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: 2026-06-23 00:06:53 UTC
- JSON Representation
https://github.com/ntdls/ntdls.securekeyexchange
Easily generate a single or multi-round Diffie-Hellman key.
cryptography diffie-hellman key-exchange key-exchange-algorithms random-key-generator secure
Last synced: 14 Apr 2025
https://github.com/vaultie/teddybear
🧸 JS/TS/Rust library for verifiable credentials and common cryptographic operations
client-side-encryption cryptography javascript jwe jws jwt rust typescript verifiable-credentials wasm
Last synced: 13 May 2025
https://github.com/sayalisachin/MediCrypt
This is a Hospital Communication System Using DNA Encryption and Image Steganography This project enables secure communication between two hospitals, Hospital A and Hospital B, by encrypting and hiding sensitive patient data within images using DNA encryption and Least Significant Bit (LSB) steganography techniques, powered by Socket.IO
cryptography dna dna-sequencing information informationsecurity lsb lsb-steganography manipal-institute-of-technology matplotlib pandas pillow security socket-io steganography streamlit websocket
Last synced: 21 Jun 2025
https://github.com/alxiong/ark-srs
Use Common/Structured Reference String (CRS/SRS) from existing ceremonies with ease
cryptography trusted-setup zksnark
Last synced: 26 Jul 2025
https://github.com/milliorn/cli-password-generators
Simple command-line applications for generating passwords
chalk cli cli-app clipboardy command-line command-line-interface commander cryptography golang node node-js nodejs npm password password-generator random-seed randomization secure-password text-processing user-interface
Last synced: 11 Jan 2026
https://github.com/axman6/curve25519
A Pure Haskell implementation of Curve25519
cryptography curve25519 haskell
Last synced: 28 Oct 2025
https://github.com/hushos/hushos
An open source, privacy first, end-to-end encrypted productivity OS!
cryptography encryption end-to-end-encryption nextjs privacy self-hosted typescript
Last synced: 06 Mar 2026
https://github.com/functionally/crypto-lean4
Implementation of various cryptographic functions in Lean4
cryptography elliptic-curves lean4
Last synced: 03 Feb 2026
https://github.com/robcyberlab/crypt-hash-cracker
🔗Crypt Hash Cracker🧩
crypto-analysis cryptography ctf-tools cyber-programming cyber-tools cybersecurity cybersecurity-tools data-protection ethical-hacking hashing
Last synced: 18 Feb 2026
https://github.com/benwoo1110/cryptography-gui
Simple visualisation for basic string cryptography algorithms
algorithms cryptography cryptography-gui pygame python3 string-cryptography-algorithms visualisation
Last synced: 31 Mar 2026
https://github.com/deemru/cryptash
Hash-based encrypt/decrypt for PHP
authenticity confidentiality cryptography decrypt encrypt integrity php
Last synced: 25 Mar 2025
https://github.com/loneicewolf/cryptography
Encryption implemented in various languages. like AES and Serpent, more coming.
aes c cascade-encryption cipher cpp cryptography openssl rijndael serpent
Last synced: 08 Mar 2026
https://github.com/reppon97/cryptosnake
Simple, unofficial python wrapper for Binance API. You'll find this easy-to-use package helpful if you're interested in general market data and cryptocurrency values. You don't need to have a Binance account or API Key since you can't purchase/trade cryptocurrencies using this package.
api binance bitcoin crypto cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography data ethereum json litecoin python python3 statistics
Last synced: 05 Mar 2025
https://github.com/theboringhumane/xyphos
🔐 Xyphos : Open Source Key Management System (KMS): A secure, multi-tenant key management system built in Go. An open-source alternative to Google Cloud KMS with enhanced features.
cloudkms cryptography encryption encryption-decryption kms mathematics
Last synced: 17 Feb 2026
https://github.com/caprinux/cyberthon-2021
Cyberthon 2021 Training. Includes ALL challenges from self-directed learning and some from livestream training.
binary-exploitation cryptography forensics pwn reverse-engineering web web-exploitation
Last synced: 07 Nov 2025
https://github.com/fajarkim/node-openssl-enc
A Node.js CLI tool and library for encryption and decryption with OpenSSL Enc.
cipher compress cryptography decipher decompress decrypt encrypt node nodejs
Last synced: 28 Oct 2025
https://github.com/jcbritobr/sbox
SBOX is a cli application that implements the secretbox seal and open functions to encrypt documents.
