Patent · US Active

System, apparatus and method for page granular, software controlled multiple key memory encryption

US10657071B2 · kind B2 · utility

6Cited by

3References

20Claims

0Family size

Assignee

Intel Corporation · US

Inventors

David M. Durham · Beaverton, US
Siddhartha Chhabra · Portland, US
Amy L. Santoni · Scottsdale, US
Gilbert Neiger · Hillsboro, US
Barry E. Huntley · Hillsboro, US
Hormuzd M. Khosravi · Hillsboro, US
Baiju V. Patel · Portland, US
Ravi L. Sahita · Portland, US
Gideon Gerzon · Jerusalem, IL
Ido Ouziel · Atlit, IL
Ioannis T. Schoinas · Portland, US
Rajesh M. Sankaran · Portland, US

Key dates

Filing date	Sep 25, 2017
Grant date	May 19, 2020
Priority date	—
Expiry date	Dec 4, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06F2212/402
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

In one embodiment, a cryptographic circuit is adapted to receive a data line including at least an encrypted portion from a memory in response to a read request having a memory address from a first agent, obtain a key identifier for a key of the first agent from the data line, obtain the key using the key identifier, decrypt the at least encrypted portion of the data line using the key and send decrypted data of the at least encrypted portion of the data line to the first agent. Other embodiments are described and claimed.

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