Skip JsonMacTests for older devices
Skip the empty input case for pre-Q launch devices as there
is no proper support in the HAL to handle this.
Bug: 372450980
Test: run cts -m CtsKeystoreWycheproofTestCases -t com.google.security.wycheproof.JsonMacTest
Change-Id: Ifff8f31022fe23edd1d9e51152e8a405d6bcdc23
diff --git a/keystore-cts/java/com/google/security/wycheproof/testcases/JsonMacTest.java b/keystore-cts/java/com/google/security/wycheproof/testcases/JsonMacTest.java
index d813d02..a311798 100644
--- a/keystore-cts/java/com/google/security/wycheproof/testcases/JsonMacTest.java
+++ b/keystore-cts/java/com/google/security/wycheproof/testcases/JsonMacTest.java
@@ -29,15 +29,19 @@
import org.junit.After;
import org.junit.Test;
import org.junit.Ignore;
+import android.os.Build;
import android.security.keystore.KeyProtection;
import android.security.keystore.KeyProperties;
import java.io.IOException;
import android.keystore.cts.util.KeyStoreUtil;
+import android.keystore.cts.util.TestUtils;
+import android.util.Log;
/** This test uses test vectors in JSON format to test MAC primitives. */
public class JsonMacTest {
private static final String EXPECTED_PROVIDER_NAME = TestUtil.EXPECTED_CRYPTO_OP_PROVIDER_NAME;
private static final String KEY_ALIAS_1 = "Key1";
+ private static final String TAG = JsonMacTest.class.getSimpleName();
@After
public void tearDown() throws Exception {
@@ -135,6 +139,11 @@
byte[] key = getBytes(testcase, "key");
byte[] msg = getBytes(testcase, "msg");
byte[] expectedTag = getBytes(testcase, "tag");
+ // Skip empty bytes on older devices that cannot handle them.
+ if ((msg.length == 0) && (TestUtils.getVendorApiLevel() <= Build.VERSION_CODES.P)) {
+ Log.d(TAG, "Skipping test for unsupported input on pre-Q launch device.");
+ continue;
+ }
// Strongbox only supports key size from 8 to 32 bytes.
if (isStrongBox && (key.length < 8 || key.length > 32)) {
continue;
