1 files changed, 66 insertions, 0 deletions
diff --git a/nss/gtests/pk11_gtest/pk11_export_unittest.cc b/nss/gtests/pk11_gtest/pk11_export_unittest.cc
new file mode 100644
index 0000000..e5d5ae8
--- /dev/null
+++ b/nss/gtests/pk11_gtest/pk11_export_unittest.cc
@@ -0,0 +1,66 @@
+/* -*- 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 "gtest/gtest.h"
+#include "scoped_ptrs.h"
+
+namespace nss_test {
+
+class Pkcs11ExportTest : public ::testing::Test {
+ public:
+  void Derive(bool is_export) {
+    ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
+    EXPECT_TRUE(slot.get());
+
+    uint8_t keyData[48] = {0};
+    SECItem keyItem = {siBuffer, (unsigned char*)keyData, sizeof(keyData)};
+
+    CK_MECHANISM_TYPE mechanism = CKM_NSS_TLS_KEY_AND_MAC_DERIVE_SHA256;
+    ScopedPK11SymKey baseKey(PK11_ImportSymKey(
+        slot.get(), mechanism, PK11_OriginUnwrap, CKA_WRAP, &keyItem, nullptr));
+    EXPECT_TRUE(baseKey.get());
+
+    CK_SSL3_KEY_MAT_OUT kmo;
+    kmo.hClientMacSecret = CK_INVALID_HANDLE;
+    kmo.hServerMacSecret = CK_INVALID_HANDLE;
+    kmo.hClientKey = CK_INVALID_HANDLE;
+    kmo.hServerKey = CK_INVALID_HANDLE;
+
+    CK_BYTE iv[8];
+    kmo.pIVClient = iv;
+    kmo.pIVServer = iv;
+
+    CK_SSL3_KEY_MAT_PARAMS kmp;
+    kmp.ulMacSizeInBits = 256;
+    kmp.ulKeySizeInBits = 128;
+    kmp.ulIVSizeInBits = 64;
+    kmp.pReturnedKeyMaterial = &kmo;
+    kmp.bIsExport = is_export;
+
+    unsigned char random[32] = {0};
+    kmp.RandomInfo.pClientRandom = random;
+    kmp.RandomInfo.ulClientRandomLen = sizeof(random);
+    kmp.RandomInfo.pServerRandom = random;
+    kmp.RandomInfo.ulServerRandomLen = sizeof(random);
+
+    SECItem params = {siBuffer, (unsigned char*)&kmp, sizeof(kmp)};
+    ScopedPK11SymKey symKey(PK11_Derive(baseKey.get(), mechanism, &params,
+                                        CKM_SHA512_HMAC, CKA_SIGN, 16));
+
+    // Deriving must fail when is_export=true.
+    EXPECT_EQ(!symKey.get(), is_export);
+  }
+};
+
+TEST_F(Pkcs11ExportTest, DeriveNonExport) { Derive(false); }
+
+TEST_F(Pkcs11ExportTest, DeriveExport) { Derive(true); }
+
+}  // namespace nss_test