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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/disalad/caesar-cipher

📜 A tool to encrypt, decrypt & crack texts with a substitution cipher

caesar-cipher caesar-cipher-cli caesar-cipher-python cli cryptography substitution-cipher symetric-key

Last synced: 06 Apr 2025

https://github.com/ao3575911/gdk9

Symbolic energy CLI — analyze, transform, encrypt and optimize text using the GDk9 implication engine. Python ≥3.9, zero runtime dependencies.

cli cryptography energy-analysis gdk9 implication-engine nlp python symbolic-ai

Last synced: 22 Jun 2026

https://github.com/koraa/proverif.vim

Basic proverif support for VIM files.

cryptography highlighting neovim proverif syntax vim

Last synced: 02 May 2026

https://github.com/nanda-gopal-sb/password_manager

A Password Manager in mordern C++.

bitwise cli cpp cryptography file filesystem password

Last synced: 03 Apr 2025

https://github.com/umitkrkmz/chaotic_audio_steganography

Official Python implementation of "Secure Audio Steganography using Vectorized LSB and Chaos-Based Encryption" (DOI: 10.64470/elene.2025.12).

audio-processing chaos-theory chaotic-maps cryptography image-encryption lsb-steganography pyside6 python research-paper steganography

Last synced: 13 Jan 2026

https://github.com/karusb/bazcryptlib

BazCrypt 4 Neighborhood Cellular Automata Encryption Algorithm C++ Library

algorithm bazcrypt bazcrypt-encryption c-plus-plus cellular-automata cpp cross-platform cryptography encryption library linux windows

Last synced: 02 May 2026

https://github.com/anubhav-narayan/pkns

Public Key Name System Framework for Key Exchange in Peer-To-Peer and centralised servers.

cryptography key-exchange peer-to-peer public-key-cryptography python-3 python3-framework web-service

Last synced: 19 Jan 2026

https://github.com/bok1c4/pgpkeytypedetector

This includes RSA and ECC cryptographic algorithms

cryptography go pgp

Last synced: 08 Oct 2025

https://github.com/projects-developer/triple-des-project-image-security-by-triple-des

This project aims to provide a secure way to transmit and store images using the Triple Data Encryption Standard (Triple DES) algorithm Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

btechprojects computer-science-projects computerscienceprojects cryptography decryption digital-rights-management encryption final-year-project finalyearproject finalyearprojects image-security mtechprojects secure-image-storage secure-image-transmission triple-des

Last synced: 07 Feb 2026

https://github.com/hydronixt/zyra-crypto-wallet-mnemonic-seed-phrase-balance-checker

This repository features Zyra, a crypto wallet tool that includes functionality for checking balances using mnemonic seed phrases. It allows you to securely manage and verify cryptocurrency balances associated with various wallets.

balance balance-checker bip39 bitecoin blockchain cold-wallet crypto crypto-wallet cryptography ethereum hardware-wallet keypair mnemonic mnemonic-phrase seed seed-phrase wallet wallet-checker

Last synced: 03 May 2026

https://github.com/rwilliamspbg-ops/smp-zk-proofs

A Rust library providing verifiable aggregation ledgers in distributed spatial networks. It implements deterministic zero-knowledge proof (ZKP) and verification pipelines for local data processing—specifically validating location constraints and machine learning training updates—using a flexible API designed for seamless integration with Halo2

arkworks cryptography halo2 machine-learning privacy-preserving rust spatial-networks verifiable-computation zero-knowledge-proofs zkp

Last synced: 22 Jun 2026

https://github.com/nandanr06/full-stack-cryptocurrency

Cryptocurrency Tracker is a real-time app for monitoring cryptocurrency prices, market trends, and historical data. Powered by the CoinGecko API, Node.js, Express, and React, it allows users to view live market updates, explore trending coins, and analyze price histories with interactive charts—all in a responsive, user-friendly interface.

bitcoin cryptocurrency cryptography marketplace

Last synced: 17 Apr 2026

https://github.com/kuro337/textract

Single Header High Performance C++ Image Processing Library to read content from Images and transform Images to text files.

cpp cpp20 cryptography folly opencv openmp-parallelization

Last synced: 18 Apr 2026

https://github.com/alexmasi/block-cipher-ctr-ecb

An AES implementation of a CTR block cipher using a CBC-MAC along with an ECB implementation for comparison

aes bmp c cryptography ctr ecb-mode

Last synced: 24 Mar 2025

https://github.com/tetration-lab/solidity-ed-on-bn254

Solidity implementation of a twisted Edwards curve on scalar field of BN254, also known as Baby-Jubjub.

