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Merge "Added LargeFinishInput test"

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Rob Barnes 2019-11-15 19:56:44 +00:00 committed by Gerrit Code Review
commit 0cd9dd3893
1 changed files with 51 additions and 0 deletions
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51
keymaster/4.0/vts/functional/keymaster_hidl_hal_test.cpp
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@ -4604,6 +4604,57 @@ TEST_F(ClearOperationsTest, ServiceDeath) {
}
}
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