cryptography symmetric-encryption tool
Last synced: 06 Apr 2025
https://github.com/catalyst-network/dotnet-crypto-benchmarking
Project to benchmark different c# crypto libraries and curves including NSec && SecpK1 wrapped && BouncyCastle
atlas-city benchmarkdotnet benchmarking bouncycastle crypto-benchmarking crypto-libraries cryptography nsec secp256k1
Last synced: 29 May 2026
https://github.com/aalfiann/text-obfuscator
Simple Text Obfuscator for NodeJS or Browser
cryptography obfuscator simple-obfuscator string-obfuscator text-obfuscator
Last synced: 22 Jun 2025
https://github.com/yaeby/cipher-decoder
Some ciphers implemented in a streamlit app.
cryptography des des-algorithm des-decription des-encryption frequency-analysis playfair-cipher streamlit vigenere vigenere-cipher
Last synced: 18 Feb 2026
https://github.com/tmlnv/sanity
Solana vanity address generator with CLI & TUI.
crypto cryptography go sol solana vanity vanity-address
Last synced: 12 Jan 2026
https://github.com/jimmygizmo/zerotools
Applications, tools and modules written in best-practice Python, Java, Javascript, C and Perl for personal projects, enterprise projects or education.
asyncio autobahn bookmark cryptography encryption ios java perl pexpect python recursive ruby swift tcl tk wamp
Last synced: 11 Apr 2026
https://github.com/scifer99/pki-engineering
PKI Engineering Repository for Secure Web Application Development
cryptography information-security informationsystems pki-applications security-engineering
Last synced: 02 Feb 2026
https://github.com/ggeorgovassilis/webencryption
Simple (offline) HTML and Javascript for encrypting stuff
cryptography javascript security web
Last synced: 05 Apr 2025
https://github.com/wildonion/wallexerr
RSA (Asymmetric) Crypto Wallet Implementations using ECC Curves
crypto cryptography ecdsa ed25519 elliptic-curve-cryptography rsa-cryptography secp256k1 secp256r1 wallet web3
Last synced: 11 Apr 2025
https://github.com/pedroalbanese/gostsum
Parallel GOST R 34.11-94 CryptoPro hashsum command
cryptography gost gost94 hashsum
Last synced: 23 Jun 2026
https://github.com/can-deliktas/passforge
PassForge is a flexible and secure password generator that creates strong, customizable passwords with letters, numbers, and special characters. It ensures quick and reliable password generation for enhanced security.
cryptography cybersecurity gui pass password password-generator passwords python random-password-generator safe terminal-graphics tkinter-gui
Last synced: 09 Mar 2026
https://github.com/jtdowney/b2sum-rs
Rust clone of the BLAKE2b checksum utility in GNU coreutils
blake2b coreutils cryptography rust
Last synced: 14 Apr 2025
https://github.com/hushos/hushos-legacy
An open source, privacy first, end-to-end encrypted productivity OS!
cryptography encryption end-to-end-encryption nextjs privacy self-hosted typescript
Last synced: 21 Jun 2026
https://github.com/zgsolucoes/zg-data-guard
ZG Data Guard is a centralized tool designed to streamline and secure the management of multiple databases across various environments. It simplifies administration by providing a unified platform to handle database ecosystems, technologies, instances, predefined roles, databases, users, and access control. All secured through JWT-protected API.
access-management clusters-management cryptography database-management docker go go-chi godotenv golang golang-migrate jwt-auth keycloak postgresql rest-api swagger2 swaggo testify users-management
Last synced: 28 Jan 2026
https://github.com/stackoverflowexcept1on/roast
Rust implementation of ROAST (Robust Asynchronous Schnorr Threshold Signatures) with cryptography by Zcash Foundation
cryptography elliptic-curves schnorr schnorr-signatures threshold-cryptography threshold-signature
Last synced: 18 Sep 2025
https://github.com/abhisinha08/cryptile
A Desktop App and CLI tool to encrypt and decrypt your files with a secure password
Last synced: 27 Jun 2025
https://github.com/cmason3/vaulty.rs
Vaulty in Rust - Encrypt/Decrypt with ChaCha20-Poly1305
chacha20-poly1305 cryptography rust-lang scrypt sha256
Last synced: 26 Jul 2025
https://github.com/tuanlh/classical-cipher
Giới thiệu một số loại mã hóa cổ điển và hiện thực bằng javascript
caesar cipher classical cryptography javascript playfair
Last synced: 08 Apr 2025
https://github.com/geeknik/qrypttalk
A Decentralized, Privacy-First Chat App
chat crypto cryptography encryption privacy
Last synced: 08 May 2026
https://github.com/substrate-system/simple-aes
The simplest way to use AES keys in the browser or Node.
