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: 2026-07-01 00:06:48 UTC
- JSON Representation
https://github.com/chinnanj666/message-encryption-decryption
This Python-based application provides a graphical user interface (GUI) for encrypting and decrypting messages using AES encryption.
aes algotithms cryptography python thinker
Last synced: 17 Jun 2025
https://github.com/helcsnewsxd/cbmc-analysis-report
Technical report on CBMC (C Bounded Model Checker) - Software Engineering II course project - Computer Science @ FAMAF (UNC)
bounded-model-checking cbmc cryptography ctf-writeup famaf formal-verification software-engineering static-analysis university-project
Last synced: 02 Jul 2025
https://github.com/obaskly/anonymouschat
Secure Anonymous Chat
chat cryptography end-to-end-encryption flask python rsa
Last synced: 19 Jan 2026
https://github.com/marekyggdrasil/minicurve
A simple library for elliptic curve visualization.
cryptography education visualisation visualization
Last synced: 17 Apr 2026
https://github.com/cfcs/ocaml-poly1305
MirageOS-friendly bindings to Poly1305 C-stubs from WireGuard
cryptography mirageos ocaml poly1305
Last synced: 17 Apr 2026
https://github.com/crnobog69/polychaos
PolyChaos π | ΡΠΈΡΡΠ΅ΠΌ ΡΠΈΡΡΠΎΠ²Π°ΡΠ° - encryption system
cryptography encryption encryption-decryption python secure security security-tools simple simple-app simple-project
Last synced: 06 Feb 2026
https://github.com/shahradelahi/timing-safe-compare
π Isomorphic constant-time string and buffer comparison to prevent timing attacks.
browser constant-time cryptography isomorphic nodejs security timing-attack
Last synced: 03 Apr 2026
https://github.com/5n00py/soft-aes
Software implementation of the AES cipher with related modes of operations
aes aes-128 aes-192 aes-256 aes-cbc aes-cmac aes-ecb cryptography cryptography-library cybersecurity pkcs7 rust-crypto rust-cryptography-library
Last synced: 02 Apr 2026
https://github.com/jahlives/openssl_encrypt
Post-quantum hybrid encryption with chained KDF architecture. Supports ML-KEM, Kyber, Argon2, Balloon, RandomX. CLI + GUI included.
cryptography encryption hash-chaining kdf-chaining post-quantum python security steganography
Last synced: 01 Apr 2026
https://github.com/ajlearner46/post-quantum-cryptography-signature-scheme
Implementation of Post-quantum cryptography signature protocol
cryptography cryptography-algorithms post-quantum-algorithms post-quantum-cryptography post-quantum-signature pqcrypto python signature-scheme
Last synced: 06 Jan 2026
https://github.com/mjvl/csci-462-tools
Collection of miscellaneous scripts written to help for CSCI-462 - RIT's cryptography course.
cryptography csci-462 diffie-hellman dsa elgamal elgamal-digital-signature rit-cryptography-course rit-csci-462 square-and-multiply
Last synced: 16 Apr 2026
https://github.com/z1skgr/rsa-crypto
Cryptographic algorithm using openssl
bignum cryptography encryption-decryption hash openssl public-key rsa
Last synced: 27 Jan 2026
https://github.com/cosmian/cloudproof_flutter
The Flutter API library to Cosmian Cloudproof Encryption
android cloud cloudproof cryptography dart flutter ios
Last synced: 01 Mar 2026
https://github.com/thomasthaddeus/algorithmselector
Explore our extensive Algorithms Repository, featuring a diverse range of algorithms from computational methods to data structures, cryptographic techniques, and AI. Ideal for education, research, and practical application, each algorithm is well-documented, tested, and optimized for performance and readability.
