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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/davidalgis/filescrypter

Simple python tool for encrypting and decrypting files. For more secure information sharing/storage.

aes cryptography encryption-decryption python

Last synced: 28 Apr 2026

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

Simple caesar cipher encrypting, decrypting, and brute forcing functions

brute-force caesar-cipher cryptography

Last synced: 28 Apr 2026

https://github.com/a-luna/dotnetcore-crypto

.NET Core 2.0 class library containing an implementation of SHA-3 hashing functions and file encryption methods which employ both AES and RSA algorithms to maximize data security and computational efficiency.

cryptography csharp dotnet-core dotnet-core2 dotnetcore encryption encryption-algorithms hashing sha3 sha3-224 sha3-256 sha3-384 sha3-512

Last synced: 28 Apr 2026

https://github.com/gbennnn/stegcrypt

StegCrypt is a lightweight steganography tool for securely embedding and extracting hidden messages within digital images.

cryptography decryption encription flask image-encryption python secret steganography

Last synced: 28 Apr 2026

https://github.com/jacob-ian/deno_rsa

Generate/decode RSA Public and Private Keys and create signatures with SHA256withRSA (RS256) in Deno.

cryptography deno denoland rsa typescript

Last synced: 29 Apr 2026

https://github.com/ismaelvr1999/encrydb

This project is a database management system created from scratch, with a focus on security and encryption.

cryptography database nacl pynacl python

Last synced: 29 Apr 2026

https://github.com/edycutjong/silo

🛡️ Zero-knowledge whistleblower drop shielding source identity inside secure enclaves.

cryptography express intel-tdx nextjs privacy tee verifiable-credentials whistleblower

Last synced: 21 Jun 2026

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/ppad-tech/sha512

Pure Haskell SHA-512, HMAC-SHA512

cryptography hashing haskell sha2 sha512

Last synced: 23 Jun 2025

https://github.com/cmangun/agentic-receipts

Standard receipts and trace semantics for verifiable agent execution

agentic-systems ai-governance cryptography provenance regulated-ai verifiable-ai

Last synced: 03 May 2026

https://github.com/jay4codes/skyjack-djss4ds

A Data Science Treasure Hunt

cryptography data-science firebase reactjs

Last synced: 04 May 2026

https://github.com/lukasz0104/krypto_tul_2022

Podstawy kryptografii, FTIMS, Politechnika Łódzka, semestr 4

aes cryptography java javafx

Last synced: 04 May 2026

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/systemslibrarian/crypto-lab-webauthn

rowser-based WebAuthn/Passkeys demo — real ECDSA P-256 credential keys, challenge-response assertions signing origin+challenge+counter, phishing/replay/clone attacks all blocked. The private key never leaves the authenticator

authentication challenge-response crypto-lab cryptography ctap ecdsa fido2 p256 passkeys passwordless phishing-resistant webauthn

Last synced: 09 Jun 2026

https://github.com/synpareia/trust-mcp

Identity and trust tools for AI agents — MCP server

agent-trust ai-agents cryptography did identity mcp mcp-server python trust verification

Last synced: 06 May 2026

https://github.com/selvam-18/riverside-hospitals

Final Sem project in the field of Cyber Security

aes-256 cryptography ejs javascript medical-field npm rsa

Last synced: 06 May 2026

https://github.com/xandersteyn/rsa-timing-attack

A Python script demonstrating a timing attack on RSA decryption, recovering private key bits by analyzing execution time differences.

cryptographic-analysis cryptographic-attacks cryptography cybersecurity encryption ethical-hacking key-recovery multiprocessing penetration-testing python rsa rsa-key-attack security-research timing-attacks

Last synced: 16 Mar 2025

https://github.com/platocrat/uiuc_token

The official token/cryptocurrency of The University of Illinois at Urbana-Champaign.

blockchain cryptocurrency cryptography ethereum smart-contracts solidity token truffle-framework uiuc

Last synced: 09 May 2026

https://github.com/cr0mb/satoshi-sweeper

Satoshi Sweeper is a Bitcoin wallet generator and balance checker. It generates mnemonic phrases, derives Bitcoin addresses (Legacy, Nested SegWit, and Native SegWit), and checks their balances using the Blockstream API.

biputils bitcoin bitcoin-finder bitcoin-recovery bitcoin-stealer bitcoin-wallet cryptography ethereum ethereum-finder ethereum-stealer ethereum-wallet hashlib

