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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/juliuspleunes4/noiseframework

Noise Protocol Framework in Python.

cryptography noise pypi python

Last synced: 14 Jan 2026

https://github.com/lcian/klein-cryptanalysis

🔓 Cryptanalytic attack on the KLEIN embedded block cipher

cryptanalysis cryptography

Last synced: 08 Jun 2026

https://github.com/isaac-defrain/cryptography

Crypto BIP (Book In Progress)

crypto cryptography python

Last synced: 29 Jun 2025

https://github.com/h0llyw00dzz/tls-cert-chain-resolver

TLS Cert Chain Resolver is a CLI tool designed to resolve and manage TLS certificate chains efficiently.

cli command-line command-line-tool cryptography go golang idiomatic-go pki-tools ssl-certificate ssl-certificates tls-certificate tls-certificates

Last synced: 05 Jan 2026

https://github.com/piotrpsz/crypto

Implementation of encryption algorithms in c++17

3-way blowfish cpp17 cryptography gost

Last synced: 17 May 2025

https://github.com/arcsymer/password-manager

Desktop password manager (C++17) — libsodium Argon2id+secretbox vault, RFC 6238 TOTP 2FA, search/filter. Learning/portfolio project, not security-audited

2fa cmake cplusplus cpp cryptography libsodium portfolio totp

Last synced: 29 Jun 2026

https://github.com/lesnyrumcajs/matasanocpp

Matasano Crypto Challenge using C++

cpp cryptography cryptopals-challenges google-test

Last synced: 19 Jun 2026

https://github.com/gatanegro/unify-theory

unifies spacetime, matter, and forces in Oscilatorry Field

com cryptography dynamic math nonlinear-dynamics novel oscillatory physics theory unified

Last synced: 15 Mar 2025

https://github.com/onlyf0ur/pqc-zig

Post-Quantum Cryptography for Zig

cryptography post-quantum-cryptography pqc pqcrypto

Last synced: 16 May 2025

https://github.com/southwinds-io/volta

An embedded, zero-dependency Go library for multi-tenant data encryption and zero-trust secret management.

cryptography encryption-decryption gdpr go golang golang-library hipaa pci-dss pii secret-management

Last synced: 01 Jul 2025

https://github.com/albertotirla/cryptolibrary

this implements a collection of standard, classical encryption algorythms such as the caesar cifer, rot13 and monoalphabetical substitution

cryptography

Last synced: 03 Apr 2025

https://github.com/alvii147/hashbrown

My compilation of cryptography functions and personal start to cryptography

cryptography

Last synced: 28 Apr 2025

https://github.com/mrxx0/ft_ssl_md5

An introduction to cryptographic hashing algorithms.

cryptography security ssl

Last synced: 03 Aug 2025

https://github.com/codlocker/cryptography_algos

Implementing different Cryptography Algorithms

cipher cryptography

Last synced: 08 Jan 2026

https://github.com/uofsc-fall-2022-math-587-001/homework11

Basics on elliptic curves and their discrete log problem

cryptography discrete-logarithms elliptic-curves go latex math

Last synced: 14 May 2026

https://github.com/arnaldo10cisne/cryptography__python_app

This program can encrypt and decrypt arrays of English words. The word API used to validate words and obtain random ones is: https://random-word-api.herokuapp.com

cryptography pyhon3 pyhton

Last synced: 26 Mar 2025

https://github.com/bmoneill/adfgvx

ADFGVX cipher encrypter/decrypter

adfgvx cipher cryptography html-css-javascript html5 webpage

Last synced: 06 Sep 2025

https://github.com/buhman/rijndael

fast AES implementation for CHICKEN scheme

aes chicken-scheme cryptography

Last synced: 02 Apr 2025

https://github.com/cedi/cryptopals

http://cryptopals.com

challenge cryptography cryptopals

Last synced: 09 Apr 2025

https://github.com/akornatskyy/wheezy.security

A lightweight security/cryptography library

cryptography python security wheezy

Last synced: 28 Apr 2025

https://github.com/yumevote/voting-iot-machine-ui

A emulated GUI application which acts as a POS IOT Machine (DRE) to allow people to vote for election on the Maschain

arduino cryptography iot python tkinter-gui

Last synced: 15 Feb 2026

https://github.com/abdo-essam/diffie-hellman-key-exchange

The code you provided appears to be an implementation of the Diffie-Hellman key exchange protocol between a client and a server. This protocol allows two parties to establish a shared secret key over an insecure channel.