ai algorithms computational-algorithms computer-science cryptography data-compression data-structures educational-resource game-theory graph-theory machine-learning network-flow open-source optimization python
Last synced: 01 Mar 2026
https://github.com/hmasila/crypto-php
crypto cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography
Last synced: 13 Oct 2025
https://github.com/abdellatif-temsamani/cryptjs
`cryptjs` is a JavaScript/TypeScript library that brings cryptographic functionality from Dart to the web
crypt-lib cryptography hash javascript password-hashing security sha-256 sha-512 sha512 typescript
Last synced: 22 Jan 2026
https://github.com/venkat-kolasani/knight-s-tour-based-cryptographic-key-generation
The Knight's Tour Encryption System is a cryptographic application that leverages the Knight's Tour problem on a chessboard to generate a unique encryption key. This key is then used for XOR-based encryption and decryption of messages.
cpp17 cryptography design-and-analysisof-algorithm dsa-algorithm knights-tour
Last synced: 15 Feb 2026
https://github.com/nulltea/nulltea
0οΈβ£ βοΈ - research engineer
blockchain cryptography golang rust
Last synced: 14 Oct 2025
https://github.com/jcbritobr/libnacl
Rust wrapper API for libnacl - https://nacl.cr.yp.to/
api cryptography nacl wrapper-api
Last synced: 14 Oct 2025
https://github.com/sepandhaghighi/integer-squaring
Integer Squaring Algorithm
algorithm cryptographic cryptography integer-arithmetic integer-squaring multiplication product-scanning squaring
Last synced: 15 Oct 2025
https://github.com/qnighy/crypt-impl-rust
cryptography hash-algorithm rust tls
Last synced: 31 Mar 2025
https://github.com/pirate-emperor/enigma
Enigma is a Java-based cryptographic system that integrates symmetric (AES, DES, Blowfish), asymmetric (Diffie-Hellman, RSA, DSA), and hashing algorithms (MD5, SHA-1, SHA-224, SHA-256, SHA-384, SHA-512). It ensures data confidentiality, integrity, and authentication with modern cryptographic standards.
aes asymmetric-algorithm authentication blowfish cryptography data-integrity diffie-hellman encryption encryption-decryption enigma hashing java md5 rsa security sha-256 symmetric-algorithms
Last synced: 27 Jan 2026
https://github.com/skyf0l/discrete-logarithm
Fast discrete logarithm solver in Rust
cryptography discrete-logarithm number-theory
Last synced: 11 Oct 2025
https://github.com/samuel-lucas6/padme.net
A .NET implementation of PADMΓ padding.
crypto cryptography padding padme padme-padding
Last synced: 23 Jan 2026
https://github.com/frankmike/bitcoin-from-scratch
A study on Bitcoin main components
bitcoin bitcoin-payment bitcoin-transaction blockchain cryptography mathematics
Last synced: 13 Feb 2026
https://github.com/outspace/bachelor_thesis
My bachelor thesis
cryptography differential-cryptanalysis dstu7624
Last synced: 18 Mar 2026
https://github.com/vaithak/birthday-paradox-simulation
A simulator of the birthday paradox problem
birthday-paradox cplusplus cryptography gnuplot graph paradox probability simulator vaithak
Last synced: 19 Oct 2025
https://github.com/marekyggdrasil/website
Marek Narozniak's personal website with computer science / numerics / quantum physics tutorials.
computer-science cryptography optimization optimization-algorithms quantum-computing quantum-mechanics
Last synced: 18 Mar 2026
https://github.com/alokmenghrajani/go-cryptopals
Cryptopals in Golang
cryptography cryptopals cryptopals-challenges cryptopals-crypto-challenges cryptopals-go cryptopals-solutions go golang
Last synced: 27 Feb 2026
https://github.com/clach04/jenc-py
Python package for jenc/Markor decryption/encryption
aes aes-256 aes-encryption aes-gcm-encryption aes256-gcm cryptography decryption encryption encryption-decryption gcm java jenc markor pbkdf2withhmacsha512 python
Last synced: 09 Feb 2026
https://github.com/schultz-is/go-threefish
An implementation of the Threefish block cipher entirely in go with no external dependencies.
block-cipher block-ciphers crypto cryptography threefish
Last synced: 15 Apr 2026
https://github.com/namecoin/certinject
Inject certificates into Windows CryptoAPI trust store, with EKU and name constraints.
