1 files changed, 41 insertions, 0 deletions
diff --git a/security/keymint/aidl/vts/functional/KeyMintTest.cpp b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
index d2b1f4f34e..8b1eb30959 100644
--- a/security/keymint/aidl/vts/functional/KeyMintTest.cpp
+++ b/security/keymint/aidl/vts/functional/KeyMintTest.cpp
@@ -6320,7 +6320,13 @@ INSTANTIATE_KEYMINT_AIDL_TEST(DestroyAttestationIdsTest);
 
 using EarlyBootKeyTest = KeyMintAidlTestBase;
 
+/*
+ * EarlyBootKeyTest.CreateEarlyBootKeys
+ *
+ * Verifies that creating early boot keys succeeds, even at a later stage (after boot).
+ */
 TEST_P(EarlyBootKeyTest, CreateEarlyBootKeys) {
+    // Early boot keys can be created after early boot.
     auto [aesKeyData, hmacKeyData, rsaKeyData, ecdsaKeyData] =
             CreateTestKeys(TAG_EARLY_BOOT_ONLY, ErrorCode::OK);
 
@@ -6330,6 +6336,41 @@ TEST_P(EarlyBootKeyTest, CreateEarlyBootKeys) {
     CheckedDeleteKey(&ecdsaKeyData.blob);
 }
 
+/*
+ * EarlyBootKeyTest.UsetEarlyBootKeyFailure
+ *
+ * Verifies that using early boot keys at a later stage fails.
+ */
+TEST_P(EarlyBootKeyTest, UseEarlyBootKeyFailure) {
+    ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+                                                 .Authorization(TAG_NO_AUTH_REQUIRED)
+                                                 .Authorization(TAG_EARLY_BOOT_ONLY)
+                                                 .HmacKey(128)
+                                                 .Digest(Digest::SHA_2_256)
+                                                 .Authorization(TAG_MIN_MAC_LENGTH, 256)));
+    AuthorizationSet output_params;
+    EXPECT_EQ(ErrorCode::EARLY_BOOT_ENDED, Begin(KeyPurpose::SIGN, key_blob_,
+                                                 AuthorizationSetBuilder()
+                                                         .Digest(Digest::SHA_2_256)
+                                                         .Authorization(TAG_MAC_LENGTH, 256),
+                                                 &output_params));
+}
+
+/*
+ * EarlyBootKeyTest.ImportEarlyBootKeyFailure
+ *
+ * Verifies that importing early boot keys fails.
+ */
+TEST_P(EarlyBootKeyTest, ImportEarlyBootKeyFailure) {
+    ASSERT_EQ(ErrorCode::EARLY_BOOT_ENDED, ImportKey(AuthorizationSetBuilder()
+                                                             .Authorization(TAG_NO_AUTH_REQUIRED)
+                                                             .Authorization(TAG_EARLY_BOOT_ONLY)
+                                                             .EcdsaSigningKey(256)
+                                                             .Digest(Digest::SHA_2_256)
+                                                             .SetDefaultValidity(),
+                                                     KeyFormat::PKCS8, ec_256_key));
+}
+
 // This is a more comprehensive test, but it can only be run on a machine which is still in early
 // boot stage, which no proper Android device is by the time we can run VTS.  To use this,
 // un-disable it and modify vold to remove the call to earlyBootEnded().  Running the test will end