JPS61201386A - Conforming method for card holder - Google Patents
Conforming method for card holderInfo
- Publication number
- JPS61201386A JPS61201386A JP60041247A JP4124785A JPS61201386A JP S61201386 A JPS61201386 A JP S61201386A JP 60041247 A JP60041247 A JP 60041247A JP 4124785 A JP4124785 A JP 4124785A JP S61201386 A JPS61201386 A JP S61201386A
- Authority
- JP
- Japan
- Prior art keywords
- card
- information
- holder
- calculation formula
- variable information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はＩＣカードの使用者が本人かどうかの確認を行
う手段に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a means for confirming whether or not the user of an IC card is the principal.
（従来の技術）
この種の従来の技術としては、例えば特公昭５３−３８
９００号公報に示されているように、磁気カードの一部
に電導性物質より成る部分を設けこの磁気カードを用い
て本人かどうかの確認を行うものがある。すなわち第２
図に示す如く、磁気カード１１には文字、記号など各種
方法にて所要事項が記載される部分１４と視覚的に弁別
されると不都合な本人暗証の如き記載事項について磁気
記録方式で記載される部分１３と電導性物質の部分１２
を設けてこれらの組合せによシ磁気カードを弁別しその
不正使用の防止をはかっているものがある。(Prior art) As a conventional technology of this kind, for example,
As shown in Japanese Patent No. 900, there is a magnetic card in which a portion made of an electrically conductive material is provided as a part of the card, and this magnetic card is used to confirm whether or not the person is the person who is the cardholder. That is, the second
As shown in the figure, the magnetic card 11 has a section 14 in which necessary information is written in various ways such as letters and symbols, and information such as the personal identification number, which is inconvenient to visually distinguish, is written in a magnetic recording method. Portion 13 and conductive material portion 12
Some systems provide a combination of these to distinguish magnetic cards and prevent unauthorized use.
また従来の他の例では第３図に示すように、ＩＣカード
１にＥＥＰＲＯＭに記憶された可変情報３と矢印に示す
如く本人２が指定する暗証番号４２と同じ暗証番号４１
とを設けたものがある。In another conventional example, as shown in FIG.
There are some that have .
（発明が解決しようとする問題点）
前記の従来のカードでは、記憶領域の節減のため本人確
認に必要な暗証番号を特定の狭い領域に記録していたた
め暗証番号の露見に問題があった。(Problems to be Solved by the Invention) In the conventional card described above, the PIN number required for identity verification was recorded in a specific narrow area in order to save storage space, so there was a problem that the PIN number could be exposed.
（問題点を解決するための手段）
本発明は、本人を識別する暗証よシなるカード本人の計
算式とＩＣカードに設けたＥＥＰＲＯＭに記憶されたカ
ードの可変情報とシステム提供者が前記カードの可変情
報の関数として設けたシステムの計算式とにより構成し
、カードの可変情報からカード本人の計算式とシステム
の計算式によって検証情報を算出し確認するようにした
カード本人確認手段とした。(Means for Solving the Problems) The present invention provides a calculation formula for the card principal, which is a password for identifying the principal, variable information of the card stored in an EEPROM provided in the IC card, and a system provider. The card identity verification means is configured by a system calculation formula provided as a function of variable information, and verifies the card by calculating verification information from the card's variable information using the card principal calculation formula and the system calculation formula.
（作用）
前記の如く本発明を構成したので、本人外のカードの使
用を困難にするとともに、本人確認に必要とされるカー
ドの記憶領域が大巾に節減された。(Function) By configuring the present invention as described above, it is difficult to use a card other than the cardholder's card, and the storage area of the card required for cardholder identification is greatly reduced.
（実施例）
図を参照して本発明を説明する。第１図は本発明の一実
施例のカード本人確認手段を説明するためのブロック図
である。図において、１はＩＣカード、２は本人、３は
可変情報であシ、可変情報３はＩＣカード１の所定位置
に設けたＥＥＦＲＯＭ に記憶される。４は本人の計算
式であって暗証として用いる。５はシステムの計算式で
表わされた検証情報である。(Example) The present invention will be described with reference to the drawings. FIG. 1 is a block diagram for explaining a card identification means according to an embodiment of the present invention. In the figure, 1 is an IC card, 2 is a person, and 3 is variable information.The variable information 3 is stored in an EEFROM provided at a predetermined position of the IC card 1. 4 is the person's calculation formula and is used as a password. 5 is verification information expressed by a system calculation formula.
ＩＣカード１のショッピングなどによって変化する例え
ば残金の可変情報３がａのとき、本人の計算式４を例え
ばｆ＝ａ＋１２３ と指定するとシステムの計算式は
、例えば矢印の糸路に示すように、によって検証情報５
が算出され、その値がＩＣカード１の所定のＥＥＰＲＯ
Ｍに記憶される。For example, when the balance variable information 3 that changes due to shopping etc. on the IC card 1 is a, if the principal's calculation formula 4 is specified as f = a + 123, the system calculation formula will be as shown in the arrow path, for example. Verification information 5
is calculated, and the value is set as the predetermined EEPRO of IC card 1.
Stored in M.
このＩＣカード１を本人２が使用する場合、検証情報５
を作成したときの本人の計算式４を指定すると同一の検
証情報５の計算結果となるので、本人であることの確認
ができる。When this IC card 1 is used by person 2, verification information 5
If you specify the calculation formula 4 of the principal when creating the , the calculation result of the same verification information 5 will be obtained, so it is possible to confirm that the person is the principal.
