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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/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/erhant/cryptopals-go

Cryptopals cryptography challenges in Go.

cryptography cryptopals ctf go

Last synced: 07 Jun 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/pauldreik/lemac

C++ implementation of the lemac hash by Augustin Bariant

cryptography hashing

Last synced: 21 Jun 2026

https://github.com/saeed0x1/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: 04 Mar 2026

https://github.com/rafa-kozand/random_encryption

Code that generates every time you initialize a random key that will be used to encrypt and decrypt a string. Work related to the discipline of 'Cryptography and Security of Computer Systems'.

cryptography python

Last synced: 27 Feb 2025

https://github.com/luffy0xcyber/cryptographie_classique

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

cesar-cipher cesar-cypher ciphers cryptography cybersecurity education encryption hill-cipher learning-project mathematics python security vigenere-cipher

Last synced: 13 Jun 2025

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.

bash bash-script caesar caesar-cipher caesar-cipher-algorithm communication cryptography cyber-security cybersecurity hacking hacking-tool key security tool tools

Last synced: 29 Apr 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/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/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/smaranjitghose/pyconfidentiality

Adding secrecy to your emails with RSA

cryptography email-sender python rsa smtp

Last synced: 03 Sep 2025

https://github.com/messagemedia/webhooks-demo

Set of scripts to demonstrate the use of MessageMedia's webhooks

cryptography messaging sms webhooks

Last synced: 02 Apr 2025

https://github.com/haskell-cryptography/cryptography-blake3

A wrapper around cryptography-blake3-bindings which is more Haskell-friendly

blake3 cryptography haskell

Last synced: 13 May 2026

https://github.com/pavelkryukov/putty-ci

PuTTY with continuous integration

cryptography putty puttygen ssh ssh-client

Last synced: 14 May 2026

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

The Cryptopals (formerly Matasano) crypto challenges

clojure crypto-challenges cryptography cryptopals

Last synced: 27 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/crocs-muni/eacirc-utils

Utils for experiment creation and result postprocessing

automation cryptography randomness research-tool

Last synced: 31 Jan 2026

https://github.com/tankerhq/sdk-ruby

Tanker client-side encryption SDK for Ruby

cryptography encryption end-to-end privacy ruby sdk security tanker

Last synced: 09 Apr 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/skyf0l/discrete-logarithm

Fast discrete logarithm solver in Rust

cryptography discrete-logarithm number-theory

Last synced: 11 Oct 2025

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

bitcoin bitcoin-wallet crypto cryptocurrency cryptography ecc elliptic-curve-cryptography privatekey secp256k1 vulnerability

Last synced: 01 May 2026

https://github.com/tankerhq/sdk-rust

Tanker client-side encryption SDK for Rust

cryptography encryption end-to-end privacy rust sdk security tanker

Last synced: 09 Apr 2025

https://github.com/belajarqywok/strmc

Credentials Management Tool Using Stream Cipher Algorithm.

clang cryptography cybersecurity llvm rc4-algorithm stream-cipher

Last synced: 07 Feb 2026

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/gusandrioli/small-aes

Simple text and PDF encrypter/hasher CLI application.

aes cryptography golang

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/jadnohra/zig-crypto-bench

Crypto benchmarks: Zig vs Rust performance comparison.

benchmark cryptography perfromance rust zig

Last synced: 18 May 2026

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/zgsolucoes/zg-data-guard

ZG Data Guard is a centralized tool designed to streamline and secure the management of multiple databases across various environments. It simplifies administration by providing a unified platform to handle database ecosystems, technologies, instances, predefined roles, databases, users, and access control. All secured through JWT-protected API.

access-management clusters-management cryptography database-management docker go go-chi godotenv golang golang-migrate jwt-auth keycloak postgresql rest-api swagger2 swaggo testify users-management

Last synced: 28 Jan 2026

https://github.com/nsk89/netcrypt

simplifying socket data stream cryptography using RSA public keys and AES data encryption, using PyCryptodome cryptographic primitives

aes-encryption cryptography network-secuirty pycryptodome python python3 rsa-encryption socket-communication

Last synced: 25 Aug 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/spyder01/charlotte

Folder encryption and decryption tool built with Scala

cli cryptography encryption fileencryption scala software-engineering

Last synced: 10 Aug 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/alaouimehdi1995/encryption-decryption-algorithm

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

crypt cryptography decoder decoding decrypt decrypt-data decryption encoding encrypted encrypted-data encryption

Last synced: 06 Mar 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/azmisahin/azmisahin-software-cryptography-steganography-net

Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.

audio bit byte char color cryptography cs decoder decoding encoder encryption int picture pixel steganography string studio text video visual

Last synced: 29 Mar 2025

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/ryarazi/cryptohacksolutions

This repository contains my solutions to various challenges from cryptohack, a platform dedicated to learning modern cryptography through solving challenges.

cryptography cryptohack cryptohack-solutions diffie-hellman elliptic-curves hash rsa solutions symmetric-ciphers

Last synced: 29 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/alxiong/ark-srs

Use Common/Structured Reference String (CRS/SRS) from existing ceremonies with ease

cryptography trusted-setup zksnark

Last synced: 26 Jul 2025

https://github.com/werrett/cryptopals

Solutions to the Matasano Cryptopals challenges

cryptography ctf golang

Last synced: 19 May 2026

https://github.com/trainingbypackt/advanced-blockchain-development

Build highly secure, decentralized applications and conduct secure transactions

bitcoin blockchain cryptocurrencies cryptography ethereum smart-contracts

Last synced: 21 Sep 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/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/instantwebp2p/nacl-cert

