Issue #1338 - Part 2: Update NSS to 3.48-RTM

security/nss/gtests/pk11_gtest/pk11_seed_cbc_unittest.cc

@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <memory>
+#include "nss.h"
+#include "pk11pub.h"
+#include "secerr.h"
+
+#include "nss_scoped_ptrs.h"
+#include "gtest/gtest.h"
+#include "util.h"
+
+namespace nss_test {
+class Pkcs11SeedCbcTest : public ::testing::Test {
+ protected:
+  enum class Action { Encrypt, Decrypt };
+
+  SECStatus EncryptDecryptSeed(Action action, unsigned int input_size,
+                               unsigned int output_size) {
+    // Generate a random key.
+    ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
+    ScopedPK11SymKey sym_key(
+        PK11_KeyGen(slot.get(), kMech, nullptr, 16, nullptr));
+    EXPECT_TRUE(!!sym_key);
+
+    std::vector<uint8_t> data(input_size);
+    std::vector<uint8_t> init_vector(16);
+    std::vector<uint8_t> output(output_size);
+    SECItem params = {siBuffer, init_vector.data(),
+                      (unsigned int)init_vector.size()};
+
+    // Try to encrypt/decrypt.
+    unsigned int output_len = 0;
+    if (action == Action::Encrypt) {
+      return PK11_Encrypt(sym_key.get(), kMech, &params, output.data(),
+                          &output_len, output_size, data.data(), data.size());
+    } else {
+      return PK11_Decrypt(sym_key.get(), kMech, &params, output.data(),
+                          &output_len, output_size, data.data(), data.size());
+    }
+  }
+  const CK_MECHANISM_TYPE kMech = CKM_SEED_CBC;
+};
+
+// The intention here is to test the arguments of these functions
+// The resulted content is already tested in EncryptDeriveTests.
+// SEED_CBC needs an IV of 16 bytes.
+// The input data size must be multiple of 16.
+// If not, some padding should be added.
+// The output size must be at least the size of input data.
+TEST_F(Pkcs11SeedCbcTest, SeedCBC_ValidArgs) {
+  EXPECT_EQ(SECSuccess, EncryptDecryptSeed(Action::Encrypt, 16, 16));
+  EXPECT_EQ(SECSuccess, EncryptDecryptSeed(Action::Decrypt, 16, 16));
+  // No problem if maxLen is bigger than input data.
+  EXPECT_EQ(SECSuccess, EncryptDecryptSeed(Action::Encrypt, 16, 32));
+  EXPECT_EQ(SECSuccess, EncryptDecryptSeed(Action::Decrypt, 16, 32));
+}
+
+TEST_F(Pkcs11SeedCbcTest, SeedCBC_InvalidArgs) {
+  // maxLen lower than input data.
+  EXPECT_EQ(SECFailure, EncryptDecryptSeed(Action::Encrypt, 16, 10));
+  EXPECT_EQ(SECFailure, EncryptDecryptSeed(Action::Decrypt, 16, 10));
+  // input data not multiple of SEED_BLOCK_SIZE (16)
+  EXPECT_EQ(SECFailure, EncryptDecryptSeed(Action::Encrypt, 17, 32));
+  EXPECT_EQ(SECFailure, EncryptDecryptSeed(Action::Decrypt, 17, 32));
+}
+
+}  // namespace nss_test