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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/bytemare/hash

Easy generic API for cryptographic hash functions in Go.

blake2 cryptography go golang hash hashing security sha256 sha3

Last synced: 14 Nov 2024

https://github.com/getvmio/free-cryptography-resources

[Cryptography Free Resources] This repository collects 17 of free resources for Cryptography. 🔐 Unravel the secrets of secure communication with our Cryptography Codex! This repository offers a curated collection of free resources, online courses, and an interactive playground environment. Perfec...

awesome-list cryptography free-resources getvm playground programming

Last synced: 11 Nov 2024

https://github.com/4lessandrodev/cesar-cipher

A simple TypeScript library for Caesar cipher encryption and decryption

cesar-cipher cryptography shift-cipher

Last synced: 10 Nov 2024

https://github.com/4lessandrodev/saas-cryptography

a small project to test encryption as a service with nodejs

cryptography encryption

Last synced: 10 Nov 2024

https://github.com/rstacks/downunderctf2024-writeup

Writeups for the challenges I attempted at DownUnderCTF 2024.

cryptography ctf ctf-writeups forensics osint reverse-engineering web-exploitation

Last synced: 19 Nov 2024

https://github.com/znx-x/hadron

This ongoing MVP for a distributed ledger system aims to solve issues that first and second-generation blockchains have not been able to overcome by implementing novel concepts in mining, smart contracts, and cryptography.

blockchain cryptography encryption network post-quantum smart-contracts web3

Last synced: 09 Nov 2024

https://github.com/ali2210/rsa

this is implementation of RSA cryptography in Java

cryptography rsa-cryptography

Last synced: 28 Oct 2024

https://github.com/kaushalag29/cryptography

Basic Cipher Codes With Python.Deals With Encryption and Decryption.

books cryptography python-script python2-7

Last synced: 08 Nov 2024

https://github.com/rstacks/ctf-writeups

Contains links to all of my writeup repositories for CTFs that I've participated in.

cryptography ctf ctf-challenges ctf-writeups forensics osint pwn reverse-engineering web-exploitation

Last synced: 19 Nov 2024

https://github.com/rstacks/n00bzctf2024-writeup

Writeups for the challenges I attempted at n00bzCTF 2024.

cryptography ctf ctf-writeups forensics osint programming reverse-engineering web-exploitation

Last synced: 19 Nov 2024

https://github.com/jordanbaird/hashgenerator

Generate hash digests using commonly available hash algorithms

cryptography generate hash hashgenerator hashing md5 sha sha1 sha256 sha384 sha512 swift

Last synced: 24 Oct 2024

https://github.com/1-5pool/jmessage-security-project

JMessage: Encrypted Messaging System with Security Analysis This project implements an end-to-end encrypted messaging system using ECDH, ChaCha20, and ECDSA. It also demonstrates a padding oracle attack, showcasing both secure system design and vulnerability exploitation techniques.

chat-application cryptography end-to-end-encryption golang padding-oracle-attacks

Last synced: 02 Nov 2024

https://github.com/ledger-things/kadena-rust-lib

A comprehensive Rust library for interacting with Pact smart contracts and the Kadena blockchain.

blockchain cryptography kadena pact rust-lang rust-library

Last synced: 29 Oct 2024

https://github.com/butterfly-communtiy/ohw-wallets

An embedded systems-focused library that implements some cryptographic algorithms

algorithms cryptography embedded library rust

Last synced: 29 Oct 2024

https://github.com/davidalgis/filescrypter

Simple python tool for encrypting and decrypting files. For more secure information sharing/storage.

aes cryptography encryption-decryption python

Last synced: 10 Nov 2024

https://github.com/fardinkamal62/pixenc

Encrypt image by manipulating pixels

cryptography encryption go golang image manipulation pixels python security

Last synced: 19 Nov 2024

https://github.com/fpoirotte/cryptal-mcrypt

An implementation of the Cryptography Abstraction Layer based on the legacy mcrypt PHP extension

cryptal crypto cryptography mcrypt php

Last synced: 28 Oct 2024

https://github.com/incertia/crypto-primer

intro to crypto given to my coworkers at AIS

algebra algebraic-structures cryptography dh diffie-hellman ecc ecdh rsa

Last synced: 29 Oct 2024

https://github.com/fpoirotte/cryptal-hash

An implementation of the Cryptography Abstraction Layer based on the hash PHP extension

cryptal crypto cryptography hash php

Last synced: 28 Oct 2024

https://github.com/fpoirotte/cryptal-openssl

An implementation of the Cryptography Abstraction Layer based on the OpenSSL PHP extension

cryptal crypto cryptography openssl php

Last synced: 28 Oct 2024

https://github.com/abdulsamie10/rsaencryptiondecryption

This repository contains code of encryption and decryption of data using RSA. Developed in Java.

