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.

GitHub: https://github.com/topics/cryptography
Wikipedia: https://en.wikipedia.org/wiki/Cryptography
Last updated: 2026-06-30 00:07:03 UTC
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https://github.com/twilight-project/quisquis-rust

Library for privacy-preserving cryptocurrency accounts and transactions.

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Last synced: 20 Feb 2026

https://github.com/volkansah/encode-and-decode-php8

This guide provides examples of how to encrypt and decrypt files using PHP's Sodium extension, which offers modern cryptographic functions.

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Last synced: 18 Aug 2025

https://github.com/niewidzialny84/cryptography-and-cryptoanalysis-lab

Studies laboratories about cryptography and cryptanalysis

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Last synced: 24 Aug 2025

https://github.com/flyingrobots/git-cms

A serverless, Git-native CMS built on pure plumbing. Stores content as signed commit messages on empty trees—no database required, just immutable Merkle DAGs.

auditability blog cms cryptography database git git-plumbing git-stunts gitops ledger provenance serverless signed-commits

Last synced: 20 Feb 2026

https://github.com/alexlaurence/psyauth

🔐A crypto protocol system that plants an authentication token inside a user's implicit memory to unconsciously learn sensitive information that is robust against torture/coercion

biometric-authentication cryptography memory-game psychology-experiments security

Last synced: 10 Oct 2025

https://github.com/trashhalo/saltpack

node wrapper of saltpack library

cryptography keybase saltpack

Last synced: 11 Jan 2026

https://github.com/jasonqsy/serpent

Serpent cipher in the AES contest.

aes-cipher cryptography

Last synced: 25 May 2026

https://github.com/louislefevre/rsa

RSA cryptosystem for demonstrating the encryption and decryption of messages

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Last synced: 30 Mar 2025

https://github.com/codeheadsystems/hofmann-elimination

OPF framework for shared keys built from sensitive data

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Last synced: 10 May 2026

https://github.com/demining/korean-version-of-bitcoin-blockchain-cryptanalysis

비트코인 암호화 분석 도구

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Last synced: 10 Mar 2026

https://github.com/h3nry-d1az/trsa

Minimal textbook RSA implementation

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Last synced: 13 Jan 2026

https://github.com/nthparty/rbcl

Python library that bundles libsodium and provides wrappers for its Ristretto group functions.

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Last synced: 16 Jan 2026

https://github.com/protomorphine/rsa-communication-system

Основные стадии процесса шифрования текстового сообщения с помощью алгоритма RSA

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Last synced: 01 Jun 2026

https://github.com/innovativeinventor/pylamport

A simple Python library for generating cryptographic Lamport signatures

cryptography identity signature

Last synced: 16 May 2026

https://github.com/pmuens/ecc-ts

Elliptic Curve Cryptography implementation of ECDH and ECDSA on curve secp256k1

cryptography cryptography-algorithms cryptography-library ecdh ecdsa elliptic-curve elliptic-curve-cryptography elliptic-curve-diffie-hellman elliptic-curve-digital-signature-algorithm secp256k1

Last synced: 15 May 2025

https://github.com/bdr-pro/blockchain_maker

this is your ultimate toolkit for building, validating, and managing a blockchain in Rust.

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Last synced: 15 Mar 2025

https://github.com/gat786/cryptography

Python scripts for the basic crytography techniques that are taught in our college

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Last synced: 17 Mar 2025

https://github.com/vitkarpenko/cryptopals

:anger: Solving the cryptopals crypto challenges in Python for fun and profit!

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Last synced: 15 May 2025

https://github.com/areroketahi/swiftlycrypto

Encrypt your data like using other Swift APIs

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Last synced: 28 Jun 2025

https://github.com/koraa/decryption-despite-errors

Achieving security against fuzzing and improving bandwidth efficiency by combining FEC and symmetric encryption.

