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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/x011/pgp-filelock

PGP FileLock is a lightweight tool for encrypting and decrypting files using PGP standards. It provides a simple interface for generating PGP key pairs, encrypting files with public keys, and decrypting them with private keys. Designed for users who need quick and secure file encryption without the complexity of full-featured PGP software.

cipher cryptography decryption encryption pgp pgp-encryption pretty-good-privacy privacy privacy-protection privacy-tools python secure-communication

Last synced: 06 Nov 2024

https://github.com/jsign/sumhash

sumhash512 cryptographic function implementation

algorand cryptography hash rust

Last synced: 27 Oct 2024

https://github.com/jsign/merlin

Composable proof transcripts for public-coin arguments of knowledge

cryptography fiat-shamir transcript zero-knowledge

Last synced: 27 Oct 2024

https://github.com/chrisamanse/Codegen

An open source one-time password generator for iOS.

authentication authenticator cryptography generator hmac ios one-time-passwords qrcode security swift

Last synced: 09 Aug 2024

https://github.com/arctictechnology/libsecp256k1-0

Compiled libsecp256k1 for using ECDSA signatures and secret/public key cryptography in your python projects.

bitcoin bitcoin-core bitcoin-wallet crypto cryptography ecdsa ecdsa-cryptography libsecp256k1 python secp256k1

Last synced: 11 Oct 2024

https://github.com/jsign/zig-poseidon

A Zig implementation of Poseidon hash function.

cryptography hashing poseidon-hash zk-snarks

Last synced: 24 Oct 2024

https://github.com/httpjamesm/secure-remote-password-js

Modern secure remote password library for Bun clients and servers

biginteger bun client cryptography javascript pake password secure-remote-password server srp typescript

Last synced: 15 Nov 2024

https://github.com/andreyrusyaev/acryptohashnet

A pure managed C# implementation of well-known cryptographic hash functions such as SHA-family (SHA0, SHA1, SHA2, SHA3), MD-family (MD2, MD4, MD5), RIPEMD, Tiger, Haval, Snefru.

cryptography cryptohash digest hash haval keccak md4 md5 ripemd sha0 sha1 sha2 sha256 sha3 sha3-256 sha3-512 sha512 snefru tiger

Last synced: 08 Nov 2024

https://github.com/cjpatton/store

Oblivious storage of Go maps.

cryptography go

Last synced: 24 Oct 2024

https://github.com/carteni/crypto-bundle

Symmetric-key authenticated encryption in a Symfony 3 application.

authenticated-encryption bundle cryptography encryption php symfony symfony-bundle symmetric-key-cryptography

Last synced: 19 Oct 2024

https://github.com/matthiasgeihs/crypto-graph

Visualizing relationships between cryptographic primitives and number theoretic problems.

cryptography

Last synced: 09 Nov 2024

https://github.com/chetanxpro/public-key-cryptography

This is a basic project to show how public key cryptography work By using Elliptic Curve Digital Signatures

cryptography ecdsa-cryptography ethereum

Last synced: 15 Nov 2024

https://github.com/jedisct1/strange

A really tiny asymmetric crypto library.

crypto cryptography

Last synced: 12 Nov 2024

https://github.com/go-compile/qrsecrets

QR secrets is a cryptographically secure mechanism to store secret data with the highest levels of security and store it on physical paper.

256bit aes-256 argon2 cryptography encryption qrcodes quantum-resistant-cryptosystems secure

Last synced: 16 Nov 2024

https://github.com/gers2017/zenode

Abstraction layer on top of p2panda to interact with p2panda nodes

abstraction aquadoggo cryptography graphql p2p p2panda peer-to-peer rust schema utility-library

Last synced: 17 Nov 2024

https://github.com/marcogarlet/crypto

A collection of cryptographic algorithms (even attacks) created during Cryptography classes.

algorithm cryptography

Last synced: 14 Nov 2024

https://github.com/ogoodness/vbreaker-js

CSC 483 Project - Ciphers: Caeser, Multiplicitive, Affine, Vigenere, Hill, Columnar Transposition

affine-cipher caesar-cipher columnar-transposition-cipher cryptography data-analysis decoder decryption encoder encryption hill-cipher parsing vigenere-cipher

