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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/twilight-dream-of-magic/titanwallciphersspecification

TitanWall Stream Cipher & TitanWall Block Cipher Alogrithm Specification By Twilight-Dream

blockcipher cpp20 cryptography rc6 rc6-plus stream-cipher

Last synced: 09 Jun 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/armintamzarian/aenigma

User-friendly AngularJS encryption module utilizing the Web Cryptography API and providing an extensible secure secret storage mechanism.

angularjs cryptography localstorage webcrypto

Last synced: 05 May 2026

https://github.com/systemslibrarian/crypto-lab-key-exchange

Browser-based key-exchange evolution — DH → ECDH → X25519 → ML-KEM → hybrid. Live discrete-log attack on toy DH, real elliptic-curve point arithmetic, and the jump from shared-exponent to encapsulation. The same idea, five generations

crypto-lab cryptography diffie-hellman ecdh hybrid-key-exchange key-exchange ml-kem post-quantum-cryptography x25519

Last synced: 09 Jun 2026

https://github.com/systemslibrarian/crypto-lab-ssh-handshake

Browser-based SSH handshake demo — real X25519 ECDH key exchange authenticated by an Ed25519 host key, known_hosts Trust-On-First-Use, MITM detection on host-key change. First contact is a leap of faith

crypto-lab cryptography ecdh ed25519 forward-secrecy host-key key-exchange known-hosts mitm ssh tofu trust-model trust-on-first-use x25519

Last synced: 09 Jun 2026

https://github.com/systemslibrarian/crypto-lab-opaque-gate

Browser-based OPAQUE aPAKE demo (RFC 9807, July 2025) — OPRF blind/evaluate/unblind, AES-256-GCM credential envelope, 3DH mutual authentication, server breach simulation. The password never touches the server. No backends. No simulated math.

3dh authenticated-key-exchange crypto-lab cryptography forward-secrecy opaque oprf pake password-authentication rfc9807

Last synced: 09 Jun 2026

https://github.com/systemslibrarian/crypto-lab-webauthn

rowser-based WebAuthn/Passkeys demo — real ECDSA P-256 credential keys, challenge-response assertions signing origin+challenge+counter, phishing/replay/clone attacks all blocked. The private key never leaves the authenticator

authentication challenge-response crypto-lab cryptography ctap ecdsa fido2 p256 passkeys passwordless phishing-resistant webauthn

Last synced: 09 Jun 2026

https://github.com/synpareia/trust-mcp

Identity and trust tools for AI agents — MCP server

agent-trust ai-agents cryptography did identity mcp mcp-server python trust verification

Last synced: 06 May 2026

https://github.com/shazeus/passforge

Secure password and secret generator — passwords, passphrases, PINs, tokens, and strength analysis

cli cryptography entropy hibp passphrase password-generator passwords pyperclip python secrets security terminal

Last synced: 09 Jun 2026

https://github.com/selvam-18/riverside-hospitals

Final Sem project in the field of Cyber Security

aes-256 cryptography ejs javascript medical-field npm rsa

Last synced: 06 May 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/nickylogan/kryptograf

A POC of encryption algorithms

cryptography javascript reactjs

Last synced: 07 May 2026

https://github.com/usman619/info-security

Some attacks that are possible on encryption techniques.

cryptography encryption encryption-decryption rsa

Last synced: 10 Jun 2026

https://github.com/tchello45/nimbus-encryption

An e2ee toolkit for the web in early stage development

cryptography rust wasm

Last synced: 08 May 2026

https://github.com/hemanthh17/da-1-crytograghy-vit

Digital Assignment for Crytography and Network Security Assignment

cryptography flask python3 vignere-cipher

Last synced: 08 May 2026

https://github.com/tatemsoft/cryptr

A simple shell utility for encrypting and decrypting files using OpenSSL.

aes-256 aes-encryption bash bash-script cryptography decryption encryption openssl shell-script

Last synced: 08 May 2026

https://github.com/primetdmomega/bay-cracker

A set of tools for encryption, decryption of messages and to create new cyphers !

cryptography decryption encryption

Last synced: 25 Mar 2025

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

Offline password manager with encrypted local storage and user-friendly interface using python.

