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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/thomasthaddeus/algorithmselector

Explore our extensive Algorithms Repository, featuring a diverse range of algorithms from computational methods to data structures, cryptographic techniques, and AI. Ideal for education, research, and practical application, each algorithm is well-documented, tested, and optimized for performance and readability.

ai algorithms computational-algorithms computer-science cryptography data-compression data-structures educational-resource game-theory graph-theory machine-learning network-flow open-source optimization python

Last synced: 28 Oct 2024

https://github.com/daniel-boll/zealot

Be Hideous Before Zeal Cease Zealotry.

cryptography decryption encryption study study-group study-project

Last synced: 05 Nov 2024

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: 15 Oct 2024

https://github.com/dotx12/algunscrypt

🔒 Alguns is a symmetric encryption method that contains 2 keys. Uses 128-bit AES in CBC mode and PKCS7 padding with the replacement of letters with random values.

aes alguns crypto cryptography decrypt hash python python3

Last synced: 14 Oct 2024

https://github.com/developpeurpascal/swap-keys-generator

A simple generator of reversible bytes lists or arrays in different programming languages for swapping from a byte value to an other.

cryptographic-algorithms cryptography cryptography-tools delphi delphi-app developer-tool developer-tools firemonkey firemonkey-applications

Last synced: 01 Nov 2024

https://github.com/sgiath/secp256k1

Elixir wrapper for Bitcoin Core secp256k1 library

bitcoin cryptography elixir secp256k1

Last synced: 14 Oct 2024

https://github.com/newyaroslav/crypto-json

C ++ library for JSON encryption with COMMENTS

cryptography json json-parser strip-json-comments

Last synced: 11 Nov 2024

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

Virgil Security Ratchet Objective-C/Swift 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/skyf0l/discrete-logarithm

Fast discrete logarithm solver in Rust

cryptography discrete-logarithm number-theory

Last synced: 14 Oct 2024

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: 08 Nov 2024

https://github.com/seigtm/rsa

A simple C# code that allows you to encrypt and decrypt huge numbers using the RSA algorithm.

biginteger bigintegers cryptography csharp encryption rsa rsa-algorithm rsa-cryptography rsa-encryption rsa-key-encryption

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/abhisinha08/cryptile

A Desktop App and CLI tool to encrypt and decrypt your files with a secure password

cryptography react rust tauri

Last synced: 12 Oct 2024

https://github.com/jsign/zig-eth-secp256k1

A Zig libsecp256k1 wrapper with bells and whistles for Ethereum

cryptography ethereum secp256k1 zig

Last synced: 27 Oct 2024

https://github.com/horus-org/payjoin-react-native

React Native Library to Payjoin

bitcoin cryptography payjoin privacy

Last synced: 15 Oct 2024

https://github.com/jtdowney/b2sum-rs

Rust clone of the BLAKE2b checksum utility in GNU coreutils

blake2b coreutils cryptography rust

Last synced: 15 Oct 2024

https://github.com/alxiong/ark-srs

Use Common/Structured Reference String (CRS/SRS) from existing ceremonies with ease

cryptography trusted-setup zksnark

Last synced: 02 Nov 2024

https://github.com/delthas/libsilence-java

Lightweight API for the Silence protocol

cryptography java-8 silence sms smssecure textsecure

Last synced: 12 Nov 2024

https://github.com/cipherstash/enveloperb

Ruby bindings for the envelopers envelope-encryption library

cipherstash cryptography encryption envelope-encryption ruby

Last synced: 09 Nov 2024

https://github.com/mobilecoinfoundation/rand

A platform abstraction layer providing a cryptographic RNG

cryptography no-std random rng

Last synced: 11 Nov 2024

https://github.com/lovasoa/sha_hashes

Collection of sha hashes of common passwords

cracking cryptography security sha1 website whitehat

Last synced: 28 Oct 2024

https://github.com/deemru/cryptash

Hash-based encrypt/decrypt for PHP

authenticity confidentiality cryptography decrypt encrypt integrity php

Last synced: 29 Oct 2024

https://github.com/piotrpsz/gost

GOST algorithm implemented in Go

cryptography go gost

Last synced: 07 Nov 2024

https://github.com/cyrildever/feistel-py

Feistel cipher implementation in Python for format-preserving encryption

algorithm cryptography encryption feistel-cipher format-preserving-encryption fpe xor-operation

