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.
- GitHub: https://github.com/topics/cryptography
- Wikipedia: https://en.wikipedia.org/wiki/Cryptography
- Last updated: 2026-06-27 00:06:46 UTC
- JSON Representation
https://github.com/cullis-security/cullis
Trust infrastructure for AI agents across organizations. Verified identity, explicit authorization, cryptographic audit trail.
ai-agents api-gateway cryptography dpop e2e-encryption fastapi federated-identity iam mcp mtls multi-agent-systems pki python self-hosted spiffe trust-broker workload-identity zero-trust
Last synced: 13 May 2026
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/yunomiwell/nullwire
Encrypting messages is solved. Hiding that you sent one isn't — yet. NullWire: Loopix mixnet + X3DH/Double Ratchet E2E + Solana control plane. Pre-alpha. Whitepaper v0.3.
anonymous-communication blockchain cryptography double-ratchet loopix mixnet p2p post-quantum privacy rust solana sphinx x3dh zero-knowledge
Last synced: 27 Apr 2026
https://github.com/santiellena/cryptopals
My solutions to Cryptopals challenges (http://cryptopals.com/) written in Rust
cryptography rust-lang security
Last synced: 07 Jun 2026
https://github.com/161chihuahuas/equihash
⛏️ native equihash solver and verifier
client-puzzle cryptocurrency cryptography equihash khovratovich nodejs proof-of-work zcash
Last synced: 27 Apr 2026
https://github.com/cluena/password-manager
cryptography password-manager python
Last synced: 07 Jun 2026
https://github.com/televisionninja/caesar-cipher
Simple caesar cipher encrypting, decrypting, and brute forcing functions
brute-force caesar-cipher cryptography
Last synced: 28 Apr 2026
https://github.com/a-luna/dotnetcore-crypto
.NET Core 2.0 class library containing an implementation of SHA-3 hashing functions and file encryption methods which employ both AES and RSA algorithms to maximize data security and computational efficiency.
cryptography csharp dotnet-core dotnet-core2 dotnetcore encryption encryption-algorithms hashing sha3 sha3-224 sha3-256 sha3-384 sha3-512
Last synced: 28 Apr 2026
https://github.com/jayagra/turbid
aes-256 cryptography encryption macos swift
Last synced: 28 Apr 2026
https://github.com/lukechilds/og-zkp
Prove your Bitcoin OG status in zero-knowledge
bitcoin cryptography risc-zero risc0 risc0-zkvm zero-knowledge zkp
Last synced: 08 Jun 2026
https://github.com/suprim-corp/kit-backend-base-java
Reusable Java backend toolkit — UUID, JSON, crypto, exception, web & gRPC (dev.suprim)
backend cryptography exception-handling grpc java java-library json maven spring-boot utilities
Last synced: 24 Jun 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/cloudflareresearch/anonymous-credentials-agent-demo
Demo for Anonymous Credentials Token for Rate-Limiting Agents
Last synced: 29 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/aulanchik/decryptor
Code Cipher challenge
axios cryptography javascript nodejs
Last synced: 30 Apr 2026
https://github.com/loneicewolf/loneicewolf.github.io
my main site
blog cryptography speech-impairment stutter
Last synced: 03 Feb 2026
https://github.com/erik-castro/easy_enc
easy_enc.sh é uma ferramenta simples e eficiente para encriptação e decriptação de arquivos e dados utilizando OpenSSL, desenvolvida em Bash. Suporta criptografia com o algoritmo AES-256-CBC e permite a escolha entre salvar os resultados em arquivos ou imprimi-los diretamente na saída padrão.