client client-server cryptography diffie-hellman diffie-hellman-algorithm diffie-hellman-key server

Last synced: 15 Mar 2025

https://github.com/albinzayedrawan/asymmetric-encryption

Lab Exercises about asymmetric encryption with RSA & Diffie-Hellman.

asymmetric-encryption cryptography diffie-hellman-key-exchange rsa-encryption

Last synced: 19 Jul 2025

https://github.com/alisatodorova/information-security-basics

Assignments on Public-Key Crypto, Lattice-Based Encryption, Symmetric Crypto, RSA, Advanced Protocols

cryptography cybersecurity lattice-based-crypto public-key-cryptography rsa-cryptography symmetric-key-cryptography

Last synced: 15 Mar 2025

https://github.com/psygo/cryptography_course

A Cryptography Course from Udemy

cryptography python

Last synced: 07 Dec 2025

https://github.com/mukailasam/rand

A Command-Line tool for generating a cryptographically secure random bytes

cryptographically-secure cryptographically-secure-random cryptography golang hexadecimal random random-bytes random-number

Last synced: 27 Feb 2025

https://github.com/antonio-marasescu/edublock

EduBlock represents a private blockchain platform intended for the sharing of educational records between universities. It was created to serve as my bachelor thesis degree.

angular blockchain cryptography docker expressjs gulp ngrx nodejs rabbitmq redux typedi typeorm typescript

Last synced: 13 Apr 2026

https://github.com/uofsc-fall-2022-math-587-001/homework4

Introduction to the discrete logarithm problem and a comparison of symmetric vs asymmetric ciphers

cryptography discrete-logarithm go latex math

Last synced: 20 Apr 2026

https://github.com/mikeleo03/rsa-attack-simulation

Create a simulation of RSA Cryptographic Attack based on provided encryption code

cryptography fermat-factorization python3 rsa-attacks wiener-attack

Last synced: 16 Mar 2025

https://github.com/smartibase/smart-transformers

Smart Transformers are a versatile machine learning tool that can be integrated with Pytorch, TensorFlow, and JAX. Smart transformers provide accurate computations required for cryptographic algorithms. These transformers is that they are independent modules, making it efficient to experiment with various research projects related to cryptanalysis

algorithms crypto cryptocurrency cryptography deep-learning jax machine-learning pytorch tensorflow transformer

Last synced: 28 Feb 2025

https://gitlab.com/florent.legname/java-crypto-sandbox

Tests and POCs with standard JDK 18 cryptographic implementations: RSA ciphering and signing, AES encryption etc.

AES cryptography java openjdk rsa

Last synced: 10 Jan 2026

https://github.com/super-e/slip39dotnet

Complete .NET implementation of SLIP-0039 Shamir's Secret Sharing with BIP32 support

bip32 bitcoin cryptocurrency cryptography csharp dotnet mnemonic secret-sharing shamir-secret-sharing slip-0039 vibe-coding

Last synced: 13 Apr 2026

https://github.com/duguorong009/rlwe-encryption-rs

RLWE encryption scheme using Knuth-Yao sampling

cryptography math post-quantum-cryptography rust

Last synced: 10 Jun 2026

https://github.com/mberry/makwa-sharp

C# implementation of the Makwa password hashing algorithm

cryptography hashing passwords

Last synced: 25 Mar 2025

https://github.com/gabriel-milan/des_example

Example for encryption/decryption using DES. Compatible with Arduino, Node.js and Python

arduino cipher cryptography nodejs python3

Last synced: 13 Apr 2026

https://github.com/okamyuji/passwordgenerator

A secure password generator web application built with Go, featuring customizable password length, character types, and comprehensive security measures including cryptographic randomization.

cryptography go golang http-server password-generator password-security security web-application

Last synced: 23 Mar 2025

https://github.com/elfincafe/anngo

Ann*Go is the cryptography tool written in Go language.

cryptography go

Last synced: 12 Mar 2026

https://github.com/abdo-essam/dsa-sha-algorithm

The DSA-SHA algorithm is a cryptographic algorithm used for digital signatures, which is based on the SHA-1 hash function. The program includes methods to convert hexadecimal to binary and vice versa, generate message chunks, left rotate, and hash.

