发明名称 |
METHOD AND APPARATUS FOR SECURELY SAVING AND RESTORING THE STATE OF A COMPUTING PLATFORM |
摘要 |
An apparatus and method for securely suspending and resuming the state of a processor. For example, one embodiment of a method comprises: generating a data structure including at least the monotonic counter value; generating a message authentication code (MAC) over the data structure using a first key; securely providing the data structure and the MAC to a module executed on the processor; the module verifying the MAC, comparing the monotonic counter value with a counter value stored during a previous suspend operation and, if the counter values match, then loading processor state required for the resume operation to complete. Another embodiment of a method comprises: generating a first key by a processor; securely sharing the first key with an off-processor component; and using the first key to generate a pairing ID usable to identify a pairing between the processor and the off-processor component. |
申请公布号 |
US2015334114(A1) |
申请公布日期 |
2015.11.19 |
申请号 |
US201414281651 |
申请日期 |
2014.05.19 |
申请人 |
INTEL CORPORATION |
发明人 |
SCARLATA VINCENT;JOHNSON SIMON;ROZAS CARLOS;MCKEEN FRANCIS;ANATI ITTAI;ALEXANDROVICH ILYA;LESLIE-HURD REBEKAH |
分类号 |
H04L29/06 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
1. A method comprising:
reading a monotonic counter value in response to detecting a processor resume operation; generating a data structure including at least the monotonic counter value; generating a message authentication code (MAC) over the data structure using a first key; securely providing the data structure and the MAC to a module executed on the processor; the module verifying the MAC, comparing the monotonic counter value with a counter value stored during a previous suspend operation and, if the counter values match, then loading processor state required for the resume operation to complete. |
地址 |
SANTA CLARA CA US |