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/laget-se/laget.cryptography

Generic implementation of cryptography using AES.

cryptography nuget

Last synced: 02 Feb 2026

https://github.com/UofSC-Fall-2022-Math-587-001/homework3

Prime factorization and primitive powers mod p

cryptography go latex math

Last synced: 28 Aug 2025

https://github.com/khaydarov/itmo-crypto-lab

Crypto System from ITMO cryptography course

crypto-systems cryptography nodejs

Last synced: 25 Jul 2025

https://github.com/olukeye/fastapi-complaint-app

A simple application for logging complaint or report an issues form user activities.

crypto cryptography fastapi mssql-server pydantic-models pyodbc

Last synced: 17 May 2026

https://github.com/anishsingh90/regular-solidity-code-2

Regular Solidity Code: A repository showcasing Solidity snippets, smart contract examples, and projects for learning and building secure, efficient blockchain applications. 🚀 Ideal for exploring Ethereum development and decentralized innovation! 🌐✨

blockchain cryptography defi nfts smart-contracts solidity

Last synced: 01 Apr 2025

https://github.com/amiriiw/merklenote

Merkle Note is a secure text editor that offers advanced file management and encryption features. It encrypts files using a Merkle root as a password, ensuring data integrity and confidentiality. Users can create, open, and save encrypted or plain text files, while the intuitive interface streamlines file navigation.

cryptography editor file hash merkle-tree notebook password

Last synced: 21 Aug 2025

https://github.com/fl03/aqueduct

Aqueduct is a dynamic encryption protocol merging elliptic-curve cryptography with fully-homomorphic encryption standards.

cryptography rust

Last synced: 03 Apr 2025

https://github.com/victordegallegos/criptografia-y-seguridad

Repositorio de tareas y prĂĄcticas de la asignatura CriptografĂ­a y Seguridad Facultad de Ciencias UNAM semestre 2023-1

cryptography

Last synced: 17 Aug 2025

https://github.com/rafaelcn/cryptography

Implementation of some cryptographic algorithms

algorithms cryptography

Last synced: 18 Jun 2025

https://github.com/mimi-netizen/Python-Scripts

This repository provides a versatile collection of Python scripts to streamline system administration tasks. It includes tools for browser automation, web scraping, and cryptographic operations, with detailed documentation and planned enhancements to expand functionality

cryptography selenium-webdriver webscraping

Last synced: 17 Aug 2025

https://github.com/athari22/morse-code-converter

Morse Code Converter - A Python tool that translates text to Morse code and vice versa.

cryptography cryptography-project cryptography-tools morse morse-code morse-code-translator python

Last synced: 08 May 2025

https://github.com/lautarodragan/pocs.tux-ecb

Why encrypting with ECB is bad

cryptography poc symmetric-cryptography

Last synced: 17 Jul 2025

https://github.com/antonkueltz/ocb-forger

Inoue and Minematsu's attack against OCB2

authenticated-encryption cryptanalysis cryptography forgery

Last synced: 17 Jul 2025

https://github.com/mikehorn-git/cryptography-c

Simple hash implementations in C/C++.

botan cryptography openssl

Last synced: 26 Jul 2025

https://github.com/jeffotoni/gcry

An exercise with some algorithms of encryption in Golang, like CBC, CFB, GCM, OFB, MD5, BLOWFIS etc.

blowfish-algorithm criptografia criptography crypto-cbc crypto-coin cryptography go golang

Last synced: 17 Jul 2025

https://github.com/tesselay/yubikey-post-hook-uki-signing

mkinitcpio post hook to auto sign UKI using any inserted YubiKey

certificate cryptography key-crypto linux mkinitcpio piv smartcard uki unified-kernel-image x509 yubikey

Last synced: 19 May 2026

https://github.com/topay-foundation/topay_z512

Cross-language 512-bit lattice-based post-quantum encryption library (Rust ¡ Go ¡ JS)

blockchain cryptography encryption-decryption golang javascript rust topayz512

Last synced: 16 Jul 2025

https://github.com/ryanj93/dotline-client

The DotLine Client :: DotLine is an IM app with end-to-end encryption and several message type support.

