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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/mdsn/cryptopals

The cryptopals crypto challenges

cryptography

Last synced: 22 Jun 2025

https://github.com/sohamkayal4103/oblivious_data_structures

Implementation of Oblivious Data Structures in C++

cryptography oblivious oblivious-data-structure ods path-oram

Last synced: 22 Jun 2025

https://github.com/pymarcus/go_pemkeycertificate

Create a SSL certificate to test and local web development.

cryptography golang ssl-certificates

Last synced: 15 Sep 2025

https://github.com/znx-x/hadron

This ongoing MVP for a distributed ledger system aims to solve issues that first and second-generation blockchains have not been able to overcome by implementing novel concepts in mining, smart contracts, and cryptography.

blockchain cryptography encryption network post-quantum smart-contracts web3

Last synced: 11 Jul 2025

https://github.com/floodnut/hexa-encryption

256비트 대칭키 암호 알고리즘 Hexa-Encryption

cryptography

Last synced: 21 Jun 2025

https://github.com/25a0/sts-sphincs

SPHINCS, the hash-based signature scheme, with fast batch signatures

cryptography digital-signature hash-based-signatures post-quantum-cryptography

Last synced: 22 Mar 2025

https://github.com/25a0/authentication-sets

Code and statistics related to authentication sets.

cryptography merkle-hash-trees

Last synced: 22 Mar 2025

https://github.com/arec1b0/nim-blockchain-node

A high-performance, scalable blockchain node implementation in Nim, designed with advanced cryptography, modular consensus (PoS/BFT), zero-knowledge proofs, and optimized P2P networking.

blockchain byzantine-fault-tolerance cryptography decentralization high-performance nim nim-lang nimble nimlang p2p

Last synced: 21 Jun 2025

https://github.com/ecsolticia/caeser-cipher-matlab

Caeser Cipher encryption and decryption scripts with a right shift of 2. Written in MATLAB. (WIP)

caeser-cipher cryptography cryptography-algorithms matlab matlab-script modular-arithmetic

Last synced: 18 Mar 2025

https://github.com/rishvant/cipher-safe-tests

Secure exam platform using encryption and Shamir’s Secret Sharing to ensure integrity and fairness.

cryptography exam-system mongodb nodejs reactjs redis shamir-secret-sharing tailwindcss

Last synced: 21 Jun 2025

https://github.com/rayniel95/subkey

This is a simple dockerfile for create a docker image with Substrate subkey tool.

blockchain cryptography docker subkey substrate

Last synced: 18 Aug 2025

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

https://github.com/shishirjindal/cryptopals

Matasano's Crypto Challenges in Python

cryptography matasano-cryptopals-challenges python

Last synced: 24 Feb 2025

https://github.com/bouchraakl/java_implementation_of_rsa_encryption_and_decryption_algorithm

This repository contains a Java implementation of the RSA encryption and decryption algorithm using the Java cryptography libraries.

cryptography java rsa-algorithm rsa-cryptography rsa-encryption

Last synced: 14 Mar 2025

https://github.com/romanpecheritsa/onetimesecretapi

This project implements a service for securely storing and sharing one-time secrets (FastAPI, MongoDB)

authx cryptography docker-compose fastapi mongodb motor pytest python

Last synced: 28 Apr 2026

https://github.com/michaeltennyson/advanced-security

The following repository contains programs completed for the advanced security Module

cipher cipher-algorithms cryptography java security

Last synced: 05 Mar 2025

https://github.com/isgj/tinkey

A Go port of Tinkey, the command-line tool for Google's Tink cryptography library.

cli cryptography go google key-management security tink

Last synced: 30 Apr 2025

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/s-celles/classicciphers.jl

ClassicCiphers.jl is a Julia package that implements various classical cryptographic ciphers.