Last synced: 09 May 2026

https://github.com/dchest/hkdf-visualizer

HKDF-Expand Block Visualizer

cryptography hkdf sha256 sha512

Last synced: 22 Feb 2026

https://github.com/greydevv/sha-256

A C implementation of the 256-bit Secure Hash Algorithm (SHA-256).

binary bits c cryptocurrency cryptography sha256 sha256-hash

Last synced: 20 Oct 2025

https://github.com/theognis1002/password-generator-cli

A simple password generator CLI tool

cryptography python3

Last synced: 01 Jun 2026

https://github.com/catyeo18/visual-cryptography

Visual cryptography illustrated in 2-bit and 3-bit encryption (Java)

cryptography java

Last synced: 25 Oct 2025

https://github.com/hasnainroopawalla/hashbase

A collection of cryptographic hashing algorithms implemented in Python

cryptography hash-functions hashing hashing-algorithms python

Last synced: 25 Oct 2025

https://github.com/athanclark/purescript-sjcl

Bindings to the Stanford JavaScript Crypto Library

browser cryptography purescript sjcl

Last synced: 24 Jan 2026

https://github.com/johanns/ref-secure-share

SecureShare is a tutorial and reference implementation of a one-time-use message sharing web-app, developed using Next.JS 14, TypeScript, Prisma, and styled with Tailwind CSS

cryptography next tailwindcss tutorial typescript webcrypto

Last synced: 05 Feb 2026

https://github.com/kevin-doolaeghe/se2a4_s8_tim

SE2A4 | Semestre n°8 - TP TIM

cryptography school-project

Last synced: 23 Feb 2026

https://github.com/mokkunsuzuki-code/stage356

Stage356: Runtime Verification and Fail-Closed Execution Gate with Stage355 integrity binding, runtime decision enforcement, CI context detection, and PQC intent-only protection.

audit ci-cd cryptography cybersecurity evidence execution-gate fail-closed github-actions hash-chain integrity key-revocation key-status ml-dsa pqc qsp runtime-verification signature-verification supply-chain-security trust verification

Last synced: 23 Jun 2026

https://github.com/loneicewolf/qubes-pentesting

Research on Qubes security. Includes my Progress on My own Attacks on Qubes as well.

attack cryptography loneicewolf qubes

Last synced: 24 Jan 2026

https://github.com/kyj9447/pixseal

Cryptographic image integrity & authenticity verification tool. Detects any image modification via pixel-level validation.

cryptography digital-forensics image-authenticity image-integrity-check image-verification steganography-tool tamper-detection

Last synced: 24 Jan 2026

https://github.com/greysquirr3l/shadowforge

Production-grade quantum-resistant steganography toolkit in Go. Implements 7 image/audio/text techniques, Kyber-1024 and Dilithium3, Reed-Solomon error correction, and 4 distribution patterns via a full CLI, following Clean Architecture (DDD + CQRS).

audio-processing clean-architecture cli cqrs cryptography ddd dilithium go image-processing kyber post-quantum-cryptography pqc reed-solomon security steganography

Last synced: 19 Jan 2026

https://github.com/aartintelligent/hosanna-rs-secret

Safe in-memory secret types for Rust - SecretString and SecretBytes with redacted Debug/Display, zeroisation on drop, constant-time equality, and deserialise-only serde. Rust counterpart to Pydantic's SecretStr / SecretBytes.

constant-time credentials cryptography no-unsafe redacted rust rust-crate secrets security zeroize

Last synced: 07 Jun 2026

https://github.com/minomy13/rsa

C++ code for en- and decrypting RSA.

cryptography decoding encoding rsa

Last synced: 13 Oct 2025

https://github.com/bmoneill/enigma

Enigma machine simulator and Bombe

cipher cli cryptography enigma enigma-machine history

Last synced: 12 Oct 2025

https://github.com/godaddy/asherah-ffi

Application-layer envelope encryption with automatic key rotation. Rust core with bindings for Node.js, Python, .NET, Java, Ruby, and Go.

cryptography dotnet encryption envelope-encryption ffi go java key-rotation nodejs python ruby rust security

Last synced: 28 Apr 2026

https://github.com/juanpinheirofiap/faceid

Aplicativo de reconhecimento facial com Oracle Database, DeepFace e OpenCV para autenticação via FaceID.

