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: 2026-07-03 00:07:02 UTC
- JSON Representation
https://github.com/rbourgeat/miniblockchain
🔗 A simple Blockchain
blockchain c-plus-plus cryptography
Last synced: 08 Apr 2025
https://github.com/code-architect/custom-php-blockchain
Blockchain structure using PHP, has a full blockchain structure for demo purposes
blockchain-demos cryptography curl curl-commands flask-restful hashing merkle-root php-cli proof-of-concept proof-of-work rest-api
Last synced: 02 May 2026
https://github.com/mthaler/hasher
Command line tool to create a hash from a given text
command-line-tool cryptography golang hash hashing sha1 sha256
Last synced: 09 Apr 2025
https://github.com/denatajp/caesar-chiper
Implementation of Caesar Chiper in encrypts and decrypts text by shifting letters by a user-defined value. It takes input text and a shift value, applies the shift to encrypt, and reverses the shift to decrypt. The program demonstrates basic encryption and decryption using this simple technique.
caesar-cipher chiper cryptography
Last synced: 01 Jul 2026
https://github.com/ivanstambuk/openauth-sim
Authentication protocol simulator in Java 17 covering OATH HOTP/TOTP/OCRA, FIDO2/WebAuthn, EMV/CAP, and EUDI wallet/OpenID4VP
authentication cap cryptography emv eudi-wallet fido2 java oath ocra otp simulator webauthn
Last synced: 14 Jan 2026
https://github.com/tankerhq/identity-ruby
Identity management in Ruby for the Tanker SDK
cryptography encryption privacy ruby sdk security tanker
Last synced: 09 Aug 2025
https://github.com/denisbytes/zig-jks
Pure Zig implementation of Java KeyStore (JKS) encoder/decoder. Read/write JKS files with zero dependencies. Compatible with Java's keytool.
certificate cryptography java-keystore jks keystore security zig
Last synced: 19 Jun 2026
https://github.com/mkorolyov/crypt
crypt
aes-encryption crypto cryptography go golang hashing hybrid-cryptography rsa-key-encryption
Last synced: 26 Jan 2026
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/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/mochafreddo/bcrypt-benchmark
This project is designed to benchmark the performance of bcrypt hashing at different salt rounds. It helps in determining the optimal number of rounds for hashing passwords, balancing security and performance.
authentication bcrypt benchmark cryptography hashing-algorithm nodejs nodejs-security password-hashing performance-testing security
Last synced: 12 Apr 2026
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/phma/wringtwistree.jl
Whole-message cipher and tree hash, Julia implementation
cipher-algorithm cryptography hashing-algorithm
Last synced: 18 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/i2rys/diffiequantum
Diffie Hellman merged with HQC.
cryptography diffie-hellman hqc merge pqc
Last synced: 05 Sep 2025
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/praths71018/django_and_rest_framework_fundamentals_hospitalmanagement
A comprehensive Hospital Management System which is built using Django and Django Rest Framework
api-rest apm authentication authorization bitbucket cryptography django django-celery django-celery-beat django-rest-framework django-signals encryption-decryption middlware mysql newrelic redis unit-testing
Last synced: 13 Apr 2026
https://github.com/arjav0703/anonytalk
A string Encryptor/Decryptor
crypto cryptography encryption encryption-decryption fernet fernet-algorithm fernet-cryptography fernet-encryption gui-application python python-3 python3 tkinter tkinter-gui tkinter-python
Last synced: 30 Sep 2025
https://github.com/khanhtran0111/Secure-file-encryption-tool
Implement a program to encrypt and decrypt files securely
chacha20 cpp17 cryptography encryption-decryption python3
Last synced: 29 Jun 2026
https://github.com/shanthanu9/cryptopals-solutions
Solutions for Matasano Cryptopals challenges
cryptography cryptopals-challenges
Last synced: 12 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/arvid-berndtsson/typesecure
A focused TypeScript cryptography package that provides secure encryption and hashing utilities with strong typing and runtime validation using Zod.
cryptography cybersecurity encryption hashing password security typesafe typescript zod
Last synced: 19 Feb 2026
https://github.com/francislauriano/chatsoftex
Plataforma desenvolvida em Python que visa automatizar e agilizar o processo de avaliação de projetos de inovação tecnológica, utilizando inteligência artificial e critérios padronizados com base na Lei do Bem.
