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/zgsolucoes/zg-data-guard

ZG Data Guard is a centralized tool designed to streamline and secure the management of multiple databases across various environments. It simplifies administration by providing a unified platform to handle database ecosystems, technologies, instances, predefined roles, databases, users, and access control. All secured through JWT-protected API.

access-management clusters-management cryptography database-management docker go go-chi godotenv golang golang-migrate jwt-auth keycloak postgresql rest-api swagger2 swaggo testify users-management

Last synced: 28 Jan 2026

https://github.com/projects-developer/github-major-projects-with-source-code

GitHub major projects Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

bcaproject btechproject computerscienceproject cryptography finalyear finalyearproject machine-learning malware malware-project mcaproject mtechproject project

Last synced: 18 Feb 2026

https://github.com/omarbaylee/vaultkey

vaultkey is an open-source Rust library for generating secure, customizable passwords. It supports various character sets and lengths, providing cryptographically secure random passwords for any use case. Contributions are welcome to improve and expand the library.

aeonvault capsulekey cryptography future-ai key-generation knowledge-preservation open-source password-manager random-password rust rust-crate rust-library time-capsule vaultkey

Last synced: 11 Jul 2025

https://github.com/pedroalbanese/gostsum

Parallel GOST R 34.11-94 CryptoPro hashsum command

cryptography gost gost94 hashsum

Last synced: 23 Jun 2026

https://github.com/karthickajan/cipherkit

77 free browser-based developer tools — AES, SHA, JWT, Base64, JSON, Regex, Diff, QR and more. 100% client-side. No login. No tracking.

aes base64 client-side cryptography developer-tools diff-checker hashing javascript json-formatter jwt-decoder no-tracking offline open-source privacy regex rsa utilities web-tools

Last synced: 30 Apr 2026

https://github.com/hayr-hotoca/flutter_chacha20_poly1305

ChaCha20-Poly1305 encryption/decryption for Flutter. Native implementations make sure it has the fastest performance.

android chacha20 chacha20-poly1305 chacha20poly1305 cipher cipher-algorithms cross-platform cryptography cryptography-algorithms dart encryption encryption-algorithms flutter ios key

Last synced: 02 May 2026

https://github.com/constantin9845/trivium-encoder

Trivium stream cipher implementation with cryptographically secure IV and Key generator.

cryptography csprng trivium

Last synced: 31 Jul 2025

https://github.com/jimmygizmo/zerotools

Applications, tools and modules written in best-practice Python, Java, Javascript, C and Perl for personal projects, enterprise projects or education.

asyncio autobahn bookmark cryptography encryption ios java perl pexpect python recursive ruby swift tcl tk wamp

Last synced: 11 Apr 2026

https://github.com/azmisahin/azmisahin-software-cryptography-steganography-net

Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.Crypto-Steganography: A condition in which the information contained in a readable data is not understood by the unwanted parties; Methods of converting a file, message, image, or video by hiding it in a file, message, image, or video.

audio bit byte char color cryptography cs decoder decoding encoder encryption int picture pixel steganography string studio text video visual

Last synced: 29 Mar 2025

https://github.com/benwoo1110/cryptography-gui

Simple visualisation for basic string cryptography algorithms

algorithms cryptography cryptography-gui pygame python3 string-cryptography-algorithms visualisation

Last synced: 31 Mar 2026

https://github.com/loneicewolf/cryptography

Encryption implemented in various languages. like AES and Serpent, more coming.

aes c cascade-encryption cipher cpp cryptography openssl rijndael serpent

Last synced: 08 Mar 2026

https://github.com/alhonaut/zkp-grpc-server

Chaum-Pederson Zero-Knowledge Proof in Rust with gRPC and Docker

cryptography grpc rust

Last synced: 03 May 2026

https://github.com/w3c/identity-web-impact

This document proposes an overview of Digital Identities on the Web and an analysis through different use cases of the systemic impact on both the market side and the human side, as well as the role that Web standardization may play in managing that impact

cryptography identity spice threat-modeling verifiable-credentials

Last synced: 11 Jul 2025

https://github.com/gusandrioli/small-aes

Simple text and PDF encrypter/hasher CLI application.

