dealfonso/sapp

Simple and Agnostic PDF Document Parser in PHP - sign PDF docs using PHP

Language: PHP - Size: 156 KB - Last synced at: 2 days ago - Pushed at: 2 days ago - Stars: 141 - Forks: 37

thomasleplus/SubChannel

A study on subliminal channels in DSA algorithm.

Language: Java - Size: 1.88 MB - Last synced at: 4 days ago - Pushed at: 4 days ago - Stars: 7 - Forks: 3

sonymag/TrueState-Protocol

TSP (True State Protocol) - A cryptographic protocol for creating self-verifying digital artifacts. Offers mathematically unique tokens with built-in ownership proofs and stateless verification. A paradigm shift beyond JWT for authentication, licensing, and digital certificates.

Language: Python - Size: 79.1 KB - Last synced at: 6 days ago - Pushed at: 6 days ago - Stars: 0 - Forks: 0

code-muni/eMark

eMark is a robust, cross-platform desktop application for digitally signing PDF documents with support for multiple signing methods. It provides a user-friendly interface for secure document signing while maintaining the highest security standards.

Language: Java - Size: 735 KB - Last synced at: 7 days ago - Pushed at: 7 days ago - Stars: 2 - Forks: 0

ncanode-kz/NCANode

⭐ Приложение-сервер для работы с Электронно Цифровой Подписью (ЭЦП) РК

Language: Java - Size: 1.4 MB - Last synced at: 8 days ago - Pushed at: 8 days ago - Stars: 293 - Forks: 96

samuel-lucas6/Kryptor

A simple, modern, and secure encryption and signing tool that aims to be a better version of age and Minisign.

Language: C# - Size: 7.47 MB - Last synced at: 6 days ago - Pushed at: 8 months ago - Stars: 471 - Forks: 33

beatt83/didcomm-swift

Swift library for DIDComm V2 protocol with message encryption/decryption, signing, DID authentication, and advanced routing for secure, decentralized communication.

Language: Swift - Size: 224 KB - Last synced at: 6 days ago - Pushed at: 9 days ago - Stars: 8 - Forks: 2

GiacomoPope/dilithium-py

A pure python implementation of ML-DSA (FIPS 204) and CRYSTALS-Dilithium

Language: Python - Size: 13.9 MB - Last synced at: 10 days ago - Pushed at: 10 days ago - Stars: 105 - Forks: 28

HumanjavaEnterprises/nostr-nsec-seedphrase

The nostr-nsec-seedphrase repository offers a TypeScript library that converts Nostr nsec keys into mnemonic seed phrases, enhancing the readability and management of keys within Nostr applications. This approach mirrors Bitcoin's use of seed phrases, emphasizing the importance of secure storage and careful handling of these keys.

Language: TypeScript - Size: 881 KB - Last synced at: 4 days ago - Pushed at: 8 months ago - Stars: 2 - Forks: 1

eddieoz/haal

Hääl - Anonymous Electronic Voting System on Public Blockchains

Language: JavaScript - Size: 1.42 MB - Last synced at: 11 days ago - Pushed at: almost 3 years ago - Stars: 114 - Forks: 16

Stefan-Dr/GoGuard

GoGuard is a secure licensing server for encrypted communication, license generation, and hardware-bound verification.

Language: Go - Size: 297 KB - Last synced at: 15 days ago - Pushed at: 15 days ago - Stars: 0 - Forks: 0

onix-labs/onixlabs-dotnet

ONIXLabs .NET Library - Includes powerful APIs for functional and object-oriented programming, security, cryptography and numerics.

Language: C# - Size: 889 KB - Last synced at: 5 days ago - Pushed at: 7 days ago - Stars: 14 - Forks: 3

tlsfuzzer/python-ecdsa

pure-python ECDSA signature/verification and ECDH key agreement

Language: Python - Size: 1020 KB - Last synced at: 6 days ago - Pushed at: 6 months ago - Stars: 954 - Forks: 324

Kh05ifr4nD/PQMagician

Rust Bindings to PQMagic Post-quantum Cryptographic Algorithm C Library

Language: Rust - Size: 84 KB - Last synced at: 28 days ago - Pushed at: 28 days ago - Stars: 2 - Forks: 0

JuanjoBelt/MA2006B-CryptographyForHumanRights

Morfosis es una plataforma para la gestión segura de documentos de la organización a través de firmas digitales y otras herramientas criptográficas.