aes aes-128 aes-256 aes-encryption aes256 cryptography eclipse java java-8 rsa rsa-cryptography rsa-decryption rsa-encryption rsa-java

Last synced: 07 Nov 2024

https://github.com/ecies/js-ciphers

Node/Pure JavaScript symmetric ciphers adapter

aes cryptography

Last synced: 07 Nov 2024

https://github.com/gabriel-milan/des_example

Example for encryption/decryption using DES. Compatible with Arduino, Node.js and Python

arduino cipher cryptography nodejs python3

Last synced: 13 Oct 2024

https://github.com/sutterseba/des-python

A simple DES implementation in Python

cryptography numpy python

Last synced: 09 Nov 2024

https://github.com/ianacaburian/generate-key-file

Ports juce_KeyGeneration::generateKeyFile() to node.

auth cmake cpp20 cryptography juce keyfile nodejs npm rsa typescript

Last synced: 26 Oct 2024

https://github.com/waridrox/password-manager

Encrypted password manager to store website passwords.

cryptography password-manager reactjs

Last synced: 09 Nov 2024

https://github.com/mechiuw/java_cryptography-algorithm

This is a basic algorithm for encryptions and decryptions using handmade algorithm logic using java.

basic-algorithms basic-programming caesar-cipher cipher-algorithms ciphers cryptography scripts

Last synced: 12 Nov 2024

https://github.com/fl03/aqueduct

Aqueduct is a dynamic encryption protocol merging elliptic-curve cryptography with fully-homomorphic encryption standards.

cryptography rust

Last synced: 28 Oct 2024

https://github.com/tell/note-on-subgroup-security

This is a demonstration of "A Note on Subgroup Security in Pairing-Based Cryptography"

cryptography pairing subgroup-security

Last synced: 12 Oct 2024

https://github.com/mrezaakbari/ecc

Elliptic curve secp256k1 (Bitcoin) find private key from public key

bitcoin cryptocurrency cryptography ecc ecc-secp256k1 elliptic-curves etereum private-key public-key

Last synced: 02 Nov 2024

https://github.com/badvibessz/bankingclientserverapp

Client server websocket banking app with GUI

banking client-server cryptography gui json websocket

Last synced: 11 Nov 2024

https://github.com/0x4m4/bloodcodectf

Blood Code CTF challenge repository! This repository contains all the challenges and their source files from the Capture The Flag event codenamed "Blood Code," organized by 0x4m4. It includes challenges in cryptography, steganography, digital forensics, pwn, pyjail, reverse engineering, and web exploitation, designed for all skill levels.

0x4m4 bloodcode capture-the-flag cryptography ctf-challenges digital-forensics hackathon pwn pyjail reverse-engineering sir-syed-case-institute-of-technology sscaseit sscit steganography web-exploitation

Last synced: 07 Nov 2024

https://github.com/sripwoud/cryptography

Modern Cryptography Primitives 101

basics cryptography primitives

Last synced: 29 Oct 2024

https://github.com/pufferffish/fuzzyibe

A Haskell implementation of Fuzzy Identity Based Encryption modified to work over asymmetric bilinear pairing

cryptography haskell identity-based-encryption

Last synced: 09 Nov 2024

https://github.com/kevincharm/gfc-fpe

Generalised Feistel cipher for stateless shuffling

cryptography feistel fpe shuffle

Last synced: 08 Nov 2024

https://github.com/thor314/cryptography

cryptographic projects I've worked on

cryptography

Last synced: 29 Oct 2024

https://github.com/khaydarov/itmo-crypto-lab

Crypto System from ITMO cryptography course

crypto-systems cryptography nodejs

Last synced: 21 Oct 2024

https://github.com/thoughtpolice/edwards.cry

edwards curves in cryptol

cryptography

Last synced: 13 Oct 2024

https://github.com/kevindasilvas/kcrypt

Kcrypt or Krypt is an encrypting and decrypting lib created using javascript and node js

