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Commit f3bc8704 authored by Hasini Gunasinghe's avatar Hasini Gunasinghe Committed by Automerger Merge Worker
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Merge "Add AuthMgr README" into main am: 91a7beb6 

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3492770



Change-Id: Ia56a700b1184a084ff33ef73ffcad0d50f003ee7
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents ae0f4180 91a7beb6

security/see/authmgr/aidl/README.md

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# AuthMgr



The AuthMgr protocol authenticates and authorizes clients before they can

access trusted HALs, AIDL-defined services in trusted execution environments.

Version 1 was designed to allow applications running in a protected virtual

machine (pVM) to access services running in a TEE in ARM TrustZone. An

implementation of `IAuthMgrAuthorization` is referred to as an AuthMgr Backend.

An implementation of a client of the AuthMgr Backend is referred to as an

AuthMgr Frontend.





## Additional Requirements by Android Version



The comments on `IAuthMgrAuthorization` describe the requirements for implementing

an AuthMgr Backend (implementor of the interface) itself. There are some additional

requirements that are specific to Android release versions.



### Android 16

If implementing `IAuthMgrAuthorization` in Android 16 only one AuthMgr Backend is

supported and dynamic service discovery is not supported. The AuthMgr Backend

service must be exposed on secure partition ID 0x8001 over VSOCK port 1.
 
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