aes aes-encryption browser cryptography
Last synced: 28 Sep 2025
https://github.com/instantwebp2p/nacl-cert
AIoT NACL Certification System
aiot cryptography nacl nacl-cert security-protocol
Last synced: 08 Apr 2026
https://github.com/projects-developer/github-major-projects-with-source-code
GitHub major projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials
bcaproject btechproject computerscienceproject cryptography finalyear finalyearproject machine-learning malware malware-project mcaproject mtechproject project
Last synced: 18 Feb 2026
https://github.com/cmason3/vaulty.go
Vaulty in Go - Encrypt/Decrypt with ChaCha20-Poly1305
chacha20-poly1305 cryptography ecdh golang scrypt sha256 x25519
Last synced: 26 Jul 2025
https://github.com/hubenchang0515/cryptography
Cryptography Hash Algorithm - 消息摘要算法库
Last synced: 25 Jan 2026
https://github.com/allouis/lamport-ots
🔏 Lamport One-Time Signatures in JavaScript 🔏
cryptography lamport ots signature
Last synced: 05 Apr 2025
https://github.com/odilitime/sniph
Snerx Sniph Cipher
cipher cipher-algorithms ciphers cryptography cypher
Last synced: 03 Aug 2025
https://github.com/jadnohra/zig-crypto-bench
Crypto benchmarks: Zig vs Rust performance comparison.
benchmark cryptography perfromance rust zig
Last synced: 18 May 2026
https://github.com/cipherstash/enveloperb
Ruby bindings for the envelopers envelope-encryption library
cipherstash cryptography encryption envelope-encryption ruby
Last synced: 07 May 2025
https://github.com/constantin9845/trivium-encoder
Trivium stream cipher implementation with cryptographically secure IV and Key generator.
Last synced: 31 Jul 2025
https://github.com/kehiy/go-secp256k1
a bitcoin libsecp256k1 binding for golang. [WIP]
binding bitcoin c cgo cryptography go golang libsecp256k1 nostr
Last synced: 02 Mar 2025
https://github.com/simplito/linked-pm
A simple web application which encrypts your private messages (Java Script client-side encryption) and converts them into clickable links and QR-codes.
application cryptography qrcode web
Last synced: 04 Mar 2025
https://github.com/omarbaylee/vaultkey
vaultkey is an open-source Rust library for generating secure, customizable passwords. It supports various character sets and lengths, providing cryptographically secure random passwords for any use case. Contributions are welcome to improve and expand the library.
aeonvault capsulekey cryptography future-ai key-generation knowledge-preservation open-source password-manager random-password rust rust-crate rust-library time-capsule vaultkey
Last synced: 11 Jul 2025
https://github.com/skyf0l/ncenc
Netcat wrapper to encrypt network traffic with openssl.
bash cryptography encryption nc netcat network network-encryption openssl pentest pentest-tool pentesting reverse-shell rsa
Last synced: 26 Apr 2026
https://github.com/hayr-hotoca/flutter_chacha20_poly1305
ChaCha20-Poly1305 encryption/decryption for Flutter. Native implementations make sure it has the fastest performance.
android chacha20 chacha20-poly1305 chacha20poly1305 cipher cipher-algorithms cross-platform cryptography cryptography-algorithms dart encryption encryption-algorithms flutter ios key
Last synced: 02 May 2026
https://github.com/volkanbicer/theblockchain
Blockchain application created with nodejs
blockchain cryptocurrency cryptography nodejs
Last synced: 16 May 2026
https://github.com/breezy-codes/quantum-cryptography-guide
This project is an exploration into quantum mechanics and quantum cryptography. Understanding the principles and applicaitons of quantum technologies before exploring quantum algorithms for cryptography and their impact on this field. The project includes both explanations and code for learning about the field.
