Limited use key: feature flags.

Add feature flags to indicate whether KeyMint only enforce
this feature in hardware with count == 1 or enforce with
any number of the count (>=1).

Test: compile
Change-Id: Id9c13ee91b779164bd07ff20ae2b4c0e158fdb33
Merged-In: Id9c13ee91b779164bd07ff20ae2b4c0e158fdb33

1 files changed, 18 insertions, 0 deletions

diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 31beb6e6a565..742f48c7a6a3 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -3224,6 +3224,24 @@ public abstract class PackageManager {
     @SdkConstant(SdkConstantType.FEATURE)
     public static final String FEATURE_APP_ENUMERATION = "android.software.app_enumeration";
 
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device has
+     * a Keystore implementation that can only enforce limited use key in hardware with max usage
+     * count equals to 1.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_KEYSTORE_SINGLE_USE_KEY =
+            "android.hardware.keystore.single_use_key";
+
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device has
+     * a Keystore implementation that can enforce limited use key in hardware with any max usage
+     * count (including count equals to 1).
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_KEYSTORE_LIMITED_USE_KEY =
+            "android.hardware.keystore.limited_use_key";
+
     /** @hide */
     public static final boolean APP_ENUMERATION_ENABLED_BY_DEFAULT = true;