发明名称 |
Method for the secure storing of program state data in an electronic device |
摘要 |
The invention relates to a method in which program information is obtained to an execution environment in an electronic device. The program information comprises at least a program code. A key is computed of the program information and a device specific secret value. The key is used to decrypt program specific state data in the execution environment and to encrypt modified state data after the execution.
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申请公布号 |
US2008148062(A1) |
申请公布日期 |
2008.06.19 |
申请号 |
US20060638405 |
申请日期 |
2006.12.14 |
申请人 |
EKBERG JAN-ERIK;PAATERO LAURI |
发明人 |
EKBERG JAN-ERIK;PAATERO LAURI |
分类号 |
H04L9/00 |
主分类号 |
H04L9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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