aes cryptography desktop-app encryption foss-password-app gui offline open-source password-manager python python-gui-password-manager security tkinter

Last synced: 06 Jul 2025

https://github.com/rani-abha/cryptography_algorithms

In this repository, I've gathered a collection of cryptographic algorithms that I've learned during my college years and implemented for both learning and practical purposes.

algorithms blacklist cipher-algorithms cryptography digitalsignature firewall-rules playfair-cipher sha1-hash whitelist

Last synced: 06 Jul 2025

https://github.com/trinhminhtriet/vault

🔐 Decrypt and manage encrypted data with a CLI tool built using Go and Cobra framework.

cli cryptography decryption encryption go rsa security

Last synced: 09 Apr 2025

https://github.com/thor314/cryptography

cryptographic projects I've worked on

cryptography

Last synced: 12 Jan 2026

https://github.com/csharper63/server_encryption_file_system

This repository contains a server that use symmetric encryption to encrypt user files/folders and asymmetric encryption to share files/folders among users.

asymmetric-cryptography cryptography end-to-end-encryption symmetric-cryptography

Last synced: 19 Jan 2026

https://github.com/heyIsaac/TaskManager

😎🔎 A complete CRUD API for task management, an advanced level challenge proposed by DIO.me in its bootcamp with Avanade, currently has authentication with JWT token and much more (✿◕‿◕✿)

authentication-backend bootcamp-project consuming-api cryptography csharp dotnet entity-framework-core git jwt-authentication microsoft-identity minimal-api refit

Last synced: 24 Feb 2026

https://github.com/madliani/caesar-cipher

The Caesar's Cipher Encoder and Decoder

caesar-cipher cryptography ruby

Last synced: 01 Mar 2025

https://github.com/arpit-omprakash/cryptex-tools

An educational cryptography toolkit written in Python, designed for learners and hobbyists. It demonstrates classical ciphers, basic cryptanalysis tools, and allows users to experiment with encryption and decryption via a simple command-line interface (CLI).

cipher-algorithms cryptography encryption-decryption python

Last synced: 13 Jun 2025

https://github.com/rstacks/downunderctf2024-writeup

Writeups for the challenges I attempted at DownUnderCTF 2024.

cryptography ctf ctf-writeups forensics osint reverse-engineering web-exploitation

Last synced: 13 Apr 2026

https://github.com/tdiprima/cryptography

Testing crypto.js

cryptography nodejs

Last synced: 25 Oct 2025

https://github.com/4l13nh4ck3r/base64

Here are 2 simple Python Scripts that can easily encrypt a string of text, or decrypt a Base64 string.

base64 cryptography decryption encryption encryption-decryption python python-script python2

Last synced: 15 Mar 2026

https://github.com/holasoymas/rsha

A sha256 hashing library implementation in rust

cryptography hashing rust rust-library sha256

Last synced: 25 Oct 2025

https://github.com/altonen/emissary

Rust implementation of the I2P protocol stack

anonymity cryptography i2p networking peer-to-peer rust

Last synced: 04 Feb 2026

https://github.com/mfridman/cryptopals

My solutions for http://cryptopals.com, written entirely in Go, sprinkled with concurrency

cryptography cryptopals go golang

Last synced: 16 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/raffadndm/qbot

Telegram bot in Python

barcode-scanner cryptography python qrcode

Last synced: 05 Sep 2025

https://github.com/bwesterb/germain

Counts safe primes

cryptography estimate germain safe-prime

Last synced: 31 Mar 2025

https://github.com/abhayagiri/raho

Python module for simple symmetric encryption built on cryptography

cryptography fernet python python2 python3

Last synced: 25 Mar 2025

https://github.com/vkweb/digital-signature-system

Millions of future coders will learn Cryptography via this project in the upcoming project-based version of freeCodeCamp.org

cryptography digital-signature freecodecamp-upcoming-curriculum public-key-cryptography rsa

Last synced: 24 Jan 2026

https://github.com/csharper63/client_encryption_file_system

This repository contains a client that interacts with a server API to create account, upload/share files and folders with other users with E2EE.

authentication cryptography drive end-to-end-encryption

Last synced: 06 Feb 2026

https://github.com/dhruvsrikanth/communication-and-encryption-between-different-networks

