An open API service indexing awesome lists of open source software.

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/aarant/nescient

Store, encrypt and decrypt files to and from encrypted, authenticated containers.

cryptography encryption-tool python python3

Last synced: 12 May 2025

https://github.com/enusbaum/vigeneresolver

A Vigenere Cipher Solver written in C#

cryptography csharp vigenere-cipher

Last synced: 15 Apr 2025

https://github.com/defeo/postscryptum

SageMath notebooks for Isogeny Graphs in Cryptography

cryptography elliptic-curves isogenies post-quantum post-quantum-cryptography sagemath sidh

Last synced: 13 Mar 2026

https://github.com/shafdo/mini-text-toolkit

Mini Text Toolkit (MTT) is an open-source offline text conversion tool. This tool was designed to provide some help when solving crypto CTF challenges. But it can be used for general use as well due to its simplicity 😃.

cryptography ctf-tools pysimplegui python3 text-conversion text-converter

Last synced: 13 Apr 2025

https://github.com/athanorlabs/go-dleq

go implementation of cross-group discrete logarithm equality proofs

cryptography dleq zero-knowledge

Last synced: 14 Apr 2025

https://github.com/risstudio-tm/ris-libraries

Libraries designed for various types of tasks that include many modules: Localization (Xaml/Json with dynamic update and full WPF support, etc.), Collections, Unions, Configuration, Settings, Logging, Cryptography, Text, Generation, Versioning, Randomizing, Synchronization, Reflection, Mathematics, Tasks, Graphics, Extensions, Environment, Events.

collections configuration cryptography csharp-library extensions generator ini json localization localized-strings netcore netframework randomizing risstudio semver2 settings synchronization union wpf xaml

Last synced: 11 Jul 2025

https://github.com/zsystm/gadget

A simple yet powerful CLI tool for various cryptographic and address-related tasks, especially handy in Tendermint(CometBFT) & Ethereum ecosystems.

cometbft cosmos-sdk cryptography ed25519 ethereum secp256k1

Last synced: 23 Jan 2026

https://github.com/cbrnrd/krypton

🔒 A CLI tool for easy cryptography

cli command-line-tool cryptography encryption ruby security

Last synced: 22 Apr 2025

https://github.com/keygen-sh/example-cryptographic-verification

An example implementation of cryptographically verifying license key authenticity using ECC and RSA cryptography, for use in offline licensing models.

cryptography ecc-cryptography ed25519 license-keys licensing offline-licensing rsa-cryptography software-licensing

Last synced: 05 Jul 2025

https://github.com/abdelrahmanbayoumi/rsa-algorithm

Implementation of RSA Algorithm (Encryption - Decryption)

cryptography public-key-encryption python rsa-algorithm rsa-cryptography

Last synced: 04 Apr 2025

https://github.com/jonhoo/go-crypto-examples

Example code for performing various higher-level operations using the Go crypto primitives

cryptography examples golang

Last synced: 11 Oct 2025

https://github.com/leplusorg/docker-hash

Docker container with utilities to compute hashes (CRC32, MD5, SHA-1, SHA-256, SHA-512, Argon2...).

argon2 checksum crc32 cryptography docker docker-container docker-image dockerfile hash hmac md5 message-digest sha-1 sha-256 sha-512 sha1 sha256

Last synced: 19 Apr 2025

https://github.com/yantavares/segcomp

Repositório para abrigar os códigos da disciplina de Segurança Computacional (SEGCOMP) da UnB.

cryptography cybersecurity security

Last synced: 11 Mar 2026

https://github.com/tramires/cose-rust

Rust implementation of the protocol CBOR Object Signing and Encryption, COSE, RFC 8152.

cbor cose cryptography encryption mac rust signatures

Last synced: 08 Sep 2025

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: 05 Sep 2025

https://github.com/internet-of-people/iop-ts

The IOP Stack™, home to the Morpheus Identity Management System

blockchain cryptography did ssi

Last synced: 24 Feb 2026

https://github.com/piotrszyma/mcl-python

Python bindings for mcl library by herumi

bindings cryptography pairing

Last synced: 25 Apr 2025

https://github.com/manojpramesh/ether-key

Ethereum address and key file generation tool using Angular 2.