certificates cryptoapi cryptography hacktoberfest name-constraints privacy security tls windows x509
Last synced: 27 Jan 2026
https://github.com/alvarogarciapiz/pycipherhub
Conjunto de cifradores desarrollados en Python
cifrador criptografia-basica cryptography cypher python
Last synced: 15 Mar 2025
https://github.com/antosser/base94-rs
Base94 Encoding Library: Convert binary data to a compact text-based format using Base94 encoding. Effortlessly encode and decode data for a wide range of use cases. ππ
algorithm base94 binary-to-text cryptography development encoding rust rust-library security text-format utility
Last synced: 24 Oct 2025
https://github.com/eqoty-labs/kryptools
Kotlin multiplatorm crypto tools: AES-SIV, Axlsign, AES256-GCM, Bech32, Secp256k1
crypto cryptography kotlin kotlin-android kotlin-js kotlin-jvm kotlin-library kotlin-multiplatform kotlin-native
Last synced: 02 Feb 2026
https://github.com/xornet-sl/gosss
Shamir split/combine files/strings. Tool and library
Last synced: 23 Jan 2026
https://github.com/kareemmoneeam/fota
This repository hosts the Firmware Over-The-Air (FOTA) system developed as part of a graduation project at Cairo University. The FOTA system enables secure, efficient, remote updates for embedded systems in smart vehicles, enhancing functionality, safety, and user experience, with strong automotive cybersecurity measures.
aes-encryption bootloader cryptography django embedded embedded-c embedded-systems esp32 firmware firmware-over-the-air graduation-project hc05-module mobileapp secureboot stm32
Last synced: 31 Jan 2026
https://github.com/tacitusxi/leskodex
LeskoDEX is a DEX with a decentralized orderbook and a custom ERC-20 ESKO token. Each user can connect to the DEX via Metamask and trade the ETH/ESKO pair. A custom chart for technical analysis is available.
crypto cryptocurrency cryptocurrency-exchanges cryptography currency dapp defi erc-20 eth ethereum smart-contracts solidity solidity-dapps solidity-language token
Last synced: 26 Oct 2025
https://github.com/harryr/stegive
Steganographic encrypted archive
archive cryptography encryption steganography
Last synced: 27 Oct 2025
https://github.com/belajarqywok/strmc
Credentials Management Tool Using Stream Cipher Algorithm.
clang cryptography cybersecurity llvm rc4-algorithm stream-cipher
Last synced: 07 Feb 2026
https://github.com/shurlinet/go-clatter
Post-quantum Noise protocol framework for Go. NQ, PQ (ML-KEM), Hybrid, DualLayer handshakes. ML-DSA-65 + SLH-DSA signing (FIPS 203/204/205). 90 patterns, 18 SLH-DSA param sets (SHA2/SHAKE/BLAKE3). Verified against Rust Clatter + NIST ACVP vectors.
blake3 cryptography digital-signatures fips-205 go golang kem key-exchange ml-dsa ml-dsa-65 ml-kem noise noise-protocol post-quantum pqc pqnoise quantum-resistant slh-dsa slhdsa x25519
Last synced: 29 Jun 2026
https://github.com/01alekseev/petoron-core-adc
An open source blockchain written from scratch in Python. :))
blockchain consensus cryptocurrency cryptography decentralized minimal open-source p2p petoron proof-of-work python
Last synced: 27 Jun 2026
https://github.com/lssandes/crypto-app
blockchain crypto cryptocurrency cryptography cryptorank rapidapi react
Last synced: 11 Feb 2026
https://github.com/filiprokita/bcrack
BCrack is a basic tool designed to crack Bcrypt hashed passwords using brute-force methods. Written in C, it highlights the importance of strong passwords and the effectiveness of Bcrypt for password hashing. Ideal for educational purposes and ethical security testing with permission.