aes cryptography golang

Last synced: 15 Jan 2026

https://github.com/yashraj-n/legitly

A simple PDF Signing and verifying website. Made in Next.js

authentication cryptography pdf verification web3

Last synced: 23 Jun 2026

https://github.com/lovasoa/sha_hashes

Collection of sha hashes of common passwords

cracking cryptography security sha1 website whitehat

Last synced: 28 Jan 2026

https://github.com/ryanoutcome20/cryptify

A WinForms based file Encryption system.

aes cryptography csharp des filesystem tools tripledes windows windows-forms

Last synced: 25 Feb 2026

https://github.com/theduardomaciel/cryptosia-web

A platform for generating public and private keys that work in sync, ensuring simplified security of sensitive messages through RSA encryption.

c cryptography emscripten nextjs react rsa rsa-cryptography tailwindcss wasm webassembly

Last synced: 12 Apr 2026

https://github.com/lucabonamino/crypto-vdf

Cryptocurrency and Cryptographic blockchain Verifiadle Delay Functions project

cli cryptocurrency cryptography pietrzark-vdf python verifiable-delay-functions wesolowski-vdf

Last synced: 27 Dec 2025

https://github.com/tommasoazz/cryptography-notes

Notes for studying, preparing homeworks and exams of the course "Cryptography" of University of Bologna, Master Degree in Computer Science (LM Informatica), A.Y. 2021/2022.

computer-science cryptography notes

Last synced: 11 Feb 2026

https://github.com/scarlet-oni/lock-talk

Console messenger between client and server using TLS 1.3 protocol to encrypt messages

console cryptography cyber-security cybersecurity messaging messanger python python3

Last synced: 13 Feb 2026

https://github.com/insektdotbin/doxbox

📦 DoxBox will help you learn to make tools for cybersecurity purposes using Python 3.

cpp cryptography cybersecurity cybersecurity-education hacking hacking-tool information-gathering javascript python

Last synced: 28 Feb 2026

https://github.com/cosmian/cloudproof_flutter

The Flutter API library to Cosmian Cloudproof Encryption

android cloud cloudproof cryptography dart flutter ios

Last synced: 01 Mar 2026

https://github.com/scar26/votesec.io

An automated voting platform based on Azure Blockchain that offers complete anonymity, instantaneous results and a plethora of other features

blockchain cosmosdb cryptography iot node-chakra solidity truffle

Last synced: 03 Mar 2026

https://github.com/saeed0x1/black-hat-ctf

This CTF event was organised by Data Science analytics and Cyber Security club at the annual Tech Fest Prajyukttam 🎆, Assam Don Bosco University 🎓

binary-exploitation capture-the-flag cryptography ctf ctf-challenges ctf-tools digital-forensics web-exploitation website

Last synced: 04 Mar 2026

https://github.com/jedisct1/gimli-constructions

Cryptographic constructions based on the Gimli permutation.

crypto cryptography gimli

Last synced: 05 Mar 2026

https://github.com/jahlives/openssl_encrypt

Post-quantum hybrid encryption with chained KDF architecture. Supports ML-KEM, Kyber, Argon2, Balloon, RandomX. CLI + GUI included.

cryptography encryption hash-chaining kdf-chaining post-quantum python security steganography

Last synced: 01 Apr 2026

https://github.com/5n00py/soft-aes

Software implementation of the AES cipher with related modes of operations

aes aes-128 aes-192 aes-256 aes-cbc aes-cmac aes-ecb cryptography cryptography-library cybersecurity pkcs7 rust-crypto rust-cryptography-library

Last synced: 02 Apr 2026

https://github.com/shaygali/crypto-project

python crypto course final project

course-assignment cryptocurrency cryptography python

Last synced: 17 Apr 2026

https://github.com/marekyggdrasil/minicurve

A simple library for elliptic curve visualization.

cryptography education visualisation visualization

Last synced: 17 Apr 2026

https://github.com/egorkhaklin/glass

A pure functional language whose compiler is written in Glass and self-compiles to byte-identical C, carrying a from-scratch zero-knowledge STARK prover: write a function, get a proof of its result. Hindley-Milner types, effects, exhaustive matching.

algebraic-data-types compiler cryptography effect-system fri functional-programming hindley-milner interpreter pattern-matching programming-language programming-language-design refinement-types self-hosting stark type-inference type-system zero-knowledge zero-knowledge-proofs zk zk-stark

