Title:
TERMINAL, CENTER DEVICE, AND SYSTEM FOR CIPHER COMMUNICATION, AND RECORDING MEDIUM
Document Type and Number:
Japanese Patent JP2001127750
Kind Code:
A
Abstract:
To safely and efficiently update new cipher algorithm which is made open through a network.
A cipher communication terminal 1 which transmits or receives information through cipher communication is equipped with a communication means 7 which is cipher algorithm used for cipher communication and receives information given a digital signature, a signature verifying means 6 which verifies the digital signature as to the cipher algorithm received by the communication means, and a cipher algorithm storage part 4 which stores the cipher algorithm received by the communication means.
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Inventors:
TOCHIKUBO TAKAYA
OKADA KOJI
ENDO NAOKI
OKADA KOJI
ENDO NAOKI
Application Number:
JP30183899A
Publication Date:
May 11, 2001
Filing Date:
October 25, 1999
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G09C1/00; G06F13/00; H04L9/08; H04L9/12; H04L12/22; (IPC1-7): H04L9/12; G06F13/00; H04L9/08; H04L12/22
Attorney, Agent or Firm:
Takehiko Suzue (6 outside)