| // Copyright 2020 The Chromium OS 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 "cryptohome/auth_block.h" |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include <base/files/file_path.h> |
| #include <gtest/gtest.h> |
| |
| #include "cryptohome/crypto.h" |
| #include "cryptohome/crypto_error.h" |
| #include "cryptohome/cryptolib.h" |
| #include "cryptohome/double_wrapped_compat_auth_block.h" |
| #include "cryptohome/libscrypt_compat_auth_block.h" |
| #include "cryptohome/mock_le_credential_backend.h" |
| #include "cryptohome/mock_le_credential_manager.h" |
| #include "cryptohome/mock_tpm.h" |
| #include "cryptohome/mock_tpm_init.h" |
| #include "cryptohome/pin_weaver_auth_block.h" |
| #include "cryptohome/tpm_bound_to_pcr_auth_block.h" |
| #include "cryptohome/tpm_not_bound_to_pcr_auth_block.h" |
| #include "cryptohome/vault_keyset.h" |
| |
| using ::testing::_; |
| using ::testing::Exactly; |
| using ::testing::NiceMock; |
| using ::testing::Return; |
| |
| namespace cryptohome { |
| |
| TEST(TpmBoundToPcrTest, CreateTest) { |
| // Set up inputs to the test. |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| std::string obfuscated_username = "OBFUSCATED_USERNAME"; |
| SerializedVaultKeyset serialized; |
| |
| // Set up the mock expectations. |
| brillo::SecureBlob scrypt_derived_key(kDefaultPassBlobSize); |
| EXPECT_TRUE( |
| CryptoLib::DeriveSecretsScrypt(vault_key, salt, {&scrypt_derived_key})); |
| |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| EXPECT_CALL(tpm, SealToPcrWithAuthorization(_, _, scrypt_derived_key, _, _)) |
| .Times(Exactly(2)); |
| ON_CALL(tpm, SealToPcrWithAuthorization(_, _, _, _, _)) |
| .WillByDefault(Return(Tpm::kTpmRetryNone)); |
| |
| AuthInput user_input = {vault_key, |
| /*locked_to_single_user=*/base::nullopt, salt, |
| obfuscated_username, |
| /*reset_secret=*/base::nullopt}; |
| KeyBlobs vkk_data; |
| CryptoError error; |
| |
| TpmBoundToPcrAuthBlock auth_block(&tpm, &tpm_init); |
| auto auth_state = auth_block.Create(user_input, &vkk_data, &error); |
| EXPECT_NE(auth_state, base::nullopt); |
| |
| EXPECT_NE(vkk_data.vkk_key, base::nullopt); |
| EXPECT_NE(vkk_data.vkk_iv, base::nullopt); |
| EXPECT_NE(vkk_data.chaps_iv, base::nullopt); |
| EXPECT_NE(vkk_data.auth_iv, base::nullopt); |
| EXPECT_NE(auth_state.value().vault_keyset, base::nullopt); |
| } |
| |
| TEST(TpmBoundToPcrTest, CreateFailTest) { |
| // Set up inputs to the test. |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| std::string obfuscated_username = "OBFUSCATED_USERNAME"; |
| SerializedVaultKeyset serialized; |
| |
| // Set up the mock expectations. |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| ON_CALL(tpm, SealToPcrWithAuthorization(_, _, _, _, _)) |
| .WillByDefault(Return(Tpm::kTpmRetryFatal)); |
| |
| AuthInput user_input = {vault_key, |
| /*locked_to_single_user=*/base::nullopt, salt, |
| obfuscated_username, |
| /*reset_secret=*/base::nullopt}; |
| KeyBlobs vkk_data; |
| CryptoError error; |
| TpmBoundToPcrAuthBlock auth_block(&tpm, &tpm_init); |
| EXPECT_EQ(base::nullopt, auth_block.Create(user_input, &vkk_data, &error)); |
| } |
| |
| TEST(TpmNotBoundToPcrTest, CreateTest) { |
