The Open Source DocuSign Alternative.

Ethereum .Net cross platform integration library

letsencrypt/acme client implemented as a shell-script – just add water

Restore/upgrade firmware of iOS devices

The source repository for the Trusted Platform Module (TPM2.0) tools

Disable PatchGuard and Driver Signature Enforcement at boot time

An implementation of JOSE standards (JWE, JWS, JWT) in Go

Golang PDF library for creating and processing PDF files (pure go)

Fast and efficient ed25519 signing and verification in Rust.

✒ A free, self-hosted platform to sideload iOS apps without a computer

Node.js RSA library

A cli tool that helps signing and zip aligning single or multiple Android application packages (APKs) with either debug or provided release certificates. It supports v1, v2 and v3 Android signing scheme has an embedded debug keystore and auto verifies after signing.

PKI.js is a pure JavaScript library implementing the formats that are used in PKI applications (signing, encryption, certificate requests, OCSP and TSP requests/responses). It is built on WebCrypto (Web Cryptography API) and requires no plug-ins.

Step-by-step guide on how to create a GPG key on keybase.io, adding it to a local GPG setup and using it with Git and GitHub.

An S/MIME signing utility for use with Git

Create private keys and certificates with node.js

A framework for the JOSE standards JWS, JWE, and JWK written in Swift.

A PKCS#11 interface for TPM2 hardware

Apkmod can decompile, recompile, sign APK, and bind the payload with any legit APP

GitHub Action to import a GPG key