babyjubjub bn254 cryptography ethereum smart-contract solidity

Last synced: 04 May 2026

https://github.com/symbolicsoft/jevil

A stateless few-time signature scheme with a sharp key-recovery cliff

cryptography few-time-signatures post-quantum-cryptography signature-scheme

Last synced: 03 Jun 2026

https://github.com/scotow/pac

Scripts made throughout the PAC courses (Lille University)

course cryptography lille university university-project

Last synced: 09 Jun 2026

https://github.com/Lemniscate-world/Noun

Build my own blockchain based on TOR protocol

anonimity blockchain cryptography proof-of-stake security tor

Last synced: 13 Oct 2025

https://github.com/suvasish114/non-adaptive-partial-image-encryption

An image encryption project, proposed by Barrackpore Rastraguru Surendranath College's department of computer science undergraduates under Dr. Sukalyan Som's mentorship on adaptive partial image encryption of grayscale image based on chaos.

cryptography encription imageencryption imageprocessing opencv python

Last synced: 13 Apr 2026

https://github.com/contisimone99/simple-hw-asimmetric-encryption

Simple Asymmetric Encryption (SAE) system implemented in SystemVerilog and Python. Demonstrates basic key generation, encryption, and decryption operations using modular arithmetic with communication between two parties through public key exchange.

cryptography cybersecurity encryption hardware-design systemverilog verilog

Last synced: 10 Feb 2026

https://github.com/talyx/amib

Реализация криптографических алгоритмов/протоколов/схем

cryptography

Last synced: 19 Apr 2026

https://github.com/ayazkhan27/cyclic

Cyclic prime numbers and their generation of cyclic numbers that follow a wave function and superpositions, converted into an encryption algorithm.

aes cryptography encryption full-reptend-prime number-theory rsa

Last synced: 15 Jun 2026

https://github.com/thomas-vilte/mls-go

MLS Protocol (RFC 9420) implementation in Go. Secure group key exchange with forward secrecy and post-compromise security for E2EE messaging.

cryptography encryption end-to-end-encryption go golang messaging-layer-security mls rfc-9420 security

Last synced: 04 Apr 2026

https://github.com/magical/go-ascon

Go implementation of Ascon-128, Ascon-Hash, Ascon-Xof, Ascon-128a and Ascon-Hasha

cryptography

Last synced: 24 Mar 2025

https://github.com/rushi-12320/cryptable-app

Cryptography app which can encrypt and decrypt images and text both

android-app cryptography java

Last synced: 06 May 2026

https://github.com/deadblackclover/ed25519_to_curve25519

Convert ed25519 keys and sign to curve25519

crypto cryptography curve25519 ed25519 rust

Last synced: 13 Jan 2026

https://github.com/gat786/cryptography

Python scripts for the basic crytography techniques that are taught in our college

ciphers cryptography python3

Last synced: 17 Mar 2025

https://github.com/khoinguyen2k/int3213-crytography

Java code to illustrate how cryptography work

cryptography elliptic-curve-cryptography uet

Last synced: 06 Mar 2025

https://github.com/dsprenkels/sss-hs

Haskell bindings for my Shamir secret sharing library

cryptography shamir-secret-sharing

Last synced: 16 Mar 2025

https://github.com/tom474/cryptography-comparative-analysis

[RMIT 2024C] COSC2539 - Security in Computing and IT - Analytical Security Report

asymmetric cryptography hashing security symmetric

Last synced: 07 May 2026

https://github.com/majikah/majik-key

Majik Key is a next-generation seed phrase account library for creating and managing mnemonic-based identities. It provides a post-quantum ready, high-security bridge between BIP39 mnemonics and the Majikah ecosystem.

bip39 crypto cryptography key keypairs majik-message mnemonic security seed-phrase

Last synced: 22 Jun 2026

https://github.com/telkomdev/netcrypsi

Custom crypto utility that wraps the DotNet cryptography API to make life easier (Digest, AES, HMAC, RSA, RSA Digital Signature)

aes cryptography dotnet rsa

Last synced: 17 Apr 2026

https://github.com/anishlearnstocode/lsb-image-steganography

Hiding Messages inside Pictures 🖼 using Least Significant Bit (LSB) Steganography 🔐.

cryptography lsb-steganography steganography

Last synced: 18 Mar 2025

https://github.com/randombit/randomized-montgomery

Expermental implementation of randomized Montgomery exponentiation

cryptography python

Last synced: 25 Mar 2025

https://github.com/dubniczky/cryptolab

A hands-on cryptography repository containing implementations of fundamental encryption, decryption, hashing, padding, and random number generation techniques.

