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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/dinochiesa/apigee-custompolicy-rsacrypto

This is a custom Apigee policy, implemented in Java, that performs RSA Encryption and Decryption of data or message payloads, or RSA signing of data or message payloads, or verification of such signatures.

apigee cryptography rsa

Last synced: 10 Jun 2025

https://github.com/gerhalt/cryptopals

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

aes-encryption cbc-mode challenges crypto cryptography diffie-hellman dsa dsa-algorithm ecb-mode puzzles python python3 rsa rsa-algorithm solutions

Last synced: 13 May 2026

https://github.com/defucc/hashkeys

Reactive Noble cryptography for p2p identity

composable cryptography encryption js noble-curves signing vue

Last synced: 20 Jan 2026

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.

c cryptography emscripten nextjs react rsa rsa-cryptography tailwindcss wasm webassembly

Last synced: 12 Apr 2026

https://github.com/hayr-hotoca/react-native-chacha20-poly1305

ChaCha20-Poly1305 encryption/decryption for React Native. Native implementations make sure it has the fastest performance.

256-bit aes android chacha20 chacha20-poly1305 chacha20poly1305 cipher cipher-algorithms cross-platform cryptography encryption encryption-algorithms ios javascript react react-native reactjs typescript

Last synced: 07 Oct 2025

https://github.com/cizr/hill-adn-cryptography-bridging-classical-ciphers-with-dna-based-encryption

The Hill-ADN Cryptography project combines Hill cipher methods with DNA encryption, offering a novel approach for improved data security. It includes binary to DNA conversion, amino acid translation, and Hill cipher encryption, with the decryption process addressing genetic code ambiguity challenges.

bioinformatics cryptography data-security dna encryption-decryption genetic-algorithms genetic-code hill-cipher

Last synced: 07 Oct 2025

https://github.com/idriz4work/htb

Hack The Box (HTB) is an online platform for practicing ethical hacking and cybersecurity skills through real-world challenges and virtual labs.

active-directory cryptography enumeration exploitation forensics network-security privilege-escalation reverse-engineering steganography web-security

Last synced: 18 Feb 2026

https://github.com/jean0t/passmanager

Incredible password manager made in python

cryptography password-manager python3 sqlcipher3 sqlite3

Last synced: 10 Apr 2026

https://github.com/tommasoazz/cryptography-notes

Notes for studying, preparing homeworks and exams of the course "Cryptography" of University of Bologna, Master Degree in Computer Science (LM Informatica), A.Y. 2021/2022.

computer-science cryptography notes

Last synced: 11 Feb 2026

https://github.com/erhant/polenta

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

cryptography lambdaworks pest polynomials repl rust

Last synced: 06 Feb 2026

https://github.com/jhnwnstd/suxotin

Python script that distinguishes vowels from consonants using Suxotin's algorithm.

cryptography decipherment suxotin

Last synced: 31 May 2026

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

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

canonicalization cryptography json python serialization

Last synced: 15 Apr 2025

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

Cryptocurrency and Cryptographic blockchain Verifiadle Delay Functions project

cli cryptocurrency cryptography pietrzark-vdf python verifiable-delay-functions wesolowski-vdf

Last synced: 27 Dec 2025

https://github.com/chinnanj666/message-encryption-decryption

This Python-based application provides a graphical user interface (GUI) for encrypting and decrypting messages using AES encryption.

aes algotithms cryptography python thinker

Last synced: 17 Jun 2025

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.

algorithm cryptography java julius-caesar-cryptography

Last synced: 09 Jun 2026

https://github.com/h-alice/python-ecc-keyexchange

A simple PoC for ECC key exchange in Python.

cryptography elliptic-curve-cryptography python security

Last synced: 12 Oct 2025

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/abdellatif-temsamani/cryptjs

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

crypt-lib cryptography hash javascript password-hashing security sha-256 sha-512 sha512 typescript

Last synced: 22 Jan 2026

https://github.com/tangle-network/anonima

A threshold signature oracle node.