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Last synced: 05 Jan 2026

https://github.com/h0llyw00dzz/csr-generator

The CSR Generator is a Go package that provides functionality for generating Certificate Signing Requests (CSRs) and private keys. It simplifies the process of creating CSRs with specified common names and Subject Alternative Names (SANs).

cryptography go idiomatic-go pki-tools pkix security-tools ssl-certificates

Last synced: 02 Sep 2025

https://github.com/waddaboo/rust-vss

A secure and versatile Verifiable Secret Sharing (VSS) library for Rust

cryptography rust verifiable-secret-sharing zero-knowledge-proofs

Last synced: 23 Mar 2025

https://github.com/qalle2/md5-algo

MD5 implementation in Python

command-line cryptography md5 python3

Last synced: 28 May 2026

https://github.com/simplito/privmx-endpoint-csharp

C# wrapper for PrivMX, a platform allowing developers to build end-to-end encrypted apps used for communication through text messages, real-time data streaming and secure file exchange and storage.

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Last synced: 29 Jun 2025

https://github.com/magical/go-ascon

Go implementation of Ascon-128, Ascon-Hash, Ascon-Xof, Ascon-128a and Ascon-Hasha

cryptography

Last synced: 24 Mar 2025

https://github.com/alexruzin/cryptog

A cryptographic wrapper library for the Go programming language

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Last synced: 21 Nov 2025

https://github.com/miraclx/xstrip-auth

Cryptographically strong pseudorandom key generator based on the `XStrip Algorithm`

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Last synced: 28 May 2026

https://github.com/createunique/steganography_hidden_harbor

Explore a versatile Python repository enabling seamless steganography across Text, Image, Audio, GIF, and Video formats.

audio-steganography covert-channel cryptography encode-decode encryption-decryption hide-messages huffman-compression-algorithm image-steganography privacy security steganography text-steganography video-steganography

Last synced: 10 Jun 2025

https://github.com/vlsergey/seccookie

Java library for security cookies, client-side pieces of data protected from reading and modifications by client with strong cryptography

cookie cookies cryptography cryptography-library java java-library security

Last synced: 03 Jul 2025

https://github.com/vechain/thor-devkit.java

Java (8+) library to assist a smoother development process on VeChainThor for all developers and hobbyists. Includes wallets creation, transaction assembling, signature, ABI encoding, and bloom filter.

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Last synced: 27 Nov 2025

https://github.com/blahberi/cryptox

Now with CryptoX, even your nan can encrypt like a pro

cryptography

Last synced: 18 Mar 2025

https://github.com/0x00-0x00/crypt

Crypt is a cryptography tool to protect all kinds of data using AES-256 and RSA-4096 algorithms.

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Last synced: 09 Jul 2025

https://github.com/breezy-codes/cryptography-guide

A collection of different cryptographic algorithms and ciphers, including the maths behind each algorithm. This is an ongoing project that will be added to over time, with the aim of providing a comprehensive resource for learning about cryptography. The project includes both the code for the algorithms and explanations of how they work.

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Last synced: 09 Aug 2025

https://github.com/abdulahshoaib/passcrypt

Open source password manager

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Last synced: 29 May 2026

https://github.com/ryleeharrison/iv-crypto

More of an example, not recommended for production use

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Last synced: 26 Mar 2025

https://github.com/sip-protocol/sip-protocol

Shielded Intents Protocol - The Privacy Standard for Web3

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Last synced: 16 Jun 2026

https://github.com/cicciog/cryptographyexample

Cryptography Primitives examples

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Last synced: 24 Sep 2025

https://github.com/abhrankan-chakrabarti/diffsquare

This project is authored by Abhrankan Chakrabarti and demonstrates an efficient implementation of Fermat’s Difference of Squares method for factoring large integers. The implementation is written in Rust and utilizes the malachite crate for arbitrary-precision arithmetic.

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Last synced: 09 Apr 2025

https://github.com/tychosoft/moderncli

C++17 header only library for common uses.