A project a classmate and I undertook to better understand and develop end-to-end encryption between a client and server on a vulnerable network!

computer-networks cryptography decryption encryption end-to-end-encryption networks python

Last synced: 23 Apr 2025

https://github.com/hazae41/sha1

SHA-1 adapter for WebAssembly and JS implementations

browser cryptography hashing javascript noble sha1 typescript webassembly

Last synced: 16 Mar 2026

https://github.com/diegodromer/guardara

Guardara – Seu cofre digital inteligente. De senhas “fortinhas” a criptografia de dar inveja a espião da CIA. 🔐

cloud-security cryptography dart encryption firebase flutter hive mobile mobile-app mvvm open-source password-generator password-manager secure-storage tfa two-factor-authentication

Last synced: 01 May 2026

https://github.com/badvibessz/bankingclientserverapp

Client server websocket banking app with GUI

banking client-server cryptography gui json websocket

Last synced: 15 Apr 2026

https://github.com/casper64/hai

The 100% console based messaging program using the cryptography library in python; a project I made for my cryptograpghy course.

cryptography python sockets

Last synced: 19 Apr 2026

https://github.com/alex-snd/vigener

🔓 The project is intended for convenient key recovery from the ciphertext obtained using the Vigenère cipher.

cryptography

Last synced: 29 May 2026

https://github.com/kcbojanowski/cryptographyappproject

App that helps you deal with classical algorithms of cryptography as well as RSA algorithm and Shamir's Secret Sharing Scheme.

cryptography python3

Last synced: 16 Mar 2025

https://github.com/frostbyte012/cryptography-network-security-lab-assignment-nit-sikkim

This repo is all about the cryptography techniques that we use in our daily lives

cryptography encryption-algorithms encryption-decryption network-security python3

Last synced: 26 Jun 2025

https://github.com/sambhu431/salt-based-encryption-and-decryption

Securely encrypt and decrypt files and folders using salt-based, password-protected methods. Protect your data from hacking, leakage, and theft.

cryptography datasecurity decryption encryption encryption-decryption fernet fernet-cryptography fernet-decryption fernet-encryption fernet-key pbkdf2 pbkdf2-hmac pythonen salt security

Last synced: 09 Apr 2025

https://github.com/hashlag/genc

Command line file encryption tool in GoLang

cryptography golang

Last synced: 12 Jul 2025

https://github.com/eroydev/bip39-rusty

Rust library for BIP-39 mnemonic system

bip39 bitcoin cryptocurrency cryptography rust

Last synced: 22 Feb 2026

https://github.com/yehezkiel1086/crypto-docs

Everything about Cryptography mainly written in Python and Shell scripts

bash cryptography ctf python3 security shell

Last synced: 15 Apr 2026

https://github.com/pryority/merkle-next

WIP - I wanted to remake the example website from the Merkletree.js repo in Next.js

cryptography ethereum merkletreejs nextjs react tailwindcss

Last synced: 12 Apr 2026

https://github.com/platocrat/uiuc_token

The official token/cryptocurrency of The University of Illinois at Urbana-Champaign.

blockchain cryptocurrency cryptography ethereum smart-contracts solidity token truffle-framework uiuc

Last synced: 09 May 2026

https://github.com/yeshan333/python-cryptography-coding

Classic encryption algorithm: Python implementation

cryptography python

Last synced: 21 Mar 2025

https://github.com/nvnx7/cryptopals-cryptography-cracks

Rust implementation of cracks of cryptopals challenges

challenge crypto cryptography rust

Last synced: 22 Dec 2025

https://github.com/aws/amazon-s3-encryption-client-python

Client-side encryption for S3 using the boto3 SDK

aws aws-s3 boto3 client-side-encryption cryptography s3

Last synced: 29 May 2026

https://github.com/m-torhan/securechat

Secure chat using double ratchet algorithm.

cryptography python

Last synced: 25 Feb 2026

https://github.com/egrace479/asymmetric-cloning-bb84

Continuation of QuForce Innovation Fellows Project to implement asymmetric cloning to eavesdrop on the BB84 protocol.