cryptography fernet firebase flask flask-jwt-extended hugging-face-transformers numpy openai pdfplumber postgresql pyjwt pymupdf-fitz pypdf2 python pytorch scikit-learn scipy spacy sqlalchemy tensorflow
Last synced: 03 Apr 2026
https://github.com/danielost/ecpoint-wrappers
Convenient wrappers for operations on elliptic curves in Golang.
cryptography ecc elliptic-curves
Last synced: 06 Oct 2025
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/ya2ir/sha1
SHA-1 in Golang
cryptography hashing-algorithm hashing-algorithms sha-1 sha-1-hash
Last synced: 08 Oct 2025
https://github.com/keyweeusr/elchacha
ChaCha20 implementation as per RFC7539
chacha20 cryptography cryptography-algorithms elisp emacs rfc7539
Last synced: 08 Oct 2025
https://github.com/russibc/vigenere-cipher
A simple implementation of Vigenère Cipher.
cryptography practice python vigenere
Last synced: 26 May 2026
https://github.com/raffadndm/qbot
Telegram bot in Python
barcode-scanner cryptography python qrcode
Last synced: 05 Sep 2025
https://github.com/timyiu478/cryptography-i
Cryptography I: foundational cryptographic principles and primitives course by Dan Boneh, Stanford University
aes-encryption cryptography protocol rsa-cryptography security
Last synced: 29 Jun 2026
https://github.com/andezion/retromessenger
ciphers cpp cryptography messenger retro wxwidgets
Last synced: 16 Jan 2026
https://github.com/flucium/cck
cross crypto kit
cryptography rust rust-lang security security-tools
Last synced: 28 Jun 2025
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/deadkennedyx/niebla-158
BIP-158 - Compact Block Filters
bip157 bip158 blockchain btc btc-wallet crypto cryptocurrency cryptography privacy-enhancing-technologies
Last synced: 20 Jan 2026
https://github.com/josh0wah/rsa-file-ecryption-with-go
Encrypt a message using RSA in Go
cryptography cybersecurity encryption go golang rsa
Last synced: 09 Oct 2025
https://github.com/yanicksenn/ssh-keygen-seeded
Small tool to generate seeded ssh keypairs.
Last synced: 31 Aug 2025
https://github.com/panagiotiskotsorgios/enigma-machine-simulator
A C-based simulation of the Enigma machine encryption process
c cryptography encryption encryption-algorithms encryption-decryption enigma enigma-machine enigma-simulator history
Last synced: 04 Jul 2025
https://github.com/cythral/identity-certificates
Signing Certificate Rotation Service for Brighid Identity.
Last synced: 14 Apr 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/basedwon/crpdo
A unified cryptographic library integrating diverse modules to provide robust and versatile cryptographic solutions for Node.js and the browser.
cryptography encryption hashing tweetnacl
Last synced: 29 Aug 2025
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/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/aditya-giri/cryptopals
My solutions to the Matasano Challenges in Cryptography.
cryptography cryptopals matasano matasano-cryptopals-challenges
Last synced: 19 Sep 2025
https://github.com/fandigunawan/mtls-pkcs11
MTLS using PKCS#11
cryptography mtls mtls-request pkcs11 smart-card
Last synced: 04 Jul 2025
https://github.com/gabrielmajeri/crypto-data-structures
Data structures in Rust for cryptocurrencies and blockchain-related technologies
blockchain cryptocurrency cryptography merkle-tree
Last synced: 08 Apr 2025
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/nullisxyz/apdu
Primitives for smart card interactions in Rust
apdu cryptography keycard rust smartcard
Last synced: 31 Mar 2025
https://github.com/gabrielmajeri/pp-project
Procedural programming project for winter 2018 course
c cryptography pattern-matching
Last synced: 08 Apr 2025
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/moviet/php-encryption
Crypsic - A speed metal encryption library for php
aes-cipher cryptography decryption encryption encryption-library password-hash standalone symmetric-encryption
Last synced: 20 Feb 2026
https://github.com/mutkuensert/androidsignatureexample
An example Android app for generating key pairs in trusted execution environment to sign data requiring biometric authentication using Android keystore.
