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/sfuhrm/saphir-hash

Cryptographic message digest algorithms as a Java library with standard JCA adapters

crypto crypto-library cryptography cryptography-library cryptohash digest hash hashing hashing-algorithms java library md5 messagedigest ripemd160 sha1 sha2 sha256 tiger

Last synced: 05 Oct 2025

https://github.com/hegdepavankumar/cipher-encryption-decryption

Cipher Encryption/Decryption This project is a simple implementation of the cipher encryption and decryption algorithm using JavaScript, HTML, and CSS. The cipher is a substitution cipher that replaces each letter in the plaintext with a letter a certain number of positions down the alphabet.

cipher cipher-algorithms cryptography encryption-algorithms encryption-decryption hashing-algorithm networking-concepts password security

Last synced: 03 Aug 2025

https://github.com/phayes/fdh-rs

Full Domain Hash library for rust

blind-signatures cryptography full-domain-hash hash

Last synced: 17 Mar 2026

https://github.com/kosasih/quantum-mesh

A cutting-edge Git repository for developing advanced cryptographic protocols and blockchain integration for Pi Network, leveraging quantum computing principles for unparalleled security and efficiency.

cryptography protocol protocol-oriented-programming

Last synced: 08 Mar 2026

https://github.com/ocdbytes/keylogger-python

Keylogger made with python including mailing and encryption services to get the user info and keylogs in a formated way.

cryptography encryption executable keylogger python3

Last synced: 19 Mar 2025

https://github.com/slowli/secret-tree

Hierarchical secret derivation with Blake2b and RNGs

cryptography key-derivation

Last synced: 22 Mar 2025

https://github.com/tynes/nameswaps

Decentralized Exchange Infrastructure for Handshake Names

bitcoin blockchain cryptocurrency cryptography handshake peer-to-peer

Last synced: 29 Apr 2026

https://github.com/sc0vu/js-keccak-tiny

Keccak tiny emscripten binding in javascript, including SHA-3/Keccak/Shake hash function.

cryptography hash keccak keccak-tiny sha3 shake wasm webassembly

Last synced: 13 Apr 2025

https://github.com/dstein64/lc4

An implementation of ElsieFour (Alan Kaminsky 2017).

cryptography elsie-four lc4

Last synced: 20 Mar 2025

https://github.com/datumbox/vernamveil

VernamVeil: A Function-Based Stream Cypher

blake3 cryptography python

Last synced: 25 Jun 2025

https://github.com/cedws/ki-keyring

Utility for ejecting/injecting sets of obfuscated public keys from/into WizardGraphicalClient binaries

cryptography go reverse-engineering

Last synced: 05 May 2025

https://github.com/juliacrypto/krypto.jl

A futuristic crypto library. In Julia. [OLD]

cryptography decryption deprecated-repo ecc encryption julia pqc rlwe rsa

Last synced: 13 May 2025

https://github.com/anmol-singh-jaggi/sha2_512

:lock_with_ink_pen: An implementation of SHA-2 hash function with a digest size of 512 bits

c-plus-plus cryptography digest hash

Last synced: 26 Mar 2025

https://github.com/sug0/git-signify

Harness the power of signify(1) to sign arbitrary git objects

cryptography git openbsd rust security signature signify

Last synced: 07 May 2025

https://github.com/codiepp/elykseer-base

cryptographic data archive; written in F#; envisaged to stay another 10 years

archive cli cryptography data distributed-storage dotnet fsharp longterm-storage

Last synced: 19 May 2026

https://github.com/viniciusfinger/python-blockchain

Exploring the foundational concepts of blockchain with this simple Python implementation. This project demonstrates the core principles of blockchain, including mining, nonce, SHA-256 hashing, and proof of work. 🧱⛓️

blockchain blockchain-technology cryptocurrency cryptography proof-of-work python

Last synced: 12 Apr 2025

https://github.com/shagege/blackbox

Surveillance tool using a permissionless blockchain

blockchain cryptography distributed-ledger p2p proof-of-work python

Last synced: 18 Aug 2025

https://github.com/malisha4065/basic-cryptography

Basic Cryptography Concepts

cryptography hashing javascript nodejs

Last synced: 02 May 2026

https://github.com/jsign/kzg-ceremony-test-vectors

Ethereum KZG ceremony test vectors using the reference implementation

cryptography ethereum kzg powers-of-tau

Last synced: 04 Apr 2025

https://github.com/corvuscodex/multithread-polkadot-brute-force

Nodejs script that generates random private keys for the Polkadot blockchain and checks if the corresponding public address is in a list of addresses stored in a file named ‘data.txt’. If a match is found, the script logs the public address and saves the wallet and its private key (seed) to a file named ‘match.txt’.

