The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2026
Filed:
Mar. 11, 2022
Intel Corporation, Santa Clara, CA (US);
Vidhya Krishnan, Folsom, CA (US);
Siddhartha Chhabra, Portland, OR (US);
Vedvyas Shanbhogue, Austin, TX (US);
Xiaoyu Ruan, Folsom, CA (US);
Aditya Navale, Folsom, CA (US);
Julien Carreno, El Dorado Hills, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
Described herein is a paging technique that can be implemented in any accelerator with attached memory and support for operating on encrypted data when the CPU is not within the trusted compute base (TCB). Memory storing data that is encrypted using hardware physical address (HPA)-based encrypted can be paged out of accelerator device memory by decoupling encryption from the hardware physical address and re-encrypting the data for page-out. Upon page-in, the data is decrypted, the integrity and authenticity of the data is verified, then the data is re-encrypted using HPA-based encryption.