android androidkeystore biometric-authentication cryptography digital-signature digital-signature-algorithm dsa-algorithm ecdsa elliptic-curve keypair keystore secure-enclave security tee trusted-execution-environment
Last synced: 01 May 2026
https://github.com/yoannchb-pro/private-html
PrivateHTML | Make the user access your page with a key
Last synced: 23 Aug 2025
https://github.com/raadhshenshahhaseeb/keyless
[WIP] Encode - Explore Expander Bootcamp - Keyless Hackathon
Last synced: 11 Oct 2025
https://github.com/im-a-kookie/cryptographic-aes-server
Simple manual implementation of multithreaded HTTP server via HTTPListenerContext, implementing custom AES virtual streams to provide large files securely.
aes-encryption cryptography http-server multithreaded-server stream-processing
Last synced: 11 Oct 2025
https://github.com/juanpinheirofiap/faceid
Aplicativo de reconhecimento facial com Oracle Database, DeepFace e OpenCV para autenticação via FaceID.
cryptography embeddings opencv oracle-database pyhton
Last synced: 12 Oct 2025
https://github.com/rezameerr/ecc-framework
Elliptic Curve Cryptography (ECC) Framework, ECC, ECDH(E), ECDSA, EC ElGamal, ECIES, HMAC
argon2 blake2 cryptocurrency cryptography digest digital-signature ecc ecdh ecdhe ecdsa ecies elgamal elliptic-curve-cryptography elliptic-curves hmac kdf key-agreement keypair-generator symmetric-encryption twofish
Last synced: 17 Oct 2025
https://github.com/salrashid123/mcbn
Multiparty Consent Based Networks (MCBN)
cryptography pki tls trusted-computing
Last synced: 22 Aug 2025
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/bmoneill/enigma
Enigma machine simulator and Bombe
cipher cli cryptography enigma enigma-machine history
Last synced: 12 Oct 2025
https://github.com/lokranjanp/2fa
A custom 2FA system using Python, SQL, Redis, and SMTP, featuring dynamic 6-digit OTP generation with PyOTP. Will develop it into AaaS [Authentication as a Service] .
cryptography entity-authorization flask python smtp user-authentication
Last synced: 01 May 2026
https://github.com/bytemare/secp256k1
Go implementation of Secp256k1 based on Fiat-Crypto, with RFC9380 hash-to-curve.
cryptography golang hash-to-curve prime-order-group secp256k1
Last synced: 14 Apr 2026
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/oglinuk/sbh
A stateless password manager.
cryptography go hash password password-manager security
Last synced: 13 Oct 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/marenkeneshov/marintxtcrypt
Приложение позволяет шифровать введённый текст. Не используйте это приложение в незаконных целях! The application allows you to encrypt the entered text. Do not use this app for illegal purposes! Бұл қосымша енгізілген мәтінді шифрлауға мүмкіндік береді. Бұл қосымшаны заңсыз мақсаттарда пайдаланбаңыз!
cryptography cybersecurity cybersecurity-tools cypher
Last synced: 18 Jan 2026
https://github.com/alexiza84/nexus
nexuS is an innovative software tool designed to streamline data management and analysis processes. With its user-friendly interface and powerful features, nexuS empowers users to efficiently organize, analyze, and visualize their data.
ansible ansible-role cryptography dotnet emulator graphql groovy mmorpg molecule-scenario nexus private-tracker sonatype torrent wildstar
Last synced: 07 Apr 2026
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/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/alexyer/xxxdh-js
WASM wrapper around xxxdh library implementing Extended Triple Diffie-Hellman key exchange.
cryptography diffie-hellman key-exchange-protocol
Last synced: 17 Jan 2026
https://github.com/acmo0/lfsr-fibo
Efficient pure Rust implementation of LFSR in Fibonacci representation
cryptography lfsr lightweight-cryptography random-generation
Last synced: 14 Oct 2025
https://github.com/kunalpisolkar24/is_lab
Collection of practical codes for Savitribai Phule Pune University's Information Security Laboratory (310258) .
aes-encryption computer-science cryptography cybersecurity des-algorithm diffie-hellman-algorithm information-security java-cryptography md5-hash rsa-algorithm security-lab sppu-computer-engineering
Last synced: 04 Jul 2025
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/amiriiw/merklenote
Merkle Note is a secure text editor that offers advanced file management and encryption features. It encrypts files using a Merkle root as a password, ensuring data integrity and confidentiality. Users can create, open, and save encrypted or plain text files, while the intuitive interface streamlines file navigation.
