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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/juri/fernet

Fernet cryptography format implementation in Swift

cryptography fernet swift

Last synced: 12 Oct 2025

https://github.com/rusq/gonss3

Subset of Mozilla NSS enough to decrypt firefox passwords

3des 3des-cbc asn1-der cryptography deciphering decryption firefox password pkcs5

Last synced: 31 Mar 2025

https://github.com/pirate-emperor/cipherx

CipherX is a verification project for Advanced Encryption Standard (AES-128) using Universal Verification Methodology (UVM). It leverages Verilog, SystemVerilog, and Python to ensure robust encryption algorithm validation, integrating comprehensive UVM components and tests.

aes-128 cryptography cryptography-algorithms dataencryption dataencryptionstandards digitaldesign encrytption hardwareverification python security testing-framework uvm verification verilog

Last synced: 26 Jan 2026

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/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/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/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/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/unclerus/regnupg

Python GnuPG wrapper

cryptography gnupg gpg python

Last synced: 03 Apr 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/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/piotrpsz/gost

GOST algorithm implemented in Go

cryptography go gost

Last synced: 17 May 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/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/banyc/chatter

An End-to-End Intranet IM with Message Encryption. __Download link:

cryptography dotnet end-to-end-encryption instant-messaging intranet windows

Last synced: 30 Apr 2026

https://github.com/unikraft/lib-libhogweed

Port of libhogweed to Unikraft

cryptography library unikraft

Last synced: 20 Jun 2026

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/tulliolo/bip39

A Bip39 library, with a CLI and a collection of tools.

bip39 bitcoin cryptography entropy mnemonic python seed steganography wallet

Last synced: 29 Jun 2026

https://github.com/matias-gonz/rusty-curves

Elliptic curve implemented using bare rust and math

cryptography elliptic-curves rust

Last synced: 20 May 2026

https://github.com/fbielejec/zksnarks-notes

notes & explorations of various zero knowledge protocols

cryptography elliptic-curves pairings snarks zero-knowledge

Last synced: 12 Jan 2026

https://github.com/cryptimeleon/android-demo

An example project with instructions on how to use cryptimeleon on android.

android android-app cryptography mcl pairing

Last synced: 12 Jan 2026

https://github.com/wannaverseofficial/kmp-crypto

Common cryptography library for Kotlin Multiplatform

aes android crypto cryptography ed25519 hashing ios kmp kotlin-multiplatform rsa secure-random

Last synced: 21 May 2026

https://github.com/dannweeeee/zk-encode

Coding Bootcamp about ZK Proof Theory and Building

cairo cryptography modular-arithmetic rust zk-proofs zk-snarks

Last synced: 06 Sep 2025

https://github.com/slayernominee/cryptographic-algorithms

just some cryptographic algorithms to learn it

cryptography python

Last synced: 06 Jul 2025

https://github.com/ergl/sss

Basic Shamir's Secret Sharing

cryptography pony-language shamir shamir-secret-sharing

Last synced: 06 Feb 2026

https://github.com/sandeep-shaw10/cshb-model

This project aims to develop a secure and efficient model for end-to-end encrypted data transfer between a client and server, with a focus on promoting data integrity via hybrid blockchain

aes-512 blockchain cryptography cshb cshb-model end-to-end-encryption hybrid-blockchain steganography

Last synced: 06 Apr 2025

https://github.com/moeraorg/typescript-moeralib

TypeScript (or JavaScript) library to interact with Moera decentralized social network

cryptography decentralized javascript javascript-library library moera social-network typescript typescript-library

Last synced: 06 Apr 2025

https://github.com/max9836/sniper-cryptography

This is a command-line encryption and decryption tool leveraging military-grade encryption standards. It is lightweight, easy to use, and optimized for secure data operations.

aes-encryption command-line-tool cryptography encryption encryption-decryption encryption-tool go golang new-algorithm rsa-encryption sha-256 sha-512 sha3-256 sha3-512 shake256 xor-encryption

Last synced: 20 Jun 2026

https://github.com/volkansah/how-to-kill-crypto-money

Mr.Robot -> How to Kill Crypto Money? This document demonstrates how to use Python and the mnemonic library to generate a seed phrase and derive a private key. This code is intended for demonstration purposes only and should never be used with real funds or your actual hardware wallet.

bitcoin crypto cryptocurrency cryptography damage kill monero wallet

Last synced: 09 Feb 2026

https://github.com/simon-greatrix/sec-prng

Secure random number generation

cryptography java prng security

Last synced: 12 Jan 2026

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

Go implementation of the ACORN-128 authenticated encryption scheme

cryptography

Last synced: 25 Jul 2025

https://github.com/phma/wring-twistree

Whole-message cipher and tree hash

cipher-algorithm cryptography hashing-algorithm

Last synced: 18 Feb 2026

https://github.com/i2rys/pssl

Powerful shuffle & unshuffle libary.