cryptography encryption hashing padding python

Last synced: 10 Jun 2026

https://github.com/netesf13d/py-ecc

Python implementation of elliptic curve cryptography

cryptanalysis cryptography elliptic-curve-cryptography

Last synced: 17 Jun 2026

https://github.com/tranvansang/crypto-report

Cryptography lecture report in M1 at the university of Tokyo

checksum cryptography damm hash-functions isbn quasigroup

Last synced: 27 Feb 2026

https://github.com/thefish/gogost

Cypherpunks.ru gogost mirror

cryptography encryption-algorithms gost russian

Last synced: 14 Jan 2026

https://github.com/01alekseev/psc

Petoron Seal Contracts (PSC) is a minimalistic cryptographic contract format. It doesn't execute. It verifies. Then it ends :))

binary crypto-contracts cryptography digital-signature minimal petoron psc security ttl

Last synced: 27 Jun 2026

https://github.com/akhilkailas017/file-xor-encryptor

This repository is used to encrypt and decrypt files in computer using XOR. Based on Python

auto-py-to-exe cryptography encryption pyinstaller python xor

Last synced: 04 Jun 2026

https://github.com/mostafa-wael/number-theory-and-cryptography-rsa

The RSA assignment from Coursera course "Number Theory and Cryptography"

coursera cryptography rsa

Last synced: 16 Mar 2025

https://github.com/ishan-surana/federanet

Federated Multimodal Cyberattack classification model on social media messages (utilizing blockchain and quantum key cryptography). Blockchain server at https://cyberattack-blockchain.onrender.com/. Model interaction link below.

bb84-protocol blockchain convolutional-neural-networks cryptography federated-learning flask html-css-js information-security machine-learning multimodality natural-language-processing proof-of-authority streamlit zero-knowledge-proof

Last synced: 10 May 2026

https://github.com/north9-labs/seam

Post-quantum encrypted transport protocol — UDP, multi-stream, built-in FEC, Noise_XX + ML-KEM-768

cryptography forward-error-correction ml-kem networking post-quantum protocol rust udp

Last synced: 11 Jun 2026

https://github.com/jparr721/monkey

🐒 Non GMO password manager, safe for consumption

cryptography cryptography-tools nodejs password password-vault tool

Last synced: 20 Apr 2026

https://github.com/bklockly/shadowmeld

🕶️ 隐蔽Shellcode嵌入与反检测加载器生成框架 / Stealthy Payload Delivery Framework with Anti-EDR Capabilities

bypass-antivirus bypass-av cipher cryptography hacking hide-files image-steganography lsb-steganography security shellcode shellcode-loader

Last synced: 16 Mar 2025

https://github.com/lucianoscarpaci/atmega328p

🔒 Embedded Crypto Projects with Arduino board.

aes arduino arduino-projects atmega328p cryptography haskell nix

Last synced: 10 May 2026

https://github.com/cpscript/qrcryptography

Experimental post-quantum cryptographic framework implementing hybrid lattice-based encryption with hash based signatures. Combining Ring-LWE, standard LWE, and Merkle trees for defense against classical and quantum attacks.

cryptographic-research cryptography experimental hash-based-signatures python quantum-resistant ring-lwe

Last synced: 04 Sep 2025

https://github.com/w-henderson/vaccert

💉 Cryptography-based vaccine certification app, built with React Native.

cryptography react-native signature vaccination vaccine-tracker

Last synced: 10 May 2026

https://github.com/sudhanplayz/ecdsa-node

Secure, centralized transfers with Elliptic Curve Signatures.

crypto cryptography ecdsa elliptic-curve-cryptography elliptic-curves security

Last synced: 29 Oct 2025

https://github.com/ardatetikbey/ruby-kriptografi-101

Ruby programlama dilinde şifreleme hakkında doküman

cryptography ruby sifreleme

Last synced: 06 Jul 2025

https://github.com/chainsafe/pairings-js

Elliptic Curve Pairings in Pure Javascript

cryptography elliptic-curves javascript pairings

Last synced: 13 Oct 2025

https://github.com/wangray/matasano-crypto

Matasano Crypto Challenges in python

cryptography

Last synced: 03 Jul 2025

https://github.com/blester125/kasiski_examination

Kasiski Examination written to break a Vigenere Cipher for CS 1653 includes a C Red-Black tree impelmenatation

cryptography kasiski-examination red-black-tree

Last synced: 21 Jan 2026

https://github.com/timjp87/elixir_bls

Wrapper around the Herumi BLS 12-381 Elliptic Curve construction and signature aggregation scheme.

