Title:
認証装置、認証方法及び認証プログラム
Document Type and Number:
Japanese Patent JP6780953
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an authentication device, an authentication method and an authentication program that can protect authentication information easily in multifactor authentication.SOLUTION: An authentication device 1 includes a coding section 11 for encoding confidential information concatenating multiple authentication information by pseudo-cyclic code, a storage section 20 for storing only check symbol string from which information symbol string was deleted, out of the encoded codewords, and a decoding section 12 performing decoding based on input information and check symbol string, when the input information corresponding to any authentication information is inputted, and restoring multiple authentication information. The coding section 11 sets the check symbol string to a length that cannot be decode multiple authentication information by itself, but can decode in combination with the input information.SELECTED DRAWING: Figure 1
Inventors:
Kiyoshi Yoshino
Shinsaku Kiyomoto
Shinsaku Kiyomoto
Application Number:
JP2016085964A
Publication Date:
November 04, 2020
Filing Date:
April 22, 2016
Export Citation:
Assignee:
KDDI CORPORATION
International Classes:
H04L9/32; G06F21/32
Domestic Patent References:
| JP2003050782A |
Other References:
LOZHNIKOV, P. S., SULAVKO, A. E., VOLKOV, D. A.,Application of Noise Tolerant Code to Biometric Data to Verify the Authenticity of Transmitting Information,2015 International Siberian Conference on Control and Communications (SIBCON),2015年,pp. 1-3
Attorney, Agent or Firm:
Masayuki Masabayashi
Hayashi Ichiyoshi
Hayashi Ichiyoshi