chat cryptography end-to-end-encryption instant-messaging

Last synced: 07 Apr 2026

https://github.com/vertigovx/crypto-wallet-generator

A Python-based tool to generate and manage cryptocurrency wallets for Ethereum and Bitcoin, featuring a GUI, encryption, and decryption capabilities.

bitcoin crypto-wallet cryptocurrency cryptography ethereum python3

Last synced: 08 May 2026

https://github.com/antonmeep/fastpbkdf2_ada

Binding and an Ada wrapper for fastpbkdf2

ada cryptography pbkdf2

Last synced: 16 Jul 2025

https://github.com/vilajj/python-client_server-socket

A simple client-server created with Python, with cryptograpy and threading.

client-server cryptography python socket threading-server

Last synced: 10 Sep 2025

https://github.com/rurumimic/siege

🏰 공성전

aes cryptography rsa rust security tls

Last synced: 27 Jul 2025

https://github.com/rakibhossain72/xorpass

XORpass is a Flask-based password manager application with MongoDB integration. It allows users to securely store their passwords in a MongoDB database, with encryption applied using their own master password. This ensures that the stored passwords are protected and can only be accessed by the owner.

cryptography encrypted-store flask password-manager

Last synced: 15 Jul 2025

https://github.com/abdulsamie10/rsaencryptiondecryption

This repository contains code of encryption and decryption of data using RSA. Developed in Java.

aes aes-128 aes-256 aes-encryption aes256 cryptography eclipse java java-8 rsa rsa-cryptography rsa-decryption rsa-encryption rsa-java

Last synced: 07 Nov 2025

https://github.com/andrey-oss/task_management_system

Task management system - Simple ecosystem for task managing from the web written on python3!

aes crud cryptography database django free management manager task

Last synced: 07 Apr 2026

https://github.com/fungrim/gcp-kms-csr-generator

A small utility library that creates CSR's where the private key is stored in GCP KMS.

bouncy-castle cryptography csr digital-signatures gcp gcp-kms java java-8 kms

Last synced: 14 Jul 2025

https://github.com/cossacklabs/homebrew-tap

Homebrew tap for CossackLabs packages

brew crypto cryptography encryption homebrew security tap themis

Last synced: 26 Apr 2026

https://github.com/bethanyuo/crypto_hashes

Popular Cryptographic Algorithms using Crypto Libraries: Hashes

algorithms crypto-algorithms crypto-libraries cryptography hashing hashing-algorithm python

Last synced: 16 May 2026

https://github.com/ali2210/rsa

this is implementation of RSA cryptography in Java

cryptography rsa-cryptography

Last synced: 03 Apr 2025

https://github.com/pramsh/cipher

Cipher is a Node.js cryptographic library offering SHA-256 hashing, AES-256 encryption/decryption, JWT creation/validation, and RSA key pair generation.

cryptography digital-signature javascript jwt-auth jwt-token jwt-tokens nodejs rsa-key-pair rsa-signature sha256-crypt sha256-decryptor sha256-hash

Last synced: 16 May 2026

https://github.com/grakshith/shamir-secret-sharing

A basic implementation of Shamir Secret Sharing

cryptography interpolation secret-sharing shamir-secret-sharing

Last synced: 14 May 2026

https://github.com/tkhoa2711/wieners-attack-rsa

An implementation of Wiener's attack on RSA public key

cryptography java security

Last synced: 28 Jul 2025

https://github.com/dchest/mldsa-wasm

ML-DSA-65 postquantum signatures in WebAssembly

cryptography ml-dsa ml-dsa-65 postquantum signatures webcrypto

Last synced: 19 Sep 2025

https://github.com/m3ssap0/ctf-rsa-breaker

This is a Python 2.7 script that can be used to solve RSA challenges in CTFs.

cryptography ctf ctf-tools rsa

Last synced: 23 Jun 2025

https://github.com/ericlps/esteganografia-java

este projeto Ê uma aplicação em Java desenvolvida para realizar esteganografia digital em imagens no formato PNG, utilizando a tÊcnica LSB (Least Significant Bit - Bit Menos Significativo). Ele permite ocultar dados (arquivos ou pastas compactadas em ZIP) dentro de uma imagem e, posteriormente, extrair esses dados da imagem modificada

cibersecurity command-line-interface cryptography data-hiding esteganografia image-processing java lsb maven png steganography