Last synced: 10 Jun 2026

https://github.com/gotz1480/bitcoin-cryptography-ecc

Study of bitcoin elliptic curve cryptography (ECC)

bitcoin cryptography ecc-cryptography elliptic-curve-cryptography

Last synced: 07 Apr 2025

https://github.com/jnm2/threshold

Paper backup requiring a chosen K of N pieces to decrypt. Useful for storing passwords, private keys for PGP or Bitcoin, recovery codes, secret instructions, and small files. Work in progress.

backup bitcoin cross-platform cryptography csharp digital dotnet-core encrypt paper password pgp print private-key redundancy secret-sharing security shamir threshold wallet

Last synced: 10 May 2026

https://github.com/pauldreik/lemac

C++ implementation of the lemac hash by Augustin Bariant

cryptography hashing

Last synced: 21 Jun 2026

https://github.com/agu3rra/pykeys

Securely store and use your API keys

api coding cryptography key secure token

Last synced: 16 Jan 2026

https://github.com/ml3m/cryptography-algorithms-exploration

implementations of various cryptographic algorithms, including both symmetric and asymmetric encryption, hashing, and key exchange techniques

blowfish-algorithm chacha20 cryptography cryptography-algorithms cryptography-concepts encryption-decryption rsa-cryptography

Last synced: 18 Jun 2025

https://github.com/luffy0xcyber/cryptographie_classique

Implémentation Python des chiffrements historiques (César, Hill, Vigenère) avec explications détaillées et simples | Projet éducatif de cryptographie

cesar-cipher cesar-cypher ciphers cryptography cybersecurity education encryption hill-cipher learning-project mathematics python security vigenere-cipher

Last synced: 13 Jun 2025

https://github.com/mobilecoinfoundation/rand

A platform abstraction layer providing a cryptographic RNG

cryptography no-std random rng

Last synced: 26 Jul 2025

https://github.com/loneicewolf/ciphers-python

Cypher, Cipher, Cyphers, Ciphers, cryptography, encryption, obfuscation, enciphering, deciphering - in python3

alphabet cipher cryptography encryption jupyter-notebooks python substitution-cipher

Last synced: 23 Apr 2025

https://github.com/nning/vigenere_jorin

Quick POC of an idea for a Vigenere variant, my 6 year old son inspired

cryptography vigenere

Last synced: 22 Jul 2025

https://github.com/antonmeep/system_random

Minimal Ada library to retrieve random data from system sources

cryptography random security

Last synced: 23 Feb 2026

https://github.com/copyleftdev/tls_info

cli tool to check TLS version , and cypher

cryptography golang security-tools tls-cipher

Last synced: 31 May 2026

https://github.com/uncomputable/tackling-bulletproofs

In-depth survey into what Bulletproofs are and how they work

cryptography learning mathematics pdf tutorial zero-knowledge-proof

Last synced: 19 Mar 2026

https://github.com/nexenio/rxkeystore

RxJava wrapper for the Android keystore and cryptography utilities

android android-library cryptography rxjava

Last synced: 19 May 2026

https://github.com/hayr-hotoca/react-native-chacha20-poly1305

ChaCha20-Poly1305 encryption/decryption for React Native. Native implementations make sure it has the fastest performance.

256-bit aes android chacha20 chacha20-poly1305 chacha20poly1305 cipher cipher-algorithms cross-platform cryptography encryption encryption-algorithms ios javascript react react-native reactjs typescript

Last synced: 07 Oct 2025

https://github.com/idriz4work/htb

Hack The Box (HTB) is an online platform for practicing ethical hacking and cybersecurity skills through real-world challenges and virtual labs.

active-directory cryptography enumeration exploitation forensics network-security privilege-escalation reverse-engineering steganography web-security

Last synced: 18 Feb 2026

https://github.com/ironcorelabs/tenant-security-client-nodejs

NodeJS client library for the IronCore Labs Tenant Security Proxy

application-layer-encryption byok cmk cryptography encryption javascript nodejs typescript

Last synced: 02 Jul 2025

https://github.com/tom-weatherhead/helix

An RSA encryption and uuencoding/uudecoding application from 2002.

