公开(公告)号：US20210117535A1

公开(公告)日：2021-04-22

申请号：US17114246

申请日：2020-12-07

Applicant: INTEL CORPORATION

Inventor： Michael LEMAY ,  David M. DURHAM ,  Michael E. KOUNAVIS ,  Barry E. HUNTLEY ,  Vedvyas SHANBHOGUE ,  Jason W. BRANDT ,  Josh TRIPLETT ,  Gilbert NEIGER ,  Karanvir GREWAL ,  Baiju PATEL ,  Ye ZHUANG ,  Jr-Shian TSAI ,  Vadim SUKHOMLINOV ,  Ravi SAHITA ,  Mingwei ZHANG ,  James C. FARWELL ,  Amitabh DAS ,  Krishna BHUYAN

IPC: G06F21/53 ,  G06F12/02

Abstract: Disclosed embodiments relate to encoded inline capabilities. In one example, a system includes a trusted execution environment (TEE) to partition an address space within a memory into a plurality of compartments each associated with code to execute a function, the TEE further to assign a message object in a heap to each compartment, receive a request from a first compartment to send a message block to a specified destination compartment, respond to the request by authenticating the request, generating a corresponding encoded capability, conveying the encoded capability to the destination compartment, and scheduling the destination compartment to respond to the request, and subsequently, respond to a check capability request from the destination compartment by checking the encoded capability and, when the check passes, providing a memory address to access the message block, and, otherwise, generating a fault, wherein each compartment is isolated from other compartments.

公开(公告)号：US20200004953A1

公开(公告)日：2020-01-02

申请号：US16024547

申请日：2018-06-29

Applicant: Intel Corporation

Inventor： Michael LEMAY ,  David M. DURHAM ,  Michael E. KOUNAVIS ,  Barry E. HUNTLEY ,  Vedvyas SHANBHOGUE ,  Jason W. BRANDT ,  Josh TRIPLETT ,  Gilbert NEIGER ,  Karanvir GREWAL ,  Baiju V. PATEL ,  Ye ZHUANG ,  Jr-Shian TSAI ,  Vadim SUKHOMLINOV ,  Ravi SAHITA ,  Mingwei ZHANG ,  James C. FARWELL ,  Amitabh DAS ,  Krishna BHUYAN

IPC: G06F21/53 ,  G06F12/02

Abstract: Disclosed embodiments relate to encoded inline capabilities. In one example, a system includes a trusted execution environment (TEE) to partition an address space within a memory into a plurality of compartments each associated with code to execute a function, the TEE further to assign a message object in a heap to each compartment, receive a request from a first compartment to send a message block to a specified destination compartment, respond to the request by authenticating the request, generating a corresponding encoded capability, conveying the encoded capability to the destination compartment, and scheduling the destination compartment to respond to the request, and subsequently, respond to a check capability request from the destination compartment by checking the encoded capability and, when the check passes, providing a memory address to access the message block, and, otherwise, generating a fault, wherein each compartment is isolated from other compartments.