Language: Python - Size: 4.64 MB - Last synced at: 29 days ago - Pushed at: 29 days ago - Stars: 2 - Forks: 1

mitchbaney23/hylian

A modern digital document signing platform - DocuSign clone built with React, Node.js, and PostgreSQL

Language: TypeScript - Size: 113 KB - Last synced at: 29 days ago - Pushed at: 29 days ago - Stars: 0 - Forks: 0

RubyCrypto/ed25519

Ed25519 high-performance public-key signature system as a RubyGem (MRI C extension and JRuby Java extension)

Language: Java - Size: 1.01 MB - Last synced at: 4 days ago - Pushed at: 4 months ago - Stars: 114 - Forks: 18

0xMouiz/python-secp256k1

Python implementation of secp256k1 elliptic curve cryptography and ECDSA signing/verification.

Language: Python - Size: 12.7 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 3 - Forks: 0

HectorMozo3110/BB84-Quantum-Encryption-Tool-Simulator

Hybrid quantum-classical encryption system using BB84 protocol, AES-256, HMAC, and optional post-quantum signatures. Includes full GUI and scientific metrics logging.

Language: Python - Size: 181 MB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 2 - Forks: 0

hippie68/gogcheck

Bash script that verifies your GOG offline installers' authenticity and checksums. Made to scan large collections.

Language: Shell - Size: 134 KB - Last synced at: about 2 months ago - Pushed at: about 2 months ago - Stars: 68 - Forks: 6

brunoleomenezes/quantum_sphincs_api_demo

Demonstration of resilience in post-quantum cryptography using SPHINCS+. This project combines SPHINCS+ digital signatures with quantum circuit simulations built using Qiskit. A REST API is included to enable automated and remote execution of tests, making the framework suitable for integration.

Language: C - Size: 374 KB - Last synced at: about 2 months ago - Pushed at: about 2 months ago - Stars: 2 - Forks: 0

mattrglobal/jsonld-signatures-bbs 📦

A linked data proof suite for BBS+ signatures

Language: TypeScript - Size: 1.84 MB - Last synced at: 19 days ago - Pushed at: 12 months ago - Stars: 142 - Forks: 41

raunak-1515/custom-blockchain-project

A simple blockchain built with Node.js, featuring wallet generation, transaction signing, mining, and persistent storage.

Language: JavaScript - Size: 13.7 KB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 0 - Forks: 0

lucianoscarpaci/Ethereum-Cryptography

This project uses secp256k1, keccak256 hashing, and BIP39 for generating vanity addresses, implementing secure cryptographic operations and creating mnemonic phrases.

Language: JavaScript - Size: 6.84 KB - Last synced at: 6 days ago - Pushed at: 11 months ago - Stars: 1 - Forks: 0

lucianoscarpaci/Curve25519-Signatures

A SageMath implementation of Edwards-Curve Digital Signature Algorithm (EdDSA), featuring secure key generation, signing, and verification. Focused on Cryptographic Primitives and highly efficient, scalable algorithms.

Language: Jupyter Notebook - Size: 66.4 KB - Last synced at: 6 days ago - Pushed at: 11 months ago - Stars: 1 - Forks: 0

brannondorsey/chattervox

📡 An AX.25 packet radio chat protocol with support for digital signatures and binary compression. Like IRC over radio waves.

Language: TypeScript - Size: 897 KB - Last synced at: about 1 month ago - Pushed at: over 5 years ago - Stars: 770 - Forks: 40

itzmeanjan/ml-dsa

Module-Lattice-based Digital Signature Standard Standard by NIST i.e. FIPS 204

Language: C++ - Size: 11.6 MB - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 48 - Forks: 5

konstantinullrich/crypton

A simple Dart library for asymmetric encryption and digital signatures

Language: Dart - Size: 127 KB - Last synced at: about 2 months ago - Pushed at: almost 2 years ago - Stars: 35 - Forks: 12

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.

Language: Jupyter Notebook - Size: 5.63 MB - Last synced at: about 1 month ago - Pushed at: 3 months ago - Stars: 1 - Forks: 0

nadjibbouzizi/Adobe-Acrobat-SE

Adobe Acrobat is a leading software for viewing, creating, managing, and editing PDF documents

Size: 4.88 KB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 0 - Forks: 0

rezatajari/learnmeabitcoin

Be a part of learnmeabitcoin translation

Language: JavaScript - Size: 18.6 MB - Last synced at: 4 months ago - Pushed at: 7 months ago - Stars: 118 - Forks: 27

AnthonyKamers/mtss-signer Fork of paolabel/mtss-signer

Application for signing .txt files using a modification-tolerant signature scheme (MTSS)

Language: Python - Size: 52.1 MB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 0 - Forks: 0

TareqElnecer/quantum_sphincs_api_demo

Demonstration of post-quantum cryptography resilience using SPHINCS+ integrated with simulated quantum attacks. This project combines SPHINCS+ digital signatures with quantum circuit simulations built with Qiskit. A REST API is included to enable automated and remote execution of tests and attacks, making the framework suitable.