さらに詳しく説明すると本人外の者が可変情報３のａと
、検証情報５のＦ（ｆ 、 ａ）の計算結果を検出し得
たとしても、システムの計算式を知らなければ本人の計
算式４のｆを知ることができない。To explain in more detail, even if a person other than the person is able to detect the calculation results of variable information 3 a and verification information 5 F(f, a), if he or she does not know the system's calculation formula, the person's calculation formula 4 cannot be detected. It is not possible to know f.
ここでシステムの計算式を可変情報３のａの関数とした
のは、本人２の不使用期間中に可変情報３のａが破壊さ
れても、本人２の了解のもとに本人の計算式４のｆおよ
びシステムの計算式Ｆ（ｆ、ａ）を考慮して、検証情報
５からシステム提供者が検出し得るためで、可変情報３
を複数のＥＥＰＲＯＭの記憶領域を用いて重複して記憶
する、すなわち、バックアップの必要がなく記憶領域の
大幅な節減がはかられる。Here, the system's calculation formula is a function of a of the variable information 3. Even if variable information 3 a is destroyed during the period of non-use by the person 2, the calculation formula of the system can be used with the consent of the person 2. This is because the system provider can detect it from the verification information 5 by considering f of 4 and the system calculation formula F(f, a), and the variable information 3
is redundantly stored using the storage areas of a plurality of EEPROMs, that is, there is no need for backup, and the storage area can be significantly reduced.
（発明の効果）
以上説明したように、カード本人の計算力とシステムの
計算式によってカードの可変情報から検証情報を算出し
て本人の確認を行うことから、検証情報を検出されても
本人外で使用される危険性がない。また検証情報の記憶
領域が狭くてよく、さらに残金等の重要な可変情報が破
壊された場合のパンクアップとして検証情報を利用でき
るので、それだけ記憶領域の節減をはかれる利点がある
という効果がある。(Effects of the Invention) As explained above, since the verification information is calculated from the variable information on the card using the calculation power of the card owner and the formula of the system to confirm the identity of the cardholder, even if the verification information is detected, the identity of the cardholder cannot be identified. There is no danger of it being used in In addition, the storage area for the verification information is small, and the verification information can be used as a backup in case important variable information such as balance money is destroyed, so there is an advantage that the storage area can be reduced accordingly.
第１図は本発明の一実施例のカード本人確認手段を説明
するためのブロック図。第２図は従来の磁気カードの斜
視図。第３図は従来のＩＣカードを例示するブロック図
である。
１・・・ＩＣカード、２・・・本人、３・・・ＥＥＰＲ
ＯＭに記憶された可変情報、４・・・暗証として用いる
本人の計算式、４１・・・カードに記録された暗証番号
、４２・・・本人が指定する暗証番号、５・・・システ
ムの計算式で表わされた検証情報
第１図
第２図FIG. 1 is a block diagram for explaining card identity verification means according to an embodiment of the present invention. FIG. 2 is a perspective view of a conventional magnetic card. FIG. 3 is a block diagram illustrating a conventional IC card. 1...IC card, 2...person, 3...EEPR
Variable information stored in OM, 4...Person's calculation formula used as PIN, 41...Pass code recorded on the card, 42...Pass code specified by the person, 5...System calculation Verification information expressed in formulas Figure 1 Figure 2
Claims (1)
の計算式とＩＣカードに設けたＥＥＰＲＯＭに記憶され
たカードの可変情報と システム提供者が前記カードの可変情報の関数として設
けたシステムの計算式とにより構成しカードの可変情報
からカード本人の計算式とシステムの計算式によって検
証情報を算出し確認することを特徴とするカード本人確
認手段[Scope of Claims] A calculation formula for the card principal consisting of an IC card and a password for identifying the principal, card variable information stored in an EEPROM provided in the IC card, and a system provider provided as a function of the card variable information. A card identity verification means comprising a calculation formula of a system, and calculating and confirming verification information from variable information of the card using a calculation formula of the card principal and a calculation formula of the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60041247A JPS61201386A (en) | 1985-03-04 | 1985-03-04 | Conforming method for card holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60041247A JPS61201386A (en) | 1985-03-04 | 1985-03-04 | Conforming method for card holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61201386A true JPS61201386A (en) | 1986-09-06 |
Family
ID=12603105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60041247A Pending JPS61201386A (en) | 1985-03-04 | 1985-03-04 | Conforming method for card holder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61201386A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912308A (en) * | 1987-11-10 | 1990-03-27 | Mitsubishi Denki Kabushiki Kaisha | Device and method for effecting personal identification utilizing an IC card |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5423787A (en) * | 1977-07-25 | 1979-02-22 | Toppan Printing Co Ltd | Production of printed cloth for home sewing |
| JPS5975380A (en) * | 1982-10-21 | 1984-04-28 | Dainippon Printing Co Ltd | Ic card |
| JPS5977575A (en) * | 1982-05-14 | 1984-05-04 | セ−イイ・ハニ−ウエル・ブル | Method and apparatus for verifying at least one information item stored in memory of electronic carrying body removable and portable-like card |
-
1985
- 1985-03-04 JP JP60041247A patent/JPS61201386A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5423787A (en) * | 1977-07-25 | 1979-02-22 | Toppan Printing Co Ltd | Production of printed cloth for home sewing |
| JPS5977575A (en) * | 1982-05-14 | 1984-05-04 | セ−イイ・ハニ−ウエル・ブル | Method and apparatus for verifying at least one information item stored in memory of electronic carrying body removable and portable-like card |
| JPS5975380A (en) * | 1982-10-21 | 1984-04-28 | Dainippon Printing Co Ltd | Ic card |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4912308A (en) * | 1987-11-10 | 1990-03-27 | Mitsubishi Denki Kabushiki Kaisha | Device and method for effecting personal identification utilizing an IC card |
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