bcrypt bruteforce c cli command-line crypt cryptography cybersecurity decryption encryption file-handling hacking hash-comparison hash-cracking password-cracking security wordlist
Last synced: 11 Feb 2026
https://github.com/ironcorelabs/tenant-security-client-php
Client for the Tenant Security Proxy in PHP
application-layer-encryption byok cmk cryptography encryption php
Last synced: 02 Jul 2025
https://github.com/trailofbits/rfc8785.py
A pure-Python implementation of RFC8785 (JSON Canonicalization Scheme)
canonicalization cryptography json python serialization
Last synced: 15 Apr 2025
https://github.com/salvacorts/fr-chat-client
:rocket: P2P Chat with asymmetric encryption
asymmetric-cryptography cryptography p2p-chat python rest-api rsa sockets tkinter
Last synced: 15 Mar 2025
https://github.com/agu3rra/pykeys
Securely store and use your API keys
api coding cryptography key secure token
Last synced: 16 Jan 2026
https://github.com/ph4r05/zipstream
ZIP archive tampering on the fly library
cryptography java man-in-the-middle research tampering zip-stream
Last synced: 15 Mar 2025
https://github.com/gotz1480/cryptography
Cryptography projects and algorithms in Python
cryptography cryptography-algorithms cryptography-library python python-cryptography python3
Last synced: 07 Apr 2025
https://github.com/lucabonamino/crypto-vdf
Cryptocurrency and Cryptographic blockchain Verifiadle Delay Functions project
cli cryptocurrency cryptography pietrzark-vdf python verifiable-delay-functions wesolowski-vdf
Last synced: 27 Dec 2025
https://github.com/shreyansh26/secure-voting-application
Secure Voting Protocols using RSA
cryptography rsa secure-voting voting-system
Last synced: 22 Jun 2026
https://github.com/anuja-rahul/python-datavault
Encrypt and safeguard your valuable data with this python encryption/decryption module.
aes-256 cbc-aes-encryption cryptography fernet-cryptography oops-in-python
Last synced: 19 Jun 2026
https://github.com/i-umairkhan/ecdsa_node
Transactions via ECDSA cryptography algorithm.
cryptography ecdsa-cryptography express javascript nodejs react
Last synced: 14 Apr 2026
https://github.com/defucc/hashkeys
Reactive Noble cryptography for p2p identity
composable cryptography encryption js noble-curves signing vue
Last synced: 20 Jan 2026
https://github.com/haskell-cryptography/cryptography-blake3
A wrapper around cryptography-blake3-bindings which is more Haskell-friendly
Last synced: 13 May 2026
https://github.com/davidbuchanan314/roll13
an (unfinished) TLSv1.3 client in pure python, hand-rolled from first principles.
aes aes-gcm cryptography hmac hmac-sha256 python python3 secp256r1 sha256 tls tls13
Last synced: 22 Aug 2025
https://github.com/samuelschlesinger/blake3-lamport-signatures
An implementation of Lamport/Merkle signatures in Rust using the BLAKE3 hash function.
cli cryptography lamport-signature-scheme merkle-signature-scheme rust rust-lang signature
Last synced: 18 Mar 2025
https://github.com/txuswashere/cybersecurity-handbooks
Cybersecurity-Handbooks
attack-defense cloud cryptography cybersec cybersecurity cybersecurity-education cybersecurity-tools cybersecurity-training forensics osint password reconnaissance reverse-engineering wireless wireless-security
Last synced: 19 Mar 2026
https://github.com/dylan-lang/hash-algorithms
Cryptographic hash functions for Dylan
cryptography dylan-lang hash hashing
Last synced: 03 Feb 2026
https://github.com/emrecpp/nextcrypt
Python app with Qt interface for encryption/decryption (Caesar, Vigenere, Atbash, Vernam)
cipher cryptography fluent-design gui modern pyqt pyqt5 pyside pyside6 python qfluentwidgets qt ui
Last synced: 08 May 2026
https://github.com/susumuota/nostrain
Nostr client library with no strain.
client cryptography nodejs nostr protocol relay sns social-media social-network typescript vite
Last synced: 08 May 2026
https://github.com/asc8384/simple-cryptography
Simple cryptographic implementation, including TinyJambu, Grain-128AEAD, Fridrich, etc.
crypto cryptography encryption tinyjambu
Last synced: 23 Aug 2025
https://github.com/alierpm/cryptohub
This project is based on Coinranking API: The simplest API for Cryptocurrency Prices - Real-Time & Historical - Crypto Market Data - Coins - Exchanges and Bing News Search API:An AI service from Microsoft Azure that turns any app into a news search resource.