cryptography ethereum

Last synced: 14 Apr 2025

https://github.com/sanjay-sol/shamirs

This project aims to develop a secure vault system leveraging blockchain technology and cryptographic techniques.

blockchain cryptography metamask nextjs remix

Last synced: 28 Apr 2025

https://github.com/nronzel/xoracle

Brute force repeating-key XOR cracker.

cryptography ctf golang repeating-key-vigenere xor-cipher xor-decoder

Last synced: 17 Jan 2026

https://github.com/ausaf007/zk-proof-demo

Command-line application demonstrating the mathematical working of non-interactive ZK Proofs of discrete log problem. Also called the Schnorr signature scheme.

cryptography java learn non-interactive-zero-knowledge schnorr-signatures zk-proofs

Last synced: 24 Apr 2025

https://github.com/cjpatton/store

Oblivious storage of Go maps.

cryptography go

Last synced: 18 May 2026

https://github.com/nckslvrmn/whisper

Simple service for one time secret (and file) sharing

aes-gcm-256 container cryptography docker encryption golang scrypt secret-management security

Last synced: 16 Mar 2026

https://github.com/ahf/peculium_core

Peculium Core Erlang application.

bitcoin cryptography erlang

Last synced: 15 Apr 2025

https://github.com/datajuggler/blazor.crypto

This is a sample Blazor project that demonstrates Nuget package DataJuggler.Cryptography and how easy it is to use it for encryption / decryption and / or password hashing.

blazor cryptography csharp

Last synced: 14 Oct 2025

https://github.com/thomwiggers/kyber-rs

Const generics experiment. WIP Kyber implementation in Rust.

const-generics cryptography rust wip

Last synced: 12 Jun 2025

https://github.com/antonkueltz/roca-crack

Crack RSA keys generated with bad Infineon keygen

cryptanalysis cryptography rsa

Last synced: 23 Aug 2025

https://github.com/exonum/pwbox

Password-based encryption for Node and browsers

crypto cryptography encryption libsodium pwhash scrypt

Last synced: 26 Apr 2025

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: 28 Apr 2025

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: 22 Apr 2025

https://github.com/aldantanneo/bigints

WIP constant time bigint implementation in SPARK

ada bigint cryptography formal-verification spark

Last synced: 09 Aug 2025

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: 27 Jun 2025

https://github.com/pawar-tushar/securepasswordmanager

A secure password manager application developed with advanced cryptographic techniques to ensure the protection and confidentiality of user credentials.

aes-256 argon2 cli-app cryptography cybersecurity hashing password-generator password-manager password-strength python scrypt

Last synced: 22 Apr 2025

https://github.com/summercash/go-summercash

SummerTech's in-house distributed currency and computations protocol.

cryptocurrency cryptography daemon dapps distributed distributed-computing docker p2p smart-contract-platform summertech

Last synced: 11 Apr 2025

https://github.com/cryptpad/chainpad-crypto

Pluggable cryptography module for chainpad

chainpad cryptography cryptpad

Last synced: 12 Dec 2025

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 2025

https://github.com/0xjjpa/deniable-website

👀 deniable.website / An usage example of Web Cryptography API

cryptography security web

Last synced: 23 Feb 2026

https://github.com/greycloudss/sabaton

Sabaton is a WIP offline password cracker and wordlist engine in C. It generates exhaustive keyspaces and evaluates them against mainstream hash functions via a simple API. Built for air-gapped environments and high-throughput use, with a roadmap including CLI, multithreading, streaming mode, and GPU acceleration.

armourer c cracking cryptography security

Last synced: 07 Oct 2025

https://github.com/angeal185/xcrypt

cascade encryption using Serpent Twofish and AES for the browser and nodejs

aes browser cascade-encryption cipher ciphers cryptography javascript multiple-encryption nodejs serpent twofish