| // Set up inputs to the test. |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| std::string obfuscated_username = "OBFUSCATED_USERNAME"; |
| SerializedVaultKeyset serialized; |
| |
| // Set up the mock expectations. |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| brillo::SecureBlob aes_skey(kDefaultAesKeySize); |
| EXPECT_TRUE(CryptoLib::DeriveSecretsScrypt(vault_key, salt, {&aes_skey})); |
| ON_CALL(tpm, EncryptBlob(_, _, aes_skey, _)) |
| .WillByDefault(Return(Tpm::kTpmRetryNone)); |
| EXPECT_CALL(tpm, EncryptBlob(_, _, aes_skey, _)).Times(Exactly(1)); |
| |
| AuthInput user_input = {vault_key, |
| /*locked_to_single_user=*/base::nullopt, salt, |
| obfuscated_username, |
| /*reset_secret=*/base::nullopt}; |
| KeyBlobs vkk_data; |
| CryptoError error; |
| TpmNotBoundToPcrAuthBlock auth_block(&tpm, &tpm_init); |
| auto auth_state = auth_block.Create(user_input, &vkk_data, &error); |
| |
| EXPECT_NE(vkk_data.vkk_key, base::nullopt); |
| EXPECT_NE(vkk_data.vkk_iv, base::nullopt); |
| EXPECT_NE(vkk_data.chaps_iv, base::nullopt); |
| EXPECT_NE(vkk_data.auth_iv, base::nullopt); |
| EXPECT_NE(auth_state.value().vault_keyset, base::nullopt); |
| } |
| |
| TEST(TpmNotBoundToPcrTest, CreateFailTest) { |
| // Set up inputs to the test. |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| std::string obfuscated_username = "OBFUSCATED_USERNAME"; |
| SerializedVaultKeyset serialized; |
| |
| // Set up the mock expectations. |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| ON_CALL(tpm, EncryptBlob(_, _, _, _)) |
| .WillByDefault(Return(Tpm::kTpmRetryFatal)); |
| |
| AuthInput user_input = {vault_key, |
| /*locked_to_single_user=*/base::nullopt, salt, |
| obfuscated_username, |
| /*reset_secret=*/base::nullopt}; |
| KeyBlobs vkk_data; |
| CryptoError error; |
| TpmNotBoundToPcrAuthBlock auth_block(&tpm, &tpm_init); |
| EXPECT_EQ(base::nullopt, auth_block.Create(user_input, &vkk_data, &error)); |
| } |
| |
| TEST(PinWeaverAuthBlockTest, CreateTest) { |
| // Set up inputs to the test. |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| std::string obfuscated_username = "OBFUSCATED_USERNAME"; |
| brillo::SecureBlob reset_secret(32, 'S'); |
| |
| // Set up the mock expectations. |
| brillo::SecureBlob le_secret(kDefaultAesKeySize); |
| brillo::SecureBlob unused; |
| EXPECT_TRUE(CryptoLib::DeriveSecretsScrypt(vault_key, salt, |
| {&le_secret, &unused, &unused})); |
| |
| NiceMock<MockTpmInit> tpm_init; |
| NiceMock<MockLECredentialManager> le_cred_manager; |
| ON_CALL(le_cred_manager, InsertCredential(_, _, _, _, _, _)) |
| .WillByDefault(Return(LE_CRED_SUCCESS)); |
| EXPECT_CALL(le_cred_manager, InsertCredential(le_secret, _, _, _, _, _)) |
| .Times(Exactly(1)); |
| |
| // Call the Create() method. |
| AuthInput user_input = {vault_key, |
| /*locked_to_single_user=*/base::nullopt, salt, |
| obfuscated_username, reset_secret}; |
| KeyBlobs vkk_data; |
| CryptoError error; |
| |
| PinWeaverAuthBlock auth_block(&le_cred_manager, &tpm_init); |
| auto auth_state = auth_block.Create(user_input, &vkk_data, &error); |
| EXPECT_NE(base::nullopt, auth_state); |
| |
| // Copy the SerializedVaultKeyset back out. |
| SerializedVaultKeyset serialized = auth_state.value().vault_keyset.value(); |
| |
| // Check the outputs. |
