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: 2026-06-16 00:06:52 UTC
JSON Representation

https://github.com/mmaker/zkalc

A web tool that helps you compare and visualize the performance of cryptographic operations

benchmarks cryptography

Last synced: 06 Apr 2025

https://github.com/cher-nov/cryptg

Official Telethon extension to provide much faster cryptography for Telegram API requests.

aes aes-ige crypto cryptography encryption ige module mtproto package python telegram telethon

Last synced: 19 Feb 2026

https://github.com/cloudflare/opaque-ts

A TypeScript library for OPAQUE Asymmetric Password-Authenticated Key Exchange Protocol

crypto cryptography opaque pake password

Last synced: 08 Apr 2025

https://github.com/status-im/nim-stint

Stack-based arbitrary-precision integers - Fast and portable with natural syntax for resource-restricted devices.

arbitrary-precision arm bigint biginteger bignum bignumber blockchain cryptography embedded ethereum math mips multi-precision nim number-theory risc-v

Last synced: 03 Sep 2025

https://github.com/0xPolygonZero/r1cs

A Rust library for building R1CS gadgets

cryptography r1cs zk-snarks

Last synced: 18 Apr 2025

https://github.com/lurk-lang/arecibo

An advanced fork of Nova (contact:@huitseeker)

cryptography nova r1cs zero-knowledge

Last synced: 12 Dec 2025

https://github.com/danang-id/simple-crypto-js

Simplified AES cryptography for safer and easier encryption and decryption processes of any JavaScript objects.

crypto-js cryptography decryption ecmascript5 encryption javascript-library typescript

Last synced: 05 Apr 2025

https://github.com/virgilsecurity/virgil-crypto

Virgil Crypto is a high-level cryptographic library that allows you to perform all necessary operations for secure storing and transferring data and everything required to become HIPAA and GDPR compliant. Crypto Library is written in C++, suitable for mobile and server platforms and supports bindings with: Swift, Obj-C, Java (Android), С#/.NET, JS, Python, Ruby, PHP, Go.

bsd3 c c-plus-plus crypto cryptography e2ee encryption end-to-end-encryption gdpr hipaa pythia

Last synced: 09 Oct 2025

https://github.com/cossacklabs/hermes-core

Security framework for building multi-user end-to-end encrypted data storage and sharing/processing with zero leakage risks from storage and transport infrastructure.

access-control crypto-library cryptography cryptography-library encryption end-to-end-encryption hermes security

Last synced: 30 Apr 2025

https://github.com/fraunhofer-aisec/rabe

rabe is an Attribute Based Encryption library, written in Rust

abe attribute-based-encryption cryptography order-preserving-encryption pairing-based rust rust-library somewhat-homomorphic

Last synced: 03 Jul 2025

https://github.com/hpgrahsl/kryptonite-for-kafka

Kryptonite for Kafka is a client-side 🔒 field level 🔓 cryptography library for Apache Kafka® offering a Kafka Connect SMT, ksqlDB UDFs, and a standalone HTTP API service. It's an ! UNOFFICIAL ! community project

apache-kafka cryptography encryption-decryption end-to-end-encryption field-level-encryption kafka kafka-connect ksqldb smt transformations udfs user-defined-functions

Last synced: 16 Mar 2025

https://github.com/nulltea/zk-timelock

Arkworks circuits for verifiable time-lock encryption

arkworks bls12-381 cryptography encryption timelock zero-knowledge

Last synced: 14 Oct 2025

https://github.com/zkat/ssri

Standard Subresource Integrity library for Node.js

cryptography hashing npm security sri subresource-integrity verification

Last synced: 22 Jul 2025

https://github.com/yandex/argon2

Implementation of argon2 (i, d, id) algorithms with CPU dispatching

argon avx2 blake2b cryptography

Last synced: 12 Apr 2025

https://github.com/jedisct1/zig-charm

A Zig version of the Charm crypto library.