Last synced: 14 Nov 2024

https://github.com/noloader/power8-crypto

The unoffical guide to POWER8 in-core crypto

aes-power8 book c cplusplus cryptography docbook powerpc sha-power8

Last synced: 14 Nov 2024

https://github.com/arxiver/rsam

Modified package for RSA encryption/decryption to allow large message encryption/decryption, to allow encryption through private key and decryption through public key and signature through public key and private key and vice versa. i.e. Additional functionalities to the existing crypto package https://pkg.go.dev/github.com/gossl/rsam

crypto cryptography go go-package golang gopher package rsa rsa-algorithm rsa-encryption rsa-key-encryption rsa-key-pair

Last synced: 15 Nov 2024

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: 11 Nov 2024

https://github.com/demining/crypto-risk-scoring

Useful tools and services for finding vulnerabilities in a transaction to assess the risk of blockchain and various cryptocurrencies

bitcoin bitcoin-wallet blockchain blockchain-technology cryptanalysis crypto cryptocurrencies cryptocurrency cryptocurrency-exchanges cryptography ethereum ethereum-blockchain ethereum-contract ethereum-contracts

Last synced: 12 Nov 2024

https://github.com/demining/crypto-wallet-protection

How to protect your money in Bitcoin and Ethereum cryptocurrencies in the face of the rapid growth of fake crypto wallets

bitcoin bitcoin-wallet cryptocurrencies cryptocurrency cryptography ethereum ethereum-wallet fake-data hack hacking protection protection-ring protection-scheme vulnerability

Last synced: 12 Nov 2024

https://github.com/geeklearningio/gl-ionic-secure-file-storage

A service using two encryption plugins to encrypt data on iOS and Android

cordova cryptography ionic security storage

Last synced: 11 Nov 2024

https://github.com/demining/qianshi-quantum-computer

Cryptocurrency of Bitcoin against QIANSHI quantum computer from Chinese search engine giant Baidu Inc.

attack bitcoin bitcoin-transaction bitcoin-wallet blockchain cryptocurrencies cryptography ecdsa ecdsa-cryptography privatekey quantum-computing vulnerability

Last synced: 12 Nov 2024

https://github.com/lucadibello/virtualsafe

🔒 Crypt your directories and make your files completely unreadable!

cryptography fernet privacy-tools python security security-tool

Last synced: 11 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/astro-gram/password-manager

This is a secure password manager written in Python. 🔥🔥

cryptography encryption password-manager python

Last synced: 15 Nov 2024

https://github.com/i-umairkhan/ecdsa_node

Transactions via ECDSA cryptography algorithm.

cryptography ecdsa-cryptography express javascript nodejs react

Last synced: 15 Nov 2024

https://github.com/xu-cheng/pbc-bindings

:electric_plug: Bindings for Pairing-Based Cryptography (libpbc)

bindings cplusplus cplusplus-14 cryptography pbc python ruby swig

Last synced: 15 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/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/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/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/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/iamnotstatic/wallet-manager

This is for managing crypto addresses and generation

bitcoin blockchain cryptocurrency cryptography ethereum

Last synced: 25 Oct 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/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/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/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/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/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/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/denpeshkov/httpsign

Signatures for HTTP requests

cryptography go golang http signature

Last synced: 17 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/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/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/aead/blake2b

The BLAKE2b hash algorithm as defined in RFC 7693

blake2b blake2b-hash-algorithm cryptography go

Last synced: 12 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/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/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/tynes/libsigner

manage watch only bitcoin wallets with bcoin

bcoin bitcoin cryptography ledger nodejs trezor

Last synced: 10 Oct 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/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/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/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/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/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/haizzz/lockbox

Double click to encrypt / decrypt a folder

cryptography encryption hacktoberfest python python3

Last synced: 01 Nov 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/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/kevincharm/broth16

Groth16 using BLS12-381 pairings

cryptography groth16 zk-snarks zkp

Last synced: 08 Nov 2024

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

Golang implementation of multiple crypto protocols

cryptography golang

Last synced: 06 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/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/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/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/alisianoi/lyra2-java

Subset of Lyra2 password hashing

cryptography hash-algorithm password

Last synced: 13 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/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/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/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

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 218 The list 206 Cryptography 115 Resources 111 2018 96 Frameworks and Libs 92 Blockchain Explorers 91 Research papers and publications 87 MEV 83 Password-less auth 82 Authorization 79 Tools 79 Development Tools 77 Uncategorized 75 Ecosystem 63 Papers 60 Misc 57 More 56 Content 55 Multi-factor auth 54