aes-256 bash cli-tool command-line-tool cryptography cybersecurity data-encryption encryption file-encryption openssl pbkdf2 script security-tools shell-script simple-encrypt
Last synced: 01 May 2026
https://github.com/alle-bartoli/enigmatik
Secure password generator
cryptography enigma localhost password password-generator rust rustlang terminal terminal-app terminal-based
Last synced: 02 May 2026
https://github.com/nakedmcse/tscryptopals
TS Implementation of Cryptopals challenges
Last synced: 02 May 2026
https://github.com/aljazarifoundation/cryptography
Exploring Cryptography with JMeter
aes-encryption cryptography des-encryption-algorithm encoding jmeter jwt-token research-and-development security-automation sha256-hash
Last synced: 27 May 2026
https://github.com/cmangun/agentic-receipts
Standard receipts and trace semantics for verifiable agent execution
agentic-systems ai-governance cryptography provenance regulated-ai verifiable-ai
Last synced: 03 May 2026
https://github.com/duguorong009/ripemd-160-rs
Personal practice of implementing the RIPEMD-160 hash function
cryptography hash ripemd160 rust-lang
Last synced: 09 Jun 2026
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/fredrikaugust/wasm-bsgs
Baby-Step Giant-Step Discrete Logarithm Problem Solver in WebAssembly (Written in Rust)
cryptography discrete-logarithm rust wasm wasm-bindgen
Last synced: 04 May 2026
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/forest-chan/crypto-2025
Implementations of cryptographic algorithms for a university course with PHP
composer cryptography des-algorithm des-crypto des-decription des-encryption digitalsignature docker docker-compose md5-hash md5-hashing md5hashing php-unit php8 rsa-algorithm rsa-cryptography rsa-decryption rsa-encryption signature signature-verification
Last synced: 05 May 2026
https://github.com/systemslibrarian/crypto-lab-bitcoin-wallet
Browser-based Bitcoin wallet demo — real secp256k1 address derivation (P2PKH + P2WPKH), BIP-39 seed phrases, BIP-32 HD wallets. Validated against the official BIP test vectors. For learning, never real funds
address-derivation base58check bech32 bip32 bip39 bip44 bitcoin crypto-lab cryptography hash160 hd-wallet mnemonic secp256k1 seed-phrase
Last synced: 09 Jun 2026
https://github.com/romanian-solana-developer-program-c3/c3_comets_balea_lorena
This is a learning project for Comets of Web3's First Romanian Solana Developer Program.
anchor cryptography nfts rust solana tokens typescript web3
Last synced: 06 May 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/tegmentum/secure-log
Tamper-evident audit log for Rust: hash-chained entries, Merkle-sealed segments, externally-signed checkpoints, witness anti-equivocation, and AEAD payload sealing — native crates plus WASI Preview 2 components.
audit-log audit-logging component-model cryptography hash-chain merkle-tree rust security tamper-evident tpm transparency-log wasi wasm webassembly
Last synced: 25 Jun 2026
https://github.com/bylickilabs/typescriptpasswordgenerator
TypeScript Password Generator – Quick Start
auth cli command-line cryptography nodejs npm open-source password-generator random security strong-password tool typescript typescript-cli utility
Last synced: 07 May 2026
https://github.com/bdware/tendermint
⟁ Tendermint Core (BFT Consensus) in Go
bdware bft blockchain consensus consistency cryptocurrency cryptography db distributed-systems golang libp2p tendermint
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
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/diegoperea20/python-cryptography
Use of the python cryptography library to encrypt and decrypt messages symmetrically and asymmetrically, as well as giving digital assignments
asymetric cryptography encryption message python symetric uao
Last synced: 09 May 2026
https://github.com/prasunchakra/encipherx
A simple Django-based Caesar Cipher application demonstrating basic text encryption and decryption. Currently for learning fundamental cryptographic concepts, experimenting with shift-based ciphers, and later on building upon for more advanced encryption methods.
cipher cryptography django python
Last synced: 22 Nov 2025
https://github.com/rushikeshghuge-19/blockchain_django
A secure Blockchain-Based Voting System built with Django. It records votes on a custom blockchain for transparency and integrity, featuring user authentication, candidate management, and real-time vote tallying. The backend uses Django, with SQLite for data storage.
blockchain cryptography django proof-of-work python sha-256 sqlite voting-system webdevelopment
Last synced: 10 May 2026
https://github.com/maksmez/ids_update_vkr
Проект разработанный для автоматического обновления баз правил системы VipNet IDS.
cryptography logging python selenium smtplib sqlalchemy sqlite yattag
Last synced: 10 May 2026
https://github.com/omarbazaraa/security_des_mac
Implementation of DES and MAC algorithms.
authentication cryptography decryption des-cipher encryption mac security
Last synced: 10 May 2026
https://github.com/everyways/test-app-uniris
Uniris Angluar 11 init
angular blockchain cryptography transaction-chain uniris
Last synced: 10 May 2026
https://github.com/sebastiaan-gouman/ceasar_cypher
Simple Ceasar Cypher tool to encrypt, decrypt and brute force Ceasar's Cypher.