| EXPECT_EQ(SerializedVaultKeyset::LE_CREDENTIAL, serialized.flags()); |
| } |
| |
| TEST(PinWeaverAuthBlockTest, CreateFailTest) { |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| std::string obfuscated_username = "OBFUSCATED_USERNAME"; |
| brillo::SecureBlob reset_secret(32, 'S'); |
| |
| // Now test that the method fails if the le_cred_manager fails. |
| NiceMock<MockTpmInit> tpm_init_fail; |
| NiceMock<MockLECredentialManager> le_cred_manager_fail; |
| ON_CALL(le_cred_manager_fail, InsertCredential(_, _, _, _, _, _)) |
| .WillByDefault(Return(LE_CRED_ERROR_HASH_TREE)); |
| |
| PinWeaverAuthBlock auth_block_fail(&le_cred_manager_fail, &tpm_init_fail); |
| // Call the Create() method. |
| AuthInput user_input = {vault_key, |
| /*locked_to_single_user=*/base::nullopt, salt, |
| obfuscated_username, reset_secret}; |
| KeyBlobs vkk_data; |
| CryptoError error; |
| EXPECT_EQ(base::nullopt, |
| auth_block_fail.Create(user_input, &vkk_data, &error)); |
| } |
| |
| TEST(PinWeaverAuthBlockTest, DeriveTest) { |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob tpm_key(20, 'B'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| brillo::SecureBlob chaps_iv(kAesBlockSize, 'F'); |
| brillo::SecureBlob fek_iv(kAesBlockSize, 'X'); |
| |
| brillo::SecureBlob le_secret(kDefaultAesKeySize); |
| ASSERT_TRUE(CryptoLib::DeriveSecretsScrypt(vault_key, salt, {&le_secret})); |
| |
| NiceMock<MockLECredentialManager> le_cred_manager; |
| |
| ON_CALL(le_cred_manager, CheckCredential(_, _, _, _)) |
| .WillByDefault(Return(LE_CRED_SUCCESS)); |
| EXPECT_CALL(le_cred_manager, CheckCredential(_, le_secret, _, _)) |
| .Times(Exactly(1)); |
| |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| PinWeaverAuthBlock auth_block(&le_cred_manager, &tpm_init); |
| |
| // Construct the vault keyset. |
| SerializedVaultKeyset serialized; |
| serialized.set_flags(SerializedVaultKeyset::LE_CREDENTIAL); |
| serialized.set_salt(salt.data(), salt.size()); |
| serialized.set_le_chaps_iv(chaps_iv.data(), chaps_iv.size()); |
| serialized.set_le_label(0); |
| serialized.set_le_fek_iv(fek_iv.data(), fek_iv.size()); |
| |
| CryptoError error; |
| KeyBlobs key_blobs; |
| AuthInput auth_input = {vault_key}; |
| AuthBlockState auth_state = { |
| base::make_optional<SerializedVaultKeyset>(std::move(serialized))}; |
| EXPECT_TRUE(auth_block.Derive(auth_input, auth_state, &key_blobs, &error)); |
| |
| // Set expectations of the key blobs. |
| EXPECT_NE(key_blobs.reset_secret, base::nullopt); |
| EXPECT_NE(key_blobs.chaps_iv, base::nullopt); |
| EXPECT_NE(key_blobs.vkk_iv, base::nullopt); |
| |
| // PinWeaver should always use unique IVs. |
| EXPECT_NE(key_blobs.chaps_iv.value(), key_blobs.vkk_iv.value()); |
| } |
| |
| TEST(PinWeaverAuthBlockTest, CheckCredentialFailureTest) { |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob tpm_key(20, 'B'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| brillo::SecureBlob chaps_iv(kAesBlockSize, 'F'); |
| brillo::SecureBlob fek_iv(kAesBlockSize, 'X'); |
| |
| brillo::SecureBlob le_secret(kDefaultAesKeySize); |
| ASSERT_TRUE(CryptoLib::DeriveSecretsScrypt(vault_key, salt, {&le_secret})); |
| |
| NiceMock<MockLECredentialManager> le_cred_manager; |
| |
| ON_CALL(le_cred_manager, CheckCredential(_, _, _, _)) |
