year projects include e-commerce website development, online survey and feedback systems, web scraping and data mining. Top 10 BCA Projects .Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials.

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Last synced: 11 Sep 2025

https://github.com/usbokirishima/pwds

Lightweight GTK4 password manager encrypted with AES-256.

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Last synced: 16 Feb 2026

https://github.com/jadnohra/zig-crypto-bench

Crypto benchmarks: Zig vs Rust performance comparison.

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Last synced: 18 May 2026

https://github.com/w3c/identity-web-impact

This document proposes an overview of Digital Identities on the Web and an analysis through different use cases of the systemic impact on both the market side and the human side, as well as the role that Web standardization may play in managing that impact

cryptography identity spice threat-modeling verifiable-credentials

Last synced: 11 Jul 2025

https://github.com/guilhermeisnotunix/grifforix

Grifforix aims to be a strong and secure password generator made in Java, it uses the Java's *java.security.SecureRandom* library. I have plans to make it also a secure authenticator software in the future. Grifforix is currently experimental in v.0.9.2-alpha.

cryptography password-generator random-number-generators

Last synced: 15 May 2026

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

zksnarks,zkstarks Cryptographic protocols implementation using Rust

cryptography privacy rust

Last synced: 14 Jan 2026

https://github.com/belajarqywok/wintrapd

crafting malware, presentation and discussion material for network and computer security courses. [ Group - 2 ]

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Last synced: 11 Jan 2026

https://github.com/lvmalware/lvha256

The LV Hash Algorithm - my own cryptographic hashing algorithm

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Last synced: 31 Mar 2025

https://github.com/tmlnv/sanity

Solana vanity address generator with CLI & TUI.

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Last synced: 12 Jan 2026

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/skyf0l/ncenc

Netcat wrapper to encrypt network traffic with openssl.

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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.

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Last synced: 02 May 2026

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

Github action to sign and verify minisign/signify signatures

crypto cryptography github-actions gpg minisign pgp signify

Last synced: 05 Jan 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/merkle-tree

🌲 Merkle Tree in Go

cryptography golang hash

Last synced: 07 Jul 2025

https://github.com/py-zero/cryptozero

Simple, strong cryptography for beginners, in Python.

cryptography education python3

Last synced: 15 Jan 2026

https://github.com/trailofbits/rfc8785.py

A pure-Python implementation of RFC8785 (JSON Canonicalization Scheme)

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Last synced: 15 Apr 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/allouis/lamport-ots

🔏 Lamport One-Time Signatures in JavaScript 🔏

cryptography lamport ots signature

Last synced: 05 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/bytemare/hash2curve

Go implementation of RFC 9380 - Hashing to Elliptic Curves

cryptography ecc elliptic-curves go golang hash hash-to-curve rfc9380 secp256k1

Last synced: 10 Apr 2025

https://github.com/practicalparticle/particle-core

**EXPERIMENTAL SOFTWARE** The particle-core GitHub repository houses the MultiPhaseSecureOperation library and Guardian Account Abstraction implementation, which together offer a novel approach to blockchain security by decoupling asset authority and introducing time-delayed operations.

account-abstraction blockchain cryptography ethereum meta-transactions role-based-access-control security smart-contracts solidity timelock typescript

Last synced: 23 Mar 2025

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

Lightweight API for the Silence protocol

cryptography java-8 silence sms smssecure textsecure

Last synced: 06 Jun 2026

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

Implementation of Post-quantum cryptography signature protocol

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Last synced: 06 Jan 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/victorzhang2014/zrcryptographyoc

ZRCryptographyOC, a set of cryptographic methods which provides an easily way to call. It includes RSA,AES,DES,MD5,SHA1,SHA224,SHA384,SHA512 algorithms.

aes cryptography ios md5 rsa sha1 sha224 sha256 sha512

Last synced: 06 Apr 2025

https://github.com/shinbatsu/tryhackme-awesome

[👾] TryHackMe / tryhackme -The Comprehensive list of rooms (1000+). Ordered by popularity. Solutions, badges, points.