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Last synced: 06 Jul 2025

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

Go ed25519 extras (mirror)

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Last synced: 24 Jun 2026

https://github.com/kevincharm/sparse-merkle-tree

Optimised SMT implementation in Solidity & accompanying JS lib

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Last synced: 16 Mar 2026

https://github.com/henryhale/enigma

🔐 A basic simulation of the Enigma machine

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Last synced: 19 Jul 2025

https://github.com/smayya337/libcodebusters

Encoding and decoding various ciphers in Python

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Last synced: 12 Mar 2026

https://github.com/sohnryang/ecdsa-python

ECDSA implementation in Python (DO NOT USE IN PRODUCTION)

cryptography ecdsa python

Last synced: 14 Jun 2025

https://github.com/magical/keccak

The Keccak hash function (SHA-3)

cryptography

Last synced: 10 Jan 2026

https://github.com/slayernominee/one-time-pad-encryption

cryptography rust

Last synced: 12 Jul 2025

https://github.com/guppster/languageneutralitybiowearablequantumsearcher

Utilities advanced cryptography to analyze biodegradable quantum mechanics inside an active-reactive cross-platform blockchain environment

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Last synced: 01 Mar 2025

https://github.com/frederickjansen/subtle-sodium

An implementation of various SubtleCrypto functions using the same API as libsodium.js

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Last synced: 17 Mar 2025

https://github.com/sean9999/go-oracle

A package that provides basic high-level cryptographic functions using Curve25519

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Last synced: 14 Jan 2026

https://github.com/bok1c4/pgpkeytypedetector

This includes RSA and ECC cryptographic algorithms

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Last synced: 08 Oct 2025

https://github.com/edeckers/lib1password-unofficial

Educational TypeScript implementation of 1Password's security model with interactive explainer. Covers Secret Key generation, PBKDF2 key derivation, and AES-256-GCM vault encryption

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Last synced: 28 Feb 2026

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

My solutions in Go for http://cryptopals.com/

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Last synced: 09 Oct 2025

https://github.com/minhngt62/cryptography-vigenere

A simulation for vigenere cipher and its attacking methods

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Last synced: 10 Oct 2025

https://github.com/projects-developer/fake-news-detection-using-machine-learning-project

Live Fake news detection refers to the process of identifying and flagging false or misleading informion presented as news. Live Fake news detection using machine learning. Project Includes Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

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Last synced: 17 Feb 2026

https://github.com/blester125/kasiski_examination

Kasiski Examination written to break a Vigenere Cipher for CS 1653 includes a C Red-Black tree impelmenatation

cryptography kasiski-examination red-black-tree

Last synced: 21 Jan 2026

https://github.com/aead/sio

Go implementation of the Data At Rest Encryption (DARE) format.

cli cryptography encryption

Last synced: 14 Jan 2026

https://github.com/anubhav-narayan/pkns

Public Key Name System Framework for Key Exchange in Peer-To-Peer and centralised servers.

cryptography key-exchange peer-to-peer public-key-cryptography python-3 python3-framework web-service

Last synced: 19 Jan 2026

https://github.com/chainsafe/pairings-js

Elliptic Curve Pairings in Pure Javascript

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Last synced: 13 Oct 2025

https://github.com/amr-yasser226/datagovernanceworkflow

Comprehensive data governance pipeline for SSH honeypot logs—covering data profiling, cleansing, quality assurance, encryption, classification, and GDPR/CCPA/HIPAA compliance. Built with Pandas, Pandera, YData Profiling, and cryptography, with simulated Caesar cipher attacks to demonstrate practical data-security techniques.

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Last synced: 05 Feb 2026

https://github.com/outspace/vigdec

vigdec aka heartbreaker – tool that breaks Vigenère cipher without knowing the key.

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Last synced: 25 Oct 2025

https://github.com/karasz/securelog

Forward-secure Go library for tamper-evident audit logs, implementing Ma–Tsudik’s dual-MAC private-verifiable scheme.

audit-logging compliance cryptography forward-security golang log-integrity secure-logging tamper-detection

Last synced: 26 Oct 2025

https://github.com/lgraubner/strong-pwgen-cli

🔒Generate cryptographically strong passwords.

