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/l1asis/vault-tar

AES-256-GCM file and directory encryption CLI with chunked streaming, configurable compression, and output splitting.

aes-256-gcm archiving cli compression cryptography directory-encryption encryption file-encryption pbkdf2 privacy python security

Last synced: 14 Feb 2026

https://github.com/ben854719/trade-transfer-workflow-optimizer

This AI portfolio tools securely analyzes asset allocation, sector exposure, and performance. Its graph compares real and predicted close prices, enhanced with sentiment indicators such as “Confident” and “Surprised.” An avatar assistant provides user guidance combining technical accuracy with intuitive explanations.

agentic-ai avatar cryptography emotion-analysis encryption gemini json langgraph langraph machine-learning-algorithms matplotlib mcp-server numpy opencv-python pandas python pytorch rs256 seaborn

Last synced: 15 Feb 2026

https://github.com/mehregxn/go-tls

my playground repo to learn tls and cryptography in go/golang

cryptography go golang tls

Last synced: 11 Jan 2026

https://github.com/projects-developer/diffie-hellman-key-exchange-algorithm-cryptography-project

This project implements the Diffie-Hellman Key Exchange Algorithm, a popular cryptographic protocol that enables two parties to establish a shared secret key over an insecure communication channel. Diffie-Hellman-Key Exchange Algorithum Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video

btech-project computer-science-project cryptography diffie-hellman-key-exchange final-year-projects finalyearproject finalyearprojects key-exchange-public-key-cryptography mtechprojects private-key-cryptography secure-communication secure-key-exchange

Last synced: 01 Mar 2026

https://github.com/erikrios/my-blockchain-bar

Build a Blockchain from Scratch in Go

blockchain cryptocurrency cryptography go golang

Last synced: 14 Aug 2025

https://github.com/krisarmstrong/enigma-v300

> Complete collection of Enigma V300 option key algorithm implementations

c calculator ci-cd cpp cryptography encryption enigma fluke github-actions nettool network-testing option-keys python

Last synced: 04 Mar 2026

https://github.com/epicreach/tkey-web-authentication

Secure Go-based proxy server using TKey hardware for passwordless website authentication.

authentication cryptography daemon go proxy-server security-tools

Last synced: 04 Mar 2026

https://github.com/nuwax-io/nuwault-core

Generate consistent, secure passwords from keywords. TypeScript-based, with smart entropy controls.

client-side-encryption cryptography deterministic encryption hash password password-generator privacy-first security-tools web-crypto-api

Last synced: 03 Jun 2026

https://github.com/hvalfangst/rsa

RSA made from scratch using the underlying mathematical concepts for sake of demonstration

cryptography github-actions python rsa

Last synced: 17 Apr 2026

https://github.com/forgesworn/shamir-core

GF(256) Shamir's Secret Sharing — split and reconstruct secrets with threshold schemes

cryptography gf256 key-splitting secret-sharing shamir threshold typescript

Last synced: 04 Apr 2026

https://github.com/ocdbytes/secp256k1_bitcoin

This is the cryptography algorithm used in bitcoin to generate public and private keys. Bitcoin uses SECP256k1 C-language library to use this encryption in the Bitcoin operating system.

bitcoin cryptography rsa-cryptography secp256k1

Last synced: 18 Apr 2026

https://github.com/amiriiw/merkle_note

Merkle Note is a lightweight GTK-based application for securely encrypting, decrypting, and saving textual data. The application uses AES-256-CBC encryption and integrates a Merkle root system for verifying the integrity of the stored data.

aes-256 aes-256-cbc c cryptography files hash merkle notebook security

Last synced: 28 Mar 2025

https://github.com/nuraj250/lockbox-secure-password-manager

LockBox is a lightweight yet powerful password manager built with Python. It encrypts and securely stores your passwords, providing an intuitive CLI and optional GUI for easy access. Say goodbye to forgotten passwords and hello to secure automation! 🔒🚀

authentication automation cryptography cybersecurity encryption lockbox password-manager pyqt5 python secure-storage sqlite