bitcoin blockchain crypto cryptocurrency cryptocurrency-exchanges cryptography ethereum newsapi
Last synced: 07 May 2026
https://github.com/lmriccardo/needham-schroeder-verification
Project for the Formal Methods In Software Development course at the University of "La Sapienza" in Master in Computer Science A.A. 2021/2022
cryptography murphi needham-schroeder nusmv-model-checker spin verification
Last synced: 23 Aug 2025
https://github.com/delthas/libsilence-java
Lightweight API for the Silence protocol
cryptography java-8 silence sms smssecure textsecure
Last synced: 06 Jun 2026
https://github.com/hussamsh/nova
Image Cryptography application based on chaotic maps built with Typescript and ElectronJS :electron:
chaos chaotic-map cryptography dynamical-systems electron images maps react
Last synced: 04 May 2026
https://github.com/uncomputable/tackling-bulletproofs
In-depth survey into what Bulletproofs are and how they work
cryptography learning mathematics pdf tutorial zero-knowledge-proof
Last synced: 19 Mar 2026
https://github.com/tankerhq/sdk-rust
Tanker client-side encryption SDK for Rust
cryptography encryption end-to-end privacy rust sdk security tanker
Last synced: 09 Apr 2025
https://github.com/jitendragangwar123/ekolance-solidity-cohort-2
This repository contains Solidity programming exercises that were discussed during the Ekolance Solidity Cohort 2. It serves as a resource for learning and practicing Solidity, a programming language used for developing smart contracts on blockchain platforms like Ethereum.
blockhain-tecnology cryptography ethereum solidity
Last synced: 07 Jan 2026
https://github.com/angelobattaglia/gematro
A cryptographic calculator (Written by Saun Virroco)
Last synced: 08 Jun 2026
https://github.com/jasondrawdy/ecp
A lightweight, flexible, and extensible network communcations protocol created with security in mind and focuses on the productivity of both potential clients and servers.
communications cryptography encryption library networking protocol security tcp tcp-client tcp-server udp udp-client udp-server
Last synced: 05 Sep 2025
https://github.com/tcfw/ocs
An Open Cryptography Standard
certificate certificates crypto cryptography go golang ipfs pki public-crypto security tls
Last synced: 29 Apr 2026
https://github.com/alaouimehdi1995/encryption-decryption-algorithm
Algorithm that encrypt and decrypt data (text) with algorithm based on random keys
crypt cryptography decoder decoding decrypt decrypt-data decryption encoding encrypted encrypted-data encryption
Last synced: 06 Mar 2025
https://github.com/leo-aa88/bitcoin-cryptography-ecc
Study of bitcoin elliptic curve cryptography (ECC)
bitcoin cryptography ecc-cryptography elliptic-curve-cryptography
Last synced: 10 May 2026
https://github.com/gerhalt/cryptopals
Solutions to Cryptopals challenges in Python 3. Visit https://cryptopals.com/ for the complete list of challenges.
aes-encryption cbc-mode challenges crypto cryptography diffie-hellman dsa dsa-algorithm ecb-mode puzzles python python3 rsa rsa-algorithm solutions
Last synced: 13 May 2026
https://github.com/mrdcvlsc/password-manager
A simple online password manager web application with demo deployed in render.com
aes better-sqlite3 cipher confidentiality cryptography css data-protection decryption encryption fastify full-stack html javascript nodejs online password-manager password-vault sqlite3 web-application
Last synced: 15 Apr 2025
https://github.com/egorkhaklin/glass
A pure functional language whose compiler is written in Glass and self-compiles to byte-identical C, carrying a from-scratch zero-knowledge STARK prover: write a function, get a proof of its result. Hindley-Milner types, effects, exhaustive matching.
algebraic-data-types compiler cryptography effect-system fri functional-programming hindley-milner interpreter pattern-matching programming-language programming-language-design refinement-types self-hosting stark type-inference type-system zero-knowledge zero-knowledge-proofs zk zk-stark
Last synced: 10 Jun 2026
https://github.com/michpro/xtea-cipher
XTEA cipher library, with MAC support, for the Arduino environment.
arduino arduino-library cipher cipher-algorithms cryptography cryptography-library decryption encryption hash iot mac message-authentication-code xtea-cipher
Last synced: 17 Apr 2026
https://github.com/proafxin/lattices
This is the lecture series on Lattices given by Oded Regev.
cryptography lattice mathematics
Last synced: 06 Mar 2026
https://github.com/zig-utils/zig-tls
Pure Zig TLS 1.3 implementation for SMTP and other protocols.
