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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.

https://github.com/jsign/kzg-ceremony-test-vectors

Ethereum KZG ceremony test vectors using the reference implementation

cryptography ethereum kzg powers-of-tau

Last synced: 29 Oct 2024

https://github.com/tynes/libsigner

manage watch only bitcoin wallets with bcoin

bcoin bitcoin cryptography ledger nodejs trezor

Last synced: 10 Oct 2024

https://github.com/prajwalg12121998/avalanche-effect-in-des-and-triple-des

This is a coding assignment as part of Computer Security subject. It does analysis of Avalanche Effect in DES and Triple DES

avalanche-effect blockcipher cryptography des des3

Last synced: 11 Nov 2024

https://github.com/mortendahl/pond

Experimental library for deep learning on encrypted data

cryptography deep-learning machine-learning secure-computation

Last synced: 30 Oct 2024

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: 12 Nov 2024

https://github.com/iamnotstatic/wallet-manager

This is for managing crypto addresses and generation

bitcoin blockchain cryptocurrency cryptography ethereum

Last synced: 25 Oct 2024

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: 10 Nov 2024

https://github.com/lukasz-zimnoch/ipfs-market

Example repository intended to demonstrate a simple digital goods trading system powered by Ethereum smart contracts, IPFS file system and some basic cryptographic algorithms.

blockchain cryptocurrency cryptography ethereum go ipfs solidity

Last synced: 14 Oct 2024

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: 15 Oct 2024

https://github.com/timebertt/grypto

Understanding cryptographic algorithms by implementing them in Go :mortar_board:

cryptography golang learning-by-doing learning-exercise

Last synced: 12 Nov 2024

https://github.com/ericksumargo/pin

Built over Jetpack's EncryptedSharedPreferences API with less verbose syntax, efficient read/write mechanism, complex object and null default value support with compile time safety

coroutines cryptography jetpack kotlin sharedpreferences

Last synced: 07 Nov 2024

https://github.com/smartiden/biggest-lost-bitcoin-wallets-list

Machine learning algorithms from repository Smart-Transformers retrieved lost cryptocurrency wallets from the Bitcoin network for a total amount of: 2127 BTC

bitcoin bitcoin-hacking bitcoin-wallet btc-wallet btc-wallet-recovery cryptocurrencies cryptocurrency cryptography lost-bitcoin-wallet-finder lost-crypto-currency lost-crypto-currency-finder

Last synced: 11 Oct 2024

https://github.com/roginvs/cryptopoll

Secure crypto voting application

cryptography monero voting voting-application

Last synced: 10 Oct 2024

https://github.com/soreing/des-cpp-encrypt

Simple DES encryption library for C++

cpp cryptography des

Last synced: 30 Oct 2024

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: 10 Nov 2024

https://github.com/gibbed/gibbed.xxtea

C#/.NET implementation of XXTEA.

block-cipher cryptography xxtea

Last synced: 15 Oct 2024

https://github.com/manelli/ex_bcrypt

Elixir wrapper for the OpenBSD bcrypt password hashing algorithm

bcrypt cryptography elixir password security

Last synced: 09 Nov 2024

https://github.com/anmol-singh-jaggi/sha2_512

:lock_with_ink_pen: An implementation of SHA-2 hash function with a digest size of 512 bits

c-plus-plus cryptography digest hash

Last synced: 15 Oct 2024

https://github.com/qantik/ratcheted

Performance Survey of Several Ratcheted Key-Agreement and Messaging Protocols

benchmark cryptography go messaging ratchet

Last synced: 14 Oct 2024

https://github.com/jshawl/proof.im

Zero-Trust Signature Based Proof of Identity

authentication cryptography digital-signature ed25519 identity minisign signature ssh-key

Last synced: 15 Oct 2024

https://github.com/furritos/flask-simple-crypt

Flask extension based on simple-crypt that allows simple, secure encryption and decryption for Python.

cryptography decryption encryption flask python security symmetric symmetric-cryptography

