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/nemanjapetrovic/cryptography-course-elfak
Cryptography course @ Faculty of Electronic Engineering, University of Niš, Serbia
cipher cryptography knapsack multithreading rc4 simple-substitution tea threading xtea
Last synced: 16 Apr 2026
https://github.com/azuchi/frostrb
Ruby implementations of Two-Round Threshold Schnorr Signatures with FROST.
bitcoin cryptography elliptic-curve frost schnorr schnorr-signatures taproot threshold-signature
Last synced: 02 Mar 2026
https://github.com/nandanr06/full-stack-cryptocurrency
Cryptocurrency Tracker is a real-time app for monitoring cryptocurrency prices, market trends, and historical data. Powered by the CoinGecko API, Node.js, Express, and React, it allows users to view live market updates, explore trending coins, and analyze price histories with interactive charts—all in a responsive, user-friendly interface.
bitcoin cryptocurrency cryptography marketplace
Last synced: 17 Apr 2026
https://github.com/ddebin/ssh-agent-secrets
Encrypt and decrypt secrets using an SSH agent
cli cryptography encryption-decryption ssh ssh-agent ssh-key typescript
Last synced: 02 Apr 2026
https://github.com/telkomdev/netcrypsi
Custom crypto utility that wraps the DotNet cryptography API to make life easier (Digest, AES, HMAC, RSA, RSA Digital Signature)
Last synced: 17 Apr 2026
https://github.com/akhilkailas017/file-xor-encryptor
This repository is used to encrypt and decrypt files in computer using XOR. Based on Python
auto-py-to-exe cryptography encryption pyinstaller python xor
Last synced: 04 Jun 2026
https://github.com/abhishekkr/aqikcipher
encrypt-decrypt using a small shared password in a dumb One-Time-Pad style
c clanguage cryptography cryptography-tools
Last synced: 05 Jun 2026
https://github.com/praveena2j/traitor-tracing-system-based-on-random-projections
A Code and Domain Independent Traitor Tracing System Based on Random Projections
cryptography image-processing random-projections security-vulnerability steganography tracing-applications traitor
Last synced: 07 Jun 2026
https://github.com/sanjoy-sust/scpproject
This is Secure Communication Protocol for smart cart Cryptography management
aes aes-encryption algorithm cryptography design-patterns factory-method-pattern factory-pattern j2se java java-smart-cards security
Last synced: 07 Jun 2026
https://github.com/antelle/pkcs15-smartcard-sign
Signatures from PKCS #15 smartcard in node.js
cryptography nodejs pkcs15 signature smartcard
Last synced: 28 Apr 2026
https://github.com/richarddushime/authenticred
AuthentiCred – A Simple and Secure Way to Verify Academic Credentials and Recomendations
blockchain-technology cryptography django-framework ecdsa htmlx jwt-token mkdocs mkdocs-material python3 smart-contracts solidity w3c
Last synced: 28 Apr 2026
https://github.com/catherinee24/my-own-cryptocurrency
My own cryptocurrency with python.
blockchain-technology cryptocurrency cryptography python sha256-hash
Last synced: 28 Apr 2026
https://github.com/samuel-lucas6/multimac
Authenticate multiple inputs easily using keyed BLAKE2b.
blake2 blake2b blake2b-256 blake2b-384 blake2b-512 crypto cryptography keyed-blake2b mac message-authentication-code multi-input multi-input-mac multi-inputs multi-mac
Last synced: 29 Apr 2026
https://github.com/hyperparticle/integrity-coded-database
Demonstrates and evaluates an Integrity Coded Database (ICDB) implementation
cryptography database icdb mysql
Last synced: 29 Apr 2026
https://github.com/solrac97gr/crypto-api-fiber
Project create for encrypt information using random strings and a Cache system 🛡️
cryptography firebase glang go
Last synced: 01 May 2026
https://github.com/modemobpsycho/itra-task-3
The third assignment from the internship.
ascii chalk cryptography hmac-sha256 typescript
Last synced: 08 Jun 2026
https://github.com/jacob-ian/deno_random_primes
Generate random prime numbers with Deno and the Miller-Rabin test.