Last synced: 21 Apr 2026

https://github.com/sohnryang/crypto-contest-2020

상받은 2020년 암호경진대회 솔루션

block-cipher crypto-contest cryptography hill-cipher loop-unrolling

Last synced: 21 Apr 2026

https://github.com/aleph-im/signature-based-encryption

A simple proof of concept of generating an AES CryptoKey using an EIP-712 signed payload

cryptography encryption ethereum

Last synced: 22 Apr 2026

https://github.com/crosbydoo/kriptografi_konvensional

Konverter untuk kriptografi jenis klasik atau konvensional yang terdiri dari Caesar Cipher dan Vignere Cipher. Dibuat menggunakan bahasa dart, dijalankan menggunakan command line.

caesar-cipher converter cryptography dart konventional-cryptography kriptografi kriptografi-klasik uty vignere-cipher

Last synced: 24 Apr 2026

https://github.com/simplito/crypt-erl

Erlang wrapper for unix libcrypt library

bcrypt cryptography erlang libcrypt

Last synced: 06 Jun 2026

https://github.com/ntdls/nasccl

NetworkDLS Algorithmic Symmetric Cipher Cryptography Library

cryptography encryption library

Last synced: 25 Apr 2026

https://github.com/jchambers/java-noise

A Java implementation of the Noise Protocol Framework

cryptography java noise noise-protocol noise-protocol-framework security

Last synced: 26 Apr 2026

https://github.com/davidalgis/filescrypter

Simple python tool for encrypting and decrypting files. For more secure information sharing/storage.

aes cryptography encryption-decryption python

Last synced: 28 Apr 2026

https://github.com/armanghobadi/uecdh

is a lightweight, standards-compliant Elliptic Curve Diffie-Hellman (ECDH) key exchange library for MicroPython, optimized for ESP32 and other resource-constrained IoT devices

cryptography ecdh esp32 microcontroller micropyhton

Last synced: 28 Apr 2026

https://github.com/gbennnn/stegcrypt

StegCrypt is a lightweight steganography tool for securely embedding and extracting hidden messages within digital images.

cryptography decryption encription flask image-encryption python secret steganography

Last synced: 28 Apr 2026

https://github.com/jacob-ian/deno_rsa

Generate/decode RSA Public and Private Keys and create signatures with SHA256withRSA (RS256) in Deno.

cryptography deno denoland rsa typescript

Last synced: 29 Apr 2026

https://github.com/kozlm/lyra2

Lyra2 password hashing algorithm implementation in Java

cryptography java junit lyra2 maven password-hashing phs

Last synced: 29 Apr 2026

https://github.com/samuelgodoy/arca

ARCA - Cofre de Segredos ou Credenciais

cosmocc cryptography encryption password secret vault ziglang

Last synced: 29 Apr 2026

https://github.com/hptrk/uni-rabin-encryption-python

(UNIVERSITY) Implementation of the Rabin cryptosystem and digital signatures using modular arithmetic and prime number theory. Includes encryption, decryption, and signature verification with a detailed PDF report.

cryptography python rabin-cryptosystem sagemath university-project

Last synced: 30 Apr 2026

https://github.com/theoddysey/blockchain-go

A Bitcoin-like blockchain implementation in Go, demonstrating cryptographic principles, PoW consensus, UTXO transactions, wallet management, and P2P networking.

bitcoin blockchain boltdb consensus-algorithm cryptocurrency cryptography decentralized distributed-systems ecdsa golang p2p-network proof-of-work utwork wallet

Last synced: 02 May 2026

https://github.com/carloslfu/ts-crypto

Crypto utilities for TypeScript proyects

cryptography typescript

Last synced: 02 May 2026

https://github.com/ilovenooodles/classic-crypto

Web based Classic cryptography

cryptography flask nextjs

Last synced: 02 May 2026

https://github.com/ritartistry/hal

HAL is a secure HTTP API Layer for Large Language Models, enabling seamless web API interactions and automatic tool generation from OpenAPI specs. 🚀🌐

analyze compiler cryptocurrency cryptography dsl embedded face-animation fpga go gpu halo image-animation integrated-circuits javascript network objective-c security source-code

Last synced: 03 May 2026

https://github.com/kwas123/blockchain-file-verification

🔒 Verify file integrity and authenticity with this decentralized system on Ethereum, ensuring secure, tamper-proof document validation through blockchain technology.

axios bitcoin blockchain blockchain-technology copyleft cryptography dapp fir modular move openpgp p2p pinata-ipfs python react sha256 timestamp trusted-timestamping

