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FileIntegrityManager

public final class FileIntegrityManager
extends Object

java.lang.Object
   ↳ android.security.FileIntegrityManager


This class provides access to file integrity related operations.

Summary


Public methods

boolean isApkVeritySupported()

Returns true if APK Verity is supported on the device.

boolean isAppSourceCertificateTrusted(X509Certificate certificate)

Returns whether the given certificate can be used to prove app's install source.

Inherited methods

Public methods


isApkVeritySupported

public boolean isApkVeritySupported ()

Returns true if APK Verity is supported on the device. When supported, an APK can be installed with a fs-verity signature (if verified with trusted App Source Certificate) for continuous on-access verification.

Returns
boolean

isAppSourceCertificateTrusted

public boolean isAppSourceCertificateTrusted (X509Certificate certificate)

Returns whether the given certificate can be used to prove app's install source. Always return false if the feature is not supported.

A store can use this API to decide if a signature file needs to be downloaded. Also, if a store has shipped different certificates before (e.g. with stronger and weaker key), it can also use this API to download the best signature on the running device.
Requires Manifest.permission.INSTALL_PACKAGES or Manifest.permission.REQUEST_INSTALL_PACKAGES

Parameters
certificate X509Certificate: This value cannot be null.

Returns
boolean whether the certificate is trusted in the system

Throws
CertificateEncodingException

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