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Method and system for generating ciphertext and message authentication codes utilizing shared hardware

US8996871B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8996871-B2
Application numberUS-201213423843-A
CountryUS
Kind codeB2
Filing dateMar 19, 2012
Priority dateNov 8, 2005
Publication dateMar 31, 2015
Grant dateMar 31, 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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A method and system for generating ciphertext and message authentication codes utilizing shared hardware are disclosed. According to one embodiment, a method is provided of generating ciphertext message data and message authentication codes utilizing shared authenticated encryption unit hardware. In the described embodiment, plaintext message data is received at an authenticated encryption unit which comprises first and second authenticated encryption hardware modules. Thereafter, a first message authentication code (MAC) associated with a first authenticated encryption mode and a second MAC associated with a second authenticated encryption mode are generated. More specifically, the first MAC is generated utilizing the plaintext message data and first authenticated encryption hardware module and ciphertext message data and the second MAC are generated utilizing the plaintext message data and second authenticated encryption hardware module.

First claim

Opening claim text (preview).

What is claimed is: 1. A method of generating ciphertext message data and message authentication codes utilizing shared authenticated encryption unit hardware, said method comprising: receiving plaintext message data at an authenticated encryption unit, wherein said authenticated encryption unit comprises a first authenticated encryption hardware module and a second authenticated encryption hardware module; generating a first message authentication code based on data generated b…

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What does patent US8996871B2 cover?
A method and system for generating ciphertext and message authentication codes utilizing shared hardware are disclosed. According to one embodiment, a method is provided of generating ciphertext message data and message authentication codes utilizing shared authenticated encryption unit hardware. In the described embodiment, plaintext message data is received at an authenticated encryption unit…
Who is the assignee on this patent?
Sandberg Melanie J, Schaffer Scott J, IBM
What technology area does this patent fall under?
Primary CPC classification H04L9/0643. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 31 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).