cryptography javascript node node-js nodejs

Last synced: 21 Oct 2024

https://github.com/kceh/steganography-and-cryptography

Steganography and Cryptography project for Kotlin developer certificate

cryptography kotlin steganography

Last synced: 21 Oct 2024

https://github.com/kevincharm/blstoise

BLS12-381 + pairings + RFC9380 + BLS sigs

bls bls12-381 cryptography

Last synced: 08 Nov 2024

https://github.com/erik-castro/easy_enc

easy_enc.sh é uma ferramenta simples e eficiente para encriptação e decriptação de arquivos e dados utilizando OpenSSL, desenvolvida em Bash. Suporta criptografia com o algoritmo AES-256-CBC e permite a escolha entre salvar os resultados em arquivos ou imprimi-los diretamente na saída padrão.

aes-256 bash cli-tool command-line-tool cryptography cybersecurity data-encryption encryption file-encryption openssl pbkdf2 script security-tools shell-script simple-encrypt

Last synced: 25 Oct 2024

https://github.com/raed667/aes-cpa

very basic crypto challenge I have setup for my fellow interns at SAP Labs

aes aes-encryption aes256 crypto cryptography

Last synced: 21 Oct 2024

https://github.com/anindya-prithvi/text-encryption

To encrypt texts and also decrypt them using a generated/user supplied key

cryptography encryption

Last synced: 15 Nov 2024

https://github.com/tuokri/unrealscript-fcrypto

Pure UnrealScript SSL/TLS implementation and cryptography utilities based on BearSSL. Work in progress.

bearssl block-cipher cryptography decryption ecdh ecdhe encryption hkdf hmac https-client sha-1 udk ue3 unreal-engine-3 unrealscript xxtea

Last synced: 15 Oct 2024

https://github.com/nxvembrx/cherrybin

Minimalistic encrypted pastebin service with optional client-side zero-knowledge encryption

coffeescript cryptography flask pastebin pastebin-service zero-knowledge-encryption

Last synced: 16 Oct 2024

https://github.com/jtdowney/speck

Toy implementation of Speck cipher in Rust

cipher cryptography speck

Last synced: 15 Oct 2024

https://github.com/mirtia/ctflearn-cryptography

Writeups for Cryptography Challenges

cryptography ctf-learn

Last synced: 11 Nov 2024

https://github.com/bwesterb/germain

Counts safe primes

cryptography estimate germain safe-prime

Last synced: 25 Oct 2024

https://github.com/zhongruoyu/md5

An implementation of the MD5 hash algorithm.

cryptography hash md5

Last synced: 10 Nov 2024

https://github.com/piotrpsz/crypto

Implementation of encryption algorithms in c++17

3-way blowfish cpp17 cryptography gost

Last synced: 07 Nov 2024

https://github.com/piotrpsz/chacha-go

ChaCha20 algorithm implementation in Go based on RFC 8439

chacha20 cryptography go

Last synced: 07 Nov 2024

https://github.com/zhongruoyu/sha2

An implementation of the SHA-2 hash algorithms.

cryptography hash sha256 sha512

Last synced: 10 Nov 2024

https://github.com/virgilsecurity/virgil-pythia-java

Virgil Pythia SDK allows developers to implement Pythia protocol to create breach-proof passwords, immune to offline and online attacks.

breach-proof-password cryptography encryption java pythia pythia-sdk sdk virgil-pythia

Last synced: 09 Nov 2024

https://github.com/crybercorp/thecryptoanarchistmanifesto

The Crypto Anarchist Manifesto by Timothy C. May, written in 1988.

anarchy anonymous bitcoin cryptography dogecoin ethereum freedom manifest monero privacy

Last synced: 02 Nov 2024

https://github.com/ryanoutcome20/cryptify

A WinForms based file Encryption system.

aes cryptography csharp des filesystem tools tripledes windows windows-forms

Last synced: 13 Nov 2024

https://github.com/agent-hellboy/flask-hedcrypt

A flask extension which provide interface( set of APIs) having implemenation of some of the use cases of cryptography.

cryptography flask flask-extensions flask-sqlalchemy pycrypto pypdf2 python

Last synced: 11 Nov 2024

https://github.com/cristinemirror52/zyra-crypto-wallet-mnemonic-seed-phrase-balance-checker

This repository features Zyra, a crypto wallet tool that includes functionality for checking balances using mnemonic seed phrases. It allows you to securely manage and verify cryptocurrency balances associated with various wallets.