Last synced: 10 Oct 2024

https://github.com/mk-fg/tinydns-dynamic-dns-updater

Tool to generate and keep tinydns zone file with dynamic dns entries for remote hosts

automation cryptography djbdns dynamic-dns-entries nacl python tinydns

Last synced: 10 Nov 2024

https://github.com/sug0/git-signify

Harness the power of signify(1) to sign arbitrary git objects

cryptography git openbsd rust security signature signify

Last synced: 10 Oct 2024

https://github.com/popcornell/pyaes_drbg

Cryptographically Secure AES DRBG NIST SP 800-90A, Rev 1 pseudo-random number generator (PRNG) in Pure Python

aes cryptography drbg nist pseudo-random-generator pseudorandom python random-generation

Last synced: 14 Oct 2024

https://github.com/diptochakrabarty/voice-encryption

Use Sockets and Encryption Algorithms for cryptography project

cryptography encryption hashing-algorithm rsa rsa-cryptography

Last synced: 28 Oct 2024

https://github.com/valerauko/csele

A library to handle ActivityPub-related crypto needs.

activitypub clojure crypto cryptography federation fediverse hacktoberfest

Last synced: 14 Oct 2024

https://github.com/sc0vu/js-keccak-tiny

Keccak tiny emscripten binding in javascript, including SHA-3/Keccak/Shake hash function.

cryptography hash keccak keccak-tiny sha3 shake wasm webassembly

Last synced: 14 Oct 2024

https://github.com/virgilsecurity/demo-nexmo-chat-android

A simple Web application that demonstrates how the end-to-end encryption works in chat messaging use case. The application uses Nexmo as a messaging provider.

android chat cryptography e2ee encryption end-to-end-encryption messenger nexmo secured-by-virgil vonage web-app

Last synced: 09 Nov 2024

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: 10 Nov 2024

https://github.com/xsavikx/present-cipher

In this repo you'll find a reference python implementation of PRESENT cipher and my own minified version with 16-bit key and 8-bit block.

cipher cryptography

Last synced: 08 Nov 2024

https://github.com/rofl0r/kripto

Simple and flexible "object-oriented" cryptographic library written in ISO C99.

c99 cryptography public-domain

Last synced: 13 Oct 2024

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 Nov 2024

https://github.com/alisianoi/lyra2-java

Subset of Lyra2 password hashing

cryptography hash-algorithm password

Last synced: 13 Oct 2024

https://github.com/tynes/nameswaps

Decentralized Exchange Infrastructure for Handshake Names

bitcoin blockchain cryptocurrency cryptography handshake peer-to-peer

Last synced: 06 Nov 2024

https://github.com/hongyanwang/crypto-lab

Golang implementation of multiple crypto protocols

cryptography golang

Last synced: 06 Nov 2024

https://github.com/jemtaly/pypbc

Python wrapper for the PBC (Pairing-Based Cryptography) library

bilinear-pairing cryptography python-library

Last synced: 11 Nov 2024

https://github.com/virgilsecurity/virgil-messenger-x

A simple E2EE chat for iOS which uses Virgil Security services.

chat cryptography demo encryption end-to-end-encryption ios ios-app messenger

Last synced: 09 Nov 2024

https://github.com/yds12/guarakapa

Password manager for the terminal.

cli command-line cryptography password password-manager rust terminal tui

Last synced: 14 Nov 2024

https://github.com/jedisct1/aegis-jasmin

An implementation of AEGIS in the Jasmin programming language

aead aegis aegis128l aegis256 cipher cryptography jasmin

Last synced: 16 Oct 2024

https://github.com/chiffre-io/crypto

Cryptographic primitives & constructs for the Chiffre platform

aes-256-gcm chiffre cryptography secure-remote-password shamir-secret-sharing tweetnacl