bruteforce crack crypto cryptocurrency cryptography javascript nodejs polkadot polkadot-bruteforce polkadot-wallet seed seed-cracking wallet-bruteforce

Last synced: 13 Apr 2025

https://github.com/quyxishi/ethanium

XChaChaPoly1305-Argon2id cli, built on cryptopp & libsodium

argon2id cli cryptography windows xchacha20-poly1305

Last synced: 15 May 2026

https://github.com/cyrildever/feistel-py

Feistel cipher implementation in Python for format-preserving encryption

algorithm cryptography encryption feistel-cipher format-preserving-encryption fpe xor-operation

Last synced: 09 Oct 2025

https://github.com/sdrapkin/securitydriven.winter

Cloud-Scale Cryptography.

aead aes-gcm cryptography gcm streaming

Last synced: 13 Apr 2025

https://github.com/battleoverflow/encrypt-it

🔐 Simple password generator offering various encryption methods.

cryptography encoding encryption python

Last synced: 15 Jun 2025

https://github.com/cuhsat/spritz.c

Spritz cipher implementation in ANSI C.

algorithm ansi-c c cryptography spritz

Last synced: 12 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/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/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/demindiro/nora_ssh

Pure Rust async library for SSH servers and clients

async async-rust cryptography encryption rust ssh ssh-client ssh-server

Last synced: 01 Apr 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/gunh0/merkle-tree

🌲 Merkle Tree in Go

cryptography golang hash

Last synced: 07 Jul 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.

cryptography cybersecurity electron electron-app encryption gpg gpt javascript llm mobile nodejs offline pgp privacy pwa python react security standalone tor

Last synced: 05 Jan 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/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/aman-17/rabin-cryptosystem

Implementation of Rabin PKC in python

cryptography encryption python rabin-cryptosystem

Last synced: 20 Mar 2025

https://github.com/karthickajan/cipherkit

77 free browser-based developer tools — AES, SHA, JWT, Base64, JSON, Regex, Diff, QR and more. 100% client-side. No login. No tracking.

aes base64 client-side cryptography developer-tools diff-checker hashing javascript json-formatter jwt-decoder no-tracking offline open-source privacy regex rsa utilities web-tools

Last synced: 30 Apr 2026

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

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

client-side cryptography hashfunctions passwordanalyzer reactjs security security-tools tailwindcss zxcvbn

Last synced: 28 Oct 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/belajarqywok/wintrapd

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

cmake cryptography llvm-clang malware metasploit-framework win32api

Last synced: 11 Jan 2026

https://github.com/axman6/curve25519

A Pure Haskell implementation of Curve25519

cryptography curve25519 haskell

Last synced: 28 Oct 2025

https://github.com/b1f6c1c4/naive-garble

Naïve implementation of garbled circuits.

cryptography garbled-circuits oblivious-transfer secure-computation sfe

Last synced: 03 Apr 2025

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

A simple generator of reversible bytes lists or arrays in different programming languages for swapping from a byte value to an other.

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

Last synced: 20 Jan 2026

https://github.com/reznik99/go-hsm-doc

A simple CLI Tool to view, inspect and debug PKCS11 compliant Hardware and Software HSMs.

cryptography encryption-decryption golang hardware-security-module hsm pkcs11 pkcs11-tool signing-keys

Last synced: 20 Jan 2026

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.

asymmetric-cryptography bcrypt cryptography cryptography-algorithms cryptography-library cryptosystems gmp gmplib hashing-algorithm key-exchange-protocol mathematical-functions mathematical-utilities python-package python3 signature-verification symmetric-key-cryptography

Last synced: 09 Jul 2025

https://github.com/encryptex/chainex

A tool to create temporary encrypted messages

base64 cryptography datetime expiration python

Last synced: 02 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/priyanshujain/crypto

A simplified crypto module using go crypto library

aes cryptography hmac rsa sha

Last synced: 16 Jun 2025

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/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: 28 Jun 2026

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/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/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/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/jiahaoxiang2000/milp

learn the Mixed-Integer Linear Programming (MILP) and its application in the optimization of the modeling systemic cipher.