balance balance-checker bip39 bitecoin blockchain cold-wallet crypto crypto-wallet cryptography ethereum hardware-wallet keypair mnemonic mnemonic-phrase seed seed-phrase wallet wallet-checker

Last synced: 02 Nov 2024

https://github.com/magical/fastpbkdf2

A faster implementation of x/crypto/pbkdf2

cryptography

Last synced: 14 Oct 2024

https://github.com/virgilsecurity/virgil-pythia-net

Virgil Pythia SDK allows developers to implement Pythia protocol to create breach-proof passwords, immune to offline and online attacks.

breach-proof-password cryptography encryption netcore pythia pythia-sdk sdk virgil-pythia

Last synced: 09 Nov 2024

https://github.com/serene-arc/word-length-matcher

Tool to identify plaintext from ciphertext word lengths

cipher ciphertext ciphertext-attack corpus cryptography plaintext word-length

Last synced: 06 Nov 2024

https://github.com/magical/libargon2

fork of the argon2 reference implementation

cryptography

Last synced: 14 Oct 2024

https://github.com/virgilsecurity/demo-e2ee-android

A simple Android application that demonstrates how the end-to-end encryption (E2EE) works.

android cryptography demo demo-app encryption end-to-end-encryption key-management public-key-cryptography

Last synced: 09 Nov 2024

https://github.com/magical/gimli

Go implementation of http://gimli.cr.yp.to/

cryptography

Last synced: 14 Oct 2024

https://github.com/magical/spritz

Spritz cryptographic sponge(-like) function, hash, and stream cipher in Go

cryptography

Last synced: 14 Oct 2024

https://github.com/rayniel95/subkey

This is a simple dockerfile for create a docker image with Substrate subkey tool.

blockchain cryptography docker subkey substrate

Last synced: 16 Nov 2024

https://github.com/daleroberts/asd-coin

Playing with the ASD Commemorative Coin

cryptography

Last synced: 14 Oct 2024

https://github.com/bmeneg/lapwing

Lightweight crypto algorithms library for highly resource-constrained devices.

c clibrary cryptography embedded

Last synced: 14 Oct 2024

https://github.com/elliotwutingfeng/secret_broadcast

Send encrypted webcam snapshots over Telegram to specific users.

cryptography fernet telegram webcam

Last synced: 11 Nov 2024

https://github.com/adiwajshing/simplecrypto

All coding work done for Ashoka University CS-2362

aes cryptography curve elgamal sign-verification signing verification

Last synced: 12 Nov 2024

https://github.com/pryority/merkle-next

WIP - I wanted to remake the example website from the Merkletree.js repo in Next.js

cryptography ethereum merkletreejs nextjs react tailwindcss

Last synced: 10 Nov 2024

https://github.com/lcian/klein-cryptanalysis

🔓 Differential cryptanalysis attack on the KLEIN block cipher | Chosen Plaintext Attack | Key Recovery

cryptanalysis cryptography

Last synced: 12 Nov 2024

https://github.com/tigeryant/merkle-tree

Produces a merkle root from a set of user defined strings

binary-hash-tree cryptography merkle-tree

Last synced: 10 Nov 2024

https://github.com/tigeryant/cryptopals-challenges

Solutions to the cryptopals cryptography challenges

coding-challenges cplusplus cryptography cryptopals

Last synced: 10 Nov 2024

Cryptography Awesome Lists
awesome-cryptography 270 Computer-Science-Resources 51 awesome-blockchain-rust 105 awesome-crypto-papers 102 awesome-iam 274 awesome-he 82 awesome-substrate 165 awesome-cryptography-rust 78 awesome-ctf-resources 239 awesome_computer_science 116 Library-of-Ethereum 138 awesome-algorand 202 awesome-zama 179 awesome-ethereum-finance 93 awesome-infosec 83 Blockchain-Guide 538 awesome-risc0 46 bitcoin-history 137 fucking-awesome-cryptography 193 awesome-anonymity-papers 30 free-cryptography-resources 73
Cryptography Categories
Contributed talks, posters and presentations 225 The list 206 Cryptography 115 Resources 112 2018 96 Frameworks and Libs 92 Blockchain Explorers 91 Research papers and publications 87 MEV 83 Password-less auth 82 Authorization 79 Tools 78 Development Tools 77 Uncategorized 75 Ecosystem 63 Papers 60 Misc 57 More 56 Content 55 Multi-factor auth 54