Last synced: 23 Mar 2025
https://github.com/cedi/cryptopals
http://cryptopals.com
challenge cryptography cryptopals
Last synced: 09 Apr 2025
https://gitlab.com/asn42/challenge_website_2017
ASN CTF website https://wargame2017.sansnom.org/
42 42born2code 42school Crackme asn association born2code challenge cryptography ctf hacker nuitduhack security sql steganography wargame
Last synced: 11 Mar 2025
https://github.com/future-rafay/data-encryption-app-python_streamlit
🔐 SecureVault is a Python-based project designed to provide robust encryption and decryption functionalities.
cryptography fernet-encryption hashing-passwords python
Last synced: 18 Jun 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/bmoneill/adfgvx
ADFGVX cipher encrypter/decrypter
adfgvx cipher cryptography html-css-javascript html5 webpage
Last synced: 06 Sep 2025
https://github.com/t-bast/echalotte
Research on various onion encryption schemes.
cryptography onion onion-routing
Last synced: 12 May 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/codlocker/cryptography_algos
Implementing different Cryptography Algorithms
Last synced: 08 Jan 2026
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/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/tigeryant/cryptopals-challenges
Solutions to the cryptopals cryptography challenges
coding-challenges cplusplus cryptography cryptopals
Last synced: 16 Jun 2026
https://github.com/typicalhog/randevu-ts
Universal Probabilistic Daily Reminder Coordination System for Anything
algorithms blake3 coordination cryptography daily datetime deterministic foss hash offline probability randevu random rdv rdvt reminders rendezvous ts typescript universal
Last synced: 19 Feb 2026
https://github.com/anivanchen/pycrypt
A series of standalone scripts built with Cryptography for encryption and decryption of files / strings.
Last synced: 11 Jun 2026
https://github.com/paulchen2713/aes
COM 5335 Network Security Assignment #2 - Advanced Encryption Standard (AES)
aes cryptography encryption matlab nthuee
Last synced: 16 Mar 2025
https://github.com/nathancordeiro/magic-box-cipher
The Magic-Box Cipher is my own inspiration drawn from the classical Caesar Cipher, the Playfair Cipher and the monoalphabetic substitution cipher. Do give it a try.
cipher cipher-algorithm cryptography
Last synced: 31 Mar 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/h0llyw00dzz/crypto-rand
Cryptographically secure random utilities
browser crypto cryptographic cryptographic-primitives cryptography cryptography-algorithms nodejs numbers-don-t-lie random random-numbers random-string secure security uuid
Last synced: 11 Mar 2026
https://github.com/erhant/fftype
Finite-field arithmetic within the type system.
cryptography elliptic-curves finite-fields polynomials types typescript
Last synced: 05 Oct 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/themaskedman981/sage-boolean-solver
Implementation of Boolean Arithmetic in SAGE math
Last synced: 30 May 2026
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/dpetrosy/encryptor-decryptor
My small project encryptor / decryptor written in Python.
algorithm console-application cryptography decoder encoder encoder-decoder encryption-decryption python python3
Last synced: 06 Oct 2025
https://github.com/ppad-tech/sha512
Pure Haskell SHA-512, HMAC-SHA512
cryptography hashing haskell sha2 sha512
Last synced: 23 Jun 2025
https://github.com/pmarreck/blip_mp
BLIP-storage arbitrary-precision integers in pure Zig. Beats GMP at i64 (1.95-2.66×) and common cryptographic mul (1.12-1.46×) on Apple Silicon. 8240 GMP cross-validation tests pass.
arbitrary-precision-integers bignum blip cryptography ffi gmp multi-precision zig
Last synced: 31 May 2026
https://github.com/bi-zone/ctfzone-2020-finals-littleknowledge
CTFZone 2020 Finals Crypto task LittleKnowledge
c cryptography ctf ctf-challenges docker libfuzzer python3
Last synced: 08 May 2026
https://github.com/robertmcatee/saigo
a simple encryption toolkit written in Go
Last synced: 14 Jan 2026
https://github.com/xandersteyn/rsa-timing-attack
A Python script demonstrating a timing attack on RSA decryption, recovering private key bits by analyzing execution time differences.
cryptographic-analysis cryptographic-attacks cryptography cybersecurity encryption ethical-hacking key-recovery multiprocessing penetration-testing python rsa rsa-key-attack security-research timing-attacks
Last synced: 16 Mar 2025
https://github.com/kaushalag29/cryptography
Basic Cipher Codes With Python.Deals With Encryption and Decryption.
books cryptography python-script python2-7
Last synced: 26 Oct 2025
https://github.com/mberry/bcrypter
Bcrypt in Rust.