cryptography editor file hash merkle-tree notebook password
Last synced: 21 Aug 2025
https://github.com/baha2rm98/crypto_note
Developed by : Baha2rM98 and AshkanAbd
Last synced: 02 May 2026
https://github.com/athanclark/purescript-sjcl
Bindings to the Stanford JavaScript Crypto Library
browser cryptography purescript sjcl
Last synced: 24 Jan 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/rlxchap2/cybertools
A web-based cybersecurity toolkit that provides simple, open-source utilities like steganography, hash generators, and encoders/decoders. It’s designed to help users hide, analyze, and process data securely through a clean and accessible interface.
base64 crypto cryptography cybersecurity decryption encryption ethical-hacking ethical-hacking-tools hash hashing hex hex-viewer hexviewer jwt jwt-decode stagnography tools
Last synced: 13 Feb 2026
https://github.com/fzed51/spicy-mash
Classe de cryptage et décryptage simplifiée se basant sur OpenSSL
cryptography openssl php simple
Last synced: 14 Jan 2026
https://github.com/tgalal/python-curve25519-dalek
Python extension module providing group operations on Ristretto based on curve25519-dalek.
cryptography curve25519 elliptic-curves ristretto
Last synced: 16 May 2025
https://github.com/shurlinet/go-slip39
Constant-time SLIP-0039 Shamir's Secret Sharing for Go. Bitsliced GF(256), memory zeroing, zero data-dependent branches.
bitsliced constant-time cryptography gf256 go golang mit-license mnemonic secret-sharing security seed-backup shamir slip-0039 slip39 threshold-cryptography
Last synced: 29 Jun 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/orientsrocks6n/trading_soft_
The project is aimed at developing an intelligent bot for automated cryptocurrency trading, leveraging advanced machine learning (ML) algorithms and feature engineering. The project offers the following core functionalities
arbitrage bitcoin blockchain btc crypto-arbitrage crypto-trading cryptocurrency cryptography eth ethereum exchange finance finance-trading p2p trade trading trading-automatically usdt
Last synced: 18 May 2026
https://github.com/harmim/vut-kry-project2
Cryptography - Project - RSA
asymmetric-cryptography crypto cryptography cryptology cypher encryption-decryption factorization factorization-attack kry prime-generator public-private-key rsa rsa-algorithm vut vut-fit
Last synced: 31 Mar 2025
https://github.com/lakshagg/insane-encrypt
A simple 256 byte encryption algorithm. feedback needed
c cryptography encryption encryption-algorithms encryption-decryption symmetric-encryption symmetric-key-cryptography
Last synced: 19 Jun 2026
https://github.com/theognis1002/password-generator-cli
A simple password generator CLI tool
Last synced: 01 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/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/ilovenooodles/classic-crypto
Web based Classic cryptography
Last synced: 02 May 2026
https://github.com/idleberg/node-wp-salts
Generates an object of default WordPress salts. Fully offline.
cryptography nodejs wordpress wordpress-salt
Last synced: 27 Dec 2025
https://github.com/mumarshahbaz/treecrypt
A node-tree based encryption algorithm
algorthims cryptography cybersecurity encryption node random secure tree
Last synced: 17 Aug 2025
https://github.com/alen-gebles/crypto-radar
Crypto tracker with React JS and Gecko API + Tailwind
cryptocurrency cryptography css gecko html5 javascript project react tailwind
Last synced: 10 Apr 2026
https://github.com/projects-developer/be-final-year-engineering-projects
BE Final Year Engineering Projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials
computer-science-projects cryptography final-year final-year-projects machine-learning malware-detection python-projects web-development
Last synced: 10 Mar 2026
https://github.com/mimi-netizen/Python-Scripts
This repository provides a versatile collection of Python scripts to streamline system administration tasks. It includes tools for browser automation, web scraping, and cryptographic operations, with detailed documentation and planned enhancements to expand functionality
cryptography selenium-webdriver webscraping
Last synced: 17 Aug 2025
https://github.com/5obhan/cs01-image-steganography
Hiding Information Inside an Image using AES-CBC Encryption & Least-Significant-Bit Steganography
aes aes-256 aes-cbc aes-cbc-256 aes-cbc-encryption aes-encryption cryptography cyber-security cybersecurity encrypted-data encryption-decryption image-steganography least-significant-bit lsb-bit-manipulation lsb-steganography steganography
Last synced: 05 Aug 2025