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/ptrvsrg/crypto

Source code for cryptographic algorithms implemented in Go.

block-cipher cryptography gost-r-34-12-2015 hash-functions magma sha-1 stream-cipher vernam-cipher

Last synced: 30 Jun 2026

https://github.com/daleksla/present

Implementations of the PRESENT algorithm for a Rasberry Pi PICO

c11 cmake cryptography rasberry-pi-pico

Last synced: 20 Jun 2025

https://github.com/tn3w/stem-rs

A complete Rust library for Tor control protocol — build privacy-focused applications with type-safe, async-first APIs

anonymity async control-protocol cryptography onion-routing privacy rust security socks-proxy stem tokio tor tor-controller

Last synced: 11 Jan 2026

https://github.com/chasebryan/-wuci-ji

无此机(Wuci-ji); x86_64 assembly research into machine code, execution boundaries, syscalls, memory, and precise low-level control.

assembly binary-analysis computer-architecture cryptography elf execution-model low-level machine-code syscalls systems-programming wuci-ji x86-64

Last synced: 01 Jul 2026

https://github.com/shireee/gpu-file-encryption

library for encode/decode files on gpu using cryptographic algorithms

cpp cryptography gpu-computing

Last synced: 17 Mar 2025

https://github.com/rkstudio585/en-de-cryptor

The Encryptor/Decryptor Tool is a Python application for securely encrypting and decrypting messages using a user-friendly interface, featuring key generation, message encryption, and decryption, all powered by the rich library and cryptography for security.

cryptography decryption encrypted-message encrypted-message-and-text encrypted-text encryption encryption-decryption pyfiglet rich terminal-app user-interface

Last synced: 29 Dec 2025

https://github.com/igorfonseca05/curso-ciberseguranca

Repositório dedicado aos estudos de cibersegurança, com práticas e conceitos essenciais. 🔐🛡️ Inclui scripts, anotações e experimentos sobre proteção de sistemas e redes. 💻⚡

cibersecurity cryptography hash igorfonseca05 security webdevelopment

Last synced: 17 Mar 2025

https://github.com/PeaceFounder/TallyProofs.jl

Cryptographic core for E2E verifiable voting system with everlasting privacy and coercion resistance via post-cast isolation

cryptography evoting

Last synced: 06 Apr 2026

https://github.com/psychlone77/election-system-core

A secure, privacy-preserving electronic voting system built with TypeScript and NestJS, implementing blind signatures, threshold cryptography, and end-to-end ballot encryption.

blind-signatures cryptography e-voting-system nestjs postgresql threshold-cryptography

Last synced: 01 Jul 2026

https://github.com/mikebrown0409/project-fuse

Zero-knowledge proof system for verifiable compliance envelopes. Proves compliance checkers executed correctly without revealing sensitive data. Built with RISC Zero zkVM. Phase 1 complete.

audit compliance cryptography gdpr privacy-preserving regulatory-compliance risc-zero rust soc2 zero-knowledge-proofs zkp zkvm

Last synced: 11 Jan 2026

https://github.com/iotexproject/rs-proximity-gaps

Lean 4 formalization, Python verification, and manuscripts for two ePrint papers on FRI proximity gaps above the Johnson radius (Chai & Fan, IoTeX, 2026) — ePrint 2026/861 + 2026/858.

action-orbit correlated-agreement cryptography ethereum formal-verification fri interactive-oracle-proof johnson-bound lean4 mathlib proximity-gap reed-solomon stark succinct-proofs zero-knowledge-proofs zk-stark

Last synced: 01 Jul 2026

https://github.com/mlziade/keycrypt

A fun and challenging puzzle website. You can create puzzles for friends and other players to solve! Only then can they decrypt your message...

cryptography django game puzzle puzzle-game

Last synced: 15 May 2026

https://github.com/cadeke/lets-go

lets-go is a simple CLI application written in Go for encrypting and decrypting files.

cli cryptography decryption encryption golang

Last synced: 05 Jun 2026

https://github.com/carlosmakin/enigma-cli

A simple command-line interface for encrypting and decrypting data.

cli cryptography dart

Last synced: 24 Aug 2025

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

A Rust implementation of ring signatures using Ristretto.

crypto cryptocurrency cryptography monero ring ring-signature ring-signature-scheme ring-signatures

