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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/ntdls/ntdls.nasccl

The NetworkDLS original symmetric cipher algorithm ported to C#.

algorithms cryptography encryption symmetric-encryption

Last synced: 11 Mar 2025

https://github.com/xkrejc70/mit-bis-project

BIS - Information System Security - Project: security mechanisms and applied cryptography

cryptography hacking penetration-testing vut-fit

Last synced: 03 Jan 2026

https://github.com/marialuizaleitao/crypto-demo

Projeto de demonstração de criptografia assimétrica (RSA) e simétrica (AES) em Node.js.

aes-encryption cryptography rsa-cryptography

Last synced: 08 Jul 2025

https://github.com/heyIsaac/TaskManager

😎🔎 A complete CRUD API for task management, an advanced level challenge proposed by DIO.me in its bootcamp with Avanade, currently has authentication with JWT token and much more (✿◕‿◕✿)

authentication-backend bootcamp-project consuming-api cryptography csharp dotnet entity-framework-core git jwt-authentication microsoft-identity minimal-api refit

Last synced: 24 Feb 2026

https://github.com/mberry/bcrypter

Bcrypt in Rust.

bcrypt cryptography hashing passwords

Last synced: 08 Oct 2025

https://github.com/ppad-tech/sha512

Pure Haskell SHA-512, HMAC-SHA512

cryptography hashing haskell sha2 sha512

Last synced: 23 Jun 2025

https://github.com/themaskedman981/sage-boolean-solver

Implementation of Boolean Arithmetic in SAGE math

cryptography python sagemath

Last synced: 30 May 2026

https://github.com/cuhsat/spritz.go

A Spritz cipher implementation in pure Go.

algorithm cryptography go golang spritz

Last synced: 29 Mar 2025

https://github.com/bromaniac/snuffle

Daniel J Bernstein's crypto system snuffle

c cli cryptography history

Last synced: 27 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/tsovak/a-cryptographic-hash-function

A Cryptographic Hash Function

cpp cryptography hash-functions

Last synced: 02 Apr 2025

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

edwards curves in cryptol

cryptography

Last synced: 20 Mar 2025

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/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/abuzaidk1234/hybridtextfileencryptor

A lightweight and secure Python-based hybrid encryption tool using AES for content encryption and RSA for key protection — ideal for safely storing and transmitting sensitive text files.

aes cryptography cybersecurity encryption encryption-decryption python rsa text-encryption

Last synced: 09 Apr 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/audrastump/hmac-encryption

Client/server socket using HMAC for data authenticity and integrity

cryptography cybersecurity encryption-decryption

Last synced: 13 Jul 2025

https://github.com/oelshocht/javacryptotoys

Java bytecode strings encryption and file signing

bytecode cryptography java security-tools

Last synced: 20 Jun 2026

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/sergeantserk/sentrio

A cryptography library for securely encrypting and decrypting data using custom protocol.

c-sharp cryptography

Last synced: 02 Apr 2025

https://github.com/dssgabriel/present24-rs

Rust port of MITM attack on 2PRESENT24.

cryptography man-in-the-middle-attack present-cipher

Last synced: 08 Jul 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/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/fialkaapp/fialka-mailbox

📬 Self-hosted store-and-forward relay for Fialka over Tor. AES-256-GCM, zero server-side decryption, no metadata, Raspberry Pi ready.

aes-256-gcm cryptography e2e-encryption end-to-end-encryption kotlin mailbox messenger onion-service post-quantum privacy raspberry-pi relay security self-hosted server store-and-forward tor zero-metadata

Last synced: 08 Apr 2026

https://github.com/bytemare/secp256k1

Go implementation of Secp256k1 based on Fiat-Crypto, with RFC9380 hash-to-curve.

cryptography golang hash-to-curve prime-order-group secp256k1

Last synced: 14 Apr 2026

https://github.com/cuhsat/spritz.lua

Spritz cipher implementation in pure Lua 5.3.

algorithm cryptography lua spritz

Last synced: 29 Mar 2025

https://github.com/trinhminhtriet/vault

🔐 Decrypt and manage encrypted data with a CLI tool built using Go and Cobra framework.

cli cryptography decryption encryption go rsa security

Last synced: 09 Apr 2025

https://github.com/princeranjan03/imageencryption_i-chip

This project focuses on creating a hardware-based encryption and decryption system that implements the Data Encryption Standard (DES) algorithm.

cipher cryptography data-encryption data-encryption-standard encoding encryption-decryption fpga image image-processing opencv rtldesign source-coding verilog verilog-hdl verilog-project vivado xilinx xilinx-vivado

Last synced: 26 Mar 2025

https://github.com/rani-abha/cryptography_algorithms

In this repository, I've gathered a collection of cryptographic algorithms that I've learned during my college years and implemented for both learning and practical purposes.

algorithms blacklist cipher-algorithms cryptography digitalsignature firewall-rules playfair-cipher sha1-hash whitelist