Language: Python - Size: 321 KB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 0 - Forks: 0

johnshearing/PrivateKeyVault

Make Instructions: Airgapped raspberry pi computer for working with blockchains featuring LUKS full disk encryption and using qr-codes to pass encrypted files and offline transaction instructions across the airgap.

Size: 150 MB - Last synced at: 5 months ago - Pushed at: 5 months ago - Stars: 63 - Forks: 13

BrodyGaudel/cryptography_encoding

Encoding, cryptography, and digital signature in Java (21)

Language: Java - Size: 12.7 KB - Last synced at: 5 months ago - Pushed at: 5 months ago - Stars: 2 - Forks: 1

TonyKaravasilev/CryptoManana

An Advanced PHP Cryptography Framework

Language: PHP - Size: 790 KB - Last synced at: 27 days ago - Pushed at: over 1 year ago - Stars: 16 - Forks: 2

Devehab/CryptoTools

An educational cryptography toolkit in Arabic that provides hands-on learning for various cryptographic concepts including wallet generation, encryption/decryption, hashing, and digital signatures. All operations are performed client-side for maximum privacy and security.

Language: HTML - Size: 65.4 KB - Last synced at: 28 days ago - Pushed at: 6 months ago - Stars: 0 - Forks: 0

tundoju/Adobe-Acrobat-SE

Adobe Acrobat is a leading software for viewing, creating, managing, and editing PDF documents

Size: 0 Bytes - Last synced at: 6 months ago - Pushed at: 6 months ago - Stars: 1 - Forks: 0

villesundell/li2utils

Simple signer/verifier for FIPS 204 / CRYSTALS-Dilithium post quantum cryptography (PQC) written in Rust

Language: Rust - Size: 31.3 KB - Last synced at: 12 days ago - Pushed at: 7 months ago - Stars: 1 - Forks: 0

N1ghtF1re/Digital-Signature

Digital signature using RSA algorithm

Language: Java - Size: 38.1 KB - Last synced at: 5 months ago - Pushed at: almost 7 years ago - Stars: 5 - Forks: 0

isakruas/ecutils

Python Library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.

Language: Python - Size: 126 KB - Last synced at: 27 days ago - Pushed at: 11 months ago - Stars: 5 - Forks: 2

HumanjavaEnterprises/nostr-crypto-utils

The nostr-crypto-utils repository provides a suite of cryptographic tools tailored for the Nostr protocol, facilitating secure key management, event signing, and encryption functionalities for developers building Nostr applications.

Language: TypeScript - Size: 1.01 MB - Last synced at: 5 months ago - Pushed at: 8 months ago - Stars: 1 - Forks: 0

isakruas/js-ecutils

JavaScript Library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.

Language: JavaScript - Size: 226 KB - Last synced at: 12 days ago - Pushed at: 11 months ago - Stars: 2 - Forks: 0

AshwinSomi/EE599_FinalProject

A Method for Obtaining Digital Signatures and Public Key Cryptosystems

Language: Python - Size: 1000 Bytes - Last synced at: 3 months ago - Pushed at: 11 months ago - Stars: 0 - Forks: 0

isakruas/go-ecutils

Go Library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.

Language: Shell - Size: 13.3 MB - Last synced at: 6 months ago - Pushed at: 11 months ago - Stars: 1 - Forks: 0

singularian/mdencode

mdencode is a file signature generator with a modular floors and a mdzip compressor

Language: C++ - Size: 4.23 MB - Last synced at: 5 months ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

Aryan-Satija/SIH_INTERNAL_ROUND_1_SKILL_ISSUE

Language: JavaScript - Size: 73.3 MB - Last synced at: 7 months ago - Pushed at: about 1 year ago - Stars: 0 - Forks: 0

evias/dotsig

dotsig is a powerful tool to create or verify digital signatures on-the-fly

Language: C++ - Size: 355 KB - Last synced at: 5 months ago - Pushed at: over 1 year ago - Stars: 2 - Forks: 2

tendermint/yubihsm-rs 📦

Pure Rust client for YubiHSM2 devices

Size: 0 Bytes - Last synced at: 5 months ago - Pushed at: over 5 years ago - Stars: 70 - Forks: 10

sebavidal10/sign-service

Sistema de firma electrónica avanzada utilizando SoftHSM, Node.js, Express y MongoDB. Permite registrar usuarios con RUN y firmar documentos PDF mediante una API REST.

