Falsification checking method of data sent by data recording apparatus having processor and a/d converter and data recording apparatus for executing the same

Falsification checking method of data sent by data recording apparatus having processor and a/d converter and data recording apparatus for executing the same

A method for executing a falsification check of data transmitted from a data recording device including a processor and an A/D converter. The method includes Step Sa0 of preparing a public-secret key pair; Step Sa1 of inputting an analog signal obtained by a sensor into the A/D converter, while the...

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1. Verfasser: ARAKI, MASAYUKI
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator ARAKI, MASAYUKI
description A method for executing a falsification check of data transmitted from a data recording device including a processor and an A/D converter. The method includes Step Sa0 of preparing a public-secret key pair; Step Sa1 of inputting an analog signal obtained by a sensor into the A/D converter, while the A/D converter generates whole digital data consisting of signal data and noise data; Step Sa2 of computing a hash value for the signal data using a hash function; Step Sa3 of encrypting the hash value with either of the secret key or the public key; Step Sa4 of writing the encrypted hash value into a noise area where the noise data is recorded, Step Sb2 of authenticating the received data; and Step Sb4 of determining whether the data transmitted from the data recording device is falsified.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Falsification checking method of data sent by data recording apparatus having processor and a/d converter and data recording apparatus for executing the same
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