JP2004004603A5 - - Google Patents
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- Publication number
- JP2004004603A5 JP2004004603A5 JP2003067218A JP2003067218A JP2004004603A5 JP 2004004603 A5 JP2004004603 A5 JP 2004004603A5 JP 2003067218 A JP2003067218 A JP 2003067218A JP 2003067218 A JP2003067218 A JP 2003067218A JP 2004004603 A5 JP2004004603 A5 JP 2004004603A5
- Authority
- JP
- Japan
- 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 |
|---|---|---|---|
| JP2003067218A JP4515716B2 (en) | 2002-04-03 | 2003-03-12 | Extended key generation device, encryption device, and encryption system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002101074 | 2002-04-03 | ||
| JP2003067218A JP4515716B2 (en) | 2002-04-03 | 2003-03-12 | Extended key generation device, encryption device, and encryption system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004004603A JP2004004603A (en) | 2004-01-08 |
| JP2004004603A5 true JP2004004603A5 (en) | 2006-03-02 |
| JP4515716B2 JP4515716B2 (en) | 2010-08-04 |
Family
ID=30446595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003067218A Expired - Fee Related JP4515716B2 (en) | 2002-04-03 | 2003-03-12 | Extended key generation device, encryption device, and encryption system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4515716B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005124681A1 (en) * | 2004-06-14 | 2005-12-29 | The University Of North Carolina At Greensboro | Systems and methods for digital content security |
| JPWO2009087972A1 (en) * | 2008-01-09 | 2011-05-26 | 日本電気株式会社 | Data transmitting apparatus, data receiving apparatus, methods thereof, computer program, and data communication system thereof |
| JP4764932B2 (en) | 2009-02-03 | 2011-09-07 | 株式会社日立製作所 | Reproduction signal evaluation method and optical disc apparatus |
| JP4764939B2 (en) * | 2009-04-14 | 2011-09-07 | 株式会社日立製作所 | Recording condition adjusting method and optical disc apparatus |
| JP4812881B2 (en) * | 2010-01-20 | 2011-11-09 | 日立コンシューマエレクトロニクス株式会社 | Recording condition adjusting method and optical disc apparatus |
| JP4877406B2 (en) * | 2010-06-03 | 2012-02-15 | 株式会社日立製作所 | Reproduction signal evaluation method and optical disc apparatus |
| KR101312374B1 (en) * | 2011-07-25 | 2013-09-27 | 소프트포럼 주식회사 | Data size adjustment apparatus and method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003596A (en) * | 1989-08-17 | 1991-03-26 | Cryptech, Inc. | Method of cryptographically transforming electronic digital data from one form to another |
| JPH06102820A (en) * | 1992-09-22 | 1994-04-15 | Sony Corp | Cyphering device |
| JPH06102821A (en) * | 1992-09-22 | 1994-04-15 | Sony Corp | Cyphering device |
| JPH0927803A (en) * | 1995-07-11 | 1997-01-28 | Nippon Telegr & Teleph Corp <Ntt> | Ciphering/deciphering device |
| JP3782210B2 (en) * | 1997-06-30 | 2006-06-07 | 日本電信電話株式会社 | Crypto device |
| JP2934431B1 (en) * | 1998-05-28 | 1999-08-16 | 日本電信電話株式会社 | Cryptographic key schedule device and program recording medium thereof |
| JP2000056679A (en) * | 1998-08-11 | 2000-02-25 | Fujitsu Ltd | Key schedule apparatus for des |
| JP2000066586A (en) * | 1998-08-24 | 2000-03-03 | Toshiba Corp | Data processor and communication system as well as recording medium |
| JP3389210B2 (en) * | 1999-08-31 | 2003-03-24 | 松下電器産業株式会社 | Extended key generation device, encryption / decryption device, extended key generation method, and storage medium |
| JP3505482B2 (en) * | 2000-07-12 | 2004-03-08 | 株式会社東芝 | Encryption device, decryption device, extended key generation device, extended key generation method, and recording medium |
| JP3942073B2 (en) * | 2000-07-13 | 2007-07-11 | 富士通株式会社 | Extended key generation device, extended key generation program, and recording medium |
| JP4596686B2 (en) * | 2001-06-13 | 2010-12-08 | 富士通株式会社 | Secure encryption against DPA |
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2003
- 2003-03-12 JP JP2003067218A patent/JP4515716B2/en not_active Expired - Fee Related