charm crypto cryptography lightweight xoodoo zig zig-package ziglang

Last synced: 11 Apr 2025

https://github.com/flewsoftware/filecrypt

A super easy file encryption utility written in go and under 800kb

cryptography decryption encryption encryption-utility small

Last synced: 15 Jan 2026

https://github.com/Fraunhofer-AISEC/rabe

rabe is an Attribute Based Encryption library, written in Rust

abe attribute-based-encryption cryptography order-preserving-encryption pairing-based rust rust-library somewhat-homomorphic

Last synced: 20 Mar 2025

https://github.com/accenture/mercury

Reference engine for event-driven applications

activemq-artemis cloud-connectors composable-architecture cryptography distributed-tracing event-driven event-over-http event-over-mesh event-stream hazelcast inter-service-communications kafka microservices msgpack reactive rest-automation spring-boot streams tibco vertx

Last synced: 05 Apr 2025

https://github.com/google/webcrypto.dart

Cross-platform implementation of Web Cryptography APIs

crypto cryptography dart flutter webcrypto

Last synced: 08 Oct 2025

https://github.com/Accenture/mercury

Reference engine for event-driven applications

Last synced: 27 Feb 2025

https://github.com/aegis-aead/libaegis

Portable C implementations of the AEGIS family of high-performance authenticated encryption algorithms.

aead aegis aegis128l aegis128x aegis256 aegis256x cipher cryptography libaegis zig-package

Last synced: 07 Apr 2025

https://github.com/skalenetwork/skale-consensus

If you like this project, please ⭐ it on GitHub!!Running the very core of SKL network, SKALE BFT consensus is universal, modern, modular, high-performance, asynchronous, provably-secure, agent-based Proof-of-Stake blockchain consensus engine in C++ 17. Includes provably secure embedded Oracle. Used by SKALE elastic blockchains.

asynchronous bft consensus consistency cpp cryptography distributed-systems skale-network

Last synced: 09 Apr 2026

https://github.com/daedalus/breakingecdsawithlll

Breaking ECDSA (not so broken) with LLL

cryptography cve-2024-31497 ecdsa lattice-reduction lll trailofbits

Last synced: 05 May 2025

https://github.com/iohzrd/identia

Decentralized, censorship resistant social media on IPFS.

cryptography decentralized distributed identity ipfs media p2p publishing social social-media social-network svelte sveltejs

Last synced: 14 Mar 2025

https://github.com/mirage/mirage-crypto

Cryptographic primitives for OCaml, in OCaml (also used in MirageOS)

aes cryptography dh dsa fortuna mirageos ocaml rng rsa sha2

Last synced: 10 Feb 2026

https://github.com/dajiaji/pyseto

A Python implementation of PASETO and PASERK.

cryptography encryption paserk paseto python security signature token

Last synced: 16 May 2025

https://github.com/serengil/LightPHE

A Lightweight Partially Homomorphic Encryption Library for Python

benaloh cryptography cyber-security damgard-jurik elgamal elliptic-curve elliptic-curve-cryptography encryption goldwasser-micali homomorphic homomorphic-encryption homomorphism naccache-stern okamoto-uchiyama paillier partially-homomorphic phe public-key-cryptography python rsa

Last synced: 25 Apr 2025

https://github.com/nitram509/macaroons.js

Javascript implementation of Macaroons: Cookies with Contextual Caveats for Decentralized Authorization in the Cloud.

authentication crypto crypto-library cryptography cryptography-library javascript macaroons typescript typescript-library

Last synced: 15 Oct 2025

https://github.com/snipsco/rust-paillier

A pure-Rust implementation of the Paillier encryption scheme

cryptography homomorphic-encryption paillier rust secure-computation

Last synced: 16 Jul 2025

https://github.com/ibm/ipfsfb

InterPlanetary File System for Business (IPFSfB) is an enterprise blockchain storage network based on InterPlanetary File System.