Last synced: 01 Apr 2026
https://github.com/saeed0x1/black-hat-ctf
This CTF event was organised by Data Science analytics and Cyber Security club at the annual Tech Fest Prajyukttam π, Assam Don Bosco University π
binary-exploitation capture-the-flag cryptography ctf ctf-challenges ctf-tools digital-forensics web-exploitation website
Last synced: 04 Mar 2026
https://github.com/scar26/votesec.io
An automated voting platform based on Azure Blockchain that offers complete anonymity, instantaneous results and a plethora of other features
blockchain cosmosdb cryptography iot node-chakra solidity truffle
Last synced: 03 Mar 2026
https://github.com/gunh0/whitebox_cryptanalysis
π Whitebox Cryptographic Code Example
Last synced: 25 Mar 2025
https://github.com/cryptpad/blueprints
CryptPad research & development repository
algorithms cryptography cryptpad diagrams research
Last synced: 01 Mar 2026
https://github.com/ausaf007/multi-party-computation
Create Ethereum wallet with multi-party validation and threshold cryptography.
cryptography java multi-party-computation shamir-s-secret-sharing-scheme shamir-secret-sharing threshold-cryptography
Last synced: 04 Oct 2025
https://github.com/dsprenkels/vscode-jasmin
basic syntax highlighting support for the jasmin domain-specific language
Last synced: 19 Mar 2026
https://github.com/alexgustafsson/practical-factorization-comparison
A Practical Study and Comparison of Integer Factorization Methods
bth cryptography elliptic-curve-factorization factorization fermat-factorization integer-factorization mathematics paper pollard-rho-algorithm quadratic-sieve study trial-division
Last synced: 19 Mar 2026
https://github.com/mashatan/go-cryptoconditions
Crypto-Conditions in Go
cryptoconditions cryptography golang-package
Last synced: 14 Jan 2026
https://github.com/defeo/hdr
My habilitation thesis
computer-algebra cryptography elliptic-curves finite-fields isogenies number-theory post-quantum-cryptography
Last synced: 19 Mar 2026
https://github.com/mohammedmehdio/caesarjaw-py
CaesarJaw provides encryption and decryption functionalities using a simple shift cipher (Caesar cipher). It allows users to: β Encrypt text π β Decrypt text π β Determine the shift key π β Attempt decryption without a known key π‘
caesar caesar-cipher caesar-cipher-algorithm caesar-shift communication crypto cryptography cybersecurity hacking-tool hacking-tools key keys python python3 security tool tools
Last synced: 13 Feb 2026
https://github.com/ngirimana/rsa
RSA algorithm is asymmetric cryptography algorithm. Asymmetric actually means that it works on two different keys i.e. Public Key and Private Key. As the name describes that the Public Key is given to everyone and Private key is kept private.
cryptography css3 html5 network-security rsa
Last synced: 07 May 2026
https://github.com/cupcakearmy/occulto
Isomorphic encryption library that works both in the browser and node.
aes crypto crypto-library cryptography easy-to-use hash high-level node node-crypto typescript
Last synced: 15 Apr 2025
https://github.com/ntdls/secure-archive
Secure Archive is a file encryption utility that provides multiple encryption algorithms, variable compression levels, secure file delete, self-extracting archives and more.
cryptography file-management file-system private security showcase
Last synced: 27 Mar 2026
https://github.com/saeed0xf/black-hat-ctf
This CTF event was organised by Data Science analytics and Cyber Security club at the annual Tech Fest Prajyukttam π, Assam Don Bosco University π
binary-exploitation capture-the-flag cryptography ctf ctf-challenges ctf-tools digital-forensics web-exploitation website
Last synced: 01 Mar 2025