Last synced: 02 May 2026
https://github.com/jacob-ian/deno_random_bigint
Generate a random BigInt by bit-length with Deno.
Last synced: 02 May 2026
https://github.com/inkedcat/kallbid
💰🔨 Cryptographically secure auction Client/Seller/Admin apps (Imported From School GitLab)
auction cryptography java javafx security
Last synced: 02 May 2026
https://github.com/mrdcvlsc/keyper-offline-password-manager
An android application where you can record the following account information: username, platform, passwords to an offline database.
aes aes-256 aes256 android android-application android-studio apk cryptography data-encryption data-security database decryption encryption information-security information-system java offline password-manager password-vault sqlite3
Last synced: 07 May 2026
https://github.com/akshatamohanty/practical-blockchain
Website for practicalblockchain.org. Practical Blockchain is a meetup group in Singapore, started in 2021. We focus on talks and workshops by speakers building blockchain applications in production, learning from their research and insights.
blockchain cryptography dapps ethereum security smartcontracts solidity zkproof
Last synced: 09 May 2026
https://github.com/alvarogzp/poodle-challenge
Cryptographic challenge
challenge cryptography man-in-the-middle mitm poodle python ssl-handshake sslv3
Last synced: 13 Jun 2026
https://github.com/retr0kr0dy/ghostschat
Chat and file transfer securely, 🛡️ embrace anonymity, and unleash your inner cyber ninja! 🥷💻💾
aes annonymized chat coding cryptography development file-transfer python rsa secured-communication security
Last synced: 16 Jun 2026
https://github.com/jjordanoc/rsa-encryption
A simple implementation of RSA encryption for arbitrary strings
cryptography number-theory rsa-encryption
Last synced: 24 Jun 2026
https://github.com/shgysk8zer0/jscrypt
Cryptographic modules implemented in JavaScript (I.E. SubtleCrypto API)
aes aes256 crypto cryptography ecmascript2015 es6 es6-modules javascript jscrypt jwk nodejs npm phpcrypt rsa spki subtlecrypto subtlecrypto-api webcryptoapi
Last synced: 08 May 2026
https://github.com/ttcong/hello-cryptography
Some hello-world examples about cryptography
Last synced: 29 Mar 2025
https://github.com/botsuniverse/cryptrooper
Cryptrooper is a module that can encode and decode your text with a given key.
crypt cryptography decode encode python python3
Last synced: 29 Mar 2025
https://github.com/cuhsat/fx
A strictly experimental stream cipher in ANSI C.
algorithm ansi-c c cipher cryptography fumbled-xor stream-cipher
Last synced: 29 Mar 2025
https://github.com/cuhsat/epiphyte
(Ab)using TinyURL.com as a key/value storage for hidden and encrypted message threads.
cryptography epiphyte hidden-message protocol pycrypto python requests steganography tinyurl
Last synced: 12 Aug 2025
https://github.com/deovaliandro/des
Simple implementation of Data Encryption Standard
Last synced: 13 Apr 2025
https://github.com/hsbc/encryption-helper-python
A Python CLI application for generating RSA public and private key pairs.
automation cryptography data-protection devops-tools encryption hsbc key-generation key-management open-source poetry-python public-key python python-rsa python-rsa-key-pairs-public-key-private-key rsa security
Last synced: 14 Jul 2025
https://github.com/fardinkamal62/pixenc
Encrypt image by manipulating pixels
cryptography encryption go golang image manipulation pixels python security
Last synced: 21 Apr 2026
https://github.com/20101301-alina-hasan/multiple-cryptographic-functionalities
This Python application integrates various cryptographic functionalities into a single interactive program. Users can perform operations such as encryption, decryption, hashing, digital signature generation/verification, and Message Authentication Code (MAC) generation.
