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- // Copyright (c) 2011 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "crypto/symmetric_key.h"
- #include <memory>
- #include <string>
- #include "base/strings/string_number_conversions.h"
- #include "base/strings/string_util.h"
- #include "testing/gtest/include/gtest/gtest.h"
- TEST(SymmetricKeyTest, GenerateRandomKey) {
- std::unique_ptr<crypto::SymmetricKey> key(
- crypto::SymmetricKey::GenerateRandomKey(crypto::SymmetricKey::AES, 256));
- ASSERT_TRUE(key);
- EXPECT_EQ(32U, key->key().size());
- // Do it again and check that the keys are different.
- // (Note: this has a one-in-10^77 chance of failure!)
- std::unique_ptr<crypto::SymmetricKey> key2(
- crypto::SymmetricKey::GenerateRandomKey(crypto::SymmetricKey::AES, 256));
- ASSERT_TRUE(key2);
- EXPECT_EQ(32U, key2->key().size());
- EXPECT_NE(key->key(), key2->key());
- }
- TEST(SymmetricKeyTest, ImportGeneratedKey) {
- std::unique_ptr<crypto::SymmetricKey> key1(
- crypto::SymmetricKey::GenerateRandomKey(crypto::SymmetricKey::AES, 256));
- ASSERT_TRUE(key1);
- std::unique_ptr<crypto::SymmetricKey> key2(
- crypto::SymmetricKey::Import(crypto::SymmetricKey::AES, key1->key()));
- ASSERT_TRUE(key2);
- EXPECT_EQ(key1->key(), key2->key());
- }
- TEST(SymmetricKeyTest, ImportDerivedKey) {
- std::unique_ptr<crypto::SymmetricKey> key1(
- crypto::SymmetricKey::DeriveKeyFromPasswordUsingPbkdf2(
- crypto::SymmetricKey::HMAC_SHA1, "password", "somesalt", 1024, 160));
- ASSERT_TRUE(key1);
- std::unique_ptr<crypto::SymmetricKey> key2(crypto::SymmetricKey::Import(
- crypto::SymmetricKey::HMAC_SHA1, key1->key()));
- ASSERT_TRUE(key2);
- EXPECT_EQ(key1->key(), key2->key());
- }
- struct PBKDF2TestVector {
- crypto::SymmetricKey::Algorithm algorithm;
- const char* password;
- const char* salt;
- unsigned int rounds;
- unsigned int key_size_in_bits;
- const char* expected; // ASCII encoded hex bytes.
- };
- struct ScryptTestVector {
- crypto::SymmetricKey::Algorithm algorithm;
- const char* password;
- const char* salt;
- unsigned int cost_parameter;
- unsigned int block_size;
- unsigned int parallelization_parameter;
- unsigned int key_size_in_bits;
- const char* expected; // ASCII encoded hex bytes.
- };
- class SymmetricKeyDeriveKeyFromPasswordUsingPbkdf2Test
- : public testing::TestWithParam<PBKDF2TestVector> {};
- class SymmetricKeyDeriveKeyFromPasswordUsingScryptTest
- : public testing::TestWithParam<ScryptTestVector> {};
- TEST_P(SymmetricKeyDeriveKeyFromPasswordUsingPbkdf2Test,
- DeriveKeyFromPasswordUsingPbkdf2) {
- PBKDF2TestVector test_data(GetParam());
- std::unique_ptr<crypto::SymmetricKey> key(
- crypto::SymmetricKey::DeriveKeyFromPasswordUsingPbkdf2(
- test_data.algorithm, test_data.password, test_data.salt,
- test_data.rounds, test_data.key_size_in_bits));
- ASSERT_TRUE(key);
- const std::string& raw_key = key->key();
- EXPECT_EQ(test_data.key_size_in_bits / 8, raw_key.size());
- EXPECT_EQ(test_data.expected,
- base::ToLowerASCII(base::HexEncode(raw_key.data(),
- raw_key.size())));
- }
- TEST_P(SymmetricKeyDeriveKeyFromPasswordUsingScryptTest,
- DeriveKeyFromPasswordUsingScrypt) {
- const int kScryptMaxMemoryBytes = 128 * 1024 * 1024; // 128 MiB.
- ScryptTestVector test_data(GetParam());
- std::unique_ptr<crypto::SymmetricKey> key(
- crypto::SymmetricKey::DeriveKeyFromPasswordUsingScrypt(
- test_data.algorithm, test_data.password, test_data.salt,
- test_data.cost_parameter, test_data.block_size,
- test_data.parallelization_parameter, kScryptMaxMemoryBytes,
- test_data.key_size_in_bits));
- ASSERT_TRUE(key);
- const std::string& raw_key = key->key();
- EXPECT_EQ(test_data.key_size_in_bits / 8, raw_key.size());
- EXPECT_EQ(test_data.expected, base::ToLowerASCII(base::HexEncode(
- raw_key.data(), raw_key.size())));
- }
- static const PBKDF2TestVector kTestVectorsPbkdf2[] = {
- // These tests come from
- // http://www.ietf.org/id/draft-josefsson-pbkdf2-test-vectors-00.txt.