cryptography

Last synced: 14 Sep 2025

https://github.com/mohammedmehdio/caesarjaw-py

CaesarJaw provides encryption and decryption functionalities using a simple shift cipher (Caesar cipher). It allows users to: ✅ Encrypt text 📝 ✅ Decrypt text 🔑 ✅ Determine the shift key 🔎 ✅ Attempt decryption without a known key 💡

caesar caesar-cipher caesar-cipher-algorithm caesar-shift communication crypto cryptography cybersecurity hacking-tool hacking-tools key keys python python3 security tool tools

Last synced: 13 Feb 2026

https://github.com/venkat-kolasani/knight-s-tour-based-cryptographic-key-generation

The Knight's Tour Encryption System is a cryptographic application that leverages the Knight's Tour problem on a chessboard to generate a unique encryption key. This key is then used for XOR-based encryption and decryption of messages.

cpp17 cryptography design-and-analysisof-algorithm dsa-algorithm knights-tour

Last synced: 15 Feb 2026

https://github.com/antosser/base94-rs

Base94 Encoding Library: Convert binary data to a compact text-based format using Base94 encoding. Effortlessly encode and decode data for a wide range of use cases. 🔐🔍

algorithm base94 binary-to-text cryptography development encoding rust rust-library security text-format utility

Last synced: 24 Oct 2025

https://github.com/cosmian/cloudproof_flutter

The Flutter API library to Cosmian Cloudproof Encryption

android cloud cloudproof cryptography dart flutter ios

Last synced: 01 Mar 2026

https://github.com/pluto/.github

The Pluto Organization

cryptography webproofs

Last synced: 23 Jan 2026

https://github.com/protdos/zyphor

Zyphor: A quantum-safe, fully anonymous chat protocol ensuring complete security and metadata protection.

anonymity chat cryptography e2ee encryption messaging metadata perfect-forward-secrecy post-quantum-cryptography privacy protocol security zero-knowledge zero-trust

Last synced: 02 Mar 2026

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

🔐 This is a cryptography project testing, using RSA criptography

cryptography css html html-css-javascript html5-css3 javascript multer nodejs rsa rsa-cryptography

Last synced: 11 Apr 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/scar26/votesec.io

An automated voting platform based on Azure Blockchain that offers complete anonymity, instantaneous results and a plethora of other features

blockchain cosmosdb cryptography iot node-chakra solidity truffle

Last synced: 03 Mar 2026

https://github.com/cupcakearmy/occulto

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

aes crypto crypto-library cryptography easy-to-use hash high-level node node-crypto typescript

Last synced: 15 Apr 2025

https://github.com/filiprokita/bcrack

BCrack is a basic tool designed to crack Bcrypt hashed passwords using brute-force methods. Written in C, it highlights the importance of strong passwords and the effectiveness of Bcrypt for password hashing. Ideal for educational purposes and ethical security testing with permission.

bcrypt bruteforce c cli command-line crypt cryptography cybersecurity decryption encryption file-handling hacking hash-comparison hash-cracking password-cracking security wordlist

Last synced: 11 Feb 2026

https://github.com/xornet-sl/gosss

Shamir split/combine files/strings. Tool and library

cryptography go shamir

Last synced: 23 Jan 2026

https://github.com/zig-utils/zig-tls

Pure Zig TLS 1.3 implementation for SMTP and other protocols.

cryptography rsa tls zig

Last synced: 01 Apr 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.

cryptography css3 html5 network-security rsa

Last synced: 07 May 2026

https://github.com/kuzma02/secured-file-share

Secure File Sharing App is a comprehensive solution for secure file exchange, developed using the MERN (MongoDB, Express.js, React, Node.js) stack. This application enables users to share files with end-users with a high level of privacy and security.

cryptography encrypted-data encryption end-to-end-encryption file-sharing file-transfer mern mern-stack mern-stack-development secure-file-exchange secure-file-sharing secure-file-upload secure-web-apps transfer-data transfer-files

Last synced: 26 Oct 2025

https://github.com/proafxin/lattices

This is the lecture series on Lattices given by Oded Regev.

cryptography lattice mathematics

Last synced: 06 Mar 2026

https://github.com/5n00py/soft-aes

Software implementation of the AES cipher with related modes of operations

aes aes-128 aes-192 aes-256 aes-cbc aes-cmac aes-ecb cryptography cryptography-library cybersecurity pkcs7 rust-crypto rust-cryptography-library

