| 发明名称 |
STORAGE AND RETRIEVAL OF DATA BASED ON SYMMETRIC KEY ENCRYPTION |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a method for protecting data by a general-purpose computing device. <P>SOLUTION: An encryption text including the data is generated in a form that only one or a plurality of target programs can obtain the data from the encryption text by using symmetrical encryption. A program on the calling side is allowed to access the data and only when maintainability of the data is successfully verified, the data are returned to the program on the calling side. <P>COPYRIGHT: (C)2004,JPO</p> |
| 申请公布号 |
JP2004038939(A) |
申请公布日期 |
2004.02.05 |
| 申请号 |
JP20030113503 |
申请日期 |
2003.04.17 |
| 申请人 |
MICROSOFT CORP |
发明人 |
ENGLAND PAUL;PEINADO MARCUS |
| 分类号 |
G06F12/14;G06F21/00;H04L9/08;(IPC1-7):G06F12/14 |
主分类号 |
G06F12/14 |
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