- {
- crypto::SymmetricKey::HMAC_SHA1, "password", "salt", 1, 160,
- "0c60c80f961f0e71f3a9b524af6012062fe037a6",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1, "password", "salt", 2, 160,
- "ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1, "password", "salt", 4096, 160,
- "4b007901b765489abead49d926f721d065a429c1",
- },
- // This test takes over 30s to run on the trybots.
- #if 0
- {
- crypto::SymmetricKey::HMAC_SHA1,
- "password",
- "salt",
- 16777216,
- 160,
- "eefe3d61cd4da4e4e9945b3d6ba2158c2634e984",
- },
- #endif
- // These tests come from RFC 3962, via BSD source code at
- // http://www.openbsd.org/cgi-bin/cvsweb/src/sbin/bioctl/pbkdf2.c?rev=HEAD&content-type=text/plain.
- {
- crypto::SymmetricKey::HMAC_SHA1, "password", "ATHENA.MIT.EDUraeburn", 1,
- 160, "cdedb5281bb2f801565a1122b25635150ad1f7a0",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1, "password", "ATHENA.MIT.EDUraeburn", 2,
- 160, "01dbee7f4a9e243e988b62c73cda935da05378b9",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1, "password", "ATHENA.MIT.EDUraeburn",
- 1200, 160, "5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddb",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1, "password",
- "\022"
- "4VxxV4\022", /* 0x1234567878563412 */
- 5, 160, "d1daa78615f287e6a1c8b120d7062a493f98d203",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1,
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
- "pass phrase equals block size", 1200, 160,
- "139c30c0966bc32ba55fdbf212530ac9c5ec59f1",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1,
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
- "pass phrase exceeds block size", 1200, 160,
- "9ccad6d468770cd51b10e6a68721be611a8b4d28",
- },
- {
- crypto::SymmetricKey::HMAC_SHA1,
- "\360\235\204\236", /* g-clef (0xf09d849e) */
- "EXAMPLE.COMpianist", 50, 160,
- "6b9cf26d45455a43a5b8bb276a403b39e7fe37a0",
- },
- // Regression tests for AES keys, derived from the Linux NSS implementation.
- {
- crypto::SymmetricKey::AES, "A test password", "saltsalt", 1, 256,
- "44899a7777f0e6e8b752f875f02044b8ac593de146de896f2e8a816e315a36de",
- },
- {
- crypto::SymmetricKey::AES,
- "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
- "pass phrase exceeds block size", 20, 256,
- "e0739745dc28b8721ba402e05214d2ac1eab54cf72bee1fba388297a09eb493c",
- },
- };
- static const ScryptTestVector kTestVectorsScrypt[] = {
- // From RFC 7914, "The scrypt Password-Based Key Derivation Function",
- // https://tools.ietf.org/html/rfc7914.html. The fourth test vector is
- // intentionally not used, as it would make the test significantly slower,
- // due to the very high cost parameter.
- {crypto::SymmetricKey::HMAC_SHA1, "", "", 16, 1, 1, 512,
- "77d6576238657b203b19ca42c18a0497f16b4844e3074ae8dfdffa3fede21442fcd0069de"
- "d0948f8326a753a0fc81f17e8d3e0fb2e0d3628cf35e20c38d18906"},
- {crypto::SymmetricKey::HMAC_SHA1, "password", "NaCl", 1024, 8, 16, 512,
- "fdbabe1c9d3472007856e7190d01e9fe7c6ad7cbc8237830e77376634b3731622eaf30d92"
- "e22a3886ff109279d9830dac727afb94a83ee6d8360cbdfa2cc0640"},
- {crypto::SymmetricKey::HMAC_SHA1, "pleaseletmein", "SodiumChloride", 16384,
- 8, 1, 512,
- "7023bdcb3afd7348461c06cd81fd38ebfda8fbba904f8e3ea9b543f6545da1f2d54329556"
- "13f0fcf62d49705242a9af9e61e85dc0d651e40dfcf017b45575887"}};
- INSTANTIATE_TEST_SUITE_P(All,
- SymmetricKeyDeriveKeyFromPasswordUsingPbkdf2Test,
- testing::ValuesIn(kTestVectorsPbkdf2));
- INSTANTIATE_TEST_SUITE_P(All,
- SymmetricKeyDeriveKeyFromPasswordUsingScryptTest,
- testing::ValuesIn(kTestVectorsScrypt));
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