Last synced: 06 Jul 2025

https://github.com/yawning/edwards25519-extra

Go ed25519 extras (mirror)

crypto cryptography ed25519 h2c vrf

Last synced: 11 Mar 2025

https://github.com/soyart/gfc

stable branch of gfc, a small go file encryption utility using AES 256 and PBKDF2

aes crypto cryptography encryption rsa

Last synced: 14 Jan 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/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/im-a-kookie/cryptographic-aes-server

Simple manual implementation of multithreaded HTTP server via HTTPListenerContext, implementing custom AES virtual streams to provide large files securely.

aes-encryption cryptography http-server multithreaded-server stream-processing

Last synced: 11 Oct 2025

https://github.com/ramsyana/lorenz-chaos-encrypt

Plain Convolution Encryption as an Alternative to Overcoming the Limitations of Synchronization-Based Methods

chaos-synchronization chaos-theory cryptography encryption lorenz-system numerical-methods python secure-communication

Last synced: 09 Apr 2025

https://github.com/cuhsat/practical

A one-time pad variant for easy manual application.

algorithm cipher cryptography one-time-pad one-time-pad-cipher practical python strong

Last synced: 29 Mar 2025

https://github.com/dragonscypher/galactic-guardians

A fun game to play with friends on the same network

blockchain cryptography opengl pygame socket-programming

Last synced: 18 May 2026

https://github.com/keyweeusr/elchacha

ChaCha20 implementation as per RFC7539

chacha20 cryptography cryptography-algorithms elisp emacs rfc7539

Last synced: 08 Oct 2025

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

Offline password manager with encrypted local storage and user-friendly interface using python.

aes cryptography desktop-app encryption foss-password-app gui offline open-source password-manager python python-gui-password-manager security tkinter

Last synced: 06 Jul 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/robertoaleman/ra-ultimate-cipher-analyzer

RA Ultimate Cipher Analyzer is a web-based tool designed to analyze encrypted files and suggest the encryption algorithm used based on statistical properties and known patterns.

aes aes-128 aes-256 aes-encryption algorithms code-analysis cryptography cypher rsa rsa-cryptography rsa-decryption rsa-encryption

Last synced: 18 Feb 2026

https://github.com/ricardoyam/dataescrowsystem

A decentralized data escrow system leveraging Intel SGX and TLS as the root of trust.

cryptography openenclave openssl sgx shamir-secret-sharing tls

Last synced: 25 Jan 2026

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/maxime-cllt/primeshield

GUI RSA implémentation en Rust

cicd cryptography gui rsa-cryptography rust

Last synced: 25 Mar 2025

https://github.com/alvii147/jwgo

Efficient JWT creation and parsing in Go

cryptography golang jwt

Last synced: 14 Jun 2025

https://github.com/ndpar/spring-crypto-demo

Examples of crypto operations in Kotlin and Spring

bouncycastle cryptography openssl spring

Last synced: 12 Mar 2026

https://github.com/naemazam/live-encryption-decryption

Encryption is the process of translating plain text data (plaintext) into something that appears to be random and meaningless (ciphertext). Decryption is the process of converting ciphertext back to plaintext. To encrypt more than a small amount of data, symmetric encryption is used

aes cryptography encryption html-css-javascript javascript naemazam

Last synced: 10 Sep 2025

https://github.com/dogukansahil/advancedbrutecipher

Advanced Brute Cipher 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.

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

Last synced: 13 Feb 2026

https://github.com/ben854719/autonomous-health-monitoring-emergency-response

This app uses Bluetooth to link a worker’s smartphone with a supervisor’s laptop for live health monitoring. PySyft handles secure biometric authentication, while machine learning detects injuries and visualizes them on a dashboard. Agentic AI responds to critical events by triggering emergency protocols and contacting 911 with location data.

agentic-ai bluetooth cryptography cybersecurity error-handling gemini langgraph machine-learning-algorithms matplotlib mcpserver nltk numpy pysyft python pytorch socket tcp tenseal

Last synced: 28 Apr 2026

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

A collection of cryptographic tools.

cryptography educational

Last synced: 09 Sep 2025

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/incertia/crypto-primer

intro to crypto given to my coworkers at AIS

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

Last synced: 18 Jan 2026

https://github.com/rewired-gh/d-box-app

A trustworthy vault app utilizing state-of-the-arts algorithms

client cross-platform cryptography flutter vault

Last synced: 15 May 2026

https://github.com/kzorin52/nistp256

Rust dylib wrapper to RustCrypto/elliptic-curves [only keypair]

crypto cryptography elliptic-curves keypairs nistp256 perfomance secp256r1

Last synced: 08 Oct 2025

https://github.com/primetdmomega/bay-cracker

A set of tools for encryption, decryption of messages and to create new cyphers !

cryptography decryption encryption

Last synced: 25 Mar 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/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/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/mahfuzurrahman98/telechipher

This is a system developed as an assignment of a cyber-security course capable of transferring files through a secure communication channel with the support of encrypting data on the sender end and decryption on the receiver end.

aes-encryption chipher cryptography cybersecurity encryption-decryption pysftp rot13 sftp tkinter-gui

Last synced: 08 Oct 2025

https://github.com/nathancordeiro/magic-box-cipher

The Magic-Box Cipher is my own inspiration drawn from the classical Caesar Cipher, the Playfair Cipher and the monoalphabetic substitution cipher. Do give it a try.