Language: JavaScript - Size: 3.91 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 0 - Forks: 0

Toba-Digital-Inovasi/demokeysigndesk

Demo KeySIGN Desktop

Size: 182 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 1 - Forks: 0

TaroAndMulan/VCsignAlpha

(Master Thesis) A decentralize contract signing web application based on Decentralized identity and Verifiable Credential

Language: JavaScript - Size: 10.4 MB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

imbianchi/digisign-node

PDF's e-sign & Digital Signature small project in NodeJS.

Language: SCSS - Size: 896 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 1

cryptimeleon/craco

CRyptogrAphic COnstructions

Language: Java - Size: 1.87 MB - Last synced at: 3 days ago - Pushed at: over 2 years ago - Stars: 11 - Forks: 5

SignRequest/signrequest-node-client

Official Node.js client for SignRequest.com

Language: JavaScript - Size: 135 KB - Last synced at: over 1 year ago - Pushed at: over 5 years ago - Stars: 6 - Forks: 4

SignRequest/signrequest-csharp-client

Official C# client for SignRequest.com

Language: C# - Size: 407 KB - Last synced at: over 1 year ago - Pushed at: almost 3 years ago - Stars: 5 - Forks: 1

tendermint/signatory 📦

Multi-provider digital signature library for Rust

Language: Rust - Size: 849 KB - Last synced at: over 1 year ago - Pushed at: about 5 years ago - Stars: 141 - Forks: 29

Obaa10/secure-102

This project aims to create a secure communication system between the university entity and its students and professors. The system operates on a client-server architecture, prioritizing information security through various encryption technologies.

Language: JavaScript - Size: 35.2 KB - Last synced at: 6 months ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

chiefbiiko/falcon-cli

post-quantum file sigs

Language: Rust - Size: 76.2 KB - Last synced at: 6 months ago - Pushed at: almost 4 years ago - Stars: 2 - Forks: 1

Alexei-Ionov/Secure-File-Sharing-System

File sharing and access control system using cryptographic techniques to ensure security of files and user actions

Language: Go - Size: 27.3 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 1 - Forks: 0

VinDesiraju/Quantum-Safe-Digital-Signature-System

A quantum-resistant digital signature scheme in Python using the Rainbow cryptography scheme.

Language: Python - Size: 142 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

Al-khateebBahaa/PDF-Signer

PDF-Signer is a Library that allows you to add Digital Signatures to Any PDF file by picking a signature from a gallery or handwriting

Language: Kotlin - Size: 4.64 MB - Last synced at: 3 months ago - Pushed at: over 2 years ago - Stars: 23 - Forks: 3

kudelskisecurity/cryptochallenge18

Kudelski Security's 2018 pre-Black Hat crypto challenge

Size: 139 KB - Last synced at: over 1 year ago - Pushed at: about 7 years ago - Stars: 36 - Forks: 3

afan0918/DigitalSignature

Digital signature implementation

Language: Python - Size: 7.81 KB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

Web7Foundation/Web7.TrustLibrary

The Web 7.0 Portable Trust Library (PTL) is used to support all of the trust operations required to develop Web 7.0 Trusted Personal Agents (and supporting components) across multiple operating system environments. The PTL supports the Web 7.0 goal of "making decentralized systems easy-to-understand and easier for you to implement".

Language: C# - Size: 2.86 MB - Last synced at: about 2 years ago - Pushed at: about 2 years ago - Stars: 1 - Forks: 0

mykeoye/paysig

A simple wallet application, that facilitates the transfer of funds securely between different addresses

Language: JavaScript - Size: 39.1 KB - Last synced at: about 2 years ago - Pushed at: about 2 years ago - Stars: 0 - Forks: 0

marcoonroad/hieroglyphs

Quantum-resistant, purely Hash-based, Stateful, One-Time Digital Signatures for OCaml. :shield: :camel: :lock: :key: [Work In Progress]

Language: OCaml - Size: 493 KB - Last synced at: about 1 year ago - Pushed at: over 2 years ago - Stars: 10 - Forks: 2

guillaumelauzier/ECDSA

The Elliptic Curve Digital Signature Algorithm (ECDSA) is the digital signature algorithm used for ordinals and inscriptions on Bitcoin. It is used to prove ownership of private keys and to sign transactions. ECDSA is a variant of the Digital Signature Algorithm (DSA) that uses elliptic curve cryptography. It provides a high level of security ...