bb84 bb84-protocol cryptography ionq qkd qkd-protocol quantum-computing

Last synced: 18 Jan 2026

https://github.com/ia/crypto

crypto means cryptography

base64 challenges cryptography perl xor

Last synced: 11 Feb 2026

https://github.com/debugagrawal/221b

A thriller mystery game where you have to find hidden clues and messages in each level and try to decrypt them to move to next levels "So Let's Ignite your Detective minds and help SHERLOCK"

ciphers console-game cryptography puzzle

Last synced: 08 Feb 2026

https://github.com/advaith7joshi/project-nexus

Simplified demonstration of blockchain workflow

blockchain blockchain-technology crypto cryptocurrency cryptography finance

Last synced: 12 Jun 2025

https://github.com/systemslibrarian/crypto-lab-mpcith-sign

Browser-based MPC-in-the-Head signature demo — additive secret sharing, SHA-256 commitments, Merkle proofs, Fiat-Shamir transform, N-party simulation with hidden-view challenge, toy PERK permutation witness. Post-quantum signatures from hash functions alone. NIST Round 2: Mirath, PERK, FAEST. No backends. No simulated math.

crypto-lab cryptography digital-signatures fiat-shamir mirath mpc-in-the-head perk permuted-kernel-problem post-quantum secret-sharing zero-knowledge

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-grover

Browser-based Grover's algorithm simulation — amplitude amplification, oracle phase kickback, inversion-about-mean diffusion, probability oscillation. AES-128 weakened to 2^64. AES-256 survives at 2^128. The fix is doubling key length. No backends. No simulated shortcuts.

aes amplitude-amplification browser-demo crypto-lab cryptography grovers-algorithm post-quantum quantum-computing symmetric-cryptography

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-lms-xmss

Browser-based Leighton-Micali Signatures (LMS) and Hierarchical Signature System (HSS) demo per RFC 8554 and NIST SP 800-208. LM-OTS + Merkle trees + two-level HSS, with the state-management story told honestly.

crypto-lab cryptography digital-signatures hash-based-cryptography hash-based-signatures hierarchical-signature-system hss leighton-micali-signatures lm-ots lms merkle-signatures merkle-tree nist-sp-800-208 post-quantum-cryptography rfc-8554 sha-256 stateful-signatures winternitz xmss

Last synced: 01 Jun 2026

https://github.com/lepresk/pki-infrastructure

Three-tier PKI in Node.js — Root CA, Intermediate CA, signing certificates, chain verification, and document signing

certificate-authority cryptography nodejs pki typescript x509

Last synced: 16 Jun 2026

https://github.com/systemslibrarian/crypto-lab-bike-vault

Browser-based BIKE demo — code-based post-quantum KEM using QC-MDPC codes, Black-Gray-Flip decoding, and side-by-side comparison against ML-KEM. NIST Round 4 alternate candidate. No backends. No simulated math.

aes-256-gcm bike bit-flipping browser code-based crypto-lab cryptography kem nist post-quantum pqc qc-mdpc round4 typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-kdf-chain

Browser-based KDF demo — HKDF, PBKDF2, scrypt, and Argon2id compared side by side with live parameter tuning, real timing measurements, and a KDF decision tree. No backends. No simulated math.

argon2 argon2id browser crypto-lab cryptography hkdf kdf key-derivation memory-hard owasp password-hashing pbkdf2 scrypt typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-mac-race

Browser-based MAC demo — HMAC, CMAC, Poly1305, and GHASH compared with live length extension attack, timing attack, and nonce reuse demonstrations. Real WebCrypto operations. No backends. No simulated math.

aes-gcm amc browser cmac crypto-lab cryptography ghash hmac length-extension-attack message-authentication nist poly1305 timing-attack typescript vite

Last synced: 01 Jun 2026

https://github.com/1-5pool/jmessage-security-project

JMessage: Encrypted Messaging System with Security Analysis This project implements an end-to-end encrypted messaging system using ECDH, ChaCha20, and ECDSA. It also demonstrates a padding oracle attack, showcasing both secure system design and vulnerability exploitation techniques.

chat-application cryptography end-to-end-encryption golang padding-oracle-attacks