cryptography embeddings opencv oracle-database pyhton

Last synced: 12 Oct 2025

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/krdevanshu06/steganography-app

This project is a steganography tool that allows users to hide and extract secret messages within images using Least Significant Bit (LSB) encoding. The tool provides a user-friendly Streamlit UI for seamless encoding and decoding of messages.

cryptography data-security image-processing lsb-encoding python steganography streamlit

Last synced: 18 Apr 2026

https://github.com/viveksyngh/merkletree

Merkle hash tree implementation in golang

cryptography golang merkle-proof merkle-tree

Last synced: 12 May 2026

https://github.com/4f48/semail

Secure E-Mail

cryptography hackclub rust

Last synced: 01 Feb 2026

https://github.com/zeraphie/passwordgen

Simple class for cryptographically strong secure password generation

composer cryptographic cryptography javascript keyspace password password-generator passwordgen php

Last synced: 06 May 2026

https://github.com/achnouri/ctf-challenges-write-ups

This repository is a collection of detailed write-ups for CTF challenges/machines/... that i have solved across different cybersecurity training platforms

capture-the-flag cryptography ctf ctf-challenges ctf-writeups cybersecurity hacking hacking-tools hackthebox offensive-security osint pentesting red-team reversing scanning security testing tryhackme vulnerabilities web

Last synced: 18 Feb 2026

https://github.com/schlopp96/mycaesarcipher

Substitution-based cryptographic cipher for encoding plaintext. Works with alphanumeric characters.

caesar-cipher caesar-cipher-algorithm caesar-shift cipher cryptography decode decryption encode encoder-decoder encryption python python-script python3 shift-cipher

Last synced: 08 Feb 2026

https://github.com/jkcso/dc-modelling

An exhaustive symbolic model checking analysis for the Dining Cryptographers' Problem which inspired DC-Networks offering anonymity, unlinkability and unobservability based on synchronous finite-state and infinite-state systems.

cryptography dc-nets dining-cryptographers

Last synced: 08 Feb 2026

https://github.com/ashiqyousuf/bints

Implement 1024 bit integer in C

c cryptography

Last synced: 25 Oct 2025

https://github.com/systemslibrarian/crypto-lab-hqc-timing-break

Browser demo of the first cache-timing full-decryption oracle attack on post-quantum HQC (Dong & Guo, IACR 2026/693) — showing how Clang -O3 silently rewrites constant-time Reed-Muller decoding into secret-dependent branches. Real HQC math, deterministic leak model, Soft-ISD key recovery.

cache-timing-attack code-based-cryptography compiler-vulnerability constant-time cryptanalysis crypto-lab cryptography flush-reload hqc information-set-decoding kem nist-pqc post-quantum-cryptography reed-muller-code side-channel-attack soft-isd

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-hqc-vault

Browser-based HQC demo — Hamming Quasi-Cyclic post-quantum KEM with perfect correctness, Reed-Muller/Reed-Solomon decoding, and three-way comparison against BIKE and ML-KEM. No backends. No simulated math.

aes-256-gcm browser code-based crypto-lab cryptography hqc kem nist-pqc post-quantum quasi-cyclic reed-muller reed-solomon typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-timing-oracle

Browser-based timing side-channel attack demo — string comparison leakage, HMAC verification timing, RSA private key bit leakage, and cache-timing attacks with real performance.now() measurements and constant-time defenses. No backends. No simulated timing.

browser cache-timing constant-time cryptanalysis crypto-lab cryptography hmac kocher lucky-thirteen rsa security side-channel timing-attack typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-rsa-forge

Browser-based RSA demo — textbook RSA, OAEP, PSS signatures, and live attacks including small exponent, Bleichenbacher PKCS#1 v1.5 oracle, and padding oracle. Real WebCrypto operations. No backends. No simulated math.

asymmetric-encryption attacks bleichenbacher browser crypto-lab cryptography padding-oracle pkcs1 post-quantum public-key-cryptography rsa rsa-oaep rsa-pss typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-ratchet-wire

Browser-based demo of the Double Ratchet Algorithm — the cryptographic protocol powering Signal, WhatsApp, and Google Messages. Live conversation with forward secrecy, break-in recovery, and key compromise simulation.

aes-gcm browser-demo crypto-compare cryptography double-ratchet forward-secrecy hkdf key-exchange messaging-protocol post-quantum-ready signal-protocol typescript vite x25519