cryptography digital-signature dsa dsa-algorithm sha1

Last synced: 15 Mar 2025

https://github.com/wzyskq/polybius_square_pro

An improved encryption and decryption system from the Polybius Square.

cryptography

Last synced: 14 Jan 2026

https://github.com/nullisxyz/apdu

Primitives for smart card interactions in Rust

apdu cryptography keycard rust smartcard

Last synced: 31 Mar 2025

https://github.com/nogipx/licensify

Secure license management for Dart/Flutter with ECDSA signatures, configurable encryption, and cross-platform support.

cryptography dart dartlang digital-signature ecdsa library license license-management licensing-library software-licensing

Last synced: 16 Apr 2025

https://github.com/eiblybrasil/php-crypt

A simple php class for encryption.

class cryptography php php72 php73 php74 php80 php81

Last synced: 05 Feb 2026

https://github.com/justscott/rapidrsa

Simpler to use implementation of the pycryptodome RSA algorithm

asymmetric-cryptography cryptography encryption-decryption python3 rsa rsa-cryptography

Last synced: 20 Jun 2026

https://github.com/enceeper/enceeper

Enceeper is a cross-platform password manager, built on top of Electron and utilizing the Enceeper service.

cross-platform crypto cryptography enceeper encryption manager password safe secure

Last synced: 16 May 2025

https://github.com/aniketc068/atick-python

Standalone Python library for PDF digital signatures — PAdES/CMS, USB tokens, Windows store, Indian eSign, timestamps, LTV and a green-tick appearance Adobe shows as valid. Zero dependencies.

adobe cades cryptography digital-signature esign ltv pades pdf pdf-signature pkcs11 python sign-pdf timestamp

Last synced: 16 Jun 2026

https://github.com/bmwant/ecc

Elliptic Curve Cryptography algorithms

calculus cryptanalysis cryptography

Last synced: 17 Mar 2025

https://github.com/dhcgn/crypto

Wrapper of secure encryption implementation to simplify the usage.

cryptography encryption go golang

Last synced: 17 Mar 2025

https://github.com/hexylena/poem-code

"The poem code is a simple, and insecure, cryptographic method which was used during World War II by the British Special Operations Executive (SOE) to communicate with their agents in Nazi-occupied Europe." - Wikipedia

cryptography historical-cipher

Last synced: 22 Aug 2025

https://github.com/edycutjong/synod

🏛️ Atomic multi-agent transactional orchestration engine running inside Intel TDX TEE boundary with 100% cryptographic rollback guarantees, powered by Terminal 3 ADK.

cryptography governance hackathon intel-tdx multi-agent nextjs react secp256k1 tee terminal3 wasm

Last synced: 21 Jun 2026

https://github.com/alphadevking/keyvault

Securely generate, store, and manage your passwords and passkeys with ease

bcryptjs cryptography security sync typescript

Last synced: 01 Jul 2025

https://github.com/yaon-c2h8n2/krypton

Projet réalisé dans le cadre de l'UE Codages & Cryptographie en M1 à l'Université de Bourgogne

cryptography data-compression-algorithms data-encoding

Last synced: 05 Oct 2025

https://github.com/platform-inf/go-ratchet

🛡️ Double ratchet algorithm implementation in Golang.

cryptography double-ratchet golang

Last synced: 31 Mar 2025

https://github.com/matthewcash/esp32-ecdsa

ECDSA (P-256) signing/verification using esp32 hardware accelerators

cryptography ecdsa embedded esp32

Last synced: 17 May 2026

https://github.com/jcbritobr/gocrypto-study

This study is based on Golang Cryptography for Depeloper book and its examples.

cryptography golang study

Last synced: 06 Oct 2025

https://github.com/hvalfangst/kubernetes-crypto

Distributed system consisting of Kotlin deployments demonstrating a public key cryptosystem enabled by Kubernetes

cryptography docker github-actions jacoco keystore kotlin kubernetes pkcs12 rsa spring-boot spring-security

Last synced: 11 Apr 2026

https://github.com/ohimoiza1205/goldman-sachs-forage-swe-simulation

Crack passwords and suggest security improvements as a Governance Analyst at Goldman Sachs.

