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Added listUidsForAuthBoundKeys to KeyStore

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listUidsForAuthBoundKeys was added to IKeyStoreService.
This CL exposes this method in KeyStore for system apps.
This method will be hidden for non system apps.

Bug: b/112321280
Test: listUidsForAuthBoundKeys in IKeyStoreService has its own tests
Test: This method cannot be tested directly from CTS
Change-Id: Iac9e863079a1367ddb3a599bc3825baea96a1c31
This commit is contained in:
Rob Barnes
2018-11-13 15:57:22 -07:00
parent 4a7a3934b6
commit f1a678e0fe
1 changed files with 26 additions and 0 deletions
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26
keystore/java/android/security/KeyStore.java
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@@ -52,6 +52,7 @@ import java.math.BigInteger;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import sun.security.util.ObjectIdentifier;
@@ -292,6 +293,31 @@ public class KeyStore {
}
}
/**
* List uids of all keys that are auth bound to the current user.
* Only system is allowed to call this method.
*/
@UnsupportedAppUsage
public int[] listUidsOfAuthBoundKeys() {
final int MAX_RESULT_SIZE = 100;
int[] uidsOut = new int[MAX_RESULT_SIZE];
try {
int rc = mBinder.listUidsOfAuthBoundKeys(uidsOut);
if (rc != NO_ERROR) {
Log.w(TAG, String.format("listUidsOfAuthBoundKeys failed with error code %d", rc));
return null;
}
} catch (RemoteException e) {
Log.w(TAG, "Cannot connect to keystore", e);
return null;
} catch (android.os.ServiceSpecificException e) {
Log.w(TAG, "KeyStore exception", e);
return null;
}
// Remove any 0 entries
return Arrays.stream(uidsOut).filter(x -> x > 0).toArray();
}
public String[] list(String prefix) {
return list(prefix, UID_SELF);
}