Last synced: 08 Feb 2026

https://github.com/systemslibrarian/crypto-lab-babel-hash

Browser-based demo of cryptographic hash functions — SHA-256, SHA3-256, and BLAKE3. Live avalanche effect visualizer, length extension attack against SHA-256, and why HMAC exists. Hash functions are the silent foundation of every other primitive.

avalanche-effect blake3 browser-demo crypto-compare cryptography hash-functions hmac keccak length-extension-attack merkle-damgard nist-fips-180-4 nist-fips-202 sha-256 sha3-256 typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-format-ward

Browser-based format-preserving encryption demo — FF1 and FF3-1 live tokenization of credit cards, SSNs, and phone numbers. Real AES-256 Feistel rounds. No backends. No simulated math.

aes-256 browser crypto-lab cryptography data-masking feistel ff1 ff3 format-preserving-encryption fpe nist pci-dss tokenization typescript vite

Last synced: 01 Jun 2026

https://github.com/besoeasy/signature-login

Signature Login - Signature-Based Authentication

authentication cryptography secp256k1

Last synced: 20 Jan 2026

https://github.com/systemslibrarian/crypto-lab-psi-gate

Browser-based Private Set Intersection demo implementing classic DH-PSI (Meadows 1986, Huberman-Franklin-Hogg 1999) over ristretto255 with RFC 9380 hash-to-curve. The primitive behind Signal contact discovery and Apple password monitoring.

contact-discovery crypto-lab cryptography ddh dh-psi diffie-hellman hash-to-curve noble-curves privacy-preserving private-set-intersection psi rfc-9380 ristretto255 secure-computation secure-multi-party-computation secure-two-party-computation signal-protocol

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-sphincs-ledger

Browser-based demo of SLH-DSA (SPHINCS+), a hash-based post-quantum digital signature scheme standardized as NIST FIPS 205

browser-demo crypto-lab cryptography digital-signatures hash-based-signatures javascript nist-fips-205 post-quantum-cryptography slh-dsa sphincs-plus

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-lattice-fault

Browser-based lattice PQC implementation attack demo — NTT power analysis (ML-KEM CPA), rejection sampling fault bypass (ML-DSA key recovery), KyberSlash timing side-channel, faulty KECCAK seed injection. Mathematical security ≠ implementation security. No backends. Simulated attacks.

crypto-lab cryptography dilithium fault-injection kyber kyberslash ml-dsa ml-kem ntt post-quantum power-analysis side-channel timing-attack

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-blind-oracle-api

Browser-based Rust + Axum + TFHE-rs backend for crypto-lab-blind-oracle — gate-bootstrapped homomorphic addition on FheUint8 ciphertexts. Holds only a ServerKey. Cannot decrypt its own output.

axum crypto-lab cryptography fhe homomorphic-encryption privacy rust tfhe webassembly

Last synced: 01 Jun 2026

https://github.com/iphydf/toxcore

Fork of toxcore that's not a github fork

cryptography encryption network p2p security toxcore

Last synced: 18 Apr 2026

https://github.com/salrashid123/ocicrypt-tpm-keyprovider

OCICrypt provider for Trusted Platform Modules (TPM)

cncf containers cryptography encryption oci trusted-platform-module

Last synced: 16 Mar 2025

https://github.com/edoars/public-key-crypto-notes

LaTeX notes (in italian) for the undergraduate Public-key Cryptography course at University of Roma Tre

cryptography latex-notes math notes public-key-cryptography

Last synced: 10 Feb 2026

https://github.com/daisvke/dcrypt

dcrypt is a file encryption/decryption tool that adds a custom header to encrypted files, storing essential metadata for decryption and management of the encrypted content.

aes-128-cbc c cryptography encryption-decryption keygen

Last synced: 25 Mar 2025

https://github.com/yurykozhenov/infosec

University Information Security tasks

cryptography infosec security

Last synced: 31 Aug 2025

https://github.com/gkbrk/r30sponge.h

Sponge function based on the Rule 30 Cellular Automaton

c c89 c99 cryptography stb stb-library

Last synced: 24 Mar 2025

https://github.com/t-bast/black-mango

An IBE implementation using Akka

akka cryptography

Last synced: 27 Feb 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