Major management apparatus, authorized management apparatus, electronic apparatus for delegated key management, and key management methods thereof

US8948397B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8948397-B2
Application numberUS-201213714342-A
CountryUS
Kind codeB2
Filing dateDec 13, 2012
Priority dateDec 6, 2012
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A major management apparatus, an authorized management apparatus, an electronic apparatus for delegated key management and key management methods thereof are provided. The major management apparatus generates a first delegation deployment message and a second delegation deployment message, which are transmitted to the authorized management apparatus and the electronic apparatus, respectively. The authorized management apparatus encrypts an original key management message into a key management message by an authorization key included in the first delegation deployment message. The original key management message includes an operation code and a key identity. The electronic apparatus decrypts the key management message into the original key management message by the authorization key included in the second delegation deployment message. The electronic apparatus selects an application key according to the key identity and operates the application key based on the operation code.

First claim

Opening claim text (preview).

What is claimed is: 1. A major management apparatus for delegated key management, a network system comprising the major management apparatus, an authorized management apparatus, and an electronic apparatus, the major management apparatus comprising: a storage unit, being configured to store a first device key and a second device key; a transceiving interface, being configured to transmit the first device key to the authorized management apparatus and transmit the second device k…

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What does patent US8948397B2 cover?
A major management apparatus, an authorized management apparatus, an electronic apparatus for delegated key management and key management methods thereof are provided. The major management apparatus generates a first delegation deployment message and a second delegation deployment message, which are transmitted to the authorized management apparatus and the electronic apparatus, respectively. T…
Who is the assignee on this patent?
Inst Information Industry
What technology area does this patent fall under?
Primary CPC classification H04L9/08. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 03 2015 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).