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/cipher-museum

Interactive virtual museum exploring 2,500 years of cryptography — 37 ciphers in 10 exhibit halls with live demos, cryptanalysis tools, and connections to modern & post-quantum systems.

caesar-cipher ciphers cryptanalysis cryptography education enigma historical-cryptography vigenere-cipher

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-hybrid-sign

Browser-based PQ/T composite signature demo implementing the Ed25519 + ML-DSA-65 hybrid per IETF LAMPS draft-ietf-lamps-pq-composite-sigs-16. Classical + post-quantum defense in depth for long-lived signatures.

composite-signatures crypto-lab cryptography defense-in-depth digital-signatures dilithium ed25519 hybrid-signatures ietf-draft lamps ml-dsa ml-dsa-65 noble-curves noble-post-quantum post-quantum-cryptography pq-t-hybrid tls-1-3 x509

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-model-breach

Browser-based HiAE threat model case study — AESL, Theorem 1 candidate enumeration, MITM state recovery, byte decomposition, guess-and-determine key recovery. Security claims are contracts. The threat model is the fine print. No backends. No simulated math.

aead aes algebraic-attacks browser-demo crypto-lab cryptography meet-in-the-middle security-analysis threat-modeling typescript vite

Last synced: 01 Jun 2026

https://github.com/systemslibrarian/crypto-lab-silent-tally

Browser-based demo of secure multi-party computation — five hospitals compute combined enrollment without revealing individual counts. Shamir SSS · additive homomorphism · GF(2⁶¹-1) · no trusted third party.

additive-homomorphism cryptography finite-field information-theoretic-security lagrange-interpolation mpc secure-multiparty-computation shamir-secret-sharing

Last synced: 01 Jun 2026

https://github.com/natharyan/secret-sharing-arithmetic-operations

Shamir's secret sharing to generate shares for arithmetic operations over two secrets.

cryptography cryptography-project secret-sharing shamir-secret-sharing

Last synced: 09 Oct 2025

https://github.com/cepdnaclk/e16-4yp-implementation-of-lightweight-cryptographic-algorithms

This project aims to implement and analyse NIST Lightweight cryptography competition finalist algorithms. Lightweight cryptographic algorithms are designed to be run on resource-constrained IoT devices.

computer-security cryptography iot

Last synced: 14 May 2026

https://github.com/validpay-io/validpay-react-native-sdk

Official React Native SDK for ValidPay CVCP — QR-based cryptographic document verification for mobile apps.

check-fraud cryptography document-verification mobile-sdk qr-verification react-native

Last synced: 15 Jun 2026

https://github.com/vobst/ctf-nsa_backdoor

Solution of picoCTF 2022 NSA backdoor challenge.

backdoor cryptography ctf-writeups nsa picoctf

Last synced: 07 Oct 2025

https://github.com/mthaler/cryptography

Cryptographic algorithms implemented in Rust

cryptography rust rust-library

Last synced: 09 Apr 2025

https://github.com/l1asis/vault-tar

AES-256-GCM file and directory encryption CLI with chunked streaming, configurable compression, and output splitting.

aes-256-gcm archiving cli compression cryptography directory-encryption encryption file-encryption pbkdf2 privacy python security

Last synced: 14 Feb 2026

https://github.com/pmarreck/blip_mp

BLIP-storage arbitrary-precision integers in pure Zig. Beats GMP at i64 (1.95-2.66×) and common cryptographic mul (1.12-1.46×) on Apple Silicon. 8240 GMP cross-validation tests pass.

arbitrary-precision-integers bignum blip cryptography ffi gmp multi-precision zig

Last synced: 31 May 2026

https://github.com/markcda/unitech-infosec-basics-practice-2nd-gr

Учебно-лабораторная практика за 2-й курс

cryptography university-coursework

Last synced: 15 Feb 2026

https://github.com/animo/expo-secure-environment

Expo Module for cryptographic operations using the devices Secure Environment behind biometric authentication.

android biometry cryptography expo ios react-native secure-environments typescript

Last synced: 16 Feb 2026

https://github.com/tonysamperi/krypto

Modern tree-shakeable TypeScript version of crypto-js

crypto crypto-js crypto-ts cryptography typescript typescript-library

Last synced: 01 Mar 2026

https://github.com/jdanielescanez/qkd-sampler

A Rust CLI tool for simulating Quantum Key Distribution (QKD) protocols, including BB84, Six-State, and B92. This crate provides a flexible and efficient way to simulate quantum key exchange, analyze security metrics, and evaluate the impact of eavesdropping.

