Title:
ENCRYPTION DEVICE AND ENCRYPTION METHOD
Document Type and Number:
Japanese Patent JP2023043981
Kind Code:
A
Abstract:
To provide an encryption method and an encryption device of digital data that enhances data concealing.SOLUTION: A method for encrypting data using an encryption device includes: a first partial data input step of inputting first partial data that is part of data into an encryption device; a first encryption step of encrypting the first partial data to obtain first encryption data; a first partial data deletion step of deleting the first partial data from the encryption device; a second partial data input step of inputting second partial data that is partial data other than the first partial data of data into the encryption device; and a second encryption step of encrypting the second partial data to obtain second encryption data.SELECTED DRAWING: Figure 1
Inventors:
TOYOIZUMI HIROSHI
AZUMA YOICHI
MORIMOTO HAJIME
MORIMOTO ATSUSHI
AZUMA YOICHI
MORIMOTO HAJIME
MORIMOTO ATSUSHI
Application Number:
JP2021151766A
Publication Date:
March 30, 2023
Filing Date:
September 17, 2021
Export Citation:
Assignee:
A T COMMUNICATIONS CO LTD
International Classes:
G06F21/60; G06K19/06
Attorney, Agent or Firm:
Hiroyuki Hirose
Daisuke Seki
Daisuke Seki
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