Electronic stamp. storage medium, high-level vertification system, moving device and vehicle start control equipment

A technology of electronic seal and storage medium, applied in the direction of transmission system, digital transmission system, safety communication device, etc., to achieve the effect of high confidentiality level

Inactive Publication Date: 2004-05-19
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This imposes a huge expense on the use of traditional systems

Method used

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  • Electronic stamp. storage medium, high-level vertification system, moving device and vehicle start control equipment
  • Electronic stamp. storage medium, high-level vertification system, moving device and vehicle start control equipment
  • Electronic stamp. storage medium, high-level vertification system, moving device and vehicle start control equipment

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0107] FIG. 1 is a block diagram of an advanced authentication system 1 according to a first example of the present invention. FIG. 1 also shows a flowchart describing the operation of the elements of the advanced authentication system 1 .

[0108] Advanced authentication system 1 comprises: remote server 2, main frame (or personal computer) 3, card reader / recorder 4, have the electronic seal 5 of the authentication function that utilizes secret key, have and secret key form key pair The card 6 and the input device 31 for the verification function of the public key. The card reader / writer 4 functions as an input / output section as a communication interface between the electronic seal 5 and the card 6 . The card 6 is a removable storage medium (contact type, portable storage medium), for example, an IC card or a memory card.

[0109] The remote server 2 has various card-related information stored as a backup.

[0110] When instructed by the input device 31 , the host 3 issues...

example 2

[0201] In the first example, an advanced authentication system 1 including an electronic seal 5 and a card 6 is described. In a second example of the present invention, a description will be given of a multimodal advanced authentication system including a multimodal electronic seal and a multimodal card for performing multimodal advanced authentication providing more functions.

[0202] Figure 7 is a block diagram depicting a multimodal advanced authentication system 10 according to a second example of the present invention. Figure 7 A flowchart describing the operation of elements of the multimodal advanced authentication system 10 is also shown. The same elements as those in FIG. 1 share the same reference numerals, and their detailed descriptions are omitted.

[0203] The multi-mode advanced verification system 10 includes a remote server 2, a host computer (or personal computer) 3, a card reader / recorder 4, a multi-mode electronic seal 7 with a verification function us...

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PUM

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Abstract

An electronic seal includes an input/output section for receiving a random number encrypted based on a prescribed key; and an advance authentication processing section for decrypting the encrypted and received random number based on a secret key related to the prescribed key and then encrypting the decrypted random number based on the secret key. The input/output section outputs the encrypted random number encrypted based on the secret key.

Description

technical field [0001] The present invention relates to an electronic seal and a storage medium, such as an IC card and a memory card, for example, used in a city office for direct transaction services between buyers and sellers and in electronic commerce, for authentication; An advanced authentication system using the electronic seal; and a mobile device, a portable telephone device, and a vehicle engine control device accommodating the electronic seal. Background technique [0002] Traditionally, seals (traditional seals) have been used to authenticate services and business transactions conducted at city offices for direct transactions between buyers and sellers. When a seal is stolen or lost for some other reason, the user can easily notice the loss and be able to take precautions against any possible damage. [0003] Recently, for example, information in the form of electronic data (digital data) has started to be used in IC cards, identification cards, electronic comme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B42D15/10G06F15/00G06F21/00G06K5/00G06K17/00G06K19/073G06K19/10G06Q10/00G06Q20/32G06Q20/34G06Q20/40G06Q40/00G06Q40/02G06Q50/00G07C9/00G07F7/10H04L9/10H04L9/32
CPCH04L2209/80G07C9/00039H04L2209/84H04L9/3271H04L2209/56G07C2009/00412G07C9/00015G07F7/1008H04L2209/12G06F2221/2103G06Q20/341G06F2221/2153G06Q20/40975G06F21/35G06F2221/2129G06F21/645G06F21/34G07C9/21G07C9/23
Inventor 张小牤
Owner SHARP KK
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