cryptographic-algorithms cryptography cryptography-project quantum quantum-computing quantum-computing-research quantum-crypto quantum-cryptography quantum-key-distribution quantum-mechanics shor-algorithm tutorials
Last synced: 11 Apr 2025
https://github.com/guilherme-marcello/steganos-bmp
Toolkit to cipher&hide a message in a bitmap image file and recover
assembly-x86 bmp-image cryptography steganography system-call
Last synced: 16 May 2026
https://github.com/alhonaut/zkp-grpc-server
Chaum-Pederson Zero-Knowledge Proof in Rust with gRPC and Docker
Last synced: 03 May 2026
https://github.com/azmisahin/azmisahin-software-cryptography-steganography-net
Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.
audio bit byte char color cryptography cs decoder decoding encoder encryption int picture pixel steganography string studio text video visual
Last synced: 29 Mar 2025
https://github.com/werrett/cryptopals
Solutions to the Matasano Cryptopals challenges
Last synced: 19 May 2026
https://github.com/ishan-surana/cryptosystems
The 𝚌𝚛𝚢𝚙𝚝𝚘𝚜𝚢𝚜𝚝𝚎𝚖𝚜 package offers a suite of classes and functions for both symmetric and asymmetric encryption, signature-verification, hashing algorithms, key exchange protocols as well as mathematical utility functions. Docs at https://cryptosystems.readthedocs.io.
asymmetric-cryptography bcrypt cryptography cryptography-algorithms cryptography-library cryptosystems gmp gmplib hashing-algorithm key-exchange-protocol mathematical-functions mathematical-utilities python-package python3 signature-verification symmetric-key-cryptography
Last synced: 09 Jul 2025
https://github.com/ahf/orbis
An Erlang library for building worker pools using consistent hashing.
consistent-hashing consistent-hashing-library cryptography erlang
Last synced: 22 Mar 2025
https://github.com/swift-libp2p/swift-libp2p-crypto
Core LibP2P cryptography API for commonly used Keys, Hashes and Ciphers
cryptography libp2p multiformats
Last synced: 22 Jul 2025
https://github.com/mateoniksic/project-encrypted-chatroom
client-server chatroom using ecdsa/x25519/sha256 algorithms (CODE) [ PYTHON ]
authentication chatroom client-server cryptography decryption ecdsa encryption exchange key-exchange-algorithms message python python3 sha256 x25519
Last synced: 05 Aug 2025
https://github.com/netromdk/faes
Fast AES
aes aes-cbc aes-cipher aes-ctr aes-ecb aes-encryption cipher cpp cryptography encryption mit-license
Last synced: 23 May 2026
https://github.com/jalaj711/go-des
GoLang implementation of DES, 3DES (128-bit key) and 3DES (192-bit key) with support for ECB, CBC, CFB and OFB modes.
3des cryptography des golang symmetric-cryptography
Last synced: 29 Jul 2025
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/z1skgr/rsa-crypto
Cryptographic algorithm using openssl
bignum cryptography encryption-decryption hash openssl public-key rsa
Last synced: 27 Jan 2026
https://github.com/jnm2/threshold
Paper backup requiring a chosen K of N pieces to decrypt. Useful for storing passwords, private keys for PGP or Bitcoin, recovery codes, secret instructions, and small files. Work in progress.
backup bitcoin cross-platform cryptography csharp digital dotnet-core encrypt paper password pgp print private-key redundancy secret-sharing security shamir threshold wallet
Last synced: 10 May 2026
https://github.com/floatpane/go-secretbox
Password-based encryption for data at rest, in Go. Argon2id + AES-256-GCM
aead authenticated-encryption cipher crypto cryptography data-protection data-security decryption encryption go golang golang-library kdf key-derivation nacl secret-management secretbox secrets-management security vault
Last synced: 22 Jun 2026
https://github.com/jedisct1/gimli-constructions
Cryptographic constructions based on the Gimli permutation.
Last synced: 05 Mar 2026
https://github.com/nulltea/nulltea
0️⃣ ☕️ - research engineer
blockchain cryptography golang rust
Last synced: 14 Oct 2025
https://github.com/ironcorelabs/tenant-security-client-nodejs
NodeJS client library for the IronCore Labs Tenant Security Proxy
application-layer-encryption byok cmk cryptography encryption javascript nodejs typescript
Last synced: 02 Jul 2025
https://github.com/just-do-halee/vep
Variable-length Expansion Pass function. ( i.e. short password to long hashed password )
algorithms cryptography expansion hash no-std password
Last synced: 10 Jun 2025
https://github.com/amaitou/sectools
Welcome to the SecTools repository, a curated collection of penetration testing tools designed exclusively for educational purposes. This repository aims to provide a responsible and ethical environment for learning penetration testing techniques within legal boundaries.