Last synced: 11 Nov 2024

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: 06 Nov 2024

https://github.com/beritani/ring-signatures

Pure TypeScript Ring Signatures

cryptography elliptic-curves ring-signatures

Last synced: 10 Oct 2024

https://github.com/ancientlore/hashsrv

A web service that performs hashing, encryption, encoding, and compression.

cryptography encoding golang hashing webservice

Last synced: 13 Nov 2024

https://github.com/thenaubit/crypto-password-generator

🦄 A cryptographically secure password generator!

cryptography emotionjs mantine-ui nextjs password-generator typescript

Last synced: 08 Nov 2024

https://github.com/virgilsecurity/virgil-ratchet-kotlin

Virgil Security Ratchet SDK provides an implementation of the Double Ratchet algorithm, which is used by parties to exchange encrypted messages based on a shared secret key.

cryptography doubleratchet encryption perfect-forward-secrecy pfs ratchet

Last synced: 09 Nov 2024

https://github.com/tteeoo/sest

🔑 A local command-line based password manager using AES-256 encryption.

command-line cryptography encryption go golang password-manager

Last synced: 10 Nov 2024

https://github.com/virgilsecurity/virgil-keyknox-javascript

Keyknox SDK allows developers to communicate with Virgil Keyknox Service to upload, download, and synchronize encrypted sensitive data (private keys) between different devices.

cryptography data-sharing keyknox sdk

Last synced: 09 Nov 2024

https://github.com/dkosmari/gnome-shell-extension-totp

A GNOME Shell extension to generate Time-based One-Time Passwords (TOTP aka Time-based OTP) for websites that use 2FA.

2fa 2factor cryptography gnome gnome-shell gnome-shell-extension javascript otp otp-generator otpauth security totp

Last synced: 09 Nov 2024

https://github.com/haizzz/lockbox

Double click to encrypt / decrypt a folder

cryptography encryption hacktoberfest python python3

Last synced: 01 Nov 2024

https://github.com/youben11/psi

Playing with different Private Set Intersection protocols

cryptography privacy-preserving psi

Last synced: 19 Nov 2024

https://github.com/denpeshkov/httpsign

Signatures for HTTP requests

cryptography go golang http signature

Last synced: 17 Oct 2024

https://github.com/cyrildever/crumbl-js

Secure data storage with trusted third-parties to use in Javascript environment

cryptography data-masking javascript-library signing-trusted storage-api typescript-library

Last synced: 13 Oct 2024

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: 16 Oct 2024

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: 13 Oct 2024

https://github.com/andreypfau/kotlinx-crypto

A multiplatform Kotlin library providing basic cryptographic functions and primitives

blake2 crc32 crypto cryptography hmac keccak kotlin kotlin-language kotlin-library kotlin-multiplatform pbkdf2 poly1305 salsa20 sha256 sha512

Last synced: 21 Oct 2024

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: 21 Oct 2024

https://github.com/sdrapkin/securitydriven.winter

Cloud-Scale Cryptography.

aead aes-gcm cryptography gcm streaming

Last synced: 07 Nov 2024

https://github.com/rikulo/xml-crypto

Xml digital signature library for Dart

cryptography dart xml xml-digital-signature xmldsig

Last synced: 09 Nov 2024

https://github.com/cedws/ki-keyring

Utility for ejecting/injecting sets of obfuscated public keys from/into WizardGraphicalClient binaries

cryptography go reverse-engineering

Last synced: 13 Nov 2024

https://github.com/kevincharm/broth16

Groth16 using BLS12-381 pairings

cryptography groth16 zk-snarks zkp

Last synced: 08 Nov 2024

https://github.com/biglup/cardano-c

A pure C library for interacting with the Cardano blockchain. Compliant with MISRA standards and binding-friendly architecture.

c c99 cardano cryptocurrency cryptography serialization

Last synced: 12 Oct 2024

https://github.com/nicknaso/cryptoppjs

Node.js native addons for cryptopp

cplusplus crypto cryptography javascript native-module nodejs

Last synced: 15 Oct 2024

https://github.com/webmd-health-services/carbon.cryptography

Cross-platform PowerShell module that makes encrypting and decrypting strings (using standard cryptographic algorithms) and managing certificates easy.