Last synced: 15 May 2026

https://github.com/simonbrandner/crypto-intro-slides

Slides for a presentation I gave to some of my friends to introduce them to cryptography

cryptography slides typst

Last synced: 16 Feb 2026

https://github.com/pjiwm/goodcoin

Simple blockchain implementation of a cryptocurrency written Python. CLI with miner and wallet functionality.

blockchain blockchain-technology cryptocurrency cryptography python

Last synced: 13 Jun 2026

https://github.com/hostileninja72/encryption-tool

A tool used to encrypt using different algorithms.

aes chacha20 command-line-tool cryptography python rsa

Last synced: 02 Mar 2025

https://github.com/shyamsunder149/ctf-notes

CTF Notes made for my references for Solving CTFs

cryptography forensics notes python steganography

Last synced: 13 Jun 2026

https://github.com/jieunhan17/cryptographicsecurityprotocol

A team project from the Corporate Computer Security class in 2019

cryptography tls

Last synced: 21 Apr 2026

https://github.com/jsf0/aspis

command line encryption filter using NaCL

argon2 command-line cryptography encryption filter libsodium pipe ruby

Last synced: 17 Mar 2025

https://github.com/nexys-system/crypto

Simple crypto helpers for Node

cryptography node package typescript

Last synced: 18 May 2026

https://github.com/onlyf0ur/openssl-mojo

Indirect OpenSSL bindings for Mojo

bindings c cryptography mojo openssl

Last synced: 17 Mar 2025

https://github.com/wisdomenigma/triplicata

Triplicata Hash :tada:

cryptography file hash

Last synced: 17 Jun 2026

https://github.com/ymcx/skibidifier

Encrypts your strings to form a funny-looking wall of text consisting of the words 'skibidi' and 'toilet'. Based on TEA (Tiny Encryption Algorithm)

cli command-line command-line-tool crypto cryptography encryption rust

Last synced: 14 Oct 2025

https://github.com/michaelgiuliano/s3-crypt-vault

A secure client-side encrypted storage system for AWS S3.

aws cli cloud-security cryptography cybersecurity devops encryption python s3

Last synced: 06 Apr 2026

https://github.com/fynydd/fynydd.enigma

An Enigma Machine emulator that enciphers text strings and which can be used for modern quantum-resistant encryption in mobile, desktop, and server apps (Windows, macOS, Linux, .NET 9.0, x64, Arm64, Apple Silicon).

cipher crypto cryptography dotnet encryption enigma enigma-machine keyless keyless-cipher machine ww2

Last synced: 21 Apr 2026

https://github.com/luckyone-cc/stardelegateminer

The Star Delegate Miner is a wrapper to simplify the crypto-mining process in combination with pooling.

cryptocurrency cryptography csharp mining mining-pool mining-software

Last synced: 17 Mar 2025

https://github.com/shaina-gh/md5-mac

A Java-based tool to generate secure Message Authentication Codes (MACs) using HMAC-MD5 for verifying data integrity and authenticity. Features MD5 hashing, RFC 2104-compliant key adjustment, and inner/outer hash computation with ipad/opad. Ideal for learning cryptographic integrity checks, with sample key-message inputs and hex-encoded output.

cryptography hashing java mac

Last synced: 15 May 2026

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: 13 Mar 2025

https://github.com/buanzo/openpgp-requests

A wrapper to the Python Requests module that implements some OpenPGP cryptographic features such as encryption. It allows developers to add a cryptographic layer to HTTP requests, particularly useful for building more secure APIs. See README.md for server-side stuff.

api cryptography data-security information-security openpgp python-requests python36 rest-client

Last synced: 11 Apr 2025

https://github.com/riyamishra28/cryptotools

Created an Application for Information System Security (ISS) Lab, where we implemented the following algorithms: 1. Diffie Hellman-MIMT Attack 2. Miller-Rabin Primality Test 3. DES-Differential Cryptanalysis

android-application cryptography

Last synced: 15 May 2026

https://github.com/tirthraj1605/website-security-grader

Website Security Grader is a Python-based tool to analyze the security of any website by checking SSL, TLS, headers, and other security practices. It assigns a security grade (A+ to D) based on industry-standard best practices.

cryptography httpclient python3 requests socket ssl

Last synced: 18 Mar 2025

https://github.com/nthnn/quickdigest5

QuickDigest5 is a lightweight C++ library for computing MD5 hashes of strings and files.