| .WillByDefault(Return(LE_CRED_ERROR_INVALID_LE_SECRET)); |
| EXPECT_CALL(le_cred_manager, CheckCredential(_, le_secret, _, _)) |
| .Times(Exactly(1)); |
| |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| PinWeaverAuthBlock auth_block(&le_cred_manager, &tpm_init); |
| |
| // Construct the vault keyset. |
| SerializedVaultKeyset serialized; |
| serialized.set_flags(SerializedVaultKeyset::LE_CREDENTIAL); |
| serialized.set_salt(salt.data(), salt.size()); |
| serialized.set_le_chaps_iv(chaps_iv.data(), chaps_iv.size()); |
| serialized.set_le_label(0); |
| serialized.set_le_fek_iv(fek_iv.data(), fek_iv.size()); |
| |
| CryptoError error; |
| KeyBlobs key_blobs; |
| AuthInput auth_input = {vault_key}; |
| AuthBlockState auth_state = { |
| base::make_optional<SerializedVaultKeyset>(std::move(serialized))}; |
| EXPECT_FALSE(auth_block.Derive(auth_input, auth_state, &key_blobs, &error)); |
| EXPECT_EQ(CryptoError::CE_LE_INVALID_SECRET, error); |
| } |
| |
| TEST(TPMAuthBlockTest, DecryptBoundToPcrTest) { |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob tpm_key(20, 'B'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| |
| brillo::SecureBlob vkk_iv(kDefaultAesKeySize); |
| brillo::SecureBlob vkk_key; |
| |
| brillo::SecureBlob pass_blob(kDefaultPassBlobSize); |
| ASSERT_TRUE(CryptoLib::DeriveSecretsScrypt(vault_key, salt, {&pass_blob})); |
| |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| EXPECT_CALL(tpm, UnsealWithAuthorization(_, _, pass_blob, _, _)) |
| .Times(Exactly(1)); |
| |
| CryptoError error = CryptoError::CE_NONE; |
| TpmBoundToPcrAuthBlock tpm_auth_block(&tpm, &tpm_init); |
| EXPECT_TRUE(tpm_auth_block.DecryptTpmBoundToPcr(vault_key, tpm_key, salt, |
| &error, &vkk_iv, &vkk_key)); |
| EXPECT_EQ(CryptoError::CE_NONE, error); |
| } |
| |
| TEST(TPMAuthBlockTest, DecryptNotBoundToPcrTest) { |
| // Set up a SerializedVaultKeyset. In this case, it is only used to check the |
| // flags and password_rounds. |
| SerializedVaultKeyset serialized; |
| serialized.set_flags(SerializedVaultKeyset::TPM_WRAPPED | |
| SerializedVaultKeyset::SCRYPT_DERIVED); |
| |
| brillo::SecureBlob vault_key(20, 'C'); |
| brillo::SecureBlob tpm_key(20, 'B'); |
| brillo::SecureBlob salt(PKCS5_SALT_LEN, 'A'); |
| |
| brillo::SecureBlob vkk_key; |
| brillo::SecureBlob vkk_iv(kDefaultAesKeySize); |
| brillo::SecureBlob aes_key(kDefaultAesKeySize); |
| |
| ASSERT_TRUE(CryptoLib::DeriveSecretsScrypt(vault_key, salt, {&aes_key})); |
| |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| EXPECT_CALL(tpm, DecryptBlob(_, tpm_key, aes_key, _, _)).Times(Exactly(1)); |
| |
| CryptoError error = CryptoError::CE_NONE; |
| TpmNotBoundToPcrAuthBlock tpm_auth_block(&tpm, &tpm_init); |
| EXPECT_TRUE(tpm_auth_block.DecryptTpmNotBoundToPcr( |
| serialized, vault_key, tpm_key, salt, &error, &vkk_iv, &vkk_key)); |
| EXPECT_EQ(CryptoError::CE_NONE, error); |
| } |
| |
| TEST(TpmAuthBlockTest, DeriveTest) { |
| SerializedVaultKeyset serialized; |
| serialized.set_flags(SerializedVaultKeyset::TPM_WRAPPED | |
| SerializedVaultKeyset::PCR_BOUND | |
| SerializedVaultKeyset::SCRYPT_DERIVED); |
| |
| brillo::SecureBlob key(20, 'B'); |
| brillo::SecureBlob tpm_key(20, 'C'); |
| std::string salt(PