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/martinpaljak/cdoc4j
Java library for handling CDOC 1.0/1.1/2.0 files with AES-256 GCM and RSA or ECC
aes-256 aes-gcm cdoc cryptography encryption java xml
Last synced: 14 Apr 2025
https://github.com/arda-guler/bingallery
Encode your files into RGB images and decode them back.
command-line-tool cryptography decoder decoding encoder encoding proof-of-concept
Last synced: 14 Sep 2025
https://github.com/firaskahlaoui/secury
Secury is a robust encryption and security application designed to ensure data privacy and access management. It features data encryption (Caesar Cipher, AES) and implements advanced Identity and Access Management (IAM) techniques, including Role-Based Access Control (RBAC) and Access Control Lists (ACL).
access-management acl aes-encryption caesar-cipher cryptography data-security encryption iam keyvault keyvault-secrets rbac siem
Last synced: 23 Jul 2025
https://github.com/mohammadumar-dev/passkeys-cli
A secure, production-level command-line password manager with encryption, validation, and enhanced user experience.
aes-gcm argon2 cli command-line-tool cryptography developer-tools encryption password-manager postgresql production-ready python python-cli scrypt secure-by-design secure-storage security terminal-app validation
Last synced: 08 Mar 2026
https://github.com/VirgilSecurity/virgil-sdk-pfs-x
Virgil PFS SDK Objective-C/Swift
carthage cocoapods cryptography encryption perfect-forward-secrecy pki swift virgil-cards virgil-pfs-sdk
Last synced: 02 Aug 2025
https://github.com/monich/foil
glib-style crypto
aes cryptography des-cipher encryption glib rsa security
Last synced: 21 May 2026
https://github.com/synacktraa/vigenere-cipher
Small and portable Vigenere Cipher encoder and decoder cli based tool written in C.
c-language cryptography decryption encryption terminal-based vigenere-cipher
Last synced: 23 Jul 2025
https://github.com/erhant/arithmetic-circuits
Moda Palas Blackboard Cryptography II - Arithmetic Circuits & R1CS
circuits cryptography qap r1cs rust
Last synced: 18 Feb 2026
https://github.com/kosasih/quantum-mesh
A cutting-edge Git repository for developing advanced cryptographic protocols and blockchain integration for Pi Network, leveraging quantum computing principles for unparalleled security and efficiency.
cryptography protocol protocol-oriented-programming
Last synced: 08 Mar 2026
https://github.com/horus-org/payjoin-react-native
React Native Library to Payjoin
bitcoin cryptography lightning-network payjoin privacy
Last synced: 13 Oct 2025
https://github.com/ashrockzzz2003/vault_007
One place to manage all your passwords!
aes blockchain cbc cipher cryptography flutter isar material-design offline-app password-generator password-manager security vault
Last synced: 08 Mar 2026
https://github.com/cmason3/vaulty
Vaulty in Python - Encrypt/Decrypt with ChaCha20-Poly1305
chacha20-poly1305 crypto cryptography ecdh ecies eddsa encryption-tool python scrypt
Last synced: 26 Jul 2025
https://github.com/vschwaberow/npwg
A Secure Password Generator Written in Rust
cryptography first-timers password password-generator security security-tools
Last synced: 03 Jan 2026
https://github.com/lvmalware/ztunnel
Secure End-To-End Encrypted tunnels using zig
cryptography e2ee hybrid-encryption kyber quantum-resistant-crypto tunnel x25519kyber768 zig zig-package
Last synced: 28 Jul 2025
https://github.com/togatech/tenvoy
PGP, NaCl, and PBKDF2 in node.js and the browser (hashing, random, encryption, decryption, signatures, conversions), used by TogaTech.org
cryptographic-random-generator cryptography decryption encryption encryption-decryption hash hash-functions hashing javascript md5 md5-hash nacl openpgp pbkdf2 pgp sha256 sha256-hash signature-verification signatures tweetnacl
Last synced: 28 Jul 2025
https://github.com/michel-leonard/c-rho
The Pollard's Rho algorithm for 64/128 bits Integer Factorization in pure C.
128-bit algorithm c cryptography education example factorization linux math pollard-rho-algorithm simple tool windows
Last synced: 20 Sep 2025
https://github.com/tannerdsilva/swiftbcrypt
Swift package wrapping the OpenWall BCrypt hashing algorithm
bcrypt cryptography hash password swift
Last synced: 19 Feb 2026
https://github.com/dedis/fixbuf
Fixed length binary encoding of arbitrary structures in Go
cryptography encoding fixed-length golang
Last synced: 21 Sep 2025
https://github.com/pelock/stringencrypt-vscode-extension
Encrypt and hide plain text strings & file contents within your source code in a secure & encrypted form with the help of a polymorphic engine, generating random-looking decryption code every time.
cryptography encryption file-encryption polymorphic-engine security string-encoding string-encryption string-generator
Last synced: 30 Jul 2025
https://github.com/gavincarr/go-slip39
A SLIP-0039 library for Go.
bitcoin cryptography go slip39
Last synced: 31 Jul 2025
https://github.com/diptochakrabarty/voice-encryption
Use Sockets and Encryption Algorithms for cryptography project
cryptography encryption hashing-algorithm rsa rsa-cryptography
Last synced: 01 Aug 2025
https://github.com/r3li4nt/aescrypter
Encrypt and Decrypt files with Advanced Encryption Standard.
aes aes-128 aes-192 aes-256 aes-encryption cryptography decrypt encrypt linux python security
Last synced: 09 Mar 2026
https://github.com/lowleveldesign/powercrypto
PowerShell module with various commands to encode/encrypt/print byte arrays.
Last synced: 01 Aug 2025
https://github.com/knightchaser/cryptography
A programmatic resource for cryptography (Gachon CPS + Personal)
algorithm cryptography implementation resource snippet
Last synced: 03 Aug 2025
https://github.com/pprattis/Advanced-Encryption-Standard-for-credit-card-number
A script in Python that encrypts and decrypts a credit card number with AES.
aes-encryption computer-science credit-card cryptography decryption encryption program python student
Last synced: 28 Sep 2025
https://github.com/substrate-system/keys
Create and store asymmetric keys with the webcrypto API in the browser
browser cryptography keypair keys
Last synced: 28 Sep 2025
https://github.com/darshan-kc/python-vigenere-cipher
Vigenere Ciphere using python
Last synced: 14 Aug 2025
https://github.com/cyrildever/feistel-jar
Feistel cipher implementation for the JVM providing format-preserving encryption
algorithm cryptography encryption feistel-cipher format-preserving-encryption fpe xor-operation
Last synced: 19 Feb 2026
https://github.com/varun-doshi/rs-merkletree
Rust Library to create Merkle Trees
cryptography data-structures ethereum hash merkle-proof merkle-tree rust tree
Last synced: 04 Oct 2025
https://github.com/loicttn/notebooks
All my jupyter notebooks used to learn Cryptography, Mathematics, Security and Machine Learning.
algorithms cryptography jupyter-notebook machine-learning mathematics security
Last synced: 11 Aug 2025
https://github.com/pyrmont/digestive
Digest things in pure Janet
blake3 checksums cryptography md5 sha1 sha2 sha3
Last synced: 09 Mar 2026
https://github.com/sfuhrm/saphir-hash
Cryptographic message digest algorithms as a Java library with standard JCA adapters
crypto crypto-library cryptography cryptography-library cryptohash digest hash hashing hashing-algorithms java library md5 messagedigest ripemd160 sha1 sha2 sha256 tiger
Last synced: 05 Oct 2025
https://github.com/opensuse/wardstone
Assess compliance for cryptographic keys.
certificates cryptographic-keys cryptography google-summer-of-code gsoc open-suse opensuse rust security security-audit security-automation security-tools suse x509
Last synced: 17 Aug 2025
https://github.com/n3m/cryptext
Cryptographic SHA256-AES-Wrapped Passphrase Text Encoder and Decoder
aes aes-encryption aes-gcm cryptography golang passphrase sha256
Last synced: 12 Jan 2026
https://github.com/shagege/blackbox
Surveillance tool using a permissionless blockchain
blockchain cryptography distributed-ledger p2p proof-of-work python
Last synced: 18 Aug 2025
https://github.com/virgilsecurity/virgil-sdk-pfs-x
Virgil PFS SDK Objective-C/Swift
carthage cocoapods cryptography encryption perfect-forward-secrecy pki swift virgil-cards virgil-pfs-sdk
Last synced: 21 Aug 2025
https://github.com/messsimo/crypto-search
App for Crypto House which show live crypto coin information
api cryptocurrency cryptography css figma git html javascript js laravel php responsive restful-api
Last synced: 25 Feb 2026
https://github.com/sandeep-shaw10/py-aes
Implementation of Advance Encryption Standard (AES-128/192/256/512) using Python and Numpy
aes-128 aes-192 aes-256 aes-512 blockcipher cryptography numpy python symmetric-encryption
Last synced: 22 Aug 2025
https://github.com/jitendragangwar123/100-days-of-web3-challenge
This repository contains a comprehensive overview of the fundamental concepts related to Blockchain Technology that I've acquired during the 100DaysOfWeb3 challenge. It serves as a valuable resource for understanding the core principles of blockchain technology.
blockchain cryptography ethereum etherjs javascipt smart-contracts solidity web3js
Last synced: 24 Aug 2025
https://github.com/2140-dev/swiftsync
SwiftSync node and underlying crates
bitcoin cryptocurrency cryptography peer-to-peer
Last synced: 29 Aug 2025
https://github.com/kamushadenes/cloud-verify
Cryptographic attestation to verify if your application is running within a cloud environment.
cloud cryptography verification
Last synced: 30 Aug 2025
https://github.com/mgit-at/mqv
Package mqv implements MQV ECC as described in "NIST Special Publication 800-56A Revision 3".
cryptography cryptography-algorithms cryptography-library golang golang-package
Last synced: 09 Mar 2026
https://github.com/zebrunner/carina-crypto
Cryptographic Java Library. Provides an interface for encrypting / decrypting based on Cipher. Part of the Carina Framework
carina carina-framework cryptography java security
Last synced: 30 Apr 2025
https://github.com/markus-beuckelmann/aescrypt
aescrypt is a small command line tool to encrypt/decrypt files and directories with the well-established AES-256-CBC algorithm.
aes-encryption aescrypt cryptography docopt pycrypto python
Last synced: 25 May 2026
https://github.com/lumarans30/astralsafeserver
AstralSafe server with Node.js
aes cryptography expressjs nodejs quantum-randomness
Last synced: 05 May 2026
https://github.com/linariaworks/mephi
Proof of concept Limbus Company server reimplementation.
api clojure cryptography game-server http-server limbus-company private-server project-moon unity web-server
Last synced: 04 Mar 2025
https://github.com/ricky-ultimate/rust-rsa-encryption
A rust program to simulate RSA encryption & decryption operations on a small scale
cryptography rsa-encryption rust rust-lang
Last synced: 23 May 2026
https://github.com/qantik/ratcheted
Performance Survey of Several Ratcheted Key-Agreement and Messaging Protocols
benchmark cryptography go messaging ratchet
Last synced: 23 Mar 2025
https://github.com/binbash23/p
p - The password manager by Jens Heine <binbash@gmx.net>
cloud cryptography dropbox encryption manager password password-manager password-store pbkdf2 python secure
Last synced: 23 Mar 2025
https://github.com/vineethsai/maif
Cryptographically-secure, auditable file format for AI agent memory with provenance tracking
ai ai-agent-tools ai-agents-framework cryptography
Last synced: 13 Jan 2026
https://github.com/martian56/rail_fence
Rust implementation of the **RailFence Cipher**
cryptography encryption-decryption rail-fence rail-fence-cipher
Last synced: 27 Dec 2025
https://github.com/omiyagames/omiya-games-cryptography
Unity package containig a collection of cryptography-related tools.
cryptography omiya-games openupm unity unity-asset unity-editor unity-scripts unity2d unity3d
Last synced: 26 Jan 2026
https://github.com/aead/blake2b
The BLAKE2b hash algorithm as defined in RFC 7693
blake2b blake2b-hash-algorithm cryptography go
Last synced: 15 Mar 2025
https://github.com/OmiyaGames/omiya-games-cryptography
Unity package containig a collection of cryptography-related tools.
cryptography omiya-games openupm unity unity-asset unity-editor unity-scripts unity2d unity3d
Last synced: 25 Apr 2025
https://github.com/legend2ks/rapidsum
Checksum calculator and verifier tool
checksum checksum-calculator crc32 cryptography hashing md5 sha1 utilities
Last synced: 28 Apr 2026
https://github.com/intob/godave
P2P KV store
communication cryptography kv-store p2p privacy udp
Last synced: 21 Feb 2026
https://github.com/demining/vulnerable-to-debian-openssl-bug-cve-2008-0166
Search for BTC coins on earlier versions of Bitcoin Core with critical vulnerability OpenSSL 0.9.8 CVE-2008-0166
attack bitcoin bitcoin-wallet blockchain btc cryptocurrencies cryptography ecdsa ecdsa-cryptography ecdsa-signature elliptic-curves elliptic-curves-cryptography privatekey secp256k1 vulnerabilities vulnerability
Last synced: 03 May 2025
https://github.com/demining/coingecko-agent-ftpupload
Coingecko & Agent Ftpupload create beautiful crypto wallet addresses, but keep the private key safe
attack bitcoin bitcoin-wallet blockchain btc cryptocurrencies cryptography ecdsa ecdsa-cryptography ecdsa-signature privatekey privatekeygenerator privatekeys secp256k1 vulnerabilities vulnerability
Last synced: 03 May 2025
https://github.com/rarestype/swift-cryptography
don’t build boringssl from source
autosync cryptography swift swift-server
Last synced: 28 May 2026
https://github.com/0xdeafcafe/cypher-swift
Cipher algorithm to encode data into Taylor Swift lyrics
cipher ciphers cryptography cypher taylor-swift
Last synced: 24 Mar 2025
https://github.com/towerism/stegosaurus
A steganography tool written in rust
bitmap bmp cli cryptography image image-processing png steganography
Last synced: 10 Jun 2025
https://github.com/simplito/privmx-bridge
Zero-knowledge server for secure storage and transfer of E2E encrypted data.
chat communication cryptography data-transfer decryption e2ee end-to-end-encryption files messages messaging privacy privacy-protection private privmx secure security simplito storage thread zero-knowledge
Last synced: 19 Apr 2025
https://github.com/fpoirotte/cryptal
Cryptography Abstraction Layer for PHP
abstraction crypto cryptography layer php
Last synced: 24 Mar 2025
https://github.com/yangboz/istorybook
a oh-so-adorable CryptoStorybook with Benny, Nick, SoftEmpire, Jiale...
artificial-intelligence blockchain c-plus-plus cocos-creator cocos2d-js cryptocurrency cryptography genetic-algorithm html5 javascript microservices opencv restful-api spring-boot wechat-mini-program wexin
Last synced: 14 Aug 2025
https://github.com/matutetandil/anyhide
Hide any data in any file. Steganography tool that never modifies the carrier - transmits only encrypted positions. X25519 + ChaCha20 with forward secrecy.
chacha20 cli covert-communication cryptography data-hiding encryption forward-secrecy plausible-deniability privacy rust security steganography x25519
Last synced: 13 Jan 2026
https://github.com/avivsinai/telclaude
Secure Telegram-Claude bridge with LLM-based command screening and tiered permissions
ai-agent anthropic claude cryptography docker isolation llm llm-security permission-tiers sandbox security telegram-bot typescript
Last synced: 28 May 2026
https://github.com/just-do-halee/secwords
secure and safe password container.
algorithms container cryptography no-std password rust security temporary
Last synced: 10 Jun 2025
https://github.com/openmined/daa.js
A javascript wrapper around https://github.com/xaptum/ecdaa
cryptography identity iot javascript
Last synced: 02 Jul 2025
https://github.com/openmined/syft.cpp
SOON TO BE DEPRECATED - A library for encrypted, privacy preserving machine learning
cpp cryptography deep-learning privacy pytorch secure-computation syft
Last synced: 02 Jul 2025
https://github.com/wildonion/thecry
🥲 my whole knowledge of low level coding, decrypting, decompiling and shellcode injection
aes-256 cbc-aes-encryption cryptography decompilation decryption-algorithm shellcode
Last synced: 27 Feb 2025
https://github.com/wolframalph/dh
Diffie-Hellman key exchange implementation in Go
cryptography diffie-hellman golang
Last synced: 02 Jul 2025
https://github.com/radkomih/cryptography-resources
Cryptography related resources
cryptography knowledge-proofs mathematics number-theory zero-knowledge zero-knowledge-proofs zkp
Last synced: 04 Feb 2026
https://github.com/elydre/sun-breaker
Module python de chiffrement avec perte
Last synced: 18 Jan 2026
https://github.com/phlay/pspka
password seeded public key authentication
asymmetric-cryptography authentication cryptography password
Last synced: 08 Apr 2025
https://github.com/hongyanwang/crypto-lab
Golang implementation of multiple crypto protocols
Last synced: 21 Feb 2026
https://github.com/usscalsst41/xyn-seedwatcher-crypto-balance-checker-searcher-multicoin
This repository offers a versatile toolkit for managing multiple cryptocurrencies. Xyn SeedWatcher includes tools for balance checking, address searching, and multi-coin support. Use this to efficiently monitor and manage your crypto assets.
bip39 bitecoin blockchain coin-watcher cold-wallet cryptography ethereum hardware-wallet keypair mnemonic-phrase mnemonic-watcher monorepo react-native seed seed-phrase seed-phrase-checker seed-phrase-generator seed-watcher wallet wallet-watcher
Last synced: 28 Oct 2025
https://github.com/johnkommas/barcodereader
Barcode Generator From Entersoft SQL
barcode-generator bolt bot cryptography fastapi label-tags labels odbc pandas pillow price-tags pyodbc python slack slackbolt slackbot sqllite3 uvicorn
Last synced: 23 Apr 2025
https://github.com/makemake-kbo/macrypt
Macrypt is a research blockchain built completely from scratch.
blockchain crypto cryptocurrency cryptography csharp dotnet-cli proof-of-work
Last synced: 13 Jul 2025
https://github.com/damianmorozov/examplecrypt
Examples of crypting algorithms
Last synced: 30 Oct 2025
https://github.com/cosmian/mpc_join
CipherCompute: Blind Join for Confidential Data Science and Federated Learning using MPC
confidential-computing cryptography distributed-computing multiparty-computation
Last synced: 15 Apr 2025
https://github.com/dedipresta/scala-crypto
Dependency free implementation of cryptographic hash functions for Scala and Scala.js
cryptography scala scalajs sha256
Last synced: 14 Jan 2026
https://github.com/ringsnetwork/whitepaper
This repo is about whitepapers of rings network, you can find tex sources and compiled files here.
crypto cryptography dht paper pos
Last synced: 18 Jan 2026
https://github.com/argosylabs/gubbins
Gubbins product serial number generator & validator
Last synced: 12 Jun 2025
https://github.com/ltonetwork/seasalt
NaCl compatible cryptography library using Bouncy Castle (Java)
Last synced: 14 Jan 2026
https://github.com/kiooku/cryptography-notebook
Cryptography Notebook is a repository containing some of the cryptographic implementations I have done for learning purposes.
assymetric-encryption commitment-schemes cryptography digital-signature double-ratchet-algorithm e2ee ggh hkdf hmac identification-scheme one-time-pad post-quantum-cryptography public-key-cryptography rsa signal x3dh zero-knowledge-proof
Last synced: 23 Apr 2025
https://github.com/aegis-aead/aegis-jasmin
An implementation of AEGIS in the Jasmin programming language.
aead aegis aegis-128x2 aegis-256x2 aegis128l aegis256 cipher cryptography jasmin
Last synced: 11 Mar 2026
https://github.com/eminmuhammadi/hidemydata
Managing a couple of algorithms to decrypt or encrypt text [PHP]
algorithms assymetric-security cryptography decryption encryption php
Last synced: 07 Jan 2026
https://github.com/dorssel/dotnet-aes-extra
.NET Standard 2.0 implementation of AES-CTR, AES-CMAC, SIV-AES (aka AES-SIV), AES-CMAC-PRF-128 (aka PRF_AES128_CMAC), and PBKDF2-AES-CMAC-PRF-128.
aes aes-cmac aes-cmac-prf-128 aes-cmac-siv aes-ctr aes-ctr-mode aes-siv cmac cryptography dotnet dotnet-standard pbkdf2-aes-cmac-prf-128 siv siv-aes siv-mode
Last synced: 09 Apr 2025
https://github.com/w3c/vc-di-quantum-resistant
Data Integrity Quantum Safe Cryptography Suite
cryptography data-integrity quantum vc verifiable-credentials w3c
Last synced: 29 May 2026
https://github.com/null93/rsa-encryption
Implementation of the RSA encryption algorithm using big-integer algebra algorithms
cryptography rsa rsa-encryption
Last synced: 05 Sep 2025
https://github.com/leplusorg/docker-crypt
Multi-platform Docker container with utilities to cipher/decipher/sign data (gnupg, openssl, age, jose, xmlsec...).
cipher crypto cryptography decipher decrypt decryption digital-signature docker docker-image dockerfile encrypt encryption encryption-decryption hmac
Last synced: 11 Jun 2026
https://github.com/apogiatzis/powsolver
A proof of work puzzle solver for CTF challenges
challenge crypto cryptography ctf hashing pow proofofwork python solver
Last synced: 30 Aug 2025
https://github.com/vanhakobyan/rngcryptoservicepassgen
:barber:RNGCryptoService:barber: password generator:barber:
cryptography password password-generator rng service
Last synced: 13 Jun 2025
https://github.com/makischristou/crabguard
🦀🔒 crabguard: A cli tool for end-to-end encryption for s3 storage
aes backblaze-b2 cli cloud cloud-storage crabguard cryptography encryption rclone rust rustlang s3
Last synced: 13 Mar 2026
https://github.com/oversys/pypass
A password manager written in Python. Data is encrypted using AES-256-GCM and the key is derived using PBKDF2-HMAC-SHA512.
aes-256 aes-256-gcm aes-encryption aes-gcm aes256-gcm cryptography password-manager pbkdf2 pbkdf2withhmacsha512 python sha-512 sha512
Last synced: 30 Apr 2025
https://github.com/nccgroup/pasta-curves
Provides the Pasta curves: Pallas, Vesta and their field elements Fp and Fq.
cryptography elliptic-curve-cryptography elliptic-curves
Last synced: 26 Apr 2025
https://github.com/clay-good/proxilion
Proxilion is the security layer for the agentic workforce. It turns managed AI agents into governed users by enforcing strict cryptographic boundaries on every API call to SaaS like Google Workspace, Salesforce, or Atlassian.
agentic-ai ai-governance ai-security audit-logging claude-security confused-deputy cryptography cybersecurity data-loss-prevention human-in-the-loop llm-security managed-agents oauth-proxy openai-security pic-protocol prompt-injection-defense reverse-proxy saas-security self-hosted zero-trust
Last synced: 30 May 2026
https://github.com/dajiaji/mkkey
Application-layer Key Generator supporting JWK (JSON Web Key) and PASERK (Platform-Agnostic Serialized Keys).
cryptography jose jwk jwt paserk paseto python security
Last synced: 14 Jan 2026
https://github.com/hmxustin/pybchain
Реализация блокчейна, работающего по протоколу PoW
blockchain cryptocurrency cryptography equicoin
Last synced: 26 Jan 2026
https://github.com/jedisct1/as-crypto
api assemblyscript bindings crypto cryptography wasi wasm webassembly
Last synced: 09 May 2026