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78 lines
3.0 KiB
78 lines
3.0 KiB
/* |
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* Copyright 2015 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include "hkdf.h" |
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#include <gtest/gtest.h> |
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#include <string.h> |
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#include "android_keymaster_test_utils.h" |
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using std::string; |
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namespace keymaster { |
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namespace test { |
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struct HkdfTest { |
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const char* key_hex; |
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const char* salt_hex; |
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const char* info_hex; |
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const char* output_hex; |
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}; |
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// These test cases are taken from |
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// https://tools.ietf.org/html/rfc5869#appendix-A. |
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static const HkdfTest kHkdfTests[] = { |
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{ |
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"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", "000102030405060708090a0b0c", |
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"f0f1f2f3f4f5f6f7f8f9", |
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"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865", |
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}, |
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{ |
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"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c" |
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"2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f", |
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"606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c" |
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"8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf", |
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"b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdc" |
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"dddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff", |
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"b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c59045a99cac7827271cb41c65e" |
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"590e09da3275600c2f09b8367793a9aca3db71cc30c58179ec3e87c14c01d5c1f3434f1d87", |
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}, |
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{ |
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"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", "", "", |
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"8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d9d201395faa4b61a96c8", |
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}, |
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}; |
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TEST(HkdfTest, Hkdf) { |
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for (auto& test : kHkdfTests) { |
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const string key = hex2str(test.key_hex); |
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const string salt = hex2str(test.salt_hex); |
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const string info = hex2str(test.info_hex); |
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const string expected = hex2str(test.output_hex); |
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size_t output_len = expected.size(); |
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uint8_t output[output_len]; |
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Rfc5869Sha256Kdf hkdf; |
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ASSERT_TRUE(hkdf.Init(reinterpret_cast<const uint8_t*>(key.data()), key.size(), |
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reinterpret_cast<const uint8_t*>(salt.data()), salt.size())); |
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ASSERT_TRUE(hkdf.GenerateKey(reinterpret_cast<const uint8_t*>(info.data()), info.size(), |
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output, output_len)); |
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EXPECT_EQ(0, memcmp(output, expected.data(), output_len)); |
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} |
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} |
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} // namespace test |
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} // namespace keymaster
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