cryptography key powerful shuffle unshuffle

Last synced: 18 Sep 2025

https://github.com/swaechter/pkcs11

A purely Java based PKCS11 library based on project Panama/FFI/FFM - no JNI

cryptography iaik java pkcs11

Last synced: 23 May 2026

https://github.com/h0llyw00dzz/fiber2fa

This is a custom 2FA (Two-Factor Authentication) middleware for the Fiber web framework. It provides a secure and easy-to-use solution for implementing 2FA in Fiber applications. The middleware supports TOTP (Time-based One-Time Password) authentication and offers customizable configuration options.

advanced crypto cryptography fiber fiber-framework go golang idiomatic-go two-factor two-factor-authentication twofactor

Last synced: 19 Sep 2025

https://github.com/antonio-hickey/relay

Secure communication utilizing a Proof of Identity signature and encrypted messages.

cryptography messaging

Last synced: 28 Jul 2025

https://github.com/aaron-akhtar/crypto

Learning crypto for future projects.

basic crypto cryptography encryption java

Last synced: 01 Aug 2025

https://github.com/azrod/cryptio

cryptio is a modern Go library for secure password-based encryption and decryption, featuring Argon2id key derivation and AES-GCM. Choose your desired security level—Standard, Medium, or High—for optimal protection and performance balance.

argon2 argon2id cryptography decryption encryption golang key-derivation password-hashing symetric-encryption

Last synced: 24 Sep 2025

https://github.com/alexgalhardo/blockchain.alexgalhardo.com

A web-based demonstration of blockchain concepts. This is a very basic visual introduction to the concepts behind a blockchain.

bitcoin blockchain cryptocurrency cryptography docker hash javascript nodejs pug-template-engine

Last synced: 09 Apr 2026

https://github.com/vatshayan/hiring

Hiring for Data Science, Cryptography, Machine Learning and Artificial Intelligence.

cryptography data-science data-visualization datasets hiring internship internship-task machine-learning machine-learning-algorithms

Last synced: 09 Mar 2026

https://github.com/shilongdai/passwordsaver

A password manager with high-grade encryption and authentication

cryptography encryption java password-manager password-store

Last synced: 03 Aug 2025

https://github.com/sayak-brm/pycypher

A collection of cryptographic tools in Py3.

analysis brute-force cipher cryptography python3

Last synced: 03 Aug 2025

https://github.com/siyovush-hamidov/pow-blockchain

🔒 POW ₿lockchain Implementation from scratch in GoLang

blockchain cryptography golang proof-of-work sqlite3

Last synced: 05 Aug 2025

https://github.com/elliotwutingfeng/bitwarden_backup_decryptor

🔓 CLI tool to decrypt backup files exported from Bitwarden. This application is not affiliated with Bitwarden, Inc.

aes aes-cbc android argon2id backup credential-stuffing cryptography cybersecurity encryption hmac hmac-sha256 ios linux macos password-manager pbkdf2 security sha256 windows

Last synced: 09 Apr 2026

https://github.com/alexruperez/cryptokitcli

Take Apple CryptoKit to the command line and perform cryptographic operations securely and efficiently.

apple cli command-line command-line-tool cryptography cryptokit security swift

Last synced: 09 Aug 2025

https://github.com/jonas089/badlands

Learning ZK proof systems and Key exchange cryptography.

cryptography zero-knowledge

Last synced: 10 Aug 2025

https://github.com/jscarle/cryptoextensions.net

Useful Cryptography Extensions

crypto cryptography csharp dotnet

Last synced: 16 Aug 2025

https://github.com/alanruno/mxd

MXD — Post-Quantum Blockchain with one-way bridge to BNB Smart Chain. Hybrid Ed25519 + Dilithium5 (FIPS 204 ML-DSA-87) at the address, transaction, and consensus layers.

agpl-3 blockchain bnb-bridge bnb-chain consensus cryptography dilithium5 fips-204 ml-dsa-87 post-quantum

Last synced: 24 May 2026

https://github.com/volkansah/encode-and-decode-php8

This guide provides examples of how to encrypt and decrypt files using PHP's Sodium extension, which offers modern cryptographic functions.

crypto cryptography decryption encryption php php8 security sodium

Last synced: 18 Aug 2025

https://github.com/jamestaylr/aes

Implementation of AES and associated cryptographic helper functions in Crystal

aes course-work cryptography crystal

Last synced: 24 May 2026

https://github.com/ledger-things/kadena-rust-lib

A comprehensive Rust library for interacting with Pact smart contracts and the Kadena blockchain.

blockchain cryptography kadena pact rust-lang rust-library

Last synced: 27 Aug 2025

https://github.com/exenon/cryptopals

Solutions to the Cryptopals Crypto Challenges

cryptography cryptopals

Last synced: 03 Oct 2025

https://github.com/flyingrobots/git-cms

A serverless, Git-native CMS built on pure plumbing. Stores content as signed commit messages on empty trees—no database required, just immutable Merkle DAGs.

auditability blog cms cryptography database git git-plumbing git-stunts gitops ledger provenance serverless signed-commits