Last synced: 13 Oct 2024

https://github.com/michaelsproul/swap-or-not-shuffle-isabelle

Formalisation of the swap-or-not shuffle used in Ethereum 2.0

cryptography eth2 ethereum formal-verification

Last synced: 28 Oct 2024

https://github.com/alierpm/cryptohub

This project is based on Coinranking API: The simplest API for Cryptocurrency Prices - Real-Time & Historical - Crypto Market Data - Coins - Exchanges and Bing News Search API:An AI service from Microsoft Azure that turns any app into a news search resource.

bitcoin blockchain crypto cryptocurrency cryptocurrency-exchanges cryptography ethereum newsapi

Last synced: 21 Oct 2024

https://github.com/rusq/gonss3

Subset of Mozilla NSS enough to decrypt firefox passwords

3des 3des-cbc asn1-der cryptography deciphering decryption firefox password pkcs5

Last synced: 26 Oct 2024

https://github.com/b1f6c1c4/naive-garble

Naïve implementation of garbled circuits.

cryptography garbled-circuits oblivious-transfer secure-computation sfe

Last synced: 29 Oct 2024

https://github.com/michaelsproul/antifa

Build a Merkle tree for your files

cryptography filesystem integrity paranoid rust

Last synced: 29 Oct 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/savaged/confidant

Password Wallet a bit like Keepass or Lastpass

cryptography csharp dotnet-core gpg gpgme-sharp wpf

Last synced: 08 Nov 2024

https://github.com/trailofbits/aes-gem

AES Galois Extended Mode

aes aes-gem cryptography gcm nonce-extension

Last synced: 08 Nov 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/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: 03 Aug 2024

https://github.com/nalinrajendran/cryptography-automata-theory

This is a simple scenario based application for string matching and cryptography in the case of a publisher, subscriber model. This demonstrates the communication between a publisher and a subscriber model using two different modes of encryption and decryption(Caesar Cipher, Bit-Flipping).

amrita-vishwa-vidyapeetham bit-flipping caesar-cipher cryptography decryption encryption login-page pub-sub publisher-subscriber

Last synced: 10 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

https://github.com/layr-labs/cerberus

Go implementation of cerberus-api

bn254 cryptography

Last synced: 29 Oct 2024

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: 07 Nov 2024

https://github.com/samuel-lucas6/rocca-s.net

A .NET implementation of Rocca-S.

aead crypto cryptography rocca rocca-s

Last synced: 16 Oct 2024

https://github.com/ggeorgovassilis/webencryption

Simple (offline) HTML and Javascript for encrypting stuff

cryptography javascript security web

Last synced: 31 Oct 2024

https://github.com/eqoty-labs/kryptools

Kotlin multiplatorm crypto tools: AES-SIV, Axlsign, AES256-GCM, Bech32, Secp256k1

crypto cryptography kotlin kotlin-android kotlin-js kotlin-jvm kotlin-library kotlin-multiplatform kotlin-native

Last synced: 15 Oct 2024

https://github.com/jotavare/42-ctf

Documentation on how I completed the CTF challenges from 42CTF.

42 buffer-overflow cryptography ctf exploits forensics injection osint reverse-engineering

Last synced: 08 Nov 2024

https://github.com/schultz-is/go-threefish

An implementation of the Threefish block cipher entirely in go with no external dependencies.

block-cipher block-ciphers crypto cryptography threefish

Last synced: 15 Nov 2024

https://github.com/jitendragangwar123/ekolance-solidity-cohort-2

This repository contains Solidity programming exercises that were discussed during the Ekolance Solidity Cohort 2. It serves as a resource for learning and practicing Solidity, a programming language used for developing smart contracts on blockchain platforms like Ethereum.

blockhain-tecnology cryptography ethereum solidity

Last synced: 14 Nov 2024

https://github.com/arkorty/rustcm-cli

UTF-8 Text Cipher using XChaCha20-Poly1305

chacha20-poly1305 cli cryptography rust

Last synced: 13 Nov 2024

https://github.com/pavelkryukov/putty-ci

PuTTY with continuous integration

cryptography putty puttygen ssh ssh-client

Last synced: 14 Nov 2024

https://github.com/kkazuo/openid-key

Get OpenID keys from issuer.

common-lisp cryptography jwt lisp openid openidc

Last synced: 15 Nov 2024

https://github.com/guilhermeisnotunix/grifforix

Grifforix aims to be a strong and secure password generator made in Java, it uses the Java's *java.security.SecureRandom* library. I have plans to make it also a secure authenticator software in the future. Grifforix is currently experimental in v.0.9.2-alpha.

cryptography password-generator random-number-generators

Last synced: 13 Nov 2024

https://github.com/exploide/ulpcrypt

Implementation of the U-LP Cryptosystem

cryptography cryptography-library

Last synced: 15 Nov 2024

https://github.com/dogukansahil/advancedbrutecipher

BruteCipher is a simple and secure encryption tool that performs all operations locally in your browser using HTML, JavaScript, and CSS. Manage your encryption keys without relying on external CDNs. Currently in beta.

cryptography css decryption encryption html javascript key-management local-storage python security web-application

Last synced: 13 Nov 2024

https://github.com/marekyggdrasil/website

Marek Narozniak's personal website with computer science / numerics / quantum physics tutorials.

computer-science cryptography optimization optimization-algorithms quantum-computing quantum-mechanics

Last synced: 17 Nov 2024

https://github.com/jedisct1/gimli-constructions

Cryptographic constructions based on the Gimli permutation.

crypto cryptography gimli

Last synced: 12 Nov 2024

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: 14 Nov 2024

https://github.com/tom-weatherhead/helix

An RSA encryption and uuencoding/uudecoding application from 2002.

cpp cryptography encryption rsa-encryption uudecode uuencode

Last synced: 17 Nov 2024

https://github.com/marekyggdrasil/minicurve

A simple library for elliptic curve visualization.

cryptography education visualisation visualization

Last synced: 17 Nov 2024

https://github.com/axthauvin/cacher-du-texte-dans-du-texte

Python module and its web equivalent, to hide text within text by manipulating bits

cryptography javascript python text

Last synced: 12 Nov 2024

https://github.com/sap-samples/s4hana-crypto-assets-subledger

SAP S/4HANA add-on sample as a subledger for crypto assets accounting.

add-on assets crypto cryptography sample sap-s4hana

Last synced: 15 Nov 2024

https://github.com/sheroz/rsa

Samples of RSA (Rivest–Shamir–Adleman) asymmetric cipher implementations in Rust

crypto cryptography public-key-cryptography rsa rsa-cipher rsa-cryptography rsa-cryptosystem

Last synced: 15 Nov 2024

https://github.com/gitgab19/blockchain-address-list-generation

The focus of this repo is to retrieve the full list of addresses ever appeared into any transactions for some of the most famous blockchains using the secp256k1 curve. These Python scripts have been used for an academic research at Politecnico di Torino. If you want to know more about our paper, you can find it at https://arxiv.org/abs/2206.14107.

bitcoin blockchain cryptocurrency cryptography research research-paper secp256k1

Last synced: 15 Nov 2024

https://github.com/joeloftusdev/pass-gen

Console app in Go to generate passwords & check password strength.

command-line-tool console-application cryptography go golang password-generator strength-password

Last synced: 15 Nov 2024

https://github.com/arda-guler/bingallery

Encode your files into RGB images and decode them back.

cryptography decoder decoding encoder encoding proof-of-concept

Last synced: 12 Nov 2024

https://github.com/solidiquis/ez_encrypt

A small message encryption + decryption web application powered by Rust + WASM.

cryptography reactjs rust tailwindcss typescipt wasm webassemby

Last synced: 14 Nov 2024

https://github.com/sohnryang/ecdsa-python

ECDSA implementation in Python (DO NOT USE IN PRODUCTION)

cryptography ecdsa python

Last synced: 17 Nov 2024

https://github.com/gers2017/cerberus

Cerberus, guardian of the underworld. A Python CLI tool to cipher your data

cesar-cypher cli cryptography cypher developer-tools python

Last synced: 17 Nov 2024

https://github.com/aburdulescu/pocryp

Command line utility for cryptographic primitives

cli cryptography go golang

Last synced: 14 Nov 2024

https://github.com/umstek/magnum-cipher

Proof-of-concept Product Cipher using cryptography classics (CS3052 Computer Security - Assignment)

cryptography encryption-algorithm product-cipher substitution-permutation-network

Last synced: 17 Nov 2024