Last synced: 02 Apr 2026

https://github.com/jcbritobr/libnacl

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

api cryptography nacl wrapper-api

Last synced: 14 Oct 2025

https://github.com/harryr/stegive

Steganographic encrypted archive

archive cryptography encryption steganography

Last synced: 27 Oct 2025

https://github.com/shaharashe/cryptography_modules

This repository features Python implementations of various cryptographic algorithms, including RSA, ElGamal, and Vigenère cipher. It serves as a resource for learning and experimenting with cryptographic techniques. Contributions are welcome!

algorithm algorithms cryptography decryption encryption module modules python python3 security-tools

Last synced: 02 Mar 2026

https://github.com/egorkhaklin/glass

A pure functional language whose compiler is written in Glass and self-compiles to byte-identical C, carrying a from-scratch zero-knowledge STARK prover: write a function, get a proof of its result. Hindley-Milner types, effects, exhaustive matching.

algebraic-data-types compiler cryptography effect-system fri functional-programming hindley-milner interpreter pattern-matching programming-language programming-language-design refinement-types self-hosting stark type-inference type-system zero-knowledge zero-knowledge-proofs zk zk-stark

Last synced: 10 Jun 2026

https://github.com/satyakwok/sentrix

Fast, deterministic Layer-1 blockchain for payments, tokens, and decentralized apps.

bitcoin blockchain cryptocurrency cryptography dpos-bft ethereum evm rust

Last synced: 18 Apr 2026

https://github.com/egorkhaklin/polaris-id

National identity-token reference implementation. Post-quantum signing, zero-knowledge defaults, compulsion-resistant by construction.

anti-coercion audit-log cryptography flask identity identity-management merkle-tree mfa plonky2 post-quantum-cryptography postgresql rust snark swarm-intelligence webauthn zero-knowledge-proofs

Last synced: 10 Jun 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 🎓

binary-exploitation capture-the-flag cryptography ctf ctf-challenges ctf-tools digital-forensics web-exploitation website

Last synced: 01 Mar 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/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/pmuens/time-lock-puzzle

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

cryptography encryption homomorphic-encryption homomorphic-time-lock-puzzle time-lock time-lock-puzzle

Last synced: 15 May 2025

https://github.com/ntdls/talkster

Secure chat instant messaging server and client, offering multi-layered peer-to-peer encryption.

communication cryptography privacy security

Last synced: 21 Apr 2026

https://github.com/danieltoader/php-crypttor

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

crypt cryptography decrypt encrypt mcrypt openssl php-crypt php-library

Last synced: 01 Sep 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.

crypto cryptography csharp csharp-library dotnet dotnet-core dotnet-standard dotnetcore encryption security

Last synced: 14 May 2026

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/b0oml/monoalphabetic-solver

Web interface for performing monoalphabetic substitution

cryptography substitution-cipher webapp

Last synced: 10 Feb 2026

https://github.com/mrcarb0n/zipsignerust

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

android apk cryptography jar rust signing tool verification zip

Last synced: 24 May 2026

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/myusuf3/siapaperwallet

Create Sia Paper Wallets

cryptography paperwallet sia siacoin

Last synced: 05 Jan 2026

https://github.com/robb-fr/cryptography-diffie-beepboop

2021 COM-401 course's at EPFL, coding homeworks. Sage kernel for Jupyter Notebook. Cryptography and Security.

capture-the-flag cryptography sagemath

Last synced: 06 Jun 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/allouis/lamport-ots

🔏 Lamport One-Time Signatures in JavaScript 🔏

cryptography lamport ots signature

Last synced: 05 Apr 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/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/blackm0re/pyotp2289

A pure Python implementation of "A One-Time Password System" - RFC-2289

2289 cryptography freebsd otp password python security unix

Last synced: 21 Aug 2025

https://github.com/gunh0/merkle-tree

🌲 Merkle Tree in Go

cryptography golang hash

Last synced: 07 Jul 2025

https://github.com/hpgrahsl/rhd-csflc-kafka-connect-demos

Demo Scenarios discussed in my Red Hat Developers article series

apachekafka cryptography encryption-decryption kafka kafka-connect security

Last synced: 18 Feb 2026

https://github.com/stackoverflowexcept1on/roast

Rust implementation of ROAST (Robust Asynchronous Schnorr Threshold Signatures) with cryptography by Zcash Foundation

cryptography elliptic-curves schnorr schnorr-signatures threshold-cryptography threshold-signature