bcrypt cryptography hashing passwords
Last synced: 08 Oct 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/ndpar/spring-crypto-demo
Examples of crypto operations in Kotlin and Spring
bouncycastle cryptography openssl spring
Last synced: 12 Mar 2026
https://github.com/kzorin52/nistp256
Rust dylib wrapper to RustCrypto/elliptic-curves [only keypair]
crypto cryptography elliptic-curves keypairs nistp256 perfomance secp256r1
Last synced: 08 Oct 2025
https://github.com/daimdn/cryptography-messageencryption
Brief tutorial of Cryptography. Based on previous solutions. Can be used along for sending messages
Last synced: 06 Sep 2025
https://github.com/prasunchakra/EncipherX
A simple Django-based Caesar Cipher application demonstrating basic text encryption and decryption. Currently for learning fundamental cryptographic concepts, experimenting with shift-based ciphers, and later on building upon for more advanced encryption methods.
cipher cryptography django python
Last synced: 16 Sep 2025
https://github.com/farahsedd/secure-authentication-project
This project focuses on creating a reliable authentication and network services infrastructure using OpenLDAP, SSH, Apache, OpenVPN, DNS, and Kerberos.
apache authentication cryptography dns infrastructure kerberos network-security openldap openvpn ssh
Last synced: 08 Jan 2026
https://github.com/h0llyw00dzz/ocsp-fiber
This PKIX OCSP Fiber Framework
advanced cryptography go idiomatic-go restful-api security
Last synced: 29 May 2026
https://github.com/corocoto/asymmetric-cryptography-encrypt-decript-message
Encrypt/decrypt message via using public & private key pair
asymmetric-cryptography cryptography decrypt encrypt rsa-algorithm
Last synced: 09 Oct 2025
https://github.com/cepdnaclk/e16-4yp-implementation-of-lightweight-cryptographic-algorithms
This project aims to implement and analyse NIST Lightweight cryptography competition finalist algorithms. Lightweight cryptographic algorithms are designed to be run on resource-constrained IoT devices.
computer-security cryptography iot
Last synced: 14 May 2026
https://github.com/k2/stylometrics
Stylometric Stenography LLM Generation Attribution DRM/DLP
content-attribution content-security content-verification cryptography data-embedding data-loss-prevention digital-rights-management digital-watermarking fingerprinting information-security linguistic-steganography metadata plausible-deniability steganography structural-encoding stylometry text-analysis typescript zero-width-characters
Last synced: 09 Apr 2025
https://github.com/hrvadl/security
Security (cryptography) labs
cipher cryptography encryption encryption-decryption golang rsa security signature
Last synced: 25 Mar 2025
https://github.com/projects-developer/top-cryptography-projects-with-source-code
Cryptography is the practice and study of techniques for secure communication by transforming plaintext. Top 10 Cryptography Projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials
aes-communication-security b-techprojects bca-projects communication computer-science-projects computerscienceprojects cryptography diffie-hellman-key-exchange final-year-projects finalyearprojects gif-malware-project m-techprojects mca-projects steganography super-cipher-projects triple-des-projects
Last synced: 07 Jan 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/yashkarthik/zipfile_passw_cracker
Crack the password of a zip file from a wordlist.
cryptography password-cracker python zipfile
Last synced: 10 Oct 2025
https://github.com/anonymouse64/crypto_test_golang
Crypto testing utility for Golang implementations
Last synced: 14 Jan 2026
https://github.com/shanthanu9/cryptopals-solutions
Solutions for Matasano Cryptopals challenges
cryptography cryptopals-challenges
Last synced: 12 Jun 2025
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/vveiln/crypto
Implementations of some crypto attacks
attack crypto crypto-attacks cryptography golang rsa
Last synced: 14 Jan 2026
https://github.com/krdevanshu06/steganography-app
This project is a steganography tool that allows users to hide and extract secret messages within images using Least Significant Bit (LSB) encoding. The tool provides a user-friendly Streamlit UI for seamless encoding and decoding of messages.
cryptography data-security image-processing lsb-encoding python steganography streamlit
Last synced: 18 Apr 2026
https://github.com/paulshpilsher/genrsa
RSA keys generator written in Go
cryptography go pem publickey rsa
Last synced: 03 Nov 2025
https://github.com/adrianklessa/aes
A simple, educational implementation of AES w/ CBC mode of operation
aes aes-encryption cbc-mode cryptography pkcs7 polynomials toy-project
Last synced: 12 Oct 2025
https://github.com/4lessandrodev/saas-cryptography
a small project to test encryption as a service with nodejs
Last synced: 13 Jun 2026
https://github.com/c14it0n/torgeforge
🔥 Generador de alto rendimiento de direcciones .onion v3 personalizadas para Tor con interfaz interactiva
cli-tool cryptography ed25519 hidden-service onion privacy rust security tor vanity-address
Last synced: 13 Jun 2026
https://github.com/alex-snd/vigener
🔓 The project is intended for convenient key recovery from the ciphertext obtained using the Vigenère cipher.
Last synced: 29 May 2026