cryptography julia-language

Last synced: 03 Feb 2026

https://github.com/cailllev/parsa

Encrypt and Decrypt Files via RSA

cryptography java rsa

Last synced: 17 Mar 2025

https://github.com/dangnh0611/cryptography1_coursera

Coursera: Cryptography I assigments

cryptography python

Last synced: 11 Jun 2026

https://github.com/n3m0n8/cybersec-tools

Assortment of tools/programmes related to networking and cybersec with copious notes as I work through the example programmes

cryptography cyber cybersecurity encryption packet-sniffer remote

Last synced: 03 Apr 2025

https://github.com/iosmanthus/homqv-go

One-Pass HMQV and Asymmetric Key-Wrapping https://eprint.iacr.org/2010/638.pdf

cryptography

Last synced: 05 Mar 2025

https://github.com/stefandeml/snark-verifier

web-frontent for zkSNARKS on Ethereum based on ZoKrates

cryptography ethereum zksnarks

Last synced: 14 May 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/ergus/cryptography-rust-cpp

A simple crate with some cryptographic functions implemented in C++ AND Rust like mirror code.

cpp cryptography inter-language learning rust testing

Last synced: 15 Sep 2025

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/mghorbani2357/necrypt

Necrypt uses AES and RSA to present strong encryption method. It generates new cipher for each encryption with the same RSA and AES key.

aes cryptography encryption-decryption file-encryption python python3 rsa

Last synced: 26 Jul 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/rodrigo-kelven/script_hashed

Projeto de criptografia de dados de forma irreversível

criptography cryptography python3

Last synced: 07 May 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/shurlinet/go-hqc

Pure Go implementation of HQC (Hamming Quasi-Cyclic) post-quantum KEM. NIST backup to ML-KEM. Zero dependencies.

code-based cryptography fips-207 golang hqc kem key-encapsulation lattice-alternative nist post-quantum pqc pqclean pure-go quantum-resistant zero-dependencies

Last synced: 29 Jun 2026

https://github.com/oxarbitrage/salsa20

Attempt to formalize salsa20 in lean

cryptography lean mathlib salsa20

Last synced: 11 Jul 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/zerdicorp/paed62_hashing_algorithm

A simple self-written version of the data hashing algorithm.

algorithm cryptography hash hashing-algorithm java paed62

Last synced: 02 Apr 2025

https://github.com/tankerhq/sdk-react-native

Tanker client-side encryption SDK for React-Native

cryptography encryption end-to-end privacy react-native sdk security tanker

Last synced: 18 Feb 2026

https://github.com/oxlumi/an-introduction-to-mathematical-cryptography

Study notes, exercise solutions and rust implementations from An Introduction to Mathematical Cryptography.

cryptography math rust

Last synced: 16 Sep 2025

https://github.com/franky47/cryptograph

GraphQL API for cryptographic functions

cryptography graphql serverless

Last synced: 06 May 2026

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/zerdicorp/paed62_online

Demonstration of the hashing algorithm online.

cryptography demo hashing-algorithm online paed62

Last synced: 02 Apr 2025

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/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/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-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/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/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/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/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/coreason-ai/coreason-urn-authority

The Epistemic Ledger & Capability Registry of the CoReason ecosystem

agents coreason cryptography fair-data ledger mcp registry zero-trust

Last synced: 22 May 2026

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

This Rust application reads a text from an input file, applies the Caesar cipher encoding algorithm, and writes the encoded text to an output file. The shift value for the cipher can be customized via command-line arguments.

algorithms caesar-cipher cryptography rust

Last synced: 24 Oct 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/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/ecies/js-ciphers

Node/Pure JavaScript symmetric ciphers adapter

aes cryptography

Last synced: 12 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/devansh-maurya/rsa-algorithm

An implementation of RSA encryption algorithm in Python using GMPY2 module

cryptography encryption gmpy gmpy2 python3 rsa rsa-algorithm rsa-encryption

Last synced: 23 Jul 2025

https://github.com/watchrapon/tgcrypto

tgcrypto is a PHP extension that enhances cryptographic functions by utilizing Rust for improved performance. 🚀 This project allows you to efficiently manage tasks like encryption and prime factorization while ensuring compatibility with PHP 8. 🐙

aiofiles aiohttp cipher cryptgraphy crypto cryptography factorization ffmpeg ffprobe filehosting filestreambot golang-server google-python-api hacktoberfest hacktoberfest2023 heroku megadlbot seedr

Last synced: 18 Jun 2025

https://github.com/anindya-prithvi/text-encryption

To encrypt texts and also decrypt them using a generated/user supplied key

cryptography encryption

Last synced: 10 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/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/jeffotoni/gocry