cryptography ecdsa-cryptography ecdsa-signature elixir elixir-lang signatures

Last synced: 30 May 2026

https://github.com/magical/keccak

The Keccak hash function (SHA-3)

cryptography

Last synced: 10 Jan 2026

https://github.com/machu-gwu/windtalker-project

Encrypt and decrypt text, binaries, files, and directories with a variety of cipher options.

cryptography encryption python tool

Last synced: 13 Feb 2026

https://github.com/talha-1010/des-algorithm

A symmetric-key algorithm for the encryption of digital data.

cpp cryptography datastructures des-algorithm encryption-decryption template-specialisations

Last synced: 18 Oct 2025

https://github.com/pushpendra-1697/wedsurf

This React onboarding project includes pages for login, signup, home, and profile functionalities, catering to user authentication and navigation, facilitating a seamless design experience. The user will be blocked for the next 24 hours after putting 5 times wrong password at the time of token-based login.

axios bcrypt chakra-ui cryptography expressjs jsonwebtoken jwt-decode mongodb mongoose nodejs otp-authentication react-components react-hooks react-icons react-router-dom react-slideshow-image reactjs responsive-design token-based-authentication twilio

Last synced: 02 Apr 2026

https://github.com/texadactyl/cloaking.c

C-language password-based security of a single file or a single file system archive file.

c cloaking-utility cryptography encryption-decryption libgcrypt password-based

Last synced: 04 Apr 2025

https://github.com/doublegate/cado-nfs-modern

CADO-NFS (modern): an enhanced modernization + performance fork of CADO-NFS (Number Field Sieve — integer factorization & discrete log) on current toolchains. Adds GPU linear algebra + full vector residency, a GPU ECM pre-factoring front-end, SDE-validated AVX-512 VPCLMULQDQ/IFMA kernels, and Rust orchestration. LGPL-2.1.

cado-nfs cpp cryptography discrete-logarithm factorization hpc integer-factorization modernization-fork nfs number-field-sieve number-theory python

Last synced: 16 Jun 2026

https://github.com/adiwajshing/simplecrypto

All coding work done for Ashoka University CS-2362

aes cryptography curve elgamal sign-verification signing verification

Last synced: 28 Feb 2025

https://github.com/simplito/privmx-endpoint-csharp

C# wrapper for PrivMX, a platform allowing developers to build end-to-end encrypted apps used for communication through text messages, real-time data streaming and secure file exchange and storage.

chat communication cryptography data-transfer decryption e2ee end-to-end-encryption files messages messaging privacy privacy-protection private privmx secure simplito storage thread zero-knowledge

Last synced: 29 Jun 2025

https://github.com/astropilot/bigeye

A web security challenges website, a school project for my software security course

challenge cryptography ctf-platform security web

Last synced: 19 Mar 2026

https://github.com/axthauvin/cacher-du-texte-dans-du-texte

Python module and its web equivalent, to hide text within text by manipulating bits

cryptography javascript python text

Last synced: 09 Jun 2026

https://github.com/th0rgal/cryptohack

What I use for cryptohack

cryptography maths

Last synced: 14 Oct 2025

https://github.com/wisepythagoras/pyrin

A [fairly slow and] secure 512-bit one way cryptographic hash function.

crypto crypto-library cryptographic cryptography cryptography-library cryptography-tools cryptojs hash hash-functions sha1 sha256

Last synced: 24 Apr 2026

https://github.com/sourish-kanna/side-projects

These are my other side projects which are not that big for a dedicated repository

ascii cesar-cipher cesar-cypher cryptography encryption java python side-project

Last synced: 11 May 2026

https://github.com/karasz/securelog

Forward-secure Go library for tamper-evident audit logs, implementing Ma–Tsudik’s dual-MAC private-verifiable scheme.

audit-logging compliance cryptography forward-security golang log-integrity secure-logging tamper-detection

Last synced: 26 Oct 2025

https://github.com/octocorvus/broccoli_salsa

Salsa20 stream cipher implementation in Rust.

ciphers cryptography rust

Last synced: 16 Mar 2025

https://github.com/breezy-codes/cryptography-projects

A fun little collection of different cryptographic algorithms I've learned about. This is developed purely for fun, please don't use them for actual encryption.

crypto cryptographic-algorithms cryptography cryptography-algorithms

Last synced: 25 Mar 2025

https://github.com/arindal1/morsecode-translator

A Morse-Code Generating web-app based on JavaScript.

