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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/cfcs/ocaml-poly1305

MirageOS-friendly bindings to Poly1305 C-stubs from WireGuard

cryptography mirageos ocaml poly1305

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/satyakwok/sentrix

Fast, deterministic Layer-1 blockchain for payments, tokens, and decentralized apps.

bitcoin blockchain cryptocurrency cryptography dpos-bft ethereum evm rust

Last synced: 18 Apr 2026

https://github.com/egorkhaklin/polaris-id

National identity-token reference implementation. Post-quantum signing, zero-knowledge defaults, compulsion-resistant by construction.

anti-coercion audit-log cryptography flask identity identity-management merkle-tree mfa plonky2 post-quantum-cryptography postgresql rust snark swarm-intelligence webauthn zero-knowledge-proofs

Last synced: 10 Jun 2026

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/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/erhant/cryptopals-go

Cryptopals cryptography challenges in Go.

cryptography cryptopals ctf go

Last synced: 07 Jun 2026

https://github.com/leventkaragol/libcpp-crypto

Easy-to-use, symmetric (AES-256) and asymmetric (RSA) encryption and also hash (SHA-256) library for C++ (17+)

aes-256 asymmetric-encryption cryptography decryption encryption encryption-library hash-library hashing rsa sha-256 symmetric-encryption

Last synced: 27 Apr 2026

https://github.com/stevehjohn/security

Various useful classes for information security

cryptography csharp dotnet shamir

Last synced: 28 Apr 2026

https://github.com/leo-aa88/bitcoin-cryptography-ecc

Study of bitcoin elliptic curve cryptography (ECC)

bitcoin cryptography ecc-cryptography elliptic-curve-cryptography

Last synced: 10 May 2026

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

https://github.com/banyc/chatter

An End-to-End Intranet IM with Message Encryption. __Download link:

cryptography dotnet end-to-end-encryption instant-messaging intranet windows

Last synced: 30 Apr 2026

https://github.com/demining/private-key-debug

Private key Debug: Incorrect generation of private keys, system vulnerabilities and errors in calculating the order of the elliptic curve secp256k1 threats to the Bitcoin ecosystem

bitcoin bitcoin-wallet crypto cryptocurrency cryptography ecc elliptic-curve-cryptography privatekey secp256k1 vulnerability

Last synced: 01 May 2026

https://github.com/meyiapir/cryptograph

This is a simple console application for encrypting files using AES, written in Python.

aes aes-encryption cryptography file-encryption python python3

Last synced: 09 Jun 2026

https://github.com/bytedev/bytedev.crypto

Provides simple cryptographic related classes for hashing/verifying data, encrypting/decrypting data and creating random data in .NET.

crypto cryptography csharp encrypting hashing random

Last synced: 01 Jul 2025

https://github.com/simplito/privmx-webendpoint

JavaScript library designed to work in browser environment, used by PrivMX communication channels.

communication cryptography end-to-end-encryption privacy web zero-knowledge

Last synced: 09 Apr 2026

https://github.com/go-compile/rome

The Elliptic and Edward Curve cryptography library built for multi-curve use. Unified crypto interface for ECDSA, EdDSA, ECIES and ECDH. NIST Curves, Brainpool, Ed25519, Ed448.

crypto cryptography ecdh ecdsa ecies ed25519 edwards-curve elliptic-curves encrypt multi-curve p521

Last synced: 15 Apr 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/makemake-kbo/satunna

satunna is a WIP reproducible pseudo-random code execution hashing algorithm

crypto cryptography hash hashing-algorithm salt salting virtual-machine

Last synced: 03 Jul 2025

https://github.com/andreispurim/aradi

Implementation of the NSA cryptography algorithm ARADI and LLAMA

algorithm aradi cryptography decryption encryption llama nsa

Last synced: 09 Feb 2026

https://github.com/nethermindeth/eth-pairings-bindings

C# bindings for the eth_pairings library

cryptography eip-1962 pairings

Last synced: 12 Jul 2025

https://github.com/krutonium/arbitarycompression

"Compresses" Arbitrary files using MD5 cryptography. In theory, one can fully recover all the data, if they throw enough CPU power at it.

actually-terrible compression cryptography md5

Last synced: 10 Apr 2025

https://github.com/mostafa-wael/number-theory-and-cryptography-rsa

The RSA assignment from Coursera course "Number Theory and Cryptography"

coursera cryptography rsa

Last synced: 16 Mar 2025

https://github.com/forentfraps/acpkm-kuznechik-rust

Acpkm kuznechik implementation in RUST

acpkm cryptography kuznechik rust

Last synced: 05 Oct 2025

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

Studies laboratories about cryptography and cryptanalysis

cryptography python sha3 studies

Last synced: 24 Aug 2025

https://github.com/kuro337/textract

Single Header High Performance C++ Image Processing Library to read content from Images and transform Images to text files.

cpp cpp20 cryptography folly opencv openmp-parallelization

Last synced: 18 Apr 2026

https://github.com/octocorvus/broccoli_salsa

Salsa20 stream cipher implementation in Rust.