Last synced: 20 Feb 2026

https://github.com/gitgab19/blockchain-address-list-generation

The focus of this repo is to retrieve the full list of addresses ever appeared into any transactions for some of the most famous blockchains using the secp256k1 curve. These Python scripts have been used for an academic research at Politecnico di Torino. If you want to know more about our paper, you can find it at https://arxiv.org/abs/2206.14107.

bitcoin blockchain cryptocurrency cryptography research research-paper secp256k1

Last synced: 09 May 2026

https://github.com/radlikewhoa/rainbow-road

Rainbow table exercise for the Cryptography and Security module (krysi) at the FHNW.

cryptography hashing java rainbow-table

Last synced: 11 Nov 2025

https://github.com/reddinton95/custom-plugin-backend

🚀 Master backend development with a structured, self-paced learning platform featuring 7 specialized agents and over 1000 code examples.

a1111-stable-diffusion-webui ai app async backend builder ckeditor5 claude cryptography enigma fastapi italia-design-system krita-plugin montreal-hug stable-diffusion wordpress wordpress-categories wordpress-widget

Last synced: 08 May 2026

https://github.com/spectre7651/crypta

Reasonably Good Encryption and Decryption Software (Python 3)

cryptography cybersecurity encryption python3

Last synced: 05 Jun 2026

https://github.com/onlycodergod/crypto-beta

🛡learn and watch how crypto work in Go

const crypto cryptography golang-library hash key privatekey sha

Last synced: 12 Jan 2026

https://github.com/jasonqsy/serpent

Serpent cipher in the AES contest.

aes-cipher cryptography

Last synced: 25 May 2026

https://github.com/h3nry-d1az/trsa

Minimal textbook RSA implementation

c cryptography rsa

Last synced: 13 Jan 2026

https://github.com/protomorphine/rsa-communication-system

Основные стадии процесса шифрования текстового сообщения с помощью алгоритма RSA

cryptography encryption matlab rsa

Last synced: 01 Jun 2026

https://github.com/innovativeinventor/pylamport

A simple Python library for generating cryptographic Lamport signatures

cryptography identity signature

Last synced: 16 May 2026

https://github.com/amul-thantharate/ciphersmith

A powerful and flexible command-line password generator that helps you create strong, secure passwords with ease.

cryptography python sqlite3

Last synced: 23 Jul 2025

https://github.com/ajay-dhangar/crypto

My submition for the Microsoft Future Tech 2022 Hackathon

crypto cryptocoins cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography

Last synced: 30 Mar 2025

https://github.com/dilbwagsingh/electronic-voting

A simple yet secure online voting app

cryptography expressjs mongo nodejs reactjs

Last synced: 16 Jan 2026

https://github.com/go-compile/rome

The Elliptic and Edward Curve cryptography library built for multi-curve use. Unified crypto interface for ECDSA, EdDSA, ECIES and ECDH. NIST Curves, Brainpool, Ed25519, Ed448.

crypto cryptography ecdh ecdsa ecies ed25519 edwards-curve elliptic-curves encrypt multi-curve p521

Last synced: 15 Apr 2025

https://github.com/qalle2/qbasic-md5

Compute an MD5 hash in QBasic

cryptography dos md5 qbasic

Last synced: 08 Mar 2025

https://github.com/csnp/qramm-tls-analyzer

TLS/SSL security analyzer for quantum readiness assessment and CNSA 2.0 compliance

cbom cnsa cryptography golang post-quantum-cryptography pqc quantum-computing security security-scanner ssl tls

Last synced: 13 Jan 2026

https://github.com/ayoub-aberbach/complex_it

Complex it - Complex Passwords Generator

cryptography css javascript reactjs

Last synced: 23 Mar 2025

https://github.com/koraa/decryption-despite-errors

Achieving security against fuzzing and improving bandwidth efficiency by combining FEC and symmetric encryption.

code-based-cryptography crypto cryptography deck-functions fec

Last synced: 05 Jan 2026

https://github.com/h0llyw00dzz/csr-generator

The CSR Generator is a Go package that provides functionality for generating Certificate Signing Requests (CSRs) and private keys. It simplifies the process of creating CSRs with specified common names and Subject Alternative Names (SANs).

cryptography go idiomatic-go pki-tools pkix security-tools ssl-certificates

Last synced: 02 Sep 2025

https://github.com/cebem1nt/keeper

Keeper is a python password manager with git synchronization between multiple devices.

argparse cryptography encryption fernet-cryptography password-generator password-manager password-store python3 terminal-based terminal-tool termux

Last synced: 03 Feb 2026

https://github.com/qalle2/md5-algo

MD5 implementation in Python

command-line cryptography md5 python3

Last synced: 28 May 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/magical/skein

The Skein hash function and Threefish block cipher

cryptography

Last synced: 24 Mar 2025

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/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/eldersantoss/pycertmanager

Module to assist in the programmatic management of PFX digital certificates on Windows operating system.

certificate cryptography pfx pki powershell windows

Last synced: 20 Jan 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