unit_tests: add tests for incremental keccak

tests/unit_tests/CMakeLists.txt

@@ -50,6 +50,7 @@ set(unit_tests_sources
   get_xtype_from_string.cpp
   hashchain.cpp
   http.cpp
+  keccak.cpp
   main.cpp
   memwipe.cpp
   mnemonics.cpp

tests/unit_tests/keccak.cpp

@@ -0,0 +1,150 @@
+// Copyright (c) 2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "gtest/gtest.h"
+
+extern "C" {
+#include "crypto/keccak.h"
+}
+
+#define KECCAK_BLOCKLEN 136
+
+#define TEST_KECCAK(sz, chunks) \
+  std::string data; \
+  data.resize(sz); \
+  for (size_t i = 0; i < sz; ++i) \
+    data[i] = i * 17; \
+  uint8_t md0[32], md1[32]; \
+  keccak((const uint8_t*)data.data(), data.size(), md0, 32); \
+  KECCAK_CTX ctx; \
+  keccak_init(&ctx); \
+  size_t offset = 0; \
+  for (size_t i = 0; i < sizeof(chunks) / sizeof(chunks[0]); ++i) \
+  { \
+    ASSERT_TRUE(offset + chunks[i] <= data.size()); \
+    keccak_update(&ctx, (const uint8_t*)data.data() + offset, chunks[i]); \
+    offset += chunks[i]; \
+  } \
+  ASSERT_TRUE(offset == data.size()); \
+  keccak_finish(&ctx, md1); \
+  ASSERT_EQ(memcmp(md0, md1, 32), 0);
+
+TEST(keccak, )
+{
+}
+
+TEST(keccak, 0_and_0)
+{
+  static const size_t chunks[] = {0};
+  TEST_KECCAK(0, chunks);
+}
+
+TEST(keccak, 1_and_1)
+{
+  static const size_t chunks[] = {1};
+  TEST_KECCAK(1, chunks);
+}
+
+TEST(keccak, 1_and_0_1_0)
+{
+  static const size_t chunks[] = {0, 1, 0};
+  TEST_KECCAK(1, chunks);
+}
+
+TEST(keccak, 2_and_1_1)
+{
+  static const size_t chunks[] = {1, 1};
+  TEST_KECCAK(2, chunks);
+}
+
+TEST(keccak, 4_and_0_0_1_0_2_1_0)
+{
+  static const size_t chunks[] = {0, 0, 1, 0, 2, 1, 0};
+  TEST_KECCAK(4, chunks);
+}
+
+TEST(keccak, 15_and_1_14)
+{
+  static const size_t chunks[] = {1, 14};
+  TEST_KECCAK(15, chunks);
+}
+
+TEST(keccak, 135_and_134_1)
+{
+  static const size_t chunks[] = {134, 1};
+  TEST_KECCAK(135, chunks);
+}
+
+TEST(keccak, 135_and_135_0)
+{
+  static const size_t chunks[] = {135, 0};
+  TEST_KECCAK(135, chunks);
+}
+
+TEST(keccak, 135_and_0_135)
+{
+  static const size_t chunks[] = {0, 135};
+  TEST_KECCAK(135, chunks);
+}
+
+TEST(keccak, 136_and_135_1)
+{
+  static const size_t chunks[] = {135, 1};
+  TEST_KECCAK(136, chunks);
+}
+
+TEST(keccak, 136_and_136_0)
+{
+  static const size_t chunks[] = {136, 0};
+  TEST_KECCAK(136, chunks);
+}
+
+TEST(keccak, 136_and_0_136)
+{
+  static const size_t chunks[] = {0, 136};
+  TEST_KECCAK(136, chunks);
+}
+
+TEST(keccak, 136_and_136)
+{
+  static const size_t chunks[] = {136};
+  TEST_KECCAK(136, chunks);
+}
+
+TEST(keccak, 137_and_136_1)
+{
+  static const size_t chunks[] = {136, 1};
+  TEST_KECCAK(137, chunks);
+}
+
+TEST(keccak, 137_and_1_136)
+{
+  static const size_t chunks[] = {1, 136};
+  TEST_KECCAK(137, chunks);
+}
+