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Last synced: 27 Oct 2025

https://github.com/harsh-ps-2003/haikyu

A Bitcoin miner simulation

bitcoin cryptography sqlite

Last synced: 25 Feb 2026

https://github.com/arkorty/rustcm-cli

UTF-8 Text Cipher using XChaCha20-Poly1305

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Last synced: 24 Jan 2026

https://github.com/prthd/secure-file-system

A secure multi-user file system with end-to-end encryption, HMAC-based integrity verification, and Unix-style permission control. Features bcrypt-authenticated logins, group-based collaboration, and a command-line interface for secure file operations on untrusted storage.

access-control bcrypt cli cryptography encryption fernet-encryption filesystem hmac-sha256 integrity python secure-storage security unix-permissions

Last synced: 25 Feb 2026

https://github.com/oritwoen/vusi

ECDSA signature vulnerability analysis library and CLI

bitcoin cryptography ecdsa nonce-reuse private-key-recovery rust security vulnerability-detection

Last synced: 01 Feb 2026

https://github.com/bogwi/r-math

A Rust crate for rare, high-performance mathematical algorithms not commonly found in mainstream libraries.

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Last synced: 17 Mar 2026

https://github.com/systemslibrarian/crypto-compare

Interactive cryptographic algorithm reference — 17 categories, 97 algorithms, 16+ countries. Comparison tool with beginner/advanced modes, PQ-safe filtering, and justification report export.

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Last synced: 01 Jun 2026

https://github.com/demining/japanese-version-of-bitcoin-blockchain-cryptanalysis

ビットコイン暗号解析ツール

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Last synced: 09 Feb 2026

https://github.com/kolosovpetro/rsaencryptionexplained

Simple explanation on the symmetric encryption problematics and main idea behind the Rivest-Shamir-Adleman (RSA) encryption.

assymetric-encryption assymetric-key-cryptography cryptography rsa-cryptography rsa-encryption rsa-key-encryption

Last synced: 09 Feb 2026

https://github.com/andreispurim/aradi

Implementation of the NSA cryptography algorithm ARADI and LLAMA

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Last synced: 09 Feb 2026

https://github.com/dracoon/dracoon-swift-crypto-sdk

Official DRACOON Crypto SDK for Swift

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Last synced: 09 Feb 2026

https://github.com/talyx/amib

Реализация криптографических алгоритмов/протоколов/схем

cryptography

Last synced: 19 Apr 2026

https://github.com/tuokri/unrealscript-fcrypto

Pure UnrealScript SSL/TLS implementation and cryptography utilities based on BearSSL. Work in progress.

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Last synced: 19 Mar 2026

https://github.com/machu-gwu/windtalker-project

Encrypt and decrypt text, binaries, files, and directories with a variety of cipher options.

cryptography encryption python tool

Last synced: 13 Feb 2026

https://github.com/interkosmos/lucifer

Lucifer block cipher in FORTRAN 77

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Last synced: 13 Feb 2026

https://github.com/embetrix/pycrypto-helper

python crypto operations helper

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Last synced: 01 Mar 2026

https://github.com/azuchi/frostrb

Ruby implementations of Two-Round Threshold Schnorr Signatures with FROST.

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Last synced: 02 Mar 2026

https://github.com/nalinrajendran/cryptography-automata-theory

This is a simple scenario based application for string matching and cryptography in the case of a publisher, subscriber model. This demonstrates the communication between a publisher and a subscriber model using two different modes of encryption and decryption(Caesar Cipher, Bit-Flipping).

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Last synced: 03 Mar 2026

https://github.com/shgysk8zer0/phpcrypt

Provides a variety of cryptographic traits and classes to PHP

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Last synced: 01 Apr 2026

https://github.com/benwoo1110/cryptographyapp

Advanced converter for modern cryptography algorithms

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Last synced: 31 Mar 2026

https://github.com/womb0comb0/hack-knight-25

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Last synced: 16 Apr 2026

https://github.com/grittygrease/safe-encryption-skill

SAFE encryption skill for AI coding assistants

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Last synced: 04 Mar 2026

https://github.com/nandanr06/full-stack-cryptocurrency

Cryptocurrency Tracker is a real-time app for monitoring cryptocurrency prices, market trends, and historical data. Powered by the CoinGecko API, Node.js, Express, and React, it allows users to view live market updates, explore trending coins, and analyze price histories with interactive charts—all in a responsive, user-friendly interface.

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Last synced: 17 Apr 2026