AIoT NACL Certification System

aiot cryptography nacl nacl-cert security-protocol

Last synced: 08 Apr 2026

https://github.com/volkanbicer/theblockchain

Blockchain application created with nodejs

blockchain cryptocurrency cryptography nodejs

Last synced: 16 May 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/dylan-lang/hash-algorithms

Cryptographic hash functions for Dylan

cryptography dylan-lang hash hashing

Last synced: 03 Feb 2026

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/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/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/b1f6c1c4/naive-garble

Naïve implementation of garbled circuits.

cryptography garbled-circuits oblivious-transfer secure-computation sfe

Last synced: 03 Apr 2025

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/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/8hantanu/cryp2o

Watermark based image encryption

cryptography dct rsa

Last synced: 11 Aug 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/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/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/lostbeard/spawndev.blazorjs.cryptography

A cross platform cryptography library that supports encryption with AES-GCM and AES-CBC, shared secret generation with ECDH, data signatures with ECDSA, and hashing with SHA on Windows, Linux, and Browser (Blazor WebAssembly) platforms.

aes-cbc aes-gcm blazor blazor-webassembly cryptography csharp dotnet ecdh ecdsa encryption server sha-hashes subtlecrypto webbrowser

Last synced: 30 Jul 2025

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/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/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/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/davidbuchanan314/ml-kem-stuff

A toy implementation of ML-KEM, aka Kyber, based on the current FIPS 203 draft

cryptography cryptography-algorithms key-encapsulation-mechanism kyber ml-kem post-quantum-cryptography pqc python

Last synced: 10 Nov 2025

https://github.com/jtdowney/b2sum-rs

Rust clone of the BLAKE2b checksum utility in GNU coreutils

blake2b coreutils cryptography rust

Last synced: 14 Apr 2025

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

https://github.com/loneicewolf/cryptography

Encryption implemented in various languages. like AES and Serpent, more coming.

aes c cascade-encryption cipher cpp cryptography openssl rijndael serpent

Last synced: 08 Mar 2026

https://github.com/jiep/spake2plus

Python 3 implementation of SPAKE2+ protocol, according to RFC 9383

cryptography pake rfc9383 spake2plus

Last synced: 14 Aug 2025

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/qua3k/cryptopals

This is a repo providing solutions written in Go to the Matasano Cryptopals Challenges.

cryptography cryptopals

Last synced: 12 Jan 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/scifer99/pki-engineering

PKI Engineering Repository for Secure Web Application Development

cryptography information-security informationsystems pki-applications security-engineering

Last synced: 02 Feb 2026

https://github.com/simplito/linked-pm

A simple web application which encrypts your private messages (Java Script client-side encryption) and converts them into clickable links and QR-codes.

application cryptography qrcode web

Last synced: 04 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/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/betarixm/cuecc

POSTECH: Heterogeneous Parallel Computing (Fall 2023)

cryptography ctypes cuda ecc postech secp256k1

Last synced: 12 May 2025

https://github.com/ahf/orbis

An Erlang library for building worker pools using consistent hashing.

consistent-hashing consistent-hashing-library cryptography erlang

Last synced: 22 Mar 2025

https://github.com/cipherstash/enveloperb

Ruby bindings for the envelopers envelope-encryption library

cipherstash cryptography encryption envelope-encryption ruby

Last synced: 07 May 2025

https://github.com/pacemakerx/cryptolab

Simple and beginner-friendly implementations of classic cryptographic algorithms like Playfair, Hill Cipher, DES, AES, RSA, DSA, MD5, SHA512 — using Python. Designed for easy understanding, minimal dependencies, and educational use.

cryptography hill-cipher md5-hash playfair-cipher rsa-algorithm sha512

Last synced: 14 Apr 2025

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/sheroz/rsa

Samples of RSA (Rivest–Shamir–Adleman) asymmetric cipher implementations in Rust

crypto cryptography public-key-cryptography rsa rsa-cipher rsa-cryptography rsa-cryptosystem

Last synced: 04 Jan 2026

https://github.com/allouis/lamport-ots

🔏 Lamport One-Time Signatures in JavaScript 🔏

cryptography lamport ots signature

Last synced: 05 Apr 2025

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/noot/dleq-rs

cross-group discrete log equality proof

cryptography dleq zero-knowledge

Last synced: 03 Mar 2025

https://github.com/geeknik/qrypttalk

A Decentralized, Privacy-First Chat App

chat crypto cryptography encryption privacy

Last synced: 08 May 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 250 awesome-cryptography-rust 80 awesome-post-quantum 161 awesome-zama 344 Library-of-Ethereum 138 awesome-algorand 220 foundational-knowledge-for-programmers 53 awesome-infosec 83 awesome-ethereum-finance 93 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 Cryptography 174 Papers 173 Resources 159 Tutorials 158 Research papers and publications 141 Uncategorized 129 2018 101 Tools 95 Blockchain Explorers 89 MEV 89 Blockchain Playgrounds 81 Learning Resources 75 Research Groups 72 Misc 68 Blockchains 68