Authentication and authorization in proximity based service communication using a group key
US-2024314112-A1 · Sep 19, 2024 · US
Method and apparatus for managing group key for mobile device
US9326136B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9326136-B2 |
| Application number | US-201214130829-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 4, 2012 |
| Priority date | Jul 4, 2011 |
| Publication date | Apr 26, 2016 |
| Grant date | Apr 26, 2016 |
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Abstract
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Provided is a method for managing a group key in a key distribution center. The method includes: receiving a key request from a mobile device; generating a private key for the mobile device using information about a withdrawal time included in the key request; generating a public key and a verification key for the mobile device; and transmitting at least one key including the generated key to the mobile device.
First claim
Opening claim text (preview).
What is claimed is: 1. A method for managing a key in a mobile device, comprising: transmitting a first verification message to a counterpart mobile device and receiving a second verification message from the counterpart mobile device; verifying whether the second verification message is valid; generating a session key when the second verification message is valid; encrypting its own group key using the session key when a version of a group key included in the second verific…
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- H04L9/0833Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9326136B2 cover?
- Provided is a method for managing a group key in a key distribution center. The method includes: receiving a key request from a mobile device; generating a private key for the mobile device using information about a withdrawal time included in the key request; generating a public key and a verification key for the mobile device; and transmitting at least one key including the generated key to t…
- Who is the assignee on this patent?
- Suh Kyung-Joo, Park Young-Hoon, Seo Seung-Woo, and 7 more
- What technology area does this patent fall under?
- Primary CPC classification H04L9/0833. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 26 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).