US 2,004,168,081 · Filed 2003-02-20

Microsoft's One-Click WiFi Security: The Patent That Killed Password Confusion

Imagine if connecting to a secure WiFi network didn't require typing a long, complicated password. Microsoft patented a system where you press a button or scan a code, and your device automatically receives the network credentials it needs to log in—all without you having to remember or type anything.

The plain-English version

What it protects

The claim covers a method where a computing device joins a secured network through a simplified handshake process. What's protected here is the specific sequence: a temporary connection forms between the access point and the device, network credentials are transmitted (encrypted or unencrypted), the device decrypts them if needed, and an optional secret-verification step prevents unauthorized access. The patent locks down this entire workflow of credential delivery and automatic network enrollment.

Why it matters

This patent addresses a real frustration: setting up WiFi on phones, tablets, and smart devices used to require users to manually enter complex passwords, which was error-prone and tedious. By automating credential delivery, this approach significantly reduces setup friction. For enterprises and consumer products, faster, simpler network onboarding means lower support costs and better user experience—critical competitive advantages in IoT and smart home markets.

Real-world use

When you press a WiFi connection button on a router or scan a QR code with your phone to join a network without typing a password, you're using technology descended from this patent's core idea.

Original USPTO abstract

A computing device is enabled to join a secure network with minimal user interaction. Either a user of the computing device, or a person authorized to control access to the secure network can initiate a bind step to enable the computing device to join the network. A temporary alternate network is then created between an access point of the network and the computing device network interface card (NIC). Network credentials (optionally, encrypted) are then transmitted to the computing device NIC. These parameters are decrypted by the computing device NIC (if they were encrypted) and used by it to join the secure network. Optionally, a secret can be encrypted, transmitted to the access point, and verified prior to the access point providing these parameters to the computing device. The secret ensures that a third party is not improperly authorized to access the secure network.

Patent details

Publication number
US 2,004,168,081
Filing date
2003-02-20
Grant date
Application — not yet granted
Assignee
Microsoft Corporation
Inventor(s)
LADAS COREY M., CHILDERSTON MATTHEW D., MALIK NEEL R.S.
CPC class
H04L63/0428

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