cpp cryptography encryption rsa-encryption uudecode uuencode

Last synced: 09 Oct 2025

https://github.com/juri/fernet

Fernet cryptography format implementation in Swift

cryptography fernet swift

Last synced: 12 Oct 2025

https://github.com/ishanoshada/spiral-cipher

A spiral cipher implementation for text encryption and decryption

cipher crypto cryptography encryption pypi python security spiral spiral-cipher

Last synced: 18 Feb 2026

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

A .NET implementation of PADMÉ padding.

crypto cryptography padding padme padme-padding

Last synced: 23 Jan 2026

https://github.com/thomasdesr/minisign-action

Github action to sign and verify minisign/signify signatures

crypto cryptography github-actions gpg minisign pgp signify

Last synced: 05 Jan 2026

https://github.com/just-do-halee/vep

Variable-length Expansion Pass function. ( i.e. short password to long hashed password )

algorithms cryptography expansion hash no-std password

Last synced: 10 Jun 2025

https://github.com/erhant/polenta

A toy language to play around with polynomials over finite fields.

cryptography lambdaworks pest polynomials repl rust

Last synced: 06 Feb 2026

https://github.com/mohammedmehdio/caesarjaw-py

CaesarJaw provides encryption and decryption functionalities using a simple shift cipher (Caesar cipher). It allows users to: ✅ Encrypt text 📝 ✅ Decrypt text 🔑 ✅ Determine the shift key 🔎 ✅ Attempt decryption without a known key 💡

caesar caesar-cipher caesar-cipher-algorithm caesar-shift communication crypto cryptography cybersecurity hacking-tool hacking-tools key keys python python3 security tool tools

Last synced: 13 Feb 2026

https://github.com/alvarogarciapiz/pycipherhub

Conjunto de cifradores desarrollados en Python

cifrador criptografia-basica cryptography cypher python

Last synced: 15 Mar 2025

https://github.com/rahmatagungj/toke

TOKE (Two Original Key Encryption) is a security method through encryption of data in the form of numbers and characters, this system uses a mathematical algorithm that can be used to secure certain messages. This service can convert ordinary messages in human language and files into more secure data.

algorithms cryptography decryption encryption

Last synced: 25 Feb 2026

https://github.com/kareemmoneeam/fota

This repository hosts the Firmware Over-The-Air (FOTA) system developed as part of a graduation project at Cairo University. The FOTA system enables secure, efficient, remote updates for embedded systems in smart vehicles, enhancing functionality, safety, and user experience, with strong automotive cybersecurity measures.

aes-encryption bootloader cryptography django embedded embedded-c embedded-systems esp32 firmware firmware-over-the-air graduation-project hc05-module mobileapp secureboot stm32

Last synced: 31 Jan 2026

https://github.com/saahen-sriyan-mishra/camouflage-shield

A full stack windows form application for sensitive image storing in encrypted format using symmetric key cryptography, and user data storing/securing using hash algorithms.

3des-encryption aes-encryption base64-encoding cryptography csharp cybersecurity des-encryption-decryption encryption hashing-passwords image-processing md5-hash rc2-encryption rijndael-algorithm sha1-hash sha256-hash sha384-hash sha512-hash windows-form-application

Last synced: 07 May 2025

https://github.com/azlibdar/caesar-cipher

Caesar Cipher using JavaScript

caesar-cipher cipher-algorithms cryptography

Last synced: 31 Mar 2025

https://github.com/charlot-dedjinou/best-flag

Best Flag is an exciting project that will put your cryptographic and steganographic skills to the test. The aim is to discover a secret message hidden in the “best_flag” file, using different encryption algorithms.

cryptography express expressjs flag mongodb react reactjs steganography tailwind tailwindcss

Last synced: 11 Apr 2026

https://github.com/seigtm/rsa

A simple C# code that allows you to encrypt and decrypt huge numbers using the RSA algorithm.

biginteger bigintegers cryptography csharp encryption rsa rsa-algorithm rsa-cryptography rsa-encryption rsa-key-encryption

Last synced: 20 Apr 2025

https://github.com/schultz-is/go-threefish

An implementation of the Threefish block cipher entirely in go with no external dependencies.

block-cipher block-ciphers crypto cryptography threefish

Last synced: 15 Apr 2026

https://github.com/marekyggdrasil/website

Marek Narozniak's personal website with computer science / numerics / quantum physics tutorials.