Last synced: 28 Apr 2026

https://github.com/i5ar/eccrypt

Encrypt your file with ease.

cryptography

Last synced: 28 Jul 2025

https://github.com/pauluswi/alpine

Is a microservice which provides credential (pin) service. Credential are stored at hashed format with salt.

cryptography fintech go golang jwt microservice payment rest-api salt

Last synced: 19 Sep 2025

https://github.com/doedja/nexus-voting

A decentralized anonymous voting application built on Nexus using zero-knowledge proofs.

cryptography nexus

Last synced: 22 Jun 2025

https://github.com/russibc/caesar-cipher

A simple implementation of Caesar Cipher.

caesar cryptography practice python

Last synced: 17 Aug 2025

https://github.com/collapse-logic/collapse

Collapse System Logic — deterministic proof collapse (E→Z→1)

collapse compression cryptography csl determinism formal-methods lean4 logic proof proofs python

Last synced: 14 May 2026

https://github.com/botti01/cryptography

This Repository is based on the "Cryptography" course @polito, it provides a foundational introduction to cryptography, focusing on state-of-the-art cryptographic algorithms essential for computer system security.

c capture-the-flag cryptography openssl python

Last synced: 15 Jun 2026

https://github.com/grandroyl9902m/privatebin

A minimalist, open source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES.

crypto cryptography encrypted hacktoberfest one-time paste pastebin php security self-destroy self-hosted self-hosting

Last synced: 22 Jun 2025

https://github.com/charlieit/fernet-vault

A simple secrets manager using symmetric cryptography

cryptography fernet-encryption python3 secrets secrets-management vaults

Last synced: 22 Jun 2025

https://github.com/mdsn/cryptopals

The cryptopals crypto challenges

cryptography

Last synced: 22 Jun 2025

https://github.com/mjfreelancing/alloverit

A suite of libraries aimed at providing a simplified and consistent approach to cross-cutting and functional concerns.

appsync aspnet-core assertion binary-serialization cryptography dependency-injection entity-framework-core evaluator graphql json keyset-pagination logging mapping named-pipes reactive-ui serilog validation wpf

Last synced: 17 Aug 2025

https://github.com/sohamkayal4103/oblivious_data_structures

Implementation of Oblivious Data Structures in C++

cryptography oblivious oblivious-data-structure ods path-oram

Last synced: 22 Jun 2025

https://github.com/znx-x/hadron

This ongoing MVP for a distributed ledger system aims to solve issues that first and second-generation blockchains have not been able to overcome by implementing novel concepts in mining, smart contracts, and cryptography.

blockchain cryptography encryption network post-quantum smart-contracts web3

Last synced: 11 Jul 2025

https://github.com/cryptography-research-lab/go-cycle-string

循环字符串数据结构(CycleString)

cryptography data-structures utils-library

Last synced: 12 Jan 2026

https://github.com/mrd33t/sunburst-dga-cipher

A Python implementation of the SUNBURST DGA Cipher for encoding and decoding messages. This tool demonstrates substitution cipher techniques and secure coding practices.

cipher cryptography dga portfolio python security sunburst

Last synced: 26 Mar 2025

https://github.com/floodnut/hexa-encryption

256비트 대칭키 암호 알고리즘 Hexa-Encryption

cryptography

Last synced: 21 Jun 2025

https://github.com/arec1b0/nim-blockchain-node

A high-performance, scalable blockchain node implementation in Nim, designed with advanced cryptography, modular consensus (PoS/BFT), zero-knowledge proofs, and optimized P2P networking.

blockchain byzantine-fault-tolerance cryptography decentralization high-performance nim nim-lang nimble nimlang p2p