Last synced: 04 May 2026

https://github.com/kaalpanikh/file-integrity-checker

A Python-based file integrity checker using SHA-256 to detect unauthorized modifications and ensure data security

cli-tool cryptography cybersecurity file-integrity file-monitoring hash-verification python security sha256 yaml

Last synced: 04 May 2026

https://github.com/systemslibrarian/structureless-labs

Open research lab for conservative post-quantum cryptography — three-depth explainers (Simple/Developer/Researcher), the sl-researchkit method, reproducible attacks, and an experimental KEM studied with it. For production, use ML-KEM.

accessibility cryptography cryptography-research explainable lattice-cryptography learning-with-errors ml-kem open-research post-quantum-cryptography pqc

Last synced: 09 Jun 2026

https://github.com/shazeus/hashcrack

Hash identification and lookup tool for CTF and security research

cli cryptography ctf hash-cracking hashing md5 password-cracking pentesting python reverse-hash security sha256

Last synced: 09 Jun 2026

https://github.com/alfahami/landcertificate

An admin/client land certficate requester application built on top of Hyperledger where clients request a land certificate to a land conserver(admin) who will deliver the certificate.

blockchain-technology blockhain cluster cryptography dapps hyperledger hyperledger-fabric land landmanagement mongodb mongodb-database nodejs qrcode wallet

Last synced: 06 May 2026

https://github.com/akhilk07/zama-fhe

Explore detailed technical guides for the Zama FHE protocol. Set up your environment on Linux, Windows, or GitHub Codespace. 🚀💻

bounty bounty-program cli cryptography data-science fhe fully-homomorphic-encryption homomorphic-encryption machine-learning ppml privacy python rust sckiit-learn string tfhe zama

Last synced: 09 May 2026

https://github.com/qcrypt/qcrypt-website

QCrypt websites for 2025 edition and later. QCrypt is the yearly international scientific conference presenting last year’s top results in quantum cryptography.

academic-conference cryptography hugo qcrypt quantum website

Last synced: 11 Sep 2025

https://github.com/opifexm/cryptoanalyzer

Data encryption decryption program

cryptography encryption java maven

Last synced: 10 May 2026

https://github.com/t-bast/echalotte

Research on various onion encryption schemes.

cryptography onion onion-routing

Last synced: 12 May 2026

https://github.com/thesupercd/rainbow_table_builder

A high performance CUDA-based GPU accelerated Rainbow-Table maker, written in C++ without any external libraries or dependencies needed.

cpp cryptography cuda hash-table hashing parallel-processing rainbow-table sha3 sha3-512 uuid

Last synced: 12 May 2026

https://github.com/kota-yata/rsa

"TextBook" RSA from scratch in TypeScript

cryptography rsa typescript

Last synced: 11 Jun 2026

https://github.com/silent0wings/hybrid-caesar-cipher-encryption-system

EncryptionThe Hybrid Caesar Cipher Encryption System is a Java-based encryption tool that extends the classic Caesar cipher by incorporating multiple scrambling, shuffling, and shifting algorithms. This hybrid approach enhances the security of the encryption process.

caesar-cipher caesarcipher cipher cryptography cybersecurity data-protection data-security encryption hybrid-encryption information-security java security security-algorithm symmetric-encryption

Last synced: 12 Jun 2026

https://github.com/ar-io/ar-io-mlflow

MLflow plugin for verifiable ML provenance, anchored to ar.io

ar-io arweave cryptography mlflow mlops provenance verification

Last synced: 13 Jun 2026

https://github.com/manesioz/hill-cipher

Application of linear algebra to cryptography 🔐 encryption and decryption of text by a polygraphic substitution cipher

cryptography hill-cipher linear-algebra python

Last synced: 15 Jun 2026

https://github.com/rokatyy/skitala

skitala encoder/decoder (in progress)

crypto cryptography encoder-decoder skitala

Last synced: 15 Jun 2026

https://github.com/edycutjong/silo

🛡️ Zero-knowledge whistleblower drop shielding source identity inside secure enclaves.

cryptography express intel-tdx nextjs privacy tee verifiable-credentials whistleblower

Last synced: 21 Jun 2026

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/mokkunsuzuki-code/stage356

Stage356: Runtime Verification and Fail-Closed Execution Gate with Stage355 integrity binding, runtime decision enforcement, CI context detection, and PQC intent-only protection.

