Vault, by Cloak, is the easiest to use, file sharing app with document rights management. You can also sign PDF files securely. Our product is based on advanced public key encryption service that removes the need to share file passwords or encryption keys. Moreover, it works across major platforms: Windows, MacOS X, Linux, Android and iOS devices. Access your protected files anywhere, anytime! Security features include: 1. Digital rights management. Share text / markdown, pdf and ima