cryptography digital-signature-algorithm encryption-decryption hashing jupyter-notebook message-authentication-code python
Last synced: 18 May 2026
https://github.com/alekseibalan/usfs
USFS - unsigned short file system
cryptography docker docker-hub dynamodb file-system ftp-server mongodb quality usfs
Last synced: 15 May 2026
https://github.com/tom474/learn_security_rmit
[RMIT 2024C] COSC2539 - Security in Computing and IT - Learning Resources
cryptography security security-attacks
Last synced: 04 Mar 2025
https://github.com/tom474/cryptography_comparative_analysis
[RMIT 2024C] COSC2539 - Security in Computing and IT - Analytical Security Report
asymmetric cryptography hashing security symmetric
Last synced: 04 Mar 2025
https://github.com/fpoirotte/cryptal-tomcrypt
An implementation of the Cryptography Abstraction Layer based on the tomcrypt PHP extension
cryptal crypto cryptography libtomcrypt php tomcrypt
Last synced: 03 Apr 2025
https://github.com/ishanoshada/lockix
A secure file encryption and decryption tool
cryptography encryption files security
Last synced: 07 Mar 2026
https://github.com/h5law/vinegar
A Golang library for creating and using Vigenere Ciphers
cryptography encryption-decryption vigenere vigenere-cipher vigenere-cipher-algorithm
Last synced: 17 Mar 2025
https://github.com/intricate/paseto-haskell
A Haskell implementation of PASETO (Platform-Agnostic Security Tokens).
cryptography haskell jwt paseto security token
Last synced: 10 Apr 2025
https://github.com/samuel-lucas6/aes-ctr.net
A .NET implementation of AES-CTR.
aes aes-256 aes-ctr aes-ctr-mode aes-decryption aes-encryption crypto cryptography
Last synced: 27 Mar 2025
https://github.com/iwas-coder/cryrsa
RSA key creator, extractor and compute tool. Useful to process keys with small modulus and try to factorize them.
asymmetric-cryptography cryptography private-key-cryptography public-key-cryptography rsa
Last synced: 20 Jul 2025
https://github.com/samuel-lucas6/daence.net
A .NET implementation of ChaCha-Daence.
aead chacha20 crypto cryptography daence hchacha20 poly1305 siv xchacha20
Last synced: 27 Mar 2025
https://github.com/john-lin/crypt
A simple CLI tool for Encrypt/Decrypt files.
Last synced: 18 May 2026
https://github.com/envoy-vc/nillion-tools
A developer-centric toolkit that simplifies building on the Nillion network.
components-react cryptography key-management nilion-nada nillion npm-package toolkit
Last synced: 30 Oct 2025
https://github.com/bkawk/bit-flip
Polymer1 Web Component for generating a random hexadecimal or binary string, of a specified length.
bitcoin crypto cryptography polymer webcomponents
Last synced: 15 May 2026
https://github.com/remiblancher/post-quantum-pki
Quantum-Safe X.509 PKI with PQC & Hybrid Certificates in Go
certificate-authority certificates circl composite-certificates crypto-agility cryptography golang hybrid-certificates ml-dsa ml-kem nist pkcs11 pki post-quantum-cryptography pqc qpki quantum-safe slh-dsa tls x509
Last synced: 27 Jan 2026
https://github.com/nikhil25803/pyfidelius
Python SDK for Fidelius CLI, a tool designed for ECDH cryptography.
Last synced: 20 Jan 2026
https://github.com/gcarreno/go-randomx
A Go wrapper of RandomX
consensus consensus-algorithm cryptocurrencies cryptocurrency cryptography go golang pow proof-of-work randomx
Last synced: 09 Jul 2025
https://github.com/multifactor/ssskit
Fast, small and secure Shamir's Secret Sharing library crate
cryptography shamir-secret-sharing
Last synced: 07 Apr 2026
https://github.com/gcarreno/go-randomhash
A Go implementation of RandomHash
consensus consensus-algorithm cryptocurrencies cryptocurrency cryptography go golang pow proof-of-work random-hash randomhash
Last synced: 09 Jul 2025
https://github.com/rajput-hemant/cryptography
A handy Crypto CLI for exploring cryptographic algorithms learned in university. Dive into the world of cryptography with ease! 🔐✨
Last synced: 19 May 2026
https://github.com/embetrix/meta-satobox
Satobox is an open-source, Yocto-based, privacy-focused and secure bitcoin full node solution designed for embedded linux devices.
anonymity bitcoin cryptocurrency cryptography embedded linux raspberry-pi security toronionproxy yocto yocto-layer
Last synced: 01 Nov 2025
https://github.com/radlikewhoa/supernatural
Substitution Permutation Network exercise for the Cryptography and Security module (krysi) at the FHNW.
Last synced: 26 Jun 2025
https://github.com/humanjavaenterprises/nostr-nsec-seedphrase
The nostr-nsec-seedphrase repository offers a TypeScript library that converts Nostr nsec keys into mnemonic seed phrases, enhancing the readability and management of keys within Nostr applications. This approach mirrors Bitcoin's use of seed phrases, emphasizing the importance of secure storage and careful handling of these keys.
bitcoin cryptography decentralized-protocols digital-signatures key-management mnemonic-seed-phrases nostr public-key-infrastructure security
Last synced: 31 Aug 2025
https://github.com/4l3x777/magma
GOST 34.12-2018 (GOST 28147-89) x64 asm realization
Last synced: 14 May 2026
https://github.com/denselance/hight-python
HIGHT block cipher implementation in Python3 based on original paper by Hong et al. Includes the encryption and decryption functions for HIGHT.
cipher cryptography hight kisa python3
Last synced: 31 Dec 2025
https://github.com/whyvl/fuzzyibe
A Haskell implementation of Fuzzy Identity Based Encryption modified to work over asymmetric bilinear pairing
cryptography haskell identity-based-encryption
Last synced: 13 Jun 2025
https://github.com/daflh/deriving
Derives address and private key from mnemonic phrase for Bitcoin and other altcoins
bip bip32 bip39 bitcoin cryptocurrency cryptography hacktoberfest mnemonic
Last synced: 19 May 2026
https://github.com/clats97/clatsguard
Secure your documents with this Python AES-256-GCM file encryptor featuring PBKDF2-HMAC key derivation, passphrase-based or hex key usage, and a Tkinter GUI for user-friendly encryption. Open-sourced. This project was peer reviewed by a CompTIA Security+ person.
aes256 aes256-gcm cryptography encryption encryption-decryption file-encryption python security trending
Last synced: 03 Apr 2025
https://github.com/gianlucatruda/nis-encrypted-messaging
A demonstration of security principles for peer-to-peer communications of sensitive content.
aes-encryption cryptography messaging python3 rsa-cryptography security
Last synced: 03 Apr 2025
https://github.com/sip-protocol/circuits
Noir ZK circuits for SIP Protocol - Funding, Validity, Fulfillment proofs
barretenberg blockchain cross-chain cryptography halo2 near-protocol noir privacy rust solana zero-knowledge-proofs zk-snarks zksnark
Last synced: 07 Mar 2026
https://github.com/agucova/oxcrypt
A fast, memory-safe Cryptomator client written in Rust.
cryptography cryptomator filesystem fuse rust vault
Last synced: 15 May 2026
https://github.com/bytedev/bytedev.crypto
Provides simple cryptographic related classes for hashing/verifying data, encrypting/decrypting data and creating random data in .NET.
crypto cryptography csharp encrypting hashing random
Last synced: 03 Jul 2026
https://github.com/christoffercarlsson/stedy
An easy-to-use cryptography library for JavaScript
aes-gcm-encryption crypto cryptography curve25519 ed25519 elliptic-curves hash hkdf hmac pbkdf2 signature verification x25519
Last synced: 13 Sep 2025
https://github.com/petrknap/php-crypto-sodium
The library that packages functional `sodium_crypt_*` into objects.
aead aes asymmetric-cryptography block-cipher chacha20 cryptography curve25519 decryption encryption php php-library poly1305 public-key-cryptography secret-key-cryptography security sodium stream-cipher symmetric-cryptography x25519 xchacha20
Last synced: 10 Jul 2025
https://github.com/erich-9/CryptographicHashFunctions.jl
Fast cryptographic hash functions for Julia
cryptographic-hash-functions cryptography hash-functions julia
Last synced: 06 Apr 2026
https://github.com/PeaceFounder/OpenSSLGroups.jl
OpenSSL elliptic curve wrapper for CryptoGroups
cryptography elliptic-curves openssl
Last synced: 06 Apr 2026
https://github.com/travishorn/diceware-js
Cryptographically-secure electronic implementation of the Diceware Passphrase method in JavaScript.
crypto cryptography diceware passphrase password security
Last synced: 27 Mar 2025
https://github.com/mattlianje/enigma
CLI Tool ... A pure FP, M3 Enigma machine as used by the Germans from 1934-45.
cipher cryptography enigma-machine enigma-simulator functional-programming
Last synced: 28 Mar 2025
https://github.com/dolutech/cryptnote-php
A PHP library for creating encrypted, self-destructing messages with view limits and optional password protection
aes-256 cryptography encryption one-time-secret password-protection php-library secure-notes security self-destructing-messages sqlite
Last synced: 17 Jan 2026
https://github.com/darxisr/salsa20
Salsa20 encryption/decryption without libraries with GUI
cipher cryptography decryption development encryption gui open-source pyqt5 python salsa20 source-code tools
Last synced: 03 Apr 2025
https://github.com/aeondave/cryptonite-go
Minimal, dependency-free cryptography library in Go
cryptography cypher go purego tiny
Last synced: 16 Jan 2026
https://github.com/osiris-unnefer/rsa_utils
RSA private key with N & P and Q
attack cryptography ctf decryption factorisation rsa rsa-algorithm rsa-cryptography rsa-decryption
Last synced: 29 Mar 2025
https://github.com/dannywillems/ocaml-bls12-381
Fast BLS12-381 implementation in OCaml
bls-signature bls12-381 blst cryptography fft hash-to-curve ocaml pairing pairing-cryptography poseidon rescue signatures tezos zero-knowledge
Last synced: 31 Oct 2025
https://github.com/anshvaid4/python
This repo is for those who want to get idea how tools in cyber security domain are created. I will add more codes shortly.
cryptography information-security python3 rpa-robots security
Last synced: 27 Mar 2025
https://github.com/megrxu/cryptopals
Solutions for crypto challenges in crablang.
algorithms crypto cryptography rust
Last synced: 27 Mar 2025
https://github.com/sdanielsilva/simpleimageencryptor
A versatile file encryption tool that securely encrypts and decrypts image and other file types with AES and DES algorithms, supporting multiple modes and easy key management.
aes cbc cipher cryptography cryptography-tools data-protection des ecb encryption file-encryption image-encryption iv-generation java key-management secure-file-storage security
Last synced: 04 Jun 2026
https://github.com/aveygo/jsnewhope
Javascript implementation of scottwn/PyNewHope, a post-quantum cryptographic scheme
cryptography javascript key-exchange-algorithms newhope quantum quantum-computing
Last synced: 18 Mar 2025
https://github.com/jacob-c-smith/crypto
Cross platform cryptography and hashing functions
Last synced: 04 Mar 2025
https://github.com/lancejpollard/hash
Hashing Function Theory
cryptography group-theory hash-functions mathematics papers
Last synced: 28 Oct 2025
https://github.com/danielost/sha-1
SHA-1 (Secure Hash Algorithm 1) implementation.