Last synced: 21 Jun 2025

https://github.com/levigo/url-crypto-kit

URL cryptography functionality to be used in conjunction with the Spring(tm) Framework

cryptography spring spring-security spring-web urls

Last synced: 01 Mar 2026

https://github.com/rishvant/cipher-safe-tests

Secure exam platform using encryption and Shamir’s Secret Sharing to ensure integrity and fairness.

cryptography exam-system mongodb nodejs reactjs redis shamir-secret-sharing tailwindcss

Last synced: 21 Jun 2025

https://github.com/yannvvv/tlsferret

TLSferret is a fast SSL/TLS scanner built in Rust, offering extensive protocol support and dual TLS engines for modern and legacy systems. It also includes STARTTLS support for multiple protocols, ensuring comprehensive security analysis. 🛠️🔒

certificate cipher cipher-suites command-line-tool cryptography post-quantum-cryptography rust starttls tls

Last synced: 21 Jun 2025

https://github.com/osamikoyo/facekid

simple crypto library for c

c crypto cryptography library

Last synced: 20 Jun 2025

https://github.com/kevindasilvas/kcrypt

Kcrypt or Krypt is an encrypting and decrypting lib created using javascript and node js

cryptography javascript node node-js nodejs

Last synced: 16 May 2026

https://github.com/c4mbr0nn3/hybrid-ecc-encryption

Proof-of-concept implementation of hybrid encryption using Elliptic Curve Cryptography (ECC) with multi-user data access control. Demonstrates ECDH key exchange, AES symmetric encryption, and secure Data Encryption Key (DEK) management for enterprise data protection scenarios.

aes cryptography csharp data-protection dotnet dotnet-core ecdh elliptic-curves encryption hybrid-encryption key-management multi-user-access pbkdf2 proof-of-concept security

Last synced: 17 May 2026

https://github.com/dangnh0611/cryptography1_coursera

Coursera: Cryptography I assigments

cryptography python

Last synced: 11 Jun 2026

https://github.com/0x4m4/bloodcodectf

Blood Code CTF challenge repository! This repository contains all the challenges and their source files from the Capture The Flag event codenamed "Blood Code," organized by 0x4m4. It includes challenges in cryptography, steganography, digital forensics, pwn, pyjail, reverse engineering, and web exploitation, designed for all skill levels.

0x4m4 bloodcode capture-the-flag cryptography ctf-challenges digital-forensics hackathon pwn pyjail reverse-engineering sir-syed-case-institute-of-technology sscaseit sscit steganography web-exploitation

Last synced: 19 Jun 2025

https://github.com/hypersign-protocol/snarkjs-bellman

A demo implementation of groth16 using SnarkJs for prover and bellman for verification

cryptography iden3 zeroknowledge zkp

Last synced: 23 May 2026

https://github.com/josecarlosnf/te-seginfo

Códigos da disciplina de Tópicos Especiais II - Segurança da Informação. ✨ Fundamentos de criptografia

cryptography python security

Last synced: 19 Jun 2025

https://github.com/eshan327/javachain

A blockchain developed in Java with relevant cryptographic and transactional functions.

blockchain cryptography java maven

Last synced: 16 May 2026

https://github.com/foncki/aes-visualization

An interactive Next.js 13 + TypeScript application that demonstrates AES-128 encryption step by step. Enter plaintext and a 128-bit key (or generate one randomly) to watch each round’s transformations—SubBytes, ShiftRows, MixColumns, and AddRoundKey—unfold in a 4×4 state matrix. Perfect for learning or teaching the internals of AES.

aes aes-encryption cryptography nextjs

Last synced: 29 Jul 2025

https://github.com/rodrigo-kelven/script_hashed

Projeto de criptografia de dados de forma irreversĂ­vel

criptography cryptography python3

Last synced: 07 May 2025

https://github.com/casz92/ntru_falcon

NIF C library for Elixir, implementing the post-quantum cryptography algorithm Falcon

cryptography elixir ntru post-quantum-cryptography

Last synced: 16 May 2026

https://github.com/oxarbitrage/salsa20

Attempt to formalize salsa20 in lean

cryptography lean mathlib salsa20

Last synced: 11 Jul 2025

https://github.com/oxarbitrage/hsalsa20

Haskell implementation of the Salsa20 Cipher

cryptography haskell salsa20 stream-cipher

Last synced: 11 Jul 2025

https://github.com/georgiifirsov/bcm-lib

Implementation of some block ciphers modes of operation. This library is written for my research about full disk encryption.