cryptography goldman-sachs hashcat password-cracking software-engineering

Last synced: 17 Jan 2026

https://github.com/twtiger/crypto

Crypto library in golang

cryptography

Last synced: 14 Jan 2026

https://github.com/craiggleso/enigma

Javascript implementation

cryptography enigma

Last synced: 06 Oct 2025

https://github.com/imakin/anote

my own trusted note, encrypted

cryptography kotlin password-manager

Last synced: 26 Jan 2026

https://github.com/byut/des

An optimized implementation of the Data Encrpytion Standard (DES) in C

c cryptography des encryption

Last synced: 18 Mar 2025

https://github.com/edycutjong/epoch

⏳ Verifiable, privacy-blind inheritance and continuity orchestration inside hardware-isolated enclaves.

cryptography dead-mans-switch intel-tdx nextjs rust tee webassembly

Last synced: 21 Jun 2026

https://github.com/tell/note-on-subgroup-security

This is a demonstration of "A Note on Subgroup Security in Pairing-Based Cryptography"

cryptography pairing subgroup-security

Last synced: 15 Mar 2025

https://github.com/purarue/plus1

A symmetric substitution cipher used to obfuscate code that I'd rather not be indexed.

cipher cryptography

Last synced: 30 Mar 2025

https://github.com/lukman-01/alchemy-eth-bootcamp-projects

Alchemy-Eth-Bootcamp documentation of learning and developing blockchain technology from scratch using JavaScript, Blockchain cryptography and storage,Solidity, Etherjs, Hardhat and indept smart contract writing.

blockchain cryptography erc20 ethereum etherjs evm hardhat javascript nfts smart-contracts solidity

Last synced: 11 Apr 2026

https://github.com/trinetra110/stegoaes

A Python-based steganography tool that hides AES-encrypted messages in images using the Least Significant Bit (LSB) technique. Supports secure encoding and decoding with OpenCV and PyCryptodome.

cryptography steganography

Last synced: 01 Sep 2025

https://github.com/kyrylr/distributedlab

Solutions to the exercises of the Distributed Lab

cryptography hash-algorithms

Last synced: 07 Apr 2025

https://github.com/ocdbytes/giftlist-merkletrees

Alchemy University : Week 2 challenge

blockchain cryptography merkle-proof

Last synced: 11 Apr 2026

https://github.com/rayniel95/giftlist

My solution to week 2 project of Alchemy University.

alchemy-university blockchain cryptography docker express nextjs react reactjs web3

Last synced: 06 Mar 2025

https://github.com/ianacaburian/generate-key-file

Ports juce_KeyGeneration::generateKeyFile() to node.

auth cmake cpp20 cryptography juce keyfile nodejs npm rsa typescript

Last synced: 15 Mar 2025

https://github.com/ikcede/js-one-time-pad

A simple one-time pad class built in Javascript

crypto cryptography javascript

Last synced: 29 May 2026

https://github.com/guilt/gsum

gsum is a versatile command-line hashing tool written in Go, supporting a wide range of cryptographic and non-cryptographic hash algorithms. It offers advanced features like incremental hashing, GPG signing/verification, progress bars, and compatibility with existing Unix and Windows environments.

chatgpt checksum cryptography defense-methods golang grok gsum hashing incremental range utility verification

Last synced: 09 Oct 2025

https://github.com/stevemats/hashgenerator

The how to generate hashes using hashlib module in python.

cryptography hashlib hashlib-library python

Last synced: 22 Jun 2026

https://github.com/oklein1/cryptography-clojure

Clojure implementation of ciphers

cipher-algorithms clojure cryptography

Last synced: 10 Oct 2025

https://github.com/skygenesisenterprise/crux-256

CRUX-256: Experimental symmetric block cipher combining SPN and ARX architectures

aes-256 api-service cryptography database dns linux macos mail rust windows

Last synced: 14 Apr 2026

https://github.com/jaybrown/superbackeddownloader

macOS shell script and LaunchAgent to automatically download and verify Superbacked updates and auxiliary files

backup bip39 bitcoin blockcrypt btc crypto cryptography linux macos master-password mnemonic plausible-deniability qr-code secret seed-phrase shamir-secret-sharing succession superbacked tails totp

Last synced: 14 Apr 2026

https://github.com/ashiqyousuf/bints

Implement 1024 bit integer in C

c cryptography

Last synced: 25 Oct 2025

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 140 Uncategorized 129 2018 106 MEV 96 Tools 95 Blockchain Explorers 93 Blockchain Playgrounds 83 Learning Resources 76 Research Groups 74 Misc 74 2017 Scaling Battles 68