ciphers cryptography rust

Last synced: 16 Mar 2025

https://github.com/dianpermana/cryptography

Cryptography: Encryption and Decryption as part of Security Test ( JavaScript + Groovy + .Jar File )

aes-encryption-decryption base64-encoding comp128 crc-algorithms crypto cryptography des-encryption-decryption hash hmac jmeter jwt rc4-algorithm smartcard

Last synced: 24 Mar 2025

https://github.com/jasonqsy/serpent

Serpent cipher in the AES contest.

aes-cipher cryptography

Last synced: 25 May 2026

https://github.com/fblupi/encryptator

A simple webapp to encrypt and decrypt messages

bootstrap cryptography webapp

Last synced: 30 Apr 2026

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/vitkarpenko/cryptopals

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

challenge cryptography cryptopals python

Last synced: 15 May 2025

https://github.com/chihsiao/eva4j

JNI Wrapper for EVA: JVM & Android Support with Kotlin DSL

cryptography homomorphic-encryption

Last synced: 24 Mar 2025

https://github.com/gat786/cryptography

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

ciphers cryptography python3

Last synced: 17 Mar 2025

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/virgilsecurity/virgil-pythia-x

Virgil Pythia SDK allows developers to communicate with Virgil Pythia Service and implement Pythia protocol in order to generate a BrainKey.

brainkey cryptography encryption pythia pythia-sdk sdk virgil-pythia

Last synced: 09 May 2025

https://github.com/interkosmos/lucifer

Lucifer block cipher in FORTRAN 77

cipher cryptography des encryption fortran fortran-77 lucifer

Last synced: 13 Feb 2026

https://github.com/magical/skein

The Skein hash function and Threefish block cipher

cryptography

Last synced: 24 Mar 2025

https://github.com/prongbang/aes_ctr

AES CTR - Counter Flutter plugin.

aes-ctr aes-ctr-mode cryptography decryption encryption flutter

Last synced: 04 Jan 2026

https://github.com/hirotoshioi/cryptopals-in-js

Working on http://cryptopals.com/ challenges

cryptography cryptopals javascript

Last synced: 16 Mar 2025

https://github.com/aburdulescu/pocryp

Command line utility for cryptographic primitives

cli cryptography go golang

Last synced: 08 Jun 2026

https://github.com/magical/deoxys

Go implementation of the Deoxys-II authenticated encryption scheme

cryptography

Last synced: 24 Mar 2025

https://github.com/guppster/ark-nim

A Nim library simplifying connection to the ARK blockchain

blockchain cryptography nim

Last synced: 25 May 2026

https://github.com/emrekybs/samurai

Samurai is a lightening fast CPU friendly Hash Cracker

cryptography hash hashcrack hashcracker hashcracking md5 md5-hash

Last synced: 04 Jul 2025

https://github.com/onlycodergod/crypto-beta

🛡learn and watch how crypto work in Go

const crypto cryptography golang-library hash key privatekey sha

Last synced: 12 Jan 2026

https://github.com/ppad-tech/sha256

Pure Haskell SHA-256, HMAC-SHA256

cryptography hashing haskell sha2 sha256

Last synced: 03 Jul 2025

https://github.com/deadblackclover/ed25519_to_curve25519

Convert ed25519 keys and sign to curve25519

crypto cryptography curve25519 ed25519 rust

Last synced: 13 Jan 2026

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

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

blockchain cryptocurrency cryptography rust

Last synced: 15 Mar 2025

https://github.com/antelle/pkcs15-smartcard-sign

Signatures from PKCS #15 smartcard in node.js

cryptography nodejs pkcs15 signature smartcard

Last synced: 28 Apr 2026

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/anishlearnstocode/lsb-image-steganography

Hiding Messages inside Pictures 🖼 using Least Significant Bit (LSB) Steganography 🔐.

cryptography lsb-steganography steganography

Last synced: 18 Mar 2025

https://github.com/richarddushime/authenticred

AuthentiCred – A Simple and Secure Way to Verify Academic Credentials and Recomendations

blockchain-technology cryptography django-framework ecdsa htmlx jwt-token mkdocs mkdocs-material python3 smart-contracts solidity w3c

Last synced: 28 Apr 2026

https://github.com/trashhalo/saltpack

node wrapper of saltpack library

cryptography keybase saltpack

Last synced: 11 Jan 2026

https://github.com/statevdev/encry-cli

No-storage deterministic password generator

cli cryptography encry encryption password password-generator password-manager ruby

Last synced: 02 Jul 2025

https://github.com/nyg/opaque-impl

PoC implementation in SageMath of OPAQUE, an asymmetric PAKE protocol.

