发明名称 |
METHOD FOR BIOS AUTHENTICATION PRIOR TO BIOS EXECUTION |
摘要 |
A cryptographic device is implemented in communication with a host processor to prevent the host processor from performing a standard boot-up procedure until a basic input output system (BIOS) code is authenticated. This is accomplished by a cryptographic device which is addressed by the host processor during execution of a first instruction following a power-up reset. The cryptographic device includes a first integrated circuit (IC) device and a second IC device. The first IC device includes a memory to contain firmware and a root certification key. The second IC device includes logic circuitry to execute a software code to authenticate the BIOS code before permitting execution of the BIOS code by the host processor.
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申请公布号 |
US2002004905(A1) |
申请公布日期 |
2002.01.10 |
申请号 |
US19980118147 |
申请日期 |
1998.07.17 |
申请人 |
DAVIS DEREK L;MEHTA PRANAV |
发明人 |
DAVIS DEREK L;MEHTA PRANAV |
分类号 |
G06F9/445;G06F21/00;(IPC1-7):H04L9/00 |
主分类号 |
G06F9/445 |
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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