audit ci-cd cryptography cybersecurity evidence execution-gate fail-closed github-actions hash-chain integrity key-revocation key-status ml-dsa pqc qsp runtime-verification signature-verification supply-chain-security trust verification

Last synced: 23 Jun 2026

https://github.com/danielost/sp-box

S-box/p-box implementation

block-ciphers cryptography p-box s-box

Last synced: 12 Jul 2025

https://github.com/trinetra110/chronocrypt

ChronoCrypt is a powerful CLI-based encryption tool that allows users to create time-locked secure notes that self-destruct after a specified duration. It uses AES-256 encryption (CBC mode) to securely store sensitive information, ensuring that notes are unreadable beyond their expiry time.

cryptography cybersecurity-tools secure-delete

Last synced: 25 Jul 2025

https://github.com/minomy13/rsa

C++ code for en- and decrypting RSA.

cryptography decoding encoding rsa

Last synced: 13 Oct 2025

https://github.com/johanns/ref-secure-share

SecureShare is a tutorial and reference implementation of a one-time-use message sharing web-app, developed using Next.JS 14, TypeScript, Prisma, and styled with Tailwind CSS

cryptography next tailwindcss tutorial typescript webcrypto

Last synced: 05 Feb 2026

https://github.com/natthasath/demo-python-cryptography

Cryptography is the practice of securing communication through mathematical techniques, such as encryption, decryption, and key exchange.

asymmetric-cryptography cryptography decryption encryption poetry python symmetric-cryptography

Last synced: 18 Jun 2026

https://github.com/cartpauj/pure-js-sftp

Pure JS SFTP is a complete, drop-in replacement for existing SFTP libraries that works everywhere Node.js runs - no native dependencies, no compilation issues, no platform-specific headaches.

cryptography keys npm npm-package openssh purejs sftp signing signing-keys ssh ssh2-streams

Last synced: 28 Jun 2025

https://github.com/devansh-maurya/rsa-algorithm

An implementation of RSA encryption algorithm in Python using GMPY2 module

cryptography encryption gmpy gmpy2 python3 rsa rsa-algorithm rsa-encryption

Last synced: 23 Jul 2025

https://github.com/magical/spritz

Spritz cryptographic sponge(-like) function, hash, and stream cipher in Go

cryptography

Last synced: 14 Oct 2025

https://github.com/mechiuw/java_cryptography-algorithm

This is a basic algorithm for encryptions and decryptions using handmade algorithm logic using java.

basic-algorithms basic-programming caesar-cipher cipher-algorithms ciphers cryptography scripts

Last synced: 19 Jun 2026

https://github.com/bkawk/aes-256-cbc-pbkdf2-30k

Polymer2 Web Component for encrypting and decrypting a mnemonic to the CBC encryption mode of AES

aes-cbc cryptography pbkdf2 polymer2

Last synced: 24 Jan 2026

https://github.com/tankerhq/sdk-react-native

Tanker client-side encryption SDK for React-Native

cryptography encryption end-to-end privacy react-native sdk security tanker

Last synced: 18 Feb 2026

https://github.com/mizcausevic-dev/bls-attestation-broker

Multi-signer attestation broker using BLS12-381 aggregate signatures. N signatures collapse into one 96-byte aggregate verifiable in two pairings. Reference impl with textbook BLS; production should use blst.

agent-governance aggregate-signature ai-governance attestation bls bls12-381 cryptography platform-engineering rust

Last synced: 01 Jun 2026

https://github.com/mghorbani2357/necrypt

Necrypt uses AES and RSA to present strong encryption method. It generates new cipher for each encryption with the same RSA and AES key.

aes cryptography encryption-decryption file-encryption python python3 rsa

Last synced: 26 Jul 2025

https://github.com/theognis1002/password-generator-cli

A simple password generator CLI tool

cryptography python3

Last synced: 01 Jun 2026

https://github.com/tochy97/vaultfilestore

This is a application that lets users securly store an encrption of any file online. The files can then later be downloaded back to their original copy, or downloaded as a SHA256 hash.

cryptography hashlib python tkinter-python

Last synced: 11 Sep 2025

https://github.com/edycutjong/lethe

🌊 Autonomous right-to-erasure agent protecting PII via secure TEE enclaves and network egress blinding.