cryptography elliptic-curve opaque proof-of-concept

Last synced: 13 Jun 2026

https://github.com/z1ph1us/milksad-mnemonic-generator

This tool generates BIP-39 mnemonic phrases derived from Unix timestamps, exploring the 'Milk Sad' vulnerability's implications (CVE-2023-39910)

bip39 bitcoin bitcoin-wallet blockchain bx cryptocurrency cryptography cve-2023-39910 entropy exploit milk-sad mnemonic-generator multi-language security-tool seed-phrase unix-timestamp vulnerability wallet-security

Last synced: 12 Mar 2026

https://github.com/amculin/php-vigenere-cipher

Simple implementation of Vigenere Cipher algorithm in PHP, also implement modification to support alpha-numeric characters

classical-cryptography cryptography php php82 php83 vigenere-cipher

Last synced: 07 Jun 2026

https://github.com/danieldidiobalsamo/sha256sum_from_scratch

SHA-256 from-scratch implementation in Rust

cryptography hashing rust sha256

Last synced: 21 Apr 2025

https://github.com/timjp87/elixir_bls

Wrapper around the Herumi BLS 12-381 Elliptic Curve construction and signature aggregation scheme.

cryptography ecdsa-cryptography ecdsa-signature elixir elixir-lang signatures

Last synced: 30 May 2026

https://github.com/ramesht007/syfertext_lang_models

initial model creation script for syfertext library.

cryptography machine-learning nlp

Last synced: 29 Aug 2025

https://github.com/taoq-ai/qkd-playground

Interactive web-based Quantum Key Distribution simulator and learning platform. Step through BB84, E91, and B92 protocols, visualize qubit states, and simulate eavesdropping attacks.

bb84 cryptography cybersecurity education interactive qkd quantum-computing quantum-key-distribution quantum-simulation react

Last synced: 13 Apr 2026

https://github.com/alichtman/decodecaesar

Intelligent Caesar-Cipher Cracking

caesar-cipher cryptography decryption frequency-analysis

Last synced: 07 Apr 2025

https://github.com/yash22222/cryptobank

Crypto Bank is a decentralized blockchain application that enables secure transactions between users. It allows users to create and manage transactions, mine blocks, and validate the blockchain. With a focus on transparency and security, Crypto Bank ensures the integrity of transaction records in a reliable digital currency platform.

backend blockchain blockchain-technology cryptocurrencies cryptography crytobank decentralized-applications flask frontend mining validity

Last synced: 14 May 2026

https://github.com/azuchi/frostrb

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

bitcoin cryptography elliptic-curve frost schnorr schnorr-signatures taproot threshold-signature

Last synced: 02 Mar 2026

https://github.com/menezes-/xxtea

Implementation of the (corrected) Block TEA encryption algorithm in modern C++ with PHP bindings

cpp cpp11 cryptography php php-extension xtea xtea-cipher xxtea xxtea-algorithm

Last synced: 29 Apr 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).

amrita-vishwa-vidyapeetham bit-flipping caesar-cipher cryptography decryption encryption login-page pub-sub publisher-subscriber

Last synced: 03 Mar 2026

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

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

awesome cli cryptography go

Last synced: 14 Jan 2026

https://github.com/shgysk8zer0/phpcrypt

Provides a variety of cryptographic traits and classes to PHP

aes aes256 cryptography jscrypt php php-7 phpcrypt rsa spl-autoload traits

Last synced: 01 Apr 2026

https://github.com/jenson073/factorization_algorithms

This project was designed as a simple exploration of RSA algorithm vulnerabilities, particularly focusing on the factorization problem. It's an excellent example of how web technologies can be applied to explore and demonstrate cryptographic concepts.

cryptography factorization information-security rsa

Last synced: 14 Mar 2025

https://github.com/spectre7651/crypta

Reasonably Good Encryption and Decryption Software (Python 3)

cryptography cybersecurity encryption python3

Last synced: 05 Jun 2026

https://github.com/elamani-drawing/huffmanrs

Huffmanrs est une bibliothèque Rust permettant d'encoder et de décoder du texte en utilisant le codage de Huffman.

compression crates-io cryptography encodage encoding huffman huffman-coding huffman-compression-algorithm rust rust-lang

Last synced: 07 Oct 2025

https://github.com/cmyers/json-record

A lightweight, zero-dependency library for creating deterministic, tamper-evident append-only logs.

cryptography hashchain integrity json ledger

Last synced: 03 Feb 2026

https://github.com/fa7ad/bad-ciphers

A collection of bad ciphers

cryptography hacktoberfest hacktoberfest2023

Last synced: 21 Jan 2026

https://github.com/jitendragangwar123/cryptography

This Repository have some basic Cryptographic Algorithms and other basic concepts which is used in Blockchain Technology.

cryptography javascript

Last synced: 07 May 2026

https://github.com/benwoo1110/cryptographyapp

Advanced converter for modern cryptography algorithms

cryptography csharp

Last synced: 31 Mar 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 174 Papers 173 Resources 159 Tutorials 158 Research papers and publications 141 Uncategorized 129 2018 101 Tools 95 Blockchain Explorers 89 MEV 89 Blockchain Playgrounds 81 Learning Resources 75 Research Groups 72 Misc 68 Blockchains 68