cpp-algorithms cpp-libraries cpp-library cryptography cryptography- md5 md5-hash

Last synced: 03 Apr 2025

https://github.com/manasajayasri/image-steganography-with-stego-analysis

This repository hosts a Java-based image steganography tool designed to securely embed secret messages within digital images. The tool supports various image formats, including PNG, JPEG, and BMP, and employs multiple steganography techniques to maintain the integrity and confidentiality of the data.

awt cryptography digital-image-processing information-security java steganography

Last synced: 18 Mar 2025

https://github.com/ayushshrivstava/iitgn_cs431

CS431 - Computer Network and Security.

cryptography memory-safety network-security web-security

Last synced: 08 Sep 2025

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: 03 Apr 2025

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: 03 Apr 2025

https://github.com/bahadylbekov/vaccinex-app

VaccineX genome data marketplace application

blockchain cryptography distributed-systems ethereum ipfs nucypher typescript

Last synced: 09 May 2026

https://github.com/bursasha/cpp-cryptography-projects

Cryptographic techniques using C++ and OpenSSL, covering encryption modes, hash functions, hybrid encryption, and various cryptographic concepts 🔐

assymetric-key-cryptography block-cipher cipher-algorithms cpp cryptoanalysis cryptography cryptography-algorithms encryption-decryption hash-functions hybrid-encryption openssl security

Last synced: 03 Apr 2025

https://github.com/t-bast/blue-avocado

A collection of cryptographic tools.

cryptography educational

Last synced: 09 Sep 2025

https://github.com/3QNRpDwD/LonginusPYPI

It is a library created to study sessions, tokens, etc. under the https communication protocol. It is incomplete and insecure.

aes cryptography decryption encryption python3 rsa socket socket-io

Last synced: 27 Mar 2025

https://github.com/sap/sprint

SPRINT is a scalable framework for differentially private (DP) fine-tuning and inference via multiparty computation (MPC) of transformer-based models. SPRINT is built on top of PyTorch, Opacus for DP fine-tuning and CrypTen for MPC inference.

cryptography differential-privacy fine-tuning multiparty-computation secure-inference transformers

Last synced: 16 May 2026

https://github.com/affinidi/affinidi-zkp-crypto-rs

A Rust library provides circom ecosystem compatible BabyJubJub EdDSA sign/verify primitives and Poseidon hashing with exports, for mobile integrations

affinidi cryptography trust zkp

Last synced: 16 May 2026

https://github.com/vermillionpaws/genpasswd

Cryptographically secure password generator using libsodium

clang cryptography password-generator security-tools sodium

Last synced: 05 May 2025

https://github.com/lucianoscarpaci/ctf-challenge-capture_us_xor

Enhance cybersecurity defenses with a specialized solution tackling a Capture the Flag challenge involving decryption of an encrypted message with a 2-bit key length using a C++ brute-force method.

brute-force-attack capture-the-flag cryptography cybersecurity decryption-tool encryption-decryption ethical-hacking problem-solving-algorithms software-security xor-cipher

Last synced: 20 Mar 2025

https://github.com/lucianoscarpaci/cipher

Unlock the world of clandestine communication with Python's XOR cipher, enabling the concealment and revelation of messages through sophisticated encryption and decryption techniques.

algorithm-implementation cryptography data-security encryption-decryption information-hiding python secure-communication software-development symmetric-key-cryptography xor-cipher

Last synced: 20 Mar 2025

https://github.com/mrtimu139/non-transitive-dice-game-hmac

A console-based implementation of a Generalized Non-Transitive Dice Game with HMAC verification. Supports configurable dice, fairness in random number generation, and enhanced usability features like detailed help tables.

cryptography cryptography-library dice-probability game-theory hmac javascript non-transitive-dice secure-random-number-generation verification

Last synced: 20 Mar 2025

https://github.com/narukoshin/yako

Password manager that works on my rules.

cryptography enryption go golang password-manager privacy security

Last synced: 11 Jun 2026

https://github.com/shamikaredkar/secure-password-manager

The "Secure Password Manager" is a Python-based tool for securely storing and managing passwords locally. Utilizing advanced encryption provided by the cryptography library, it offers a simple CLI for easy and safe password handling. Ideal for educational purposes or personal use, it ensures your sensitive information remains secure on your device.

command-line cryptography fernet fernet-cryptography fernet-decryption fernet-encryption fernet-key password-manager python