blockchain cryptography distributed-file-system ipfs networking p2p protocol

Last synced: 07 Oct 2025

https://github.com/secretflow/yacl

YACL (Yet Another Common crypto library) is a C++ library that contains cryptography, network and io modules which other SecretFlow code depends on.

crypto cryptography cryptography-library dpf gm lpn oblivious-transfer ot psi psu secure-computation svole vole

Last synced: 02 Apr 2026

https://github.com/eshard/scared

Make your first side-channel attack on public datasets with eShard. This is a mirror of scared Gitlab repository. All contributions and merge request must be done through Gitlab project.

cryptography python side-channel side-channel-channel-attack traces

Last synced: 12 Jul 2025

https://github.com/stainless-steel/md5

MD5 hash function

algorithms checksum cryptography digest hash md5

Last synced: 04 Apr 2025

https://github.com/kakwa/uts-server

Micro RFC 3161 Time-Stamp server written in C.

c civetweb cryptography openssl rfc-3161 security time-stamp

Last synced: 26 Jul 2025

https://github.com/dapperlabs/dapper-contracts

Smart Contract for Dapper

cryptocurrency cryptography ethereum ethereum-contract multi-signature smart-contracts solidity wallet

Last synced: 22 Jan 2026

https://github.com/minibolt-guide/minibolt

A step-by-step guide to building a Bitcoin & Lightning node, and other stuff on a personal computer

bitcoin bitcoin-wallet cryptocurrency cryptography diy electrum guide lightning lightning-network nostr p2p security self-hosted server web

Last synced: 05 Apr 2025

https://github.com/monax/hoard

Hoard is a stateless, deterministically encrypted, content-addressed object store.

aes-gcm azure convergent cryptography daemon encryption filesystem gcs grpc hoard ipfs s3 storage-backend

Last synced: 28 Aug 2025

https://github.com/erhant/moonmath

Solutions to exercises from MoonMath Manual to zkSNARKs.

algebra cryptography mathematics sage web3 zero-knowledge

Last synced: 28 Jan 2026

https://github.com/lunal-dev/home

Lunal is the AI confidential compute platform. We run your AI workloads (inference, training, agents) inside hardware-encrypted environments called Trusted Execution Environments (TEEs). Your data and code stay private while being processed. Your code can't be tampered with. You can cryptographically verify both claims without trusting us.

confidential-computing cryptography privacy security tee trusted trusted-computing verifiability zero-knowledge

Last synced: 04 Apr 2026

https://github.com/watfaq/softu2f-win

Software U2F authenticator for Windows

cryptography driver fido-u2f u2f-authenticator windows

Last synced: 11 Jul 2025

https://github.com/sdiehl/schnorr-nizk

Schnorr Protocol for Non-interactive Zero-Knowledge Proofs

commitment cryptography elliptic-curves proof-of-knowledge schnorr-protocol sigma zero-knowledge

Last synced: 11 Jun 2025

https://github.com/oasisprotocol/curve25519-voi

High-performance Curve25519/ristretto255 for Go.

batch-verification cryptography cryptography-algorithms curve25519 ed25519 go golang ristretto255 sr25519 x25519

Last synced: 16 May 2025

https://github.com/vuvuzela/alpenhorn

Bootstrapping Secure Communication without Leaking Metadata

cryptography golang messaging metadata pki privacy research vuvuzela

Last synced: 17 Jan 2026

https://github.com/jsign/go-kzg-ceremony-client

Ethereum EIP-4844 KZG Powers of Tau ceremony client

bls12-381 cryptography eip4844 ethereum kzg powers-of-tau

Last synced: 16 Mar 2025

https://github.com/dajiaji/hpke-js

A Hybrid Public Key Encryption (HPKE) module built on top of Web Cryptography API.

aead cryptography encryption hpke kdf kem kyber ml-kem post-quantum pqc rfc9180 security webcrypto x-wing

