Title:
認証装置、認証プログラム及び認証方法
Document Type and Number:
Japanese Patent JP6816623
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent authentication by a password of an attacker without blocking authentication by a password of an authorized user.SOLUTION: An authentication device includes: a counting unit that counts, when storing a newly failed password or corresponding value of the password in a storage unit for storing a predetermined number of passwords or corresponding values of the passwords failed in authentication processing before accepting each correct password, a number of passwords or corresponding values of the passwords to be lost from the storage unit; and an authentication unit that resets, when the counted value is equal to or more than the predetermined number, the counted value without determining that the authentication process is successful when accepting input of a correct password.SELECTED DRAWING: Figure 1
Inventors:
Shigeaki Koike
Application Number:
JP2017079202A
Publication Date:
January 20, 2021
Filing Date:
April 12, 2017
Export Citation:
Assignee:
富士通株式会社
International Classes:
G06F21/31
Domestic Patent References:
| JP2007156675A | ||||
| JP2008046867A | ||||
| JP2016051251A | ||||
| JP2015072527A |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Takao Kato
Tadahiko Ito
Takao Kato