cryptography development front-end javascript morse-code webapp

Last synced: 09 Apr 2025

https://github.com/dmberezovskyii/secure-test-automation

Cipher is a Python library for encrypting and decrypting passwords, designed for integration with automated testing frameworks such as Selenium, Appium, Playwright, and others. It ensures secure password storage and allows retrieving keys from remote vaults to decrypt configuration files.

appium automated-testing aws-kms crypto cryptography decryption encryption playwright python3 secure-storage selenium selenium-sercrets vault

Last synced: 15 Feb 2026

https://github.com/alexstevovich/ghostmail

[Node.js] Obfuscates inline HTML email addresses to protect from bots and scrapers.

cryptography email micro nodejs

Last synced: 15 Feb 2026

https://github.com/ericlagergren/ocb3

OCB3 - Offset Codebook Mode

cryptography ocb ocb3

Last synced: 14 Jan 2026

https://github.com/xannythepleb/pycryptx

PyCryptX - an X25519 + Ed25519 + ChaCha20 + BLAKE2b based public key encryption program in Python. This is an unaudited hobby project!

blake2b chacha20 cryptography curve25519 ed25519 encryption-decryption hkdf public-key-cryptography python-encryption python3 x25519

Last synced: 07 Jun 2026

https://github.com/rahmatagungj/toke-dev

This for Development TOKE SYSTEM

cryptography encryption

Last synced: 15 Jun 2026

https://github.com/ideal-lab5/etf.js

Encryption to the Future Javascript SDK

cryptography encryption etf timelock-encryption

Last synced: 17 Mar 2026

https://github.com/BKLockly/ShadowMeld

🕶️ 隐蔽Shellcode嵌入与反检测加载器生成框架 / Stealthy Payload Delivery Framework with Anti-EDR Capabilities

bypass-antivirus bypass-av cipher cryptography hacking hide-files image-steganography lsb-steganography security shellcode shellcode-loader

Last synced: 01 Apr 2025

https://github.com/harsh-ps-2003/haikyu

A Bitcoin miner simulation

bitcoin cryptography sqlite

Last synced: 25 Feb 2026

https://github.com/damaged-organic/ravelcast

RavelCast allows to share text messages of any content, completely anonymous, without registration and any clues about users identity.

cryptography css3 html5 javascript php symfony2

Last synced: 17 Mar 2026

https://github.com/systemslibrarian/postquantum.fileformat

Draft specification for a hybrid post-quantum file encryption format. X25519+ML-KEM-1024 + Ed25519+ML-DSA-87. EXPERIMENTAL — seeking review.

cryptography dotnet draft-spec file-format hybrid-encryption post-quantum specification

Last synced: 01 Jun 2026

https://github.com/exploide/ulpcrypt

Implementation of the U-LP Cryptosystem

cryptography cryptography-library

Last synced: 06 Sep 2025

https://github.com/awais922609/cyber-security-interview-question-answers

Welcome to the Cybersecurity Questions and Answers Repository! This project aims to create a comprehensive collection of questions and answers related to various cybersecurity topics. Whether you’re a beginner looking to learn or a seasoned professional wanting to share your knowledge, this repo is the perfect place for you.

cryptography cybersecurity grc network-engineer networking penetration-testing security-engineering security-operations-center

Last synced: 08 Jan 2026

https://github.com/minhngt62/cryptography-vigenere

A simulation for vigenere cipher and its attacking methods

cryptanalysis cryptography kasiski-examination python vigenere-cipher

Last synced: 10 Oct 2025

https://github.com/arachsys/ssh-x25519

Map ssh-ed25519 keys into x25519 keys

crypto cryptography ed25519 golang ssh x25519

Last synced: 14 Jan 2026

https://github.com/than-dev/passm

A simple and secure node local password manager!

cryptography filesystem javascript linux management nodejs security terminal

Last synced: 12 Apr 2026

https://github.com/skulltech/cryptanalysis-scripts

Some scripts for automated, algorithmic cryptanalysis.

classical-cipher classical-cryptography cryptanalysis cryptography

Last synced: 24 Jun 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 539 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 Papers 326 Contributed talks, posters and presentations 295 The list 248 Talks, posters, and presentations 243 Cryptography 176 Tutorials 158 Resources 155 Research papers and publications 141 Uncategorized 129 2018 106 MEV 96 Tools 95 Blockchain Explorers 93 Blockchain Playgrounds 83 Learning Resources 75 Research Groups 74 Misc 74 Blockchains 68