Last synced: 01 Mar 2026

https://github.com/fadeevab/cocoon

Simple and reliable secure storage with strong encryption and format validation.

cryptography encryption rust

Last synced: 08 May 2025

https://github.com/abderraouf-adjal/ArduinoSpritzCipher

Spritz encryption system portable C library, CSPRNG, cryptographic hash and MAC functions, symmetric-key data encryption, and general-purpose functions. It's also an Arduino library.

algorithms arduino arduino-library c crypto crypto-library cryptography embedded encryption hash microcontroller random-bytes spritz spritz-library

Last synced: 14 Mar 2025

https://github.com/luker983/nsa-codebreaker-2020

My solutions to the 2020 NSA Codebreaker Challenge

cryptography ctf ctf-challenge ctf-challenges ctf-solutions ctf-writeups forensics reverse-engineering security vulnerability write-up write-ups

Last synced: 12 Mar 2026

https://github.com/thalesgroup/sshizzle

Serverless, Zero-Trust SSH for Microsoft Azure

azure azure-functions cloud cryptography devops devops-tools golang remote-access security serverless ssh zero-trust

Last synced: 07 Apr 2025

https://github.com/zapek/xeres

A Peer-to-Peer (Friend-to-Friend), decentralized, encrypted and secure application designed for communication and sharing.

chat cryptography decentralization decentralized distributed f2f friend-to-friend i2p java javafx javafx-desktop-apps p2p peer-to-peer privacy retroshare tor

Last synced: 09 Apr 2025

https://github.com/mrrazvi/blockchain-development

A complimentary course for an understanding of blockchain and its development like custom blockchain, dapps, etc.

bitcoin blockchain course cryptography dapps ethereum roadmap security smart-contracts

Last synced: 07 May 2025

https://github.com/Tierion/merkle-tools

JavaScript tools for creating Merkle trees, generating merkle proofs, and verification of merkle proofs.

bitcoin cryptography hash merkle merkle-tree

Last synced: 08 Apr 2025

https://github.com/tink-crypto/tink-py

Python implementation of Tink

aws-kms crypto cryptography gcp-kms google-cloud-kms python security

Last synced: 30 Jan 2026

https://github.com/karasiq/shadowcloud

Universal cloud storage client

cloudstorage cryptography scala

Last synced: 19 Apr 2025

https://github.com/enquo/pg_enquo

Postgres extension to allow encrypted query operations

cryptography encryption enquo hacktoberfest postgresql rust security

Last synced: 27 Feb 2025

https://github.com/algertc/homebrew-kleopatra4mac

Kleopatra4Mac is an all-in-one prebuilt port of KDE's GPG utility for use on MacOS.

arm bottle crypto cryptography gnu gnupg gpg homebrew kde m1 m1-mac mac macos pgp

Last synced: 27 Mar 2025

https://github.com/frankmorgner/openpace

Cryptographic library for EAC version 2

c certificate cryptography eac mrtd openssl pace smartcard

Last synced: 06 Apr 2025

https://github.com/jeong0982/gkr

zero knowledge proof aggregator for general circuit

aggregator circom cryptography zkp

Last synced: 17 Aug 2025

https://github.com/chainski/aes-encoder

PowerShell Obfuscator. A PowerShell script anti-virus evasion tool

aes-encoder amsi-bypass av-evasion cobalt-strike crypter cryptography ctf-tools encrypt-powershell-script encryption fud hacking penetration-testing powershell powershell-bypass-amsi powershell-obfuscator powershell-tools red-team security security-tools xencrypt

Last synced: 16 Jul 2025

https://github.com/tleonhardt/practical_cryptography_engineering

Cryptography code examples using libsodium and mbedtls C libraries and Python cryptography and PyNaCl modules

c cryptography libsodium mbedtls practical python

Last synced: 24 Oct 2025

https://github.com/numsu/nanocurrency-web-js

Toolkit for Nano cryptocurrency client side offline integrations without requiring NodeJS functions

blockchain cryptocurrency cryptography nano nanocurrency

Last synced: 11 Jun 2026

https://github.com/filefilego/filefilego

Decentralized Data Sharing Network - A Peer-to-peer, censorship-resistant, and a privacy-focused data sharing network

bitcoin blockchain blockchain-technology censorship-resistance cryptocurrency cryptography decentralized download-manager ethereum file-sharing libp2p p2p peer-to-peer privacy proof-of-existence proof-of-stake proof-of-transfer search-engine storage-engine wallet

Last synced: 07 Apr 2025

https://github.com/ahenzinger/simplepir

The reference implementation of SimplePIR and DoublePIR, accompanying the paper "One Server for the Price of Two: Simple and Fast Single-Server Private Information Retrieval" (USENIX Security 2023).

cryptography

Last synced: 15 Feb 2026

https://github.com/coyim/otr3

A Go implementation of the OTR 3 protocol, with libotr 4.1.0 feature parity

cryptography otr

Last synced: 11 Jul 2025

https://github.com/ihebski/factordb

RSA primes numbers /RSA/CTFs

cryptography ctf ctf-challenges factordb factorization rsa-cryptography

Last synced: 11 Sep 2025

https://github.com/regnull/ubikom

Free, secure communications for everyone, powered by decentralized private identity.

cryptography distributed-identity email golang messaging self-sovereign-identity

Last synced: 17 Jul 2025

https://github.com/grosquildu/cryptoattacks

Implementation of attacks on cryptosystems

cryptoanalysis cryptography ctf-tools

Last synced: 15 Apr 2025

https://github.com/jezachen/ssepy

SSEPy: Implementation of searchable symmetric encryption in pure Python

cryptography encryption python searchable-encryption searchable-symmetric-encryption security sse

Last synced: 21 Mar 2025

https://github.com/mysto/java-fpe

FPE - Format Preserving Encryption with FF3 in Java

anonymization crypto cryptography encryption ff3 format-preserving-encryption fpe java nist-recommendation privacy-enhancing-technologies privacy-tools tokenizaiton

Last synced: 14 Jan 2026

https://github.com/rozbb/rust-hpke

An implementation of the HPKE hybrid encryption standard (RFC 9180)

cryptography rust

Last synced: 09 Apr 2025

https://github.com/ImKcat/CatCrypto

An easy way for hashing and encryption.

argon2 asymmetric crypto cryptography encryption hashing ios md2 md4 md5 md6 message-digest password-hash sha1 sha2 sha3 swift

Last synced: 02 Aug 2025

https://github.com/jedisct1/rust-sthash

Very fast cryptographic hashing for large messages.

crypto cryptography digest fast hash nhpoly1305 rust uhf

Last synced: 04 Apr 2025

https://github.com/paulmillr/scure-starknet

Audited & minimal JS implementation of Starknet cryptography.

cryptography pedersen poseidon stark stark-curve starkex starknet

Last synced: 05 Oct 2025

https://github.com/tendermint/yubihsm-rs

Pure Rust client for YubiHSM2 devices

cryptography digital-signatures ecdsa ed25519 hsm rust yubico yubihsm

Last synced: 07 Apr 2025

https://github.com/youngqqcn/qblockchainnotes

区块链开发学习笔记(持续更新...)

bitcoin blockchain cryptography ethereum exchange monero

Last synced: 26 Jan 2026

https://github.com/ZenGo-X/multi-party-bls

Threshold BLS signatures in Rust

cryptography

Last synced: 18 Apr 2025

https://github.com/firaenix/bsv-wasm

BSV stdlib written in Rust and runs in WASM environments

bitcoin bitcoin-sv bsv cryptography rust wasm webassembly

Last synced: 09 Mar 2026

https://github.com/sodium-friends/sodium-universal

Universal wrapper for sodium-javascript and sodium-native working in Node.js and the Browser

browser cryptography libsodium nodejs universal

Last synced: 30 Oct 2025

https://github.com/shantoroy/intro-2-cybersecurity-in-python

This is a repository containing Python code examples for educational purposes in the field of cybersecurity. The code covers topics such as malware, security strategies, and more. It is a useful resource for those interested in learning about the technical aspects of cybersecurity.

backdoor cryptography cybersecurity dictionary-attack fake-data honeypot malware python ransomware security security-education security-tools virus worm

Last synced: 09 Apr 2025

https://github.com/holepunchto/sodium-universal

Universal wrapper for sodium-javascript and sodium-native working in Node.js and the Browser

browser cryptography libsodium nodejs universal

Last synced: 27 Jan 2026

https://github.com/kudelskisecurity/EdDSA-fault-attack

Fault attack agaisnt EdDSA demonstrated on an Arduino Nano board, allowing for partial key recovery and fake signatures.

arduino-nano attack cryptography eddsa fault-attack faulted-signatures hardware-security research

Last synced: 01 Aug 2025

https://github.com/posener/sharedsecret

Implementation of Shamir's Secret Sharing algorithm.

algorithms cryptography go golang secret-sharing shamir-secret-sharing sss

Last synced: 06 Mar 2026

https://github.com/thor314/pebble-stark

A community-developed re-implementation of the Starkware Stone Prover

cairo community cryptography prover stark starkware zero-knowledge zk

Last synced: 03 Apr 2025

https://github.com/pymmdrza/richwalletprivatekeyfinder

PrivateKey Finder All Rich Address wallet ETH

bitcoin cryptocurrency cryptography ethereum ethereumrichwalletlist python rich richwallet

Last synced: 07 Apr 2025

https://github.com/screetsec/imr0t

imR0T: Send a quick message with simple text encryption to your whatsapp contact and protect your text by encrypting and decrypting, basically in ROT13 with new multi encryption based algorithm on ASCII and Symbols Substitution

bash-script cryptography encryption-algorithms encryption-decryption encryption-tool hacking-tool kali-linux rot13 symbolic-manipulation whatsapp-api

Last synced: 27 Oct 2025

https://github.com/handshake-org/goosig

Anonymous RSA signatures

cryptography privacy rsa

Last synced: 05 May 2025

https://github.com/symbolicsoft/verifpal

Cryptographic protocol analysis for real-world protocols.

cryptographic-protocols cryptography formal-methods formal-verification protocol-analysis protocol-verification symbolic-protocol-analysis

Last synced: 10 Feb 2026

https://github.com/r4sas/PBinCLI

PrivateBin CLI on python 3

crypto cryptography paste privatebin python python3

Last synced: 28 Mar 2025

https://github.com/lubbe89tvoridobro/electron-executor

Electron Executor is a high-powered Roblox script executor that combines lightning-fast script injection with multi-API support and a preloaded script library. Its user-friendly design and robust anti-ban measures make it a trusted choice for scripters.

cryptography cybersecurity electron gpg gpt javascript llm mobile notejs offline pgp privacy roblox scripts

Last synced: 24 Aug 2025

https://github.com/r4sas/pbincli

PrivateBin CLI on python 3

crypto cryptography paste privatebin python python3

Last synced: 12 Apr 2025

https://github.com/patrickfav/hkdf

A standalone Java 7 implementation of HMAC-based key derivation function (HKDF) defined in RFC 5869 first described by Hugo Krawczyk. HKDF follows the "extract-then-expand" paradigm which is compatible to NIST 800-56C Rev. 1 two step KDF

800-56c android-compatibility cryptography hash hkdf hmac hmac-sha1 hmac-sha256 hmac-sha512 java java7 jdk7 kdf key-derivation-function nist rfc5869 two-step-key-derivation