Merge "Added LargeFinishInput test"
am: 0cd9dd3893
Change-Id: Icbee15dfb693ac1e39fcdfd6007bddcdd9edf294
diff --git a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
index acacb8b..0e12283 100644
--- a/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
+++ b/keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
@@ -4604,6 +4604,57 @@
}
}
+typedef KeymasterHidlTest TransportLimitTest;
+
+/*
+ * TransportLimitTest.LargeFinishInput
+ *
+ * Verifies that passing large input data to finish either succeeds or fails as expected.
+ */
+TEST_F(TransportLimitTest, LargeFinishInput) {
+ ASSERT_EQ(ErrorCode::OK, GenerateKey(AuthorizationSetBuilder()
+ .Authorization(TAG_NO_AUTH_REQUIRED)
+ .AesEncryptionKey(128)
+ .BlockMode(BlockMode::ECB)
+ .Padding(PaddingMode::NONE)));
+
+ for (int msg_size = 10 /*1KB*/; msg_size <= 17 /*128KB*/; msg_size++) {
+ auto cipher_params =
+ AuthorizationSetBuilder().BlockMode(BlockMode::ECB).Padding(PaddingMode::NONE);
+
+ AuthorizationSet out_params;
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::ENCRYPT, cipher_params, &out_params));
+
+ string plain_message = std::string(1 << msg_size, 'x');
+ string encrypted_message;
+ auto rc = Finish(plain_message, &encrypted_message);
+
+ if (rc == ErrorCode::OK) {
+ EXPECT_EQ(plain_message.size(), encrypted_message.size())
+ << "Encrypt finish returned OK, but did not consume all of the given input";
+ } else {
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, rc)
+ << "Encrypt finish failed in an unexpected way when given a large input";
+ continue;
+ }
+ cipher_params.push_back(out_params);
+
+ EXPECT_EQ(ErrorCode::OK, Begin(KeyPurpose::DECRYPT, cipher_params));
+
+ string decrypted_message;
+ rc = Finish(encrypted_message, &decrypted_message);
+
+ if (rc == ErrorCode::OK) {
+ EXPECT_EQ(plain_message.size(), decrypted_message.size())
+ << "Decrypt finish returned OK, did not consume all of the given input";
+ } else {
+ EXPECT_EQ(ErrorCode::INVALID_INPUT_LENGTH, rc)
+ << "Encrypt finish failed in an unexpected way when given a large input";
+ }
+ }
+
+ CheckedDeleteKey();
+}
} // namespace test
} // namespace V4_0