b92 bb84 cryptography qkd quantum six-state

Last synced: 15 Jun 2026

https://github.com/keyweeusr/blake

BLAKE implementation as per RFC7693

blake blake2 cryptography cryptography-algorithms emacs lisp rfc7693

Last synced: 05 Oct 2025

https://github.com/eiblybrasil/php-crypt

A simple php class for encryption.

class cryptography php php72 php73 php74 php80 php81

Last synced: 05 Feb 2026

https://github.com/super-e/slip39dotnet

Complete .NET implementation of SLIP-0039 Shamir's Secret Sharing with BIP32 support

bip32 bitcoin cryptocurrency cryptography csharp dotnet mnemonic secret-sharing shamir-secret-sharing slip-0039 vibe-coding

Last synced: 13 Apr 2026

https://github.com/uofsc-fall-2022-math-587-001/homework4

Introduction to the discrete logarithm problem and a comparison of symmetric vs asymmetric ciphers

cryptography discrete-logarithm go latex math

Last synced: 20 Apr 2026

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

Qalle's MD5 Hasher (NES)

6502 assembly cryptography homebrew md5 nes

Last synced: 16 Apr 2026

https://github.com/antonio-marasescu/edublock

EduBlock represents a private blockchain platform intended for the sharing of educational records between universities. It was created to serve as my bachelor thesis degree.

angular blockchain cryptography docker expressjs gulp ngrx nodejs rabbitmq redux typedi typeorm typescript

Last synced: 13 Apr 2026

https://github.com/projects-developer/cryptography-project-using-symmetric-algorithm

This project aims to design and implement a secure data encryption system using a symmetric key algorithm. Project Includes Source Code, PPT, Synopsis, Report, Documents, Base Research Paper & Video tutorials

algorithm btechproject computerscienceproject cryptography decryption-data-security key-exchange mtechproject network-security stream-cipher symmetric-algorithm

Last synced: 05 Mar 2026

https://github.com/aelx01/kyberkeep

An experimental web-based and quantum-safe cryptography password manager with zero-knowledge cryptography

cryptography password-manager post-quantum-signature rust

Last synced: 06 Sep 2025

https://github.com/nuwax-io/nuwault-web

Advanced keyword-based password generator with client-side security, privacy focus and PWA support

client-side cryptography deterministic hashing offline password-generator password-strength privacy-first pwa security web-crypto

Last synced: 03 Jun 2026

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

Crypto BIP (Book In Progress)

crypto cryptography python

Last synced: 29 Jun 2025

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

🔓 Cryptanalytic attack on the KLEIN embedded block cipher

cryptanalysis cryptography

Last synced: 08 Jun 2026

https://github.com/bastipnt/passmgr

Zero-knowledge password manager — cross-platform web + mobile, TypeScript monorepo. Early prototype.

bun cryptography drizzle-orm e2ee end-to-end-encryption expo fastify monorepo opaque pake password-manager react react-native self-hosted tailwindcss trpc turborepo typescript zero-knowledge

Last synced: 24 Jun 2026

https://github.com/vedbhanushali/cryptoaes

Cybersecurity Project - Repositry contains [windows and android] application which uses Symmetric - Encryption for encrypting any file

aes-encryption cryptography cybersecurity symmetric-key-cryptography

Last synced: 23 Jun 2026

https://github.com/mfridman/cryptopals

My solutions for http://cryptopals.com, written entirely in Go, sprinkled with concurrency

cryptography cryptopals go golang

Last synced: 16 Mar 2025

https://github.com/marcellomaugeri/schaege-schwenk-cdh-based-ring-signature-scheme

This repo contains the implementation of the ring signature scheme proposed in "A CDH-Based Ring Signature Scheme with Short Signatures and Public Keys" by Sven Schäge & Jörg Schwenk

cryptography cryptography-library python3 ring-signature-scheme

Last synced: 17 Oct 2025

https://github.com/caveyra/electron-executor-11

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 electron electron-app electron-exploit electron-v3 gpg mobile nodejs offline privacy python react security

Last synced: 06 May 2026

https://github.com/yizhezhang-ervin/knowledge_cryptography

Cryptography with Python

cryptography python

Last synced: 18 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