TrustZone security extension

E72124

ARM architecture extension hardware-based security technology

TrustZone security extension is ARM's hardware-based security technology that creates isolated execution environments to protect sensitive code and data on system-on-chip devices.

Jump to: Surface forms Statements Referenced by

Observed surface forms (4)

Surface form	Occurrences
ARM Secure Monitor	1
ARM TrustZone	1
Android StrongBox Keymaster	1
TrustZone security extensions	1

Statements (51)

Predicate	Object
instanceOf	ARM architecture extension ⓘ hardware-based security technology ⓘ
alsoKnownAs	TrustZone security extension ⓘ surface form: ARM TrustZone
appliesTo	ARM-based processors ⓘ system-on-chip devices ⓘ
basedOn	ARM processor privilege and security states ⓘ
componentOf	ARM security architecture ⓘ
controls	access to memory ⓘ access to peripherals ⓘ access to system resources ⓘ
developer	Arm Ltd. ⓘ surface form: Arm Limited
enforces	secure and non-secure address spaces ⓘ security boundaries between software components ⓘ
introducedIn	ARMv6 architecture family ⓘ
introduces	normal world ⓘ secure world ⓘ
provides	hardware-enforced isolation ⓘ isolated execution environment ⓘ
purpose	enable secure services on general-purpose systems ⓘ protect sensitive code ⓘ protect sensitive data ⓘ support trusted execution ⓘ
relatedTo	TrustZone security extension self-linksurface differs ⓘ surface form: ARM Secure Monitor GlobalPlatform ⓘ surface form: GlobalPlatform TEE specifications Trusted Execution Environment ⓘ
requires	hardware support in CPU ⓘ software support in firmware ⓘ software support in operating system ⓘ support in memory controller ⓘ support in system interconnect ⓘ
securityProperty	hardware isolation between secure and non-secure worlds ⓘ reduced trusted computing base for secure applications ⓘ resistance to software attacks from normal world ⓘ
supportedIn	ARMv7-A architecture ⓘ ARMv8-A ⓘ surface form: ARMv8-A architecture ARMv9-A ⓘ surface form: ARMv9-A architecture
supports	device attestation ⓘ digital rights management ⓘ secure boot ⓘ secure key storage ⓘ secure payment applications ⓘ trusted execution environment ⓘ
usedBy	Android device security architectures ⓘ Qualcomm Secure Execution Environment ⓘ Samsung Knox ⓘ
usedIn	Internet of Things devices ⓘ automotive systems ⓘ embedded systems ⓘ mobile devices ⓘ networking equipment ⓘ set-top boxes ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

TrustZone security extension → alsoKnownAs → TrustZone security extension ⓘ

this entity surface form: ARM TrustZone

ARM → hasExtension → TrustZone security extension ⓘ

TrustZone security extension → relatedTo → TrustZone security extension self-linksurface differs ⓘ

this entity surface form: ARM Secure Monitor

Acorn RISC Machine → supports → TrustZone security extension ⓘ

this entity surface form: TrustZone security extensions

Titan M security chip → supportsStandard → TrustZone security extension ⓘ

subject surface form: Titan M

this entity surface form: Android StrongBox Keymaster