Partial encryption and full authentication of message blocks

Methods and apparatus are presented for encrypting and authenticating data, wherein some data is encrypted and some data is not encrypted, but all of the data is authenticated. Masking modules (410) are used in a partial-block encryption mode to indicate which bits of a data block are to be encrypte...

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Bibliographic Details
Main Authors HAWKES PHILIP MICHAEL, ROSE GREGORY GORDON
Format Patent
LanguageEnglish
Published 28.02.2012
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:Methods and apparatus are presented for encrypting and authenticating data, wherein some data is encrypted and some data is not encrypted, but all of the data is authenticated. Masking modules (410) are used in a partial-block encryption mode to indicate which bits of a data block are to be encrypted.
Bibliography:Application Number: US20080174477