Last synced: 12 May 2026

https://github.com/jmg-duarte/rot

🔪 Caesar Cipher CLI Tool 🔏

caesar-cipher cipher cryptography rot rot13 rotation rust

Last synced: 20 Mar 2025

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

edwards curves in cryptol

cryptography

Last synced: 20 Mar 2025

https://github.com/m1thrandir225/is-labs

Laboratory Exercises for the Information Security course

algorithms cryptography hashing security swift

Last synced: 16 May 2026

https://github.com/bromaniac/snuffle

Daniel J Bernstein's crypto system snuffle

c cli cryptography history

Last synced: 27 Mar 2025

https://github.com/ppad-tech/aead

Haskell AEAD-ChaCha20-Poly1305

aead chacha20 cryptography haskell poly1305

Last synced: 25 Aug 2025

https://github.com/sgnn7/openssl-fips

OpenSSL FIPS-compliant 140-2 cryptographic module canister for Docker container targets.

containers cryptography docker docker-container encryption fips fips-140-2 fips-build fips140-2 openssl openssl-tools security trusted-execution-environment

Last synced: 16 May 2026

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

A simple DES implementation in Python

cryptography numpy python

Last synced: 15 Jun 2026

https://github.com/Crittora/qripton-sdk-js

A secure SDK for data encryption, decryption, and digital signatures using AWS Cognito authentication. Provides enterprise-grade cryptographic operations with simple API integration.

api-client authentication aws-cognito cryptography data-encryption decryption digital-signature encryption enterprise-security node-js npm-package sdk security typescript

Last synced: 04 Apr 2025

https://github.com/tomeffect0613/rsacrack

Obtain the passphrase of a private key (id_rsa), this tool uses the ssh-keygen binary to perform a brute force attack until a successful collision occurs.

bruteforce-attacks c cracking cracking-password cryptography ctf experiments factorisation maths password reverse-engineering rsa rsa-cryptography ssh

Last synced: 11 Apr 2025

https://github.com/albinzayedrawan/random-number-generator

Lab exercises to understand the concepts of True Random Number Generators (TRNG) and Pseudo-Random Number Generators (PRNG).

cryptography lcg prng trng

Last synced: 04 Apr 2025

https://github.com/Cach30verfl0w/Krypton

A modular and extensible Kotlin library suite for Cryptography

algorithms android crypto cryptography encryption ios jvm kotlin kotlin-multiplatform kotlin-native krypton

Last synced: 09 Sep 2025

https://github.com/albinzayedrawan/classical-ciphers-and-transposition-techniques

Lab Exercises about Classical Ciphers and Transposition Techniques

caesar-cipher cryptanalysis cryptography vigenere-cipher

Last synced: 04 Apr 2025

https://github.com/jeffotoni/gocry

Encrypt files

crypto cryptography go golang

Last synced: 04 Apr 2025

https://github.com/flammafex/prestige

Anonymous verifiable voting — secret ballot, public proof. Cryptographic polls where no one can stuff the ballot and no one knows how you voted.

anonymous-voting blind-signatures cryptography e-voting nodejs polls privacy secret-ballot typescript veribiable voting

Last synced: 11 Jun 2026

https://github.com/aswinr24/decypher

Speedy Cipher Decryption / Encryption CLI tool

cli cryptography hacktoberfest python

Last synced: 11 Apr 2025

https://github.com/samuel-lucas6/utc.net

Bellare and Hoang's UtC and HtE[UtC] transforms using ChaCha20-Poly1305 and BLAKE2b.

aead blake2 blake2b chacha20 chacha20-poly1305 chacha20poly1305 committing-aead crypto cryptography key-committing poly1305

Last synced: 17 Jun 2025

https://github.com/10d9e/zk-pass

A password authentication service, based on the chaum-pedersen zero-knowledge interactive protocol

chaum-pedersen cryptography rust zero-knowledge

Last synced: 12 Apr 2025

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: 07 Apr 2026

https://github.com/ratware-official/ratsign

Signs files with an encrypted private key and password, and verifies them using their signature file and a trusted public key or key ID.

cli cryptography csharp dotnet signing

Last synced: 16 May 2026

https://github.com/ermingbear/electron-executor-ea

Roblox Electron Executor is one of the most favorite Roblox Executors at the moment. Before I tell you how to download Electron Executor, let me tell you that it is currently available safely for Windows. But it is not officially available for Android users as of now but the update is coming and will be launched soon.

