1 // Copyright 2017 The Abseil Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "absl/random/internal/randen_hwaes.h"
16
17 #include "gmock/gmock.h"
18 #include "gtest/gtest.h"
19 #include "absl/base/internal/raw_logging.h"
20 #include "absl/random/internal/platform.h"
21 #include "absl/random/internal/randen_detect.h"
22 #include "absl/random/internal/randen_traits.h"
23 #include "absl/strings/str_format.h"
24
25 namespace {
26
27 using absl::random_internal::RandenHwAes;
28 using absl::random_internal::RandenTraits;
29
30 struct randen {
31 static constexpr size_t kStateSizeT =
32 RandenTraits::kStateBytes / sizeof(uint64_t);
33 uint64_t state[kStateSizeT];
34 static constexpr size_t kSeedSizeT =
35 RandenTraits::kSeedBytes / sizeof(uint32_t);
36 uint32_t seed[kSeedSizeT];
37 };
38
TEST(RandenHwAesTest,Default)39 TEST(RandenHwAesTest, Default) {
40 EXPECT_TRUE(absl::random_internal::CPUSupportsRandenHwAes());
41
42 constexpr uint64_t kGolden[] = {
43 0x6c6534090ee6d3ee, 0x044e2b9b9d5333c6, 0xc3c14f134e433977,
44 0xdda9f47cd90410ee, 0x887bf3087fd8ca10, 0xf0b780f545c72912,
45 0x15dbb1d37696599f, 0x30ec63baff3c6d59, 0xb29f73606f7f20a6,
46 0x02808a316f49a54c, 0x3b8feaf9d5c8e50e, 0x9cbf605e3fd9de8a,
47 0xc970ae1a78183bbb, 0xd8b2ffd356301ed5, 0xf4b327fe0fc73c37,
48 0xcdfd8d76eb8f9a19, 0xc3a506eb91420c9d, 0xd5af05dd3eff9556,
49 0x48db1bb78f83c4a1, 0x7023920e0d6bfe8c, 0x58d3575834956d42,
50 0xed1ef4c26b87b840, 0x8eef32a23e0b2df3, 0x497cabf3431154fc,
51 0x4e24370570029a8b, 0xd88b5749f090e5ea, 0xc651a582a970692f,
52 0x78fcec2cbb6342f5, 0x463cb745612f55db, 0x352ee4ad1816afe3,
53 0x026ff374c101da7e, 0x811ef0821c3de851,
54 };
55
56 alignas(16) randen d;
57 memset(d.state, 0, sizeof(d.state));
58 RandenHwAes::Generate(RandenHwAes::GetKeys(), d.state);
59
60 uint64_t* id = d.state;
61 for (const auto& elem : kGolden) {
62 auto a = absl::StrFormat("%#x", elem);
63 auto b = absl::StrFormat("%#x", *id++);
64 EXPECT_EQ(a, b);
65 }
66 }
67
68 } // namespace
69
main(int argc,char * argv[])70 int main(int argc, char* argv[]) {
71 testing::InitGoogleTest(&argc, argv);
72
73 ABSL_RAW_LOG(INFO, "ABSL_HAVE_ACCELERATED_AES=%d", ABSL_HAVE_ACCELERATED_AES);
74 ABSL_RAW_LOG(INFO, "ABSL_RANDOM_INTERNAL_AES_DISPATCH=%d",
75 ABSL_RANDOM_INTERNAL_AES_DISPATCH);
76
77 #if defined(ABSL_ARCH_X86_64)
78 ABSL_RAW_LOG(INFO, "ABSL_ARCH_X86_64");
79 #elif defined(ABSL_ARCH_X86_32)
80 ABSL_RAW_LOG(INFO, "ABSL_ARCH_X86_32");
81 #elif defined(ABSL_ARCH_AARCH64)
82 ABSL_RAW_LOG(INFO, "ABSL_ARCH_AARCH64");
83 #elif defined(ABSL_ARCH_ARM)
84 ABSL_RAW_LOG(INFO, "ABSL_ARCH_ARM");
85 #elif defined(ABSL_ARCH_PPC)
86 ABSL_RAW_LOG(INFO, "ABSL_ARCH_PPC");
87 #else
88 ABSL_RAW_LOG(INFO, "ARCH Unknown");
89 #endif
90
91 int x = absl::random_internal::HasRandenHwAesImplementation();
92 ABSL_RAW_LOG(INFO, "HasRandenHwAesImplementation = %d", x);
93
94 int y = absl::random_internal::CPUSupportsRandenHwAes();
95 ABSL_RAW_LOG(INFO, "CPUSupportsRandenHwAes = %d", x);
96
97 if (!x || !y) {
98 ABSL_RAW_LOG(INFO, "Skipping Randen HWAES tests.");
99 return 0;
100 }
101 return RUN_ALL_TESTS();
102 }
103