Platform Keys

platformKeys

Medium RiskCategory: System & PerformanceView Official Docs↗

Technical Context

Provides access to platform-managed cryptographic keys for signing and verification operations. This enables secure authentication without exposing private keys.

What This Means For You

The extension can use secure cryptographic keys managed by your system. This enables strong authentication while keeping your keys protected.

Related APIs

This permission enables access to these Chrome APIs:

chrome.platformKeys

Common Use Cases

✓Secure authentication
✓Digital signatures

How to Declare in manifest.json

Add the "platformKeys" permission to your extension manifest:

{
  "manifest_version": 3,
  "name": "My Extension",
  "permissions": [
    "platformKeys"
  ]
}

Related Permissions

Downloads

downloads

The extension can start downloads, see your download history, pause or cancel downloads, and open downloaded files. This is powerful access to your file downloads.

medium

Downloads Open

downloads.open

The extension can automatically open files after downloading them. This is convenient but means downloaded files can be executed without your explicit action.

medium

Downloads UI

downloads.ui

The extension can change how Chrome shows downloads to you, like hiding the download bar. This affects your visibility into what is being downloaded.

medium

Enterprise Platform Keys

enterprise.platformKeys

In company-managed Chrome, the extension can use secure certificates installed by your IT department for authentication. This enables secure enterprise login.

medium

Storage

storage

This acts as a digital filing cabinet where the extension saves your personal settings and preferences. It ensures your custom configurations stay the same every time you open Chrome without slowing down your computer.

low