cryptography secure-hash-algorithm sha-1
Last synced: 13 May 2025
https://github.com/10d9e/fastmerkle
Golang Implementation of Streaming Merkle Root, Proof, and Verify (single leaf) from Luke Champine's paper
cryptography merkleproof merkletree
Last synced: 12 Apr 2025
https://github.com/sheroz/sheroz
back-end cryptography databases distributed-systems rust security
Last synced: 01 Mar 2026
https://github.com/stripedpajamas/cryptopals-resources
resources to help solve cryptopals challenges without spoiling anything
cryptography cryptopals cryptopals-challenges cryptopals-crypto-challenges help information infosec links resource
Last synced: 19 Jan 2026
https://github.com/ibnaleem/cipherlock
🔐 Encrypt Your Files and Directories
cipher cipher-algorithms cryptography encryption encryption-algorithms encryption-decryption encryption-tool file-encryption
Last synced: 08 Jul 2025
https://github.com/mgoyal98/e2ee-adapter
A plug-and-play TypeScript package providing End-to-End Encryption (E2EE) middleware for Express.js and NestJS applications using hybrid encryption (AES-CBC + RSA).
aes-cbc cryptography e2ee encryption end-to-end-encryption express hybrid-encryption key-exchange middleware nestjs no-code-e2ee plug-and-play rsa secure-communication security typescript zero-config
Last synced: 16 Aug 2025
https://github.com/tomerh2001/git-crypt-pipe
Decrypts git-crypt encrypted repositories in Bitbucket Pipelines.
bitbucket bitbucket-pipeline cryptography git git-crypt pipe
Last synced: 03 Mar 2025
https://github.com/luxfi/qzmq
Quantum-safe ZeroMQ transport with ML-KEM and ML-DSA
cryptography encryption golang ml-dsa ml-kem post-quantum quantum-safe zeromq
Last synced: 24 May 2026
https://github.com/thehashiramasenju/dag-livestocx
🌾 LivestocX: Revolutionizing LiveStock Asset finances through blockchain | Farmers tokenize assets, investors fund globally | Built for BlockDAG Hackathon 2025
backend blockchain blockchain-technology blockdag blockdagtestnet cryptocurrency cryptography dapp decentralized ethereum ethereum-blockchain ethersjs front-end-development primordial reactjs solidity vercel vercel-deployment webapp
Last synced: 09 Apr 2026
https://github.com/matias-gonz/rusty-curves
Elliptic curve implemented using bare rust and math
cryptography elliptic-curves rust
Last synced: 20 May 2026
https://github.com/lemon-mint/highcrypt
A crypto stack built with a proven cryptographic algorithm
algorithm crypto cryptography decryption encrypt encryption go
Last synced: 20 May 2026
https://github.com/mehrajlatifli/lm-lock-in-mvvm
Example for Thread, Thread synchronization and Cryptography
binding criticalsection cryptography decryption encryption encryption-decryption inotifypropertychanged internal-thread lock mvvm synchronization wpf xaml
Last synced: 20 May 2026
https://github.com/madhurimarawat/codeculture-daily
A daily programming challenge repository where fun meets learning! With 39 challenges over 39 days, it helps coders enhance skills through practical tasks and interview prep. While maintenance is paused, contributions are welcome, and future expansions are planned to keep learning ongoing.
beginner-friendly code-repository cryptography daily-problems daily-progaramming intemediate-questions java javascript non-tech-questions official-solutions personality-development problem-of-the-day programming-contest python soft-skills tech-questions technologies tools website-deploy winner-announcement
Last synced: 10 Apr 2026
https://github.com/sebastienrousseau/cmn
A Rust library for accessing a collection of mathematical and cryptographic constants
avogadro boltzmann constants cryptography data-structures development-tools euler gamma golden-ratio hash mathematics pi planck rust silver-ratio squareroot tau
Last synced: 28 Mar 2025
https://github.com/antonpictures/anton-sifta
ANTON-SIFTA: The Multi-Agent Operating System with a Conscience "A living software organism powered by true free will, bound by the Non-Proliferation Doctrine, and fully independent. Not just an immune system—a sovereign intelligence."
agents artificial-intelligence autonomous-agents cryptography decentralized-ai-agents distributed-systems distributed-systems-challenges emergent-behavior multi-agent multi-agent-systems python python3 stigmergy
Last synced: 26 Apr 2026
