METHOD FOR ENCRYPTION VERIFICATION AND DECRYPTION VERIFICATION AND ELECTRONIC APPARATUS SUITABLE FOR SMALL MEMORY IMPLEMENTATION ENVIRONMENT

A method for encryption authentication according to the present invention comprises the steps of: performing a first encryption operation by a first function using secret information; performing a second encryption operation by a second function using the result value of the first encryption operati...

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Bibliographic Details
Main Authors HONG, SEOKHIE, CHANG, DONG HOON
Format Patent
LanguageEnglish
French
German
Published 27.04.2016
Subjects
ADVERTISING
CALCULATING
CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY
COMPUTING
COUNTING
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
SEALS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A method for encryption authentication according to the present invention comprises the steps of: performing a first encryption operation by a first function using secret information; performing a second encryption operation by a second function using the result value of the first encryption operation without the secret information; and performing a third encryption operation by a third function using the result value of the first encryption operation or the result value of the second encryption operation and the secret information. Further, a method for decryption verification according to the present invention comprises the step of determining whether to output, to the decoding module, a value associated with the entire or partial value of the result value of the first encryption operation according to the result value of the third encryption operation.
Bibliography:Application Number: EP20140814588