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Title:
A secret key issuing device, a public key cryptosystem, an electronic signature system, a secret key issuing method, and a computer program
Document Type and Number:
Japanese Patent JP6093664
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable a user to specify a type of authentication to be performed when a secret key issuing station issues a secret key, in an ID based encryption method.SOLUTION: An ID information generation device 1 which generates ID information to be used in an ID based encryption method, comprises: an input unit 11 which receives input of authentication type specification information for specifying a type of authentication to be performed on issuing a secret key to be used in the ID based encryption method; an ID information generation unit 12 which generates ID information including the input authentication type specification information; and an output unit 13 which outputs the ID information generated by the ID information generation unit.

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Inventors:
Ayumu Kubota
Ryu Watanabe
Application Number:
JP2013142032A
Publication Date:
March 08, 2017
Filing Date:
July 05, 2013
Export Citation:
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Assignee:
KDDI CORPORATION
International Classes:
H04L9/08; H04L9/32
Domestic Patent References:
JP2006319457A
JP2006163164A
JP2005311909A
JP2011004366A
JP2006528874A
Foreign References:
US20070104323
US20060095771
Attorney, Agent or Firm:
Sumio Tanai
Masatake Shiga
Yoshifumi Saeki



 
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