Encrypt files

crypto cryptography go golang

Last synced: 04 Apr 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/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/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/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/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/phma/wringtwistree.jl

Whole-message cipher and tree hash, Julia implementation

cipher-algorithm cryptography hashing-algorithm

Last synced: 18 Feb 2026

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

A simple DES implementation in Python

cryptography numpy python

Last synced: 15 Jun 2026

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/cartpauj/pure-js-sftp

Pure JS SFTP is a complete, drop-in replacement for existing SFTP libraries that works everywhere Node.js runs - no native dependencies, no compilation issues, no platform-specific headaches.

cryptography keys npm npm-package openssh purejs sftp signing signing-keys ssh ssh2-streams

Last synced: 28 Jun 2025

https://github.com/hk-transfield/python-aes-encryption

A simple example of AES encryption that encrypts an image who size is the larger than the AES block size.

aes aes-encryption cryptography encryption

Last synced: 23 Jul 2025

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

Haskell AEAD-ChaCha20-Poly1305

aead chacha20 cryptography haskell poly1305

Last synced: 25 Aug 2025

https://github.com/kingcitaldo125/rot13

ROT13 substitution cypher

cryptography cypher encryption python

Last synced: 25 Apr 2026

https://github.com/sukumar1210/ntrupy

NTRU (N'th Degree Truncated Polynomial Ring Unit) is a Post Quantum Cryptographic System. Post-Quantum refers to the Cryptographic Encryption and Decryption that could be used after the widespread access to the Quantum computers become common.

cryptography quantum security

Last synced: 02 Apr 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/thoughtpolice/edwards.cry

edwards curves in cryptol

cryptography

Last synced: 20 Mar 2025

https://github.com/manuelpuebla/hermite_iopp

High-performance Rust implementation of Interactive Oracle Proofs of Proximity (IOPP) for Hermitian curves over binary fields. Features bitsliced F₂⁴ arithmetic with 16× speedup.

algebraic-geometry bitslicing cryptography fri hermitian-curves iopp rust zero-knowledge-proofs

Last synced: 23 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/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/systemslibrarian/crypto-lab-mac-race

Browser-based MAC demo — HMAC, CMAC, Poly1305, and GHASH compared with live length extension attack, timing attack, and nonce reuse demonstrations. Real WebCrypto operations. No backends. No simulated math.

aes-gcm amc browser cmac crypto-lab cryptography ghash hmac length-extension-attack message-authentication nist poly1305 timing-attack typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-dilithium-reject

Browser-based demo of ML-DSA (FIPS 204) rejection sampling. Live iteration feed, rejection-reason breakdown, acceptance histograms, and the timing side-channel tradeoff — why variable signing time is a feature, not a bug.

constant-time crypto-lab cryptography crystals-dilithium digital-signatures dilithium fiat-shamir-with-aborts fips-204 implementation-security lattice-cryptography lattice-signatures lyubashevsky ml-dsa ml-dsa-65 post-quantum-cryptography rejection-sampling timing-side-channel

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-paillier-gate

Browser-based Paillier cryptosystem demo — Pascal Paillier's 1999 additive homomorphic encryption. Encrypt, decrypt, homomorphic addition without decrypting. Private 10-voter election simulation and 5-hospital patient aggregation. The primitive underlying GG20 threshold ECDSA, Helios voting, and ElectionGuard. No backends. No simulated math.

additive-homomorphism crypto-lab cryptography e-voting helios-voting homomorphic-encryption paillier private-aggregation public-key-cryptography secure-computation threshold-ecdsa

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-stego-suite

Browser-based steganography suite — LSB substitution, DCT-domain hiding, and adaptive embedding with live chi-squared steganalysis. Hide the message, not just the content.

browser-crypto chi-squared-test covert-channel crypto-lab cryptography dct digital-watermarking image-processing lsb-steganography privacy security steganalysis steganography typescript vite

Last synced: 01 Jun 2026

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 176 Papers 173 Tutorials 158 Resources 155 Research papers and publications 141 Uncategorized 129 2018 106 MEV 96 Tools 95 Blockchain Explorers 89 Blockchain Playgrounds 81 Learning Resources 75 Misc 75 Research Groups 72 Blockchains 68