INFORMATION PROCESSOR, INFORMATION COMMUNICATION SYSTEM, INFORMATION COMMUNICATION METHOD AND STORAGE MEDIUM

Title:

INFORMATION PROCESSOR, INFORMATION COMMUNICATION SYSTEM, INFORMATION COMMUNICATION METHOD AND STORAGE MEDIUM

Document Type and Number:

Japanese Patent JP2001209311

Kind Code:

A

Abstract:

To provide an information communication system which surely protects privacy of participants and realizes efficient information communication that is made suitable to the situation.

A transmitting terminal 120(i) transmits arbitrary information and authentication information to authenticate the arbitrary information to a control terminal 130 (a step S301). The terminal 130 confirms the fact that the information and the authentication information from the terminal 120(i) are consistent with each other, generates authentication information generating information so that a receiving terminal 120(j) generates the authentication information and distributes the authentication information generating information and the information and the authentication information on the terminal 120(i) to the terminal 120(j) (a step S302j).

Inventors:

OISHI KAZUOMI

Application Number:

JP2000016153A

Publication Date:

August 03, 2001

Filing Date:

January 25, 2000

Export Citation:

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Assignee:

CANON KK

International Classes:

G09C1/00; G06F13/00; H04L9/32; H04L12/54; H04L12/58; (IPC1-7): G09C1/00; G06F13/00; H04L9/32; H04L12/54; H04L12/58

Attorney, Agent or Firm:

Kokubun Takaetsu

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