发明名称 |
LOADING DATA ONTO AN ELECTRONIC DEVICE |
摘要 |
<p>A method of protecting an electronic device from unauthorized reprogramming, the electronic device comprising a data memory and a key memory, the method comprising loading into the key memory a predetermined public key of a cryptographic public key mechanism for verifying subsequent data items to be loaded into the data memory, the subsequent data items being signed with a corresponding private key; characterized in that the method further comprises setting a permanent identifier in the electronic device, the permanent identifier including an identifier identifying an entity authorized to reprogram the electronic device and an indicator identifying a selected one of a number of categories of public keys.</p> |
申请公布号 |
AU2003277850(A1) |
申请公布日期 |
2004.04.30 |
申请号 |
AU20030277850 |
申请日期 |
2003.09.08 |
申请人 |
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) |
发明人 |
MARCUS BODENSJO;HARRO OSTHOFF;PATRIK SCHALIN;BERNARD SMEETS |
分类号 |
G06K17/00;G06F21/22;G06Q10/08;G06Q20/34;G07F7/10;H04L9/32;(IPC1-7):H04L9/32 |
主分类号 |
G06K17/00 |
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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