Patent · US Active

Secure processing environment measurement and attestation

US9276750B2 · kind B2 · utility

3Cited by

4References

8Claims

0Family size

Assignee

Intel Corporation · US

Inventors

Vincent R. Scarlata · Beaverton, US
Carlos V. Rozas · Portland, US
Simon P. Johnson · Beaverton, US
Uday Savagaonkar · Redmond, US
Rebekah M. Leslie-Hurd · Portland, US
Barry E. Huntley · Hillsboro, US
Vedvyas Shanbhogue · Austin, US
Ittai Anati · Ramat HaSharon, IL
Francis X. McKeen · Portland, US
Michael A. Goldsmith · Lake Oswego, US
William Wood · Hillsboro, US
Shay Gueron · Haifa, IL

Key dates

Filing date	Jul 23, 2013
Grant date	Mar 1, 2016
Priority date	—
Expiry date	Sep 2, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/127
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Embodiments of an invention for secure processing environment measurement and attestation are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction associated with a build or a rebuild of a secure enclave. The execution unit is to execute the first instruction. Execution of the first instruction, when associated with the build, includes calculation of a first measurement and a second measurement of the secure enclave. Execution of the first instruction, when associated with the rebuild, includes calculation of the second measurement without calculation of the first measurement.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.