JPH1173504A5 - - Google Patents
Info
- Publication number
- JPH1173504A5 JPH1173504A5 JP1997232399A JP23239997A JPH1173504A5 JP H1173504 A5 JPH1173504 A5 JP H1173504A5 JP 1997232399 A JP1997232399 A JP 1997232399A JP 23239997 A JP23239997 A JP 23239997A JP H1173504 A5 JPH1173504 A5 JP H1173504A5
- Authority
- JP
- Japan
- Prior art keywords
- authentication
- encryption key
- superimposed
- information
- authentication image
- 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.)
- Granted
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23239997A JP4034383B2 (ja) | 1997-08-28 | 1997-08-28 | 真偽判定装置および真偽判定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23239997A JP4034383B2 (ja) | 1997-08-28 | 1997-08-28 | 真偽判定装置および真偽判定方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH1173504A JPH1173504A (ja) | 1999-03-16 |
| JPH1173504A5 true JPH1173504A5 (cg-RX-API-DMAC7.html) | 2005-06-02 |
| JP4034383B2 JP4034383B2 (ja) | 2008-01-16 |
Family
ID=16938641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23239997A Expired - Fee Related JP4034383B2 (ja) | 1997-08-28 | 1997-08-28 | 真偽判定装置および真偽判定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4034383B2 (cg-RX-API-DMAC7.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3611487B2 (ja) | 1999-08-02 | 2005-01-19 | シャープ株式会社 | カラー画像形成方法およびカラー画像形成装置 |
| IL150050A0 (en) * | 1999-12-07 | 2002-12-01 | Sun Microsystems Inc | Secure photo carrying identification device, as well as means and method for authenticating such an identification device |
| JP2002074291A (ja) * | 2000-08-31 | 2002-03-15 | Oki Electric Ind Co Ltd | 個人識別媒体と媒体読取装置 |
| KR20030018444A (ko) * | 2001-08-28 | 2003-03-06 | (주)워치비젼 | 위조방지를 위한 신분증 발급 및 식별 장치와 그 방법 |
| CN106716483B (zh) * | 2014-08-12 | 2020-11-06 | 数字标记公司 | 产品包装中用于专色的数据隐藏 |
| JP6707702B1 (ja) | 2019-09-18 | 2020-06-10 | 株式会社ソリトンシステムズ | ユーザ認証装置及びプログラム |
-
1997
- 1997-08-28 JP JP23239997A patent/JP4034383B2/ja not_active Expired - Fee Related
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