block-cipher-mode block-ciphers cryptography research symmetric-encryption thesis

Last synced: 12 Oct 2025

https://github.com/alen-gebles/crypto-radar

Crypto tracker with React JS and Gecko API + Tailwind

cryptocurrency cryptography css gecko html5 javascript project react tailwind

Last synced: 10 Apr 2026

https://github.com/vu3rdd/go-merkletree

a merkle tree implementation in Go with a fixed hashing scheme

cryptography go golang merkle-proof merkle-tree merkletree

Last synced: 25 May 2026

https://github.com/localnerve/hmac-symmetric

A library for symmetric encryption with hmac digests

bot-mitigation crypto cryptography encryption hmac nodejs symmetric-encryption

Last synced: 12 Apr 2025

https://github.com/ngvuthdanhh/certificate-blockchain-fundamentals-101blockchains

Notes, labs, research, extras, and certificate for the Blockchain Fundamentals program by 101 Blockchains. The project explores blockchain architecture, consensus mechanisms, cryptography, smart contracts, and applications in Web3 security.

101blockchains blockchain cryptography cybersecurity distributed-systems githublearning smart-contracts web3

Last synced: 25 Jan 2026

https://github.com/ngvuthdanhh/certificate-cryptography-leeds-clickstart-futurelearn

Learning notes, labs, cheatsheets, and certificate for An Introduction to Cryptography by University of Leeds & Click Start on FutureLearn. Covers symmetric/asymmetric encryption, hashing, signatures, and cryptographic protocols.

aes cryptography decryption encryption futurelearn githublearning rsa security university-of-leeds

Last synced: 25 Jan 2026

https://github.com/ngvuthdanhh/certificate-information-security-openlearn

Comprehensive learning repository for the OpenLearn Information Security program, featuring detailed notes, hands-on labs, demos, guides, cheatsheets, case studies, and a certificate of completion. Focuses on network, system, application, and cloud security, covering both attack techniques and defense strategies.

access-control application-security cloud-security cryptography githublearning information-security monitoring system-security

Last synced: 25 Jan 2026

https://github.com/touhidurrr/randomcryp

A cryptographically secure, feature rich, zero dependency, lightweight and browser friendly random number generator library.

browser bun cross-platform crypto cryptography deno friendly generator javascript lightweight nodejs number open-source package random typescript web web-crypto zero-dependency

Last synced: 12 Apr 2025

https://github.com/jhmmax/hashgen

hashgen - the blazingly fast hash generator argon, base58, base64, bcrypt, cyclone, generator, hash, hashcat, hashgen, md5, mdxfind, mosecode, multithreaded, ntlm, sha, sha1, sha256, sha3, threaded, yescrypt

aes alireza argon base64 bcrypt cryptography cryptojs cyclone hash hashgen java javascript md5 mdxfind

Last synced: 07 May 2025

https://github.com/ermingbear/electron-executor-ea

Roblox 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.

cryptography cybersecurity electron electron-app encryption gpg gpt java llm mobile nodejs offline pgp privacy

Last synced: 07 May 2025

https://github.com/cjpatton/aez

AEZ v3, Robust authenticated encryption.

cryptography

Last synced: 21 Sep 2025

https://github.com/ratware-official/ratsign

Signs files with an encrypted private key and password, and verifies them using their signature file and a trusted public key or key ID.

cli cryptography csharp dotnet signing

Last synced: 16 May 2026

https://github.com/andronovo-bit/generateuniquecode

GenerateCampaignCode is a .NET 8.0 project designed to securely generate and validate campaign codes using SHA1 and HMACSHA256 hashing algorithms. The project provides RESTful API endpoints for generating and validating codes, with extensive unit tests to ensure reliability and performance. Built with clean architecture principles.

ci-cd clean-architecture cryptography dotnet dotnet-core generate-code webapi

Last synced: 03 Jan 2026