cryptography cybersecurity hashing malware-development penetration-testing-tools python3 reverse-shell
Last synced: 15 May 2025
https://github.com/samuel-lucas6/padme.net
A .NET implementation of PADMÉ padding.
crypto cryptography padding padme padme-padding
Last synced: 23 Jan 2026
https://github.com/nexenio/rxkeystore
RxJava wrapper for the Android keystore and cryptography utilities
android android-library cryptography rxjava
Last synced: 19 May 2026
https://github.com/mtumilowicz/cryptography-hsm-workshop
Introduction into pkcs11 and integrations with hsm using softhsm.
cryptography cryptography-concepts cryptography-course cryptography-tools hardware-security-module hsm pkcs11 pkcs11-tool pkcs11interop-implement softhsm workshop workshop-materials
Last synced: 25 Feb 2026
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/alvarogarciapiz/pycipherhub
Conjunto de cifradores desarrollados en Python
cifrador criptografia-basica cryptography cypher python
Last synced: 15 Mar 2025
https://github.com/lssandes/crypto-app
blockchain crypto cryptocurrency cryptography cryptorank rapidapi react
Last synced: 11 Feb 2026
https://github.com/mobilecoinfoundation/rand
A platform abstraction layer providing a cryptographic RNG
cryptography no-std random rng
Last synced: 26 Jul 2025
https://github.com/nulltea/contangle-zkcp
Universal Zero Knowledge Contingent Payments (on hold)
bitcoin cryptography ethereum payment zero-knowledge
Last synced: 19 Apr 2026
https://github.com/demining/fuzzing-bitcoin
Search for critical vulnerabilities and new methods of protecting cryptocurrency Bitcoin & Ethereum
bitcoin btc cryptocurrency cryptography eth ethereum fuzzing smart-contracts vulnerabilities vulnerability
Last synced: 09 May 2026
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/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/stevehjohn/security
Various useful classes for information security
cryptography csharp dotnet shamir
Last synced: 28 Apr 2026
https://github.com/amirhosein2004/secure-token
package secure-token
cryptography pypi-packages python secure-token
Last synced: 13 Apr 2026
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/banyc/chatter
An End-to-End Intranet IM with Message Encryption. __Download link:
cryptography dotnet end-to-end-encryption instant-messaging intranet windows
Last synced: 30 Apr 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/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/robb-fr/cryptography-diffie-beepboop
2021 COM-401 course's at EPFL, coding homeworks. Sage kernel for Jupyter Notebook. Cryptography and Security.
capture-the-flag cryptography sagemath
Last synced: 06 Jun 2026
https://github.com/outspace/bachelor_thesis
My bachelor thesis
cryptography differential-cryptanalysis dstu7624
Last synced: 18 Mar 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/vishalshenoy2002/file-encrypter
Keep your files safe by encrypting it 🙂
cryptography encrpytion file-encryption file-encryption-python file-encryptor safe security
Last synced: 18 Jun 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/gotz1480/bitcoin-cryptography-ecc
Study of bitcoin elliptic curve cryptography (ECC)
bitcoin cryptography ecc-cryptography elliptic-curve-cryptography
Last synced: 07 Apr 2025
https://github.com/ml3m/cryptography-algorithms-exploration
implementations of various cryptographic algorithms, including both symmetric and asymmetric encryption, hashing, and key exchange techniques
blowfish-algorithm chacha20 cryptography cryptography-algorithms cryptography-concepts encryption-decryption rsa-cryptography
Last synced: 18 Jun 2025
https://github.com/egorkhaklin/polaris-id
National identity-token reference implementation. Post-quantum signing, zero-knowledge defaults, compulsion-resistant by construction.
anti-coercion audit-log cryptography flask identity identity-management merkle-tree mfa plonky2 post-quantum-cryptography postgresql rust snark swarm-intelligence webauthn zero-knowledge-proofs
Last synced: 10 Jun 2026
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/demining/private-key-debug
Private key Debug: Incorrect generation of private keys, system vulnerabilities and errors in calculating the order of the elliptic curve secp256k1 threats to the Bitcoin ecosystem
bitcoin bitcoin-wallet crypto cryptocurrency cryptography ecc elliptic-curve-cryptography privatekey secp256k1 vulnerability
Last synced: 01 May 2026