compliance cryptography gdpr intel-tdx nextjs privacy rust tee webassembly

Last synced: 21 Jun 2026

https://github.com/greydevv/sha-256

A C implementation of the 256-bit Secure Hash Algorithm (SHA-256).

binary bits c cryptocurrency cryptography sha256 sha256-hash

Last synced: 20 Oct 2025

https://github.com/shishirjindal/cryptopals

Matasano's Crypto Challenges in Python

cryptography matasano-cryptopals-challenges python

Last synced: 24 Feb 2025

https://github.com/25a0/authentication-sets

Code and statistics related to authentication sets.

cryptography merkle-hash-trees

Last synced: 22 Mar 2025

https://github.com/pymarcus/go_pemkeycertificate

Create a SSL certificate to test and local web development.

cryptography golang ssl-certificates

Last synced: 15 Sep 2025

https://github.com/projects-developer/top-40-python-projects-for-beginners-to-advanced

Python is a popular and versatile programming language that is widely used in various industries, including web development, data science, artificial intelligence, and more Top 40 Python Projects. Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

bca-project btech-project computer-science-projects computerscienceprojects cryptography final-year-projects finalyearprojects machine-learning malware-detection mca-project mtechprojects python-project python-projects web-development

Last synced: 04 Jan 2026

https://github.com/natharyan/secret-sharing-arithmetic-functions

Shamir's secret sharing with beaver's multiplication to generate shares of an arbitrary arithmetic function given by the user with two secret values as the variables

cryptography cryptography-project secret-sharing shamir-secret-sharing

Last synced: 22 Mar 2025

https://github.com/n1ckl0sk0rtge/unlinkablepseudonyms

A java package for using (un)linkable pseudonyms based on RSA.

cryptography encryption gdpr privacy pseudonymisation pseudonymization security

Last synced: 14 Oct 2025

https://github.com/z3ntl3/rsa-node

This repo represents what I've learned from cryptography RSA algorithm

cryptography cryptosystem rsa

Last synced: 03 Apr 2025

https://github.com/hasnainroopawalla/hashbase

A collection of cryptographic hashing algorithms implemented in Python

cryptography hash-functions hashing hashing-algorithms python

Last synced: 25 Oct 2025

https://github.com/jakubriegel/geffe-generator

Functional style implemented Geffe cryptographic stream generator

cryptographic-keys cryptography functional-programming geffe-generator scala tailrecursion university

Last synced: 27 Mar 2025

https://github.com/clats97/vigenerecracker

A simple python script that will crack the classical implementation of the Vigenere Cipher. It uses a word-list to brute force the correct key and NLTK to identify English words / sentences.

cipher cipher-algorithms ciphers cracking cryptography vigenere vigenere-cipher vigenere-cipher-algorithm

Last synced: 26 Oct 2025

https://github.com/nasriyasoftware/authcrypto

AuthCrypto is a versatile cryptographic toolkit for handling JSON Web Tokens (JWT), password hashing, and secure token generation and verification. It provides robust methods for creating and managing JWTs, hashing and verifying passwords with secure algorithms, and generating cryptographically strong random values for various use cases.

authentication cryptography encryption hashing hashing-library hashing-passwords jwt jwt-auth jwt-authentication jwt-token md5 sha1 sha256 sha512 token token-generator

Last synced: 20 Jan 2026

https://github.com/loneicewolf/qubes-pentesting

Research on Qubes security. Includes my Progress on My own Attacks on Qubes as well.

attack cryptography loneicewolf qubes

Last synced: 24 Jan 2026

https://github.com/telkomdev/jcrypsi

Custom crypto utility for Java Virtual Machine and Android (Digest, AES, HMAC, RSA, RSA Digital Signature)

aes android cryptography hash hmac java rsa

Last synced: 20 May 2026

https://github.com/joakimch/secure-password-scheme

Manage your passwords in a secure way (accessible to all your devices) without needing to store them anywhere or sync any data; since they're procedurally generated (on demand).

cryptography password-manager passwords security

Last synced: 22 Mar 2025

https://github.com/danielost/fips-140-3

FIPS (Federal Information Processing Standard) 140-3 benchmark for validating the effectiveness of RNGs.

cryptography fips-140-3

Last synced: 13 May 2025