computer-science cryptography optimization optimization-algorithms quantum-computing quantum-mechanics

Last synced: 18 Mar 2026

https://github.com/tankerhq/sdk-ruby

Tanker client-side encryption SDK for Ruby

cryptography encryption end-to-end privacy ruby sdk security tanker

Last synced: 09 Apr 2025

https://github.com/dsprenkels/vscode-jasmin

basic syntax highlighting support for the jasmin domain-specific language

cryptography jasmin-lang

Last synced: 19 Mar 2026

https://github.com/thomasthaddeus/algorithmselector

Explore our extensive Algorithms Repository, featuring a diverse range of algorithms from computational methods to data structures, cryptographic techniques, and AI. Ideal for education, research, and practical application, each algorithm is well-documented, tested, and optimized for performance and readability.

ai algorithms computational-algorithms computer-science cryptography data-compression data-structures educational-resource game-theory graph-theory machine-learning network-flow open-source optimization python

Last synced: 01 Mar 2026

https://github.com/asc8384/neural-distinguishers

Neural Distinguishers on TinyJAMBU-128 and GIFT-64

crypto cryptography deep-learning gift tinyjambu

Last synced: 07 Apr 2025

https://github.com/unikraft/lib-libhogweed

Port of libhogweed to Unikraft

cryptography library unikraft

Last synced: 20 Jun 2026

https://github.com/nulltea/nulltea

0️⃣ ☕️ - research engineer

blockchain cryptography golang rust

Last synced: 14 Oct 2025

https://github.com/shahradelahi/timing-safe-compare

🔐 Isomorphic constant-time string and buffer comparison to prevent timing attacks.

browser constant-time cryptography isomorphic nodejs security timing-attack

Last synced: 03 Apr 2026

https://github.com/samuelschlesinger/blake3-lamport-signatures

An implementation of Lamport/Merkle signatures in Rust using the BLAKE3 hash function.

cli cryptography lamport-signature-scheme merkle-signature-scheme rust rust-lang signature

Last synced: 18 Mar 2025

https://github.com/jcbritobr/libnacl

Rust wrapper API for libnacl - https://nacl.cr.yp.to/

api cryptography nacl wrapper-api

Last synced: 14 Oct 2025

https://github.com/volhovm/ocd-tasks

Solutions for the "An Introduction to Mathematical Cryptography" textbook by Hoffstein, Pipher, Silverman

cryptography

Last synced: 16 Oct 2025

https://github.com/ntdls/talkster

Secure chat instant messaging server and client, offering multi-layered peer-to-peer encryption.

communication cryptography privacy security

Last synced: 21 Apr 2026

https://github.com/smaranjitghose/pyconfidentiality

Adding secrecy to your emails with RSA

cryptography email-sender python rsa smtp

Last synced: 03 Sep 2025

https://github.com/hobbyquaker/passwd-file

Node.js Password File CLI Tool and Lib :closed_lock_with_key:

cli cryptography file hash login nodejs password pbkdf2 salt security sha512

Last synced: 24 Apr 2026

https://github.com/robb-fr/cryptography-diffie-beepboop

2021 COM-401 course's at EPFL, coding homeworks. Sage kernel for Jupyter Notebook. Cryptography and Security.

capture-the-flag cryptography sagemath

Last synced: 06 Jun 2026

https://github.com/erhant/cryptopals-go

Cryptopals cryptography challenges in Go.

cryptography cryptopals ctf go

Last synced: 07 Jun 2026

https://github.com/rafa-kozand/random_encryption

Code that generates every time you initialize a random key that will be used to encrypt and decrypt a string. Work related to the discipline of 'Cryptography and Security of Computer Systems'.

cryptography python

Last synced: 27 Feb 2025

https://github.com/mohammedmehdio/caesarjaw

CaesearJaw 🔐 is a Caesar Cipher Bash Script that allows you to encrypt, decrypt, find a shift key, and brute-force decrypt a given text using the Caesar Cipher.

bash bash-script caesar caesar-cipher caesar-cipher-algorithm communication cryptography cyber-security cybersecurity hacking hacking-tool key security tool tools

Last synced: 29 Apr 2026