cryptanalysis cryptography milp

Last synced: 17 Sep 2025

https://github.com/mewmix/erc5564py

A python implementation of ERC5564 for Stealth Addresses on Ethereuem as described https://eips.ethereum.org/EIPS/eip-5564

cryptocurrency cryptography ecdsa-cryptography erc5564 ethereum python stealth-addresses

Last synced: 16 May 2026

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/gusandrioli/small-aes

Simple text and PDF encrypter/hasher CLI application.

aes cryptography golang

Last synced: 15 Jan 2026

https://github.com/alokmenghrajani/five_thousand_needles

Five thousand randomly placed needles

art cryptography hardware-security-module

Last synced: 20 Mar 2025

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

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

assembly-x86 bmp-image cryptography steganography system-call

Last synced: 16 May 2026

https://github.com/eliainnocenti/cryptography-exercises

Exercises for Cryptography Exam @ Polito - Cryptographic primitives in C with OpenSSL and prototype attacks in Python.

asymmetric-cryptography c cryptography ctf digest encryption-decryption offensive-security openssl python rand random-number-generators random-numbers symmetric-cryptography

Last synced: 05 May 2026

https://github.com/vsrc/playground

My personal sandboxed experimenting lab

bitcoin cryptocurrency cryptography golang

Last synced: 16 May 2026

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/volkanbicer/theblockchain

Blockchain application created with nodejs

blockchain cryptocurrency cryptography nodejs

Last synced: 16 May 2026

https://github.com/elliotwutingfeng/steam_totp

A Dart library for generating 5-character alphanumeric Steam TOTP codes.

crypto cryptography mfa otp security

Last synced: 10 Jul 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/georgiifirsov/bc-lib

Tiny library with block ciphers implementation for my cryptography research

block-cipher cryptography secret-key-encryption symmetric-cryptography symmetric-key-cryptography

Last synced: 12 Apr 2025

https://github.com/theboringhumane/xyphos

🔐 Xyphos : Open Source Key Management System (KMS): A secure, multi-tenant key management system built in Go. An open-source alternative to Google Cloud KMS with enhanced features.

cloudkms cryptography encryption encryption-decryption kms mathematics

Last synced: 17 Feb 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/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

cryptography dna dna-sequencing information informationsecurity lsb lsb-steganography manipal-institute-of-technology matplotlib pandas pillow security socket-io steganography streamlit websocket

Last synced: 21 Jun 2025

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

Example of verifying a license key's authenticity using RSA-SHA256 with PKCS1 PSS padding with Bash.

bash-script cryptography keygen license-keys openssl-rsa software-licensing

Last synced: 17 May 2026

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/jimmygizmo/zerotools

Applications, tools and modules written in best-practice Python, Java, Javascript, C and Perl for personal projects, enterprise projects or education.

asyncio autobahn bookmark cryptography encryption ios java perl pexpect python recursive ruby swift tcl tk wamp

Last synced: 11 Apr 2026

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.

bca-project bca-projects blockchain btech-projects computer-science-projects computerscienceprojects cryptography final-year-projects finalyearprojects machine-learning machinelearning malware-projects mca-projects mtech-projects research-paper-project web-develpment

Last synced: 11 Sep 2025

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/descent098/diffie-hellman

A very simple implementation and explanation of the Diffe-Helmen Key Exchange

cryptography diffie-hellman diffie-hellman-exchange education learning

Last synced: 05 Apr 2025

https://github.com/samuel-lucas6/rocca-s.net

A .NET implementation of Rocca-S.

aead crypto cryptography rocca rocca-s

Last synced: 27 Mar 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.

autoclicker bitcoin crypto-bot cryptocurrency cryptography hamster mini-app mini-apps notcoin tapswap telegram telegram-click-bot telegram-mini-app telegram-mini-apps

Last synced: 02 Feb 2026

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

Simple, strong cryptography for beginners, in Python.

cryptography education python3

Last synced: 15 Jan 2026

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/sap-samples/s4hana-crypto-assets-subledger

SAP S/4HANA add-on sample as a subledger for crypto assets accounting.

add-on assets crypto cryptography sample sap-s4hana

Last synced: 13 Apr 2025

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

Crypto benchmarks: Zig vs Rust performance comparison.

benchmark cryptography perfromance rust zig

Last synced: 18 May 2026

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

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

cryptography embedded p256 rust

Last synced: 23 Dec 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/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