SG11202105431VA - Sharing secure memory across multiple security domains - Google Patents

Sharing secure memory across multiple security domains

Info

Publication number
SG11202105431VA
SG11202105431VA SG11202105431VA SG11202105431VA SG11202105431VA SG 11202105431V A SG11202105431V A SG 11202105431VA SG 11202105431V A SG11202105431V A SG 11202105431VA SG 11202105431V A SG11202105431V A SG 11202105431VA SG 11202105431V A SG11202105431V A SG 11202105431VA
Authority
SG
Singapore
Prior art keywords
secure memory
multiple security
security domains
sharing secure
sharing
Prior art date
Application number
SG11202105431VA
Other languages
English (en)
Inventor
Fadi Busaba
Lisa Heller
Jonathan Bradbury
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Publication of SG11202105431VA publication Critical patent/SG11202105431VA/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1072—Decentralised address translation, e.g. in distributed shared memory systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45579—I/O management, e.g. providing access to device drivers or storage
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45583—Memory management, e.g. access or allocation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45587—Isolation or security of virtual machine instances
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/10—Providing a specific technical effect
    • G06F2212/1052—Security improvement

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Storage Device Security (AREA)
  • Memory System (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
SG11202105431VA 2019-03-08 2020-03-02 Sharing secure memory across multiple security domains SG11202105431VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/296,306 US11640361B2 (en) 2019-03-08 2019-03-08 Sharing secure memory across multiple security domains
PCT/EP2020/055469 WO2020182528A1 (en) 2019-03-08 2020-03-02 Sharing secure memory across multiple security domains

Publications (1)

Publication Number Publication Date
SG11202105431VA true SG11202105431VA (en) 2021-06-29

Family

ID=69743236

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202105431VA SG11202105431VA (en) 2019-03-08 2020-03-02 Sharing secure memory across multiple security domains

Country Status (9)

Country Link
US (1) US11640361B2 (https=)
EP (1) EP3935496B1 (https=)
JP (1) JP7350868B2 (https=)
KR (1) KR102738488B1 (https=)
CN (1) CN113544644B (https=)
MX (1) MX2021010590A (https=)
SG (1) SG11202105431VA (https=)
TW (1) TWI751492B (https=)
WO (1) WO2020182528A1 (https=)

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Also Published As

Publication number Publication date
MX2021010590A (es) 2021-10-13
EP3935496B1 (en) 2024-02-14
JP7350868B2 (ja) 2023-09-26
US11640361B2 (en) 2023-05-02
WO2020182528A1 (en) 2020-09-17
TW202038105A (zh) 2020-10-16
US20200285594A1 (en) 2020-09-10
JP2022522702A (ja) 2022-04-20
CN113544644B (zh) 2025-06-03
TWI751492B (zh) 2022-01-01
KR20210118153A (ko) 2021-09-29
CN113544644A (zh) 2021-10-22
EP3935496C0 (en) 2024-02-14
KR102738488B1 (ko) 2024-12-05
EP3935496A1 (en) 2022-01-12

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