awesome-list cryptography cyber-security list reverse-engineering tryhackme

Last synced: 07 Sep 2025

https://github.com/zkdotim/zkim-file-format

Secure encrypted file format with three-layer encryption, integrity validation, and privacy-preserving search capabilities

blake3 cryptography encryption file-format privacy searchable-encryption security typescript xchacha20 zero-knowledge

Last synced: 15 Jan 2026

https://github.com/citp/public-verification

Accountability mechanisms for the Apple PSI system described in Public Verification for Private Hash Matching.

apple benchmark bls-signatures cryptography zero-knowledge

Last synced: 17 Mar 2025

https://github.com/axman6/curve25519

A Pure Haskell implementation of Curve25519

cryptography curve25519 haskell

Last synced: 28 Oct 2025

https://github.com/steampixel/php-one-time-pad

cryptography encryption php security

Last synced: 21 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.

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Last synced: 26 Jan 2026

https://github.com/charlot-dedjinou/best-flag

Best Flag is an exciting project that will put your cryptographic and steganographic skills to the test. The aim is to discover a secret message hidden in the “best_flag” file, using different encryption algorithms.

cryptography express expressjs flag mongodb react reactjs steganography tailwind tailwindcss

Last synced: 11 Apr 2026

https://github.com/demindiro/nora_ssh

Pure Rust async library for SSH servers and clients

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Last synced: 01 Apr 2025

https://github.com/gotz1480/cryptography

Cryptography projects and algorithms in Python

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Last synced: 07 Apr 2025

https://github.com/lukebaal/cloudproject

blockchain consent-management cryptography hyperledger privacy-by-design user-privacy

Last synced: 11 Apr 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/scifer99/pki-engineering

PKI Engineering Repository for Secure Web Application Development

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Last synced: 02 Feb 2026

https://github.com/milliorn/cli-password-generators

Simple command-line applications for generating passwords

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Last synced: 11 Jan 2026

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/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/rpj/poo-attest

Proof-of-Ownership attestation tool via commitment schemes

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Last synced: 29 Mar 2025

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.

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Last synced: 11 Jul 2025

https://github.com/sayalisachin/MediCrypt

This is a Hospital Communication System Using DNA Encryption and Image Steganography This project enables secure communication between two hospitals, Hospital A and Hospital B, by encrypting and hiding sensitive patient data within images using DNA encryption and Least Significant Bit (LSB) steganography techniques, powered by Socket.IO

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Last synced: 21 Jun 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/demining/private-key-debug

Private key Debug: Incorrect generation of private keys, system vulnerabilities and errors in calculating the order of the elliptic curve secp256k1 threats to the Bitcoin ecosystem

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Last synced: 01 May 2026

https://github.com/rusq/gonss3

Subset of Mozilla NSS enough to decrypt firefox passwords

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Last synced: 31 Mar 2025

https://github.com/banyc/chatter

An End-to-End Intranet IM with Message Encryption. __Download link:

cryptography dotnet end-to-end-encryption instant-messaging intranet windows

Last synced: 30 Apr 2026

https://github.com/helcsnewsxd/cbmc-analysis-report

Technical report on CBMC (C Bounded Model Checker) - Software Engineering II course project - Computer Science @ FAMAF (UNC)

bounded-model-checking cbmc cryptography ctf-writeup famaf formal-verification software-engineering static-analysis university-project

Last synced: 02 Jul 2025

https://github.com/angelobattaglia/gematro

A cryptographic calculator (Written by Saun Virroco)

cryptography steganography

Last synced: 08 Jun 2026

https://github.com/tcfw/ocs

An Open Cryptography Standard

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Last synced: 29 Apr 2026

https://github.com/mohammedmehdio/caesarjaw

CaesearJaw 🔐 is a Caesar Cipher Bash Script that allows you to encrypt, decrypt, find a shift key, and brute-force decrypt a given text using the Caesar Cipher.

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Last synced: 29 Apr 2026

https://github.com/furk4nbulut/julius-caesar-cryptography-algorithm

Java program implements the Julius Caesar's Cryptography Algorithm, also known as Caesar Cipher. The Caesar Cipher is a substitution cipher where each letter in the plaintext is shifted a fixed number of places down or up the alphabet.

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Last synced: 09 Jun 2026