Language: C++ - Size: 2.93 KB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 0

hejsan/WeasySign

WeasySign is a small simple to use high level library for digitally signing pdf's generated with the WeasyPrint PDF library.

Language: Python - Size: 16.6 KB - Last synced at: over 2 years ago - Pushed at: almost 5 years ago - Stars: 11 - Forks: 3

huyvw/digital-signature-python

Digital Signature with hmac SHA256 implemented with python3

Language: Python - Size: 5.86 KB - Last synced at: over 2 years ago - Pushed at: over 4 years ago - Stars: 1 - Forks: 0

Pulkitsoft/Digital-Signer-Lite

Digital Signer is a Digital Signature and PDF signature software that signs PDF documents using PFX file with the powerful encryption algorithm.

Size: 9.77 KB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 0 - Forks: 1

samuel-lucas6/HedgedEd25519

Hedged signatures for (some) protection against fault attacks.

Language: C# - Size: 4.88 KB - Last synced at: 6 days ago - Pushed at: almost 3 years ago - Stars: 0 - Forks: 0

itsKarad/Blockchain

Bite-size implementation of a blockchain storing transactions.

Language: Python - Size: 66.4 KB - Last synced at: over 2 years ago - Pushed at: over 3 years ago - Stars: 1 - Forks: 0

Fungrim/gcp-kms-csr-generator

A small utility library that creates CSR's where the private key is stored in GCP KMS.

Language: Java - Size: 81.1 KB - Last synced at: 2 months ago - Pushed at: over 3 years ago - Stars: 0 - Forks: 0

SignRequest/signrequest-php-client

Official PHP client for SignRequest.com

Language: PHP - Size: 152 KB - Last synced at: 9 days ago - Pushed at: over 2 years ago - Stars: 10 - Forks: 21

guental/openspx

Make Post-Quantum File Signatures

Language: Python - Size: 3.91 KB - Last synced at: about 1 year ago - Pushed at: over 4 years ago - Stars: 0 - Forks: 1

cityofaustin/electronic-signatures

Policy guidance on how City of Austin departments can use and accept electronic and digital signatures

Size: 403 KB - Last synced at: over 1 year ago - Pushed at: almost 4 years ago - Stars: 0 - Forks: 0

objectguild/Crypto-Nacl

A binding to Libsodium for Pharo.

Language: Smalltalk - Size: 56.6 KB - Last synced at: over 2 years ago - Pushed at: almost 4 years ago - Stars: 0 - Forks: 0

factomatic/kambani

Chrome extension for identity and key management

Language: TypeScript - Size: 3.32 MB - Last synced at: 3 months ago - Pushed at: over 2 years ago - Stars: 7 - Forks: 3

freight-trust/eu-signatures

digital signatures for the euro-zone market

Language: JavaScript - Size: 1.67 MB - Last synced at: 7 months ago - Pushed at: about 5 years ago - Stars: 0 - Forks: 0

SignRequest/signrequest-python-client

Official Python client for SignRequest.com

Language: Python - Size: 177 KB - Last synced at: 16 days ago - Pushed at: over 5 years ago - Stars: 2 - Forks: 1

mbarosevic/cryptography-digital-signature

Windows Forms application that provides symmetric and asymmetric encryption. Besides encryption, it provides text decryption depending on the encryption algorithm (AES or RSA). For the sake of creating digital signatures, text hash value is calculated with SHA-256 hashing algorithm, and encrypted with RSA asymmetric algorithm. The last option provides validation the authenticity and integrity of a message by simply providing digital signature and message.

Language: Rich Text Format - Size: 36.8 MB - Last synced at: over 2 years ago - Pushed at: over 5 years ago - Stars: 0 - Forks: 0

kartik2309/nCRYPT

AES256 Encryption and RSA Key sharing based iOS Messaging App

Language: Swift - Size: 1.64 MB - Last synced at: over 2 years ago - Pushed at: almost 7 years ago - Stars: 1 - Forks: 0

Saiteja-Reddy/Digital-Signatures-Basic

Toy Digital Signatures implemented using Public Key Crypto for signing and verification, SHA1 for hashing.

Language: Python - Size: 127 KB - Last synced at: over 2 years ago - Pushed at: over 6 years ago - Stars: 1 - Forks: 0

kabl/ed25519

Digital Signature with the ec25519 curve

Language: Java - Size: 8.79 KB - Last synced at: over 2 years ago - Pushed at: about 7 years ago - Stars: 0 - Forks: 1