cryptography cybersecurity electron electron-app encryption gpg gpt java llm mobile nodejs offline pgp privacy

Last synced: 07 May 2025

https://github.com/jhmmax/hashgen

hashgen - the blazingly fast hash generator argon, base58, base64, bcrypt, cyclone, generator, hash, hashcat, hashgen, md5, mdxfind, mosecode, multithreaded, ntlm, sha, sha1, sha256, sha3, threaded, yescrypt

aes alireza argon base64 bcrypt cryptography cryptojs cyclone hash hashgen java javascript md5 mdxfind

Last synced: 07 May 2025

https://github.com/touhidurrr/randomcryp

A cryptographically secure, feature rich, zero dependency, lightweight and browser friendly random number generator library.

browser bun cross-platform crypto cryptography deno friendly generator javascript lightweight nodejs number open-source package random typescript web web-crypto zero-dependency

Last synced: 12 Apr 2025

https://github.com/ngvuthdanhh/certificate-information-security-openlearn

Comprehensive learning repository for the OpenLearn Information Security program, featuring detailed notes, hands-on labs, demos, guides, cheatsheets, case studies, and a certificate of completion. Focuses on network, system, application, and cloud security, covering both attack techniques and defense strategies.

access-control application-security cloud-security cryptography githublearning information-security monitoring system-security

Last synced: 25 Jan 2026

https://github.com/ngvuthdanhh/certificate-cryptography-leeds-clickstart-futurelearn

Learning notes, labs, cheatsheets, and certificate for An Introduction to Cryptography by University of Leeds & Click Start on FutureLearn. Covers symmetric/asymmetric encryption, hashing, signatures, and cryptographic protocols.

aes cryptography decryption encryption futurelearn githublearning rsa security university-of-leeds

Last synced: 25 Jan 2026

https://github.com/ngvuthdanhh/certificate-blockchain-fundamentals-101blockchains

Notes, labs, research, extras, and certificate for the Blockchain Fundamentals program by 101 Blockchains. The project explores blockchain architecture, consensus mechanisms, cryptography, smart contracts, and applications in Web3 security.

101blockchains blockchain cryptography cybersecurity distributed-systems githublearning smart-contracts web3

Last synced: 25 Jan 2026

https://github.com/localnerve/hmac-symmetric

A library for symmetric encryption with hmac digests

bot-mitigation crypto cryptography encryption hmac nodejs symmetric-encryption

Last synced: 12 Apr 2025

https://github.com/georgiifirsov/bcm-lib

Implementation of some block ciphers modes of operation. This library is written for my research about full disk encryption.

block-cipher-mode block-ciphers cryptography research symmetric-encryption thesis

Last synced: 12 Oct 2025

https://github.com/oxarbitrage/hsalsa20

Haskell implementation of the Salsa20 Cipher

cryptography haskell salsa20 stream-cipher

Last synced: 11 Jul 2025

https://github.com/oxarbitrage/salsa20

Attempt to formalize salsa20 in lean

cryptography lean mathlib salsa20

Last synced: 11 Jul 2025

https://github.com/casz92/ntru_falcon

NIF C library for Elixir, implementing the post-quantum cryptography algorithm Falcon

cryptography elixir ntru post-quantum-cryptography

Last synced: 16 May 2026

https://github.com/rodrigo-kelven/script_hashed

Projeto de criptografia de dados de forma irreversível

criptography cryptography python3

Last synced: 07 May 2025

https://github.com/eshan327/javachain

A blockchain developed in Java with relevant cryptographic and transactional functions.

blockchain cryptography java maven

Last synced: 16 May 2026

https://github.com/josecarlosnf/te-seginfo

Códigos da disciplina de Tópicos Especiais II - Segurança da Informação. ✨ Fundamentos de criptografia

cryptography python security

Last synced: 19 Jun 2025

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: 19 Jun 2025

https://github.com/dangnh0611/cryptography1_coursera

Coursera: Cryptography I assigments

cryptography python

Last synced: 11 Jun 2026

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: 16 May 2026

https://github.com/yannvvv/tlsferret

TLSferret is a fast SSL/TLS scanner built in Rust, offering extensive protocol support and dual TLS engines for modern and legacy systems. It also includes STARTTLS support for multiple protocols, ensuring comprehensive security analysis. 🛠️🔒

certificate cipher cipher-suites command-line-tool cryptography post-quantum-cryptography rust starttls tls

Last synced: 21 Jun 2025