Last synced: 18 Sep 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/swift-libp2p/swift-libp2p-crypto

Core LibP2P cryptography API for commonly used Keys, Hashes and Ciphers

cryptography libp2p multiformats

Last synced: 22 Jul 2025

https://github.com/cmason3/vaulty.rs

Vaulty in Rust - Encrypt/Decrypt with ChaCha20-Poly1305

chacha20-poly1305 cryptography rust-lang scrypt sha256

Last synced: 26 Jul 2025

https://github.com/mlh-fellowship/chamberofsecrets-backend

Sprint 2 Project for MLH Fellowship made by Aman Sharma, Suhani Chawla, Saumya Gandhi.

cryptography data-security digi-locker django-rest-framework docusaurus2 ethical-data harry-potter

Last synced: 01 Aug 2025

https://github.com/vsrc/playground

My personal sandboxed experimenting lab

bitcoin cryptocurrency cryptography golang

Last synced: 16 May 2026

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/cmason3/vaulty.go

Vaulty in Go - Encrypt/Decrypt with ChaCha20-Poly1305

chacha20-poly1305 cryptography ecdh golang scrypt sha256 x25519

Last synced: 26 Jul 2025

https://github.com/jalaj711/go-des

GoLang implementation of DES, 3DES (128-bit key) and 3DES (192-bit key) with support for ECB, CBC, CFB and OFB modes.

3des cryptography des golang symmetric-cryptography

Last synced: 29 Jul 2025

https://github.com/xtrendence/native-encryption

My first mobile app developed using React Native. A simple app that allows the user to use AES-256 to encrypt/decrypt data.

aes-encryption android cross-platform cryptography encryption ios mobile-app react react-native reactjs

Last synced: 08 Apr 2026

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/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/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/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/jadnohra/zig-crypto-bench

Crypto benchmarks: Zig vs Rust performance comparison.

benchmark cryptography perfromance rust zig

Last synced: 18 May 2026

https://github.com/cizr/digital-steganography-images

A Python-based tool for concealing confidential information within images.embed and extract data seamlessly, adding an extra layer of privacy to your images.

algorithms cryptography digitalforensics python steganography

Last synced: 22 Mar 2025

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/functionally/crypto-lean4

Implementation of various cryptographic functions in Lean4

cryptography elliptic-curves lean4

Last synced: 03 Feb 2026

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/dyslex7c/zk-election

Cryptography-driven and privacy-preserving election framework with zk-SNARKs

circom cryptography election voting voting-application zero-knowledge zkp zksnarks

Last synced: 03 Feb 2026

Cryptography Awesome Lists
awesome-cryptography 272 awesome-blockchain-rust 108 Computer-Science-Resources 51 awesome-crypto-papers 102 awesome-he 90 awesome-substrate 165 awesome-ctf-resources 248 awesome-cryptography-rust 80 awesome-post-quantum 161 awesome-zama 344 Library-of-Ethereum 138 awesome-algorand 220 foundational-knowledge-for-programmers 53 awesome-ethereum-finance 93 awesome-infosec 83 awesome-risc0 46 Blockchain-Guide 538 tryhackme-awesome 1,057 bitcoin-history 137 awesome-position-based-quantum-cryptography 68 awesome-client-side-gpu 31 awesome-anonymity-papers 118 fucking-awesome-cryptography 195 free-cryptography-resources 73 awesome-julia-security 129 awesome-blockchain 30 awesome-bitcoin-internals 45
Cryptography Categories
Rooms 1,046 Frameworks and Libs 343 Contributed talks, posters and presentations 295 The list 248 Talks, posters, and presentations 243 Papers 173 Cryptography 161 Tutorials 158 Resources 154 Research papers and publications 141 Uncategorized 128 2018 101 Tools 101 MEV 89 Blockchain Explorers 89 Blockchain Playgrounds 81 Learning Resources 78 Blockchains 72 Research Groups 72 Misc 67