Last synced: 26 Oct 2025

https://github.com/shuhanmirza/cryptography-online-tool

🔒Online Tool for trying out cryptographic algorithms

cryptography

Last synced: 11 Oct 2025

https://github.com/fabianferno/the-riot-protocol

It offers device authentication, data encryption, decentralized key generation, and blockchain-based authentication for secure and reliable communication between devices and users.

arduino blockchain cryptography data gateway iot security solidity university-project

Last synced: 18 Jan 2026

https://github.com/keygen-sh/example-cpp-response-signature-verification

Example of verifying response signatures using portable Ed25519

cryptography ed25519 keygen licensing software-licensing

Last synced: 30 Aug 2025

https://github.com/tfogo/enigma-simulator

Enigma Machine Simulator for Wehrmacht Enigma I, Kriegsmarine M3 and M4 variants.

cryptography enigma-machine

Last synced: 11 Nov 2025

https://github.com/nuid/cryptography

Cross-platform cryptographic fundamentals

clj cljc cljs clojure clojurescript cryptography hashing random

Last synced: 09 Apr 2025

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: 10 Mar 2026

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: 15 Oct 2025

https://github.com/proxyco/swift-jose

Swift implementation of the JSON Object Signing and Encryption (JOSE) family of specifications

cryptography jose jwa jwe jwk jws rfc7515 rfc7516 rfc7517 rfc7518 rfc7638 rfc8037 rfc8812 swift swift-jose

Last synced: 21 Oct 2025

https://github.com/fishfugu/elliptic

Elliptic Curve Toolbox: Tools for finite field arithmetic and elliptic curve analysis. Includes modules for large integer operations, visualisation, and finite field calculations. Hopefully useful for researchers and developers in cryptography.

cryptography elliptic-curve-arithmetic elliptic-curve-cryptography elliptic-curves literature-review mathematical-programming mathematics maths

Last synced: 16 Jan 2026

https://github.com/zhaohaijun/blockchain-crypto

Crypto for BlockChain

blockchain cryptography sm2 vrf

Last synced: 12 Mar 2026

https://github.com/cizr/perlcodingtoolkit

This repository contains a diverse collection of Perl scripts and utilities designed to assist developers in various aspects of programming and problem-solving.

client-server compression-algorithm cryptography cybersecurity data-structures digitalforensics graph perl perl5 problem-solving recursion scheduling-algorithms searching-algorithms sorting-algorithms tree webprogramming

Last synced: 21 Apr 2025

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: 10 Oct 2025

https://github.com/cloudflare/privacypass-config

Development and deployment CLI for Cloudflare Privacy Pass implementation

authentication cli cryptography privacy-pass token typescript

Last synced: 20 Oct 2025

https://github.com/lvmalware/cryptopals-crypto-challenges

My solutions for the Cryptopals Crypto Challenges

crypto-challenges cryptography cryptopals perl perl5

Last synced: 31 Mar 2025

https://github.com/alex-snd/trecover

📜 A python library for distributed training of a Transformer neural network across the Internet to solve the Running Key Cipher, widely known in the field of Cryptography.

celery cryptography deep-learning distributed-systems distributed-training fastapi hivemind keyless-reading llm machine-learning mkdocs neural-network nlp python pytorch pytorch-lightning streamlit text-recovery transformers volunteer-computing

Last synced: 08 Oct 2025

https://github.com/centromere/pipes-cacophony

Pipes for Noise-secured network connections

cryptography haskell

Last synced: 13 Jun 2025

https://github.com/mbrav/docker-gost

Docker images with OpenSSL and Russian GOST crypto algorithms

crypto cryptography docker gost kuznechik nginx openssl openssl-engine ssl ssl-certificates tls

Last synced: 10 Jun 2025

https://github.com/jasondrawdy/krypta

An advanced cryptography suite packaged with a file manager, password manager, and a swiss army knife of crypto tools.