cipher cipher-algorithm cryptography

Last synced: 31 Mar 2025

https://github.com/skygenesisenterprise/api-service

The Official Sky Genesis Enterprise API Service Ecosystem

api-service client cryptography data dns docker javascript nextjs service stalwart typescript websocket

Last synced: 31 Dec 2025

https://github.com/snowkluster/unseen

A modern go cli tool for hashing and analysing the type of hash

analyzer cli cryptography golang hashing modern

Last synced: 15 May 2026

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/mk-fg/ghg

Simple command-line NaCl/libsodium file encryption tool

cli cryptography nacl ocaml security tool

Last synced: 12 Jun 2026

https://github.com/adrianklessa/aes

A simple, educational implementation of AES w/ CBC mode of operation

aes aes-encryption cbc-mode cryptography pkcs7 polynomials toy-project

Last synced: 12 Oct 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/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/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/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/juliuspleunes4/noiseframework

Noise Protocol Framework in Python.

cryptography noise pypi python

Last synced: 14 Jan 2026

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

🔓 Cryptanalytic attack on the KLEIN embedded block cipher

cryptanalysis cryptography

Last synced: 08 Jun 2026

https://github.com/cloudnoize/kv-merkletree

Sparse Merkle Tree with arbitrary-length keys efficient range operations, height-reducing extensions, and verification, making it ideal for verifiable key-value storage

cpp20 cryptography key-value merkle-tree

Last synced: 31 Dec 2025

https://github.com/farhantips/cryptography-and-cryptanalysis

This repository covers practical implementations of Cryptography and Cryptanalysis, including encryption algorithms, hashing, digital signatures, and techniques for analyzing and breaking cryptographic systems.

aes-encryption authentication-protocol blockcipher ceaser-cipher cryptanalysis cryptography des diffie-hellman elliptic-curve-cryptography encryption-decryption hashing-passwords kerberos-authentication knapsack publickey-cryptosystem rsa-cryptography ssh ssl zero-knowledge-proof

Last synced: 26 Mar 2025

https://github.com/isaac-defrain/cryptography

Crypto BIP (Book In Progress)

crypto cryptography python

Last synced: 29 Jun 2025

https://github.com/simplito/privmx-pki-server

Sample PKI (Public Key Infrastructure) server for PrivMX.

communication cryptography end-to-end-encryption pki privmx

Last synced: 13 Sep 2025

https://github.com/whoiscipher/passcrypt

Open source password manager on your local machine written in go

cryptography go golang security-tools

Last synced: 11 Mar 2025

https://github.com/amdevit/hoddmir

Hoddmir is a library that implements cryptographic helpers using managed .NET APIs and well-known cryptographic libraries to provide classes with useful tools for third-party applications, such as easy-to-use secure storage or in-memory password vaults.

aead cryptography dotnet secure-storage security store

Last synced: 12 Apr 2026

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/mrmorais/cipher_algorithms

Cipher algorithms implementations in C++

cipher cryptography

Last synced: 21 Jul 2025

https://github.com/dbosk/otpkx

Towards Perfectly Secure and Deniable Communication Using an NFC-Based Key-Exchange Scheme

cryptography deniability paper

Last synced: 19 Jan 2026

https://github.com/fabiocolacio/crypt

Easily encrypt and decrypt files from cli or scripts

cryptography

Last synced: 09 Oct 2025

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/mdziegielewska/algorithms

A collection of algorithms and data structures implemented during university studies.

cryptography fundamental-algorithms numerical-methods operating-system-concepts

Last synced: 13 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/tigeryant/merkle-tree

Produces a merkle root from a set of user defined strings

binary-hash-tree cryptography merkle-tree

Last synced: 11 Oct 2025

Cryptography Awesome Lists
awesome-cryptography 272 awesome-blockchain-rust 108 Computer-Science-Resources 51 awesome-crypto-papers 102 awesome-he 90 awesome-substrate 165 awesome-ctf-resources 250 awesome-cryptography-rust 80 awesome-post-quantum 161 awesome-zama 344 Library-of-Ethereum 138 awesome-algorand 220 foundational-knowledge-for-programmers 53 awesome-infosec 83 awesome-ethereum-finance 93 awesome-risc0 46 Blockchain-Guide 538 tryhackme-awesome 1,057 bitcoin-history 137 awesome-position-based-quantum-cryptography 68 awesome-client-side-gpu 31 awesome-anonymity-papers 118 fucking-awesome-cryptography 195 free-cryptography-resources 73 awesome-julia-security 129 awesome-blockchain 30 awesome-bitcoin-internals 45
Cryptography Categories
Rooms 1,046 Frameworks and Libs 343 Contributed talks, posters and presentations 295 The list 248 Talks, posters, and presentations 243 Cryptography 175 Papers 173 Tutorials 158 Resources 153 Research papers and publications 141 Uncategorized 139 2018 101 Tools 101 MEV 89 Blockchain Explorers 89 Blockchain Playgrounds 81 Learning Resources 78 Blockchains 72 Research Groups 72 Misc 68