aes-crypto aes-encryption certificates cryptography dpapi powershell powershell-core powershell-module rsa-cryptography rsa-encryption securestring security x509 x509certificates

Last synced: 11 Oct 2024

https://github.com/descent098/diffie-hellman

A very simple implementation and explanation of the Diffe-Helmen Key Exchange

cryptography diffie-hellman diffie-hellman-exchange education learning

Last synced: 13 Oct 2024

https://github.com/demining/milk-sad-vulnerability-in-the-libbitcoin-explorer-3.x

Milk Sad vulnerability in the Libbitcoin Explorer 3.x library, how the theft of $900,000 from Bitcoin Wallet (BTC) users was carried out

bitcoin bitcoin-wallet blockchain-explorer cryptocurrency cryptography hacker hacking libbitcoin mersenne-twister prng vulnerability

Last synced: 13 Oct 2024

https://github.com/ausaf007/multi-party-computation

Create Ethereum wallet with multi-party validation and threshold cryptography.

cryptography java multi-party-computation shamir-s-secret-sharing-scheme shamir-secret-sharing threshold-cryptography

Last synced: 10 Nov 2024

https://github.com/p3t3r67x0/vigenere_cipher

Simple programm to encrypt or decrypt a vigenere cipher text. This tool might be handy for some CTF games.

crypto cryptography ctf ctf-tools python vigenere-cipher

Last synced: 10 Nov 2024

https://github.com/fpoirotte/cryptal

Cryptography Abstraction Layer for PHP

abstraction crypto cryptography layer php

Last synced: 28 Oct 2024

https://github.com/myusuf3/siapaperwallet

Create Sia Paper Wallets

cryptography paperwallet sia siacoin

Last synced: 15 Oct 2024

https://github.com/samuelschlesinger/blake3-lamport-signatures

An implementation of Lamport/Merkle signatures in Rust using the BLAKE3 hash function.

cli cryptography lamport-signature-scheme merkle-signature-scheme rust rust-lang signature

Last synced: 27 Oct 2024

https://github.com/oliverbutler/steggy

Written in Rust, features a simple cli and a client-side webapp

cli cryptography rust steganography

Last synced: 08 Nov 2024

https://github.com/analogfeelings/blitzhash

SHA hashing library for Blitz3D, using Crypto++ as a backend.

blitz blitz3d blitzbasic cpp cryptography cryptopp visual-studio vs2022

Last synced: 31 Oct 2024

https://github.com/scar26/votesec.io

An automated voting platform based on Azure Blockchain that offers complete anonymity, instantaneous results and a plethora of other features

blockchain cosmosdb cryptography iot node-chakra solidity truffle

Last synced: 09 Nov 2024

https://github.com/elliotwutingfeng/fernet

A Dart library for encrypting and decrypting messages using the Fernet scheme.

aes-128-cbc cryptography decryption encryption hmac-sha256 pkcs7 secret

Last synced: 11 Nov 2024

https://github.com/piotrpsz/gost

GOST algorithm implemented in Go

cryptography go gost

Last synced: 07 Nov 2024

https://github.com/Signal-K/Prof

Prof, from the icelandic word for tests: automated unit tests for the Star Sailors ecosystem

blockchain blockchain-game buildspace cryptography dao dao-design-pattern ethersproject magic nft star-sailors thirdweb

Last synced: 17 Nov 2024

https://github.com/cupcakearmy/occulto

Isomorphic encryption library that works both in the browser and node.

aes crypto crypto-library cryptography easy-to-use hash high-level node node-crypto typescript

Last synced: 16 Oct 2024

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: 12 Oct 2024

https://github.com/dipanshkhandelwal/manytimepad

A solution to many time pad attack https://manytimepad.js.org/

cryptography encryption manytimepad onetimepad

Last synced: 27 Oct 2024