application cryptography data encryption filemanager generators hashing notepad password-manager security software windows

Last synced: 08 Jan 2026

https://github.com/tink-crypto/tink-java-gcpkms

Extension to Tink Java that provides Google Cloud KMS integration

crypto cryptography gcp-kms google-cloud-kms java security

Last synced: 27 Jan 2026

https://github.com/e3prom/kryptoxin

A security-oriented payload encryption tool written in Python.

aes cryptography encryption encryptor penetration-testing pentesting programming red-team security

Last synced: 13 May 2025

https://github.com/ironvenom/encdecpy

Python package for encoding and decoding strings using classical cipher algorithms.

classical-ciphers cryptography decoding encoding python

Last synced: 09 Oct 2025

https://github.com/emilamaj/signswap

Gas-free Ethereum decentralized exchange. The cryptographic signing lets you securely swap tokens without spending gas fees.

cryptography dapp decentralized-exchange dex ethereum foundry-rs react solidity

Last synced: 19 Apr 2025

https://github.com/tink-crypto/tink-java-awskms

Extension to Tink Java that provides AWS-KMS integration

aws-kms crypto cryptography java security

Last synced: 27 Jan 2026

https://github.com/armfazh/qdsa-space17

[New Optimized] This is an optimized C-language library of the qDSA digital signature scheme instantiated with Curve25519.

cryptography curve25519 digital-signature high-performance montgomery-ladder public-key-cryptography qdsa x64

Last synced: 30 Mar 2025

https://github.com/jack-q/cryptwist

Cryptographic Primitive Implementation for illustration

cryptography decryption encryption hash signature visualization

Last synced: 21 Feb 2026

https://github.com/jeffotoni/s3goamz

Loads files to s3 aws using the goamz library, a file encryption library

aws-s3 cryptography go gocry golang s3 s3-bucket upload

Last synced: 04 Apr 2025

https://github.com/multiparty/bwwc

Centralized asynchronous secure aggregation using Shamir's secret sharing for the Boston Women's Workforce Council.

cryptography secure-multiparty-computation shamir-secret-sharing smpc

Last synced: 11 Mar 2026

https://github.com/alexaubry/crypto

Swift wrapper for CommonCrypto

commoncrypto cryptography swift

Last synced: 30 Jul 2025

https://github.com/animeshshaw/psychohasher

A Java based utility for data or file hash generation.

cryptography dfir forensics gradle hashing java

Last synced: 28 Jun 2026

https://github.com/alexadamm/jwt-vault-go

JWT implementation with HashiCorp Vault's signature

cryptography go golang jwks jwt microservices vault

Last synced: 12 Jan 2026

https://github.com/ispique/data-converter

A Python script that includes various functions for data conversion, encoding, and decoding, as well as cryptographic operations such as RSA, AES, and Triple DES encryption and decryption.

3des aes aes-encryption ascii base58 base64 binary cryptography cryptography-algorithms data-converter hexadecimal offset python python-script rot13 rot13-cipher rsa rsa-cryptography string-converter triple-des

Last synced: 13 Apr 2025

https://github.com/hugow04/vpn

VPN (Virtual private network) for MacOS and Linux

cryptography tcp udp virtual-private-network vpn vpn-client vpn-server

Last synced: 22 Jul 2025

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

PureKit SDK allows developers to protect users' passwords and sensitive personal information in a database from data breaches and both online and offline attacks and make stolen passwords useless even if a database is breached.

cryptography encryption gdpr hipaa passw0rd password password-hardened-encryption phe pii piidata sdk

Last synced: 09 May 2025

https://github.com/python273/pwngrid-api

Pwnagotchi's Pwngrid API client (⌐■_■)

cryptography pwnagotchi python

Last synced: 07 May 2025

https://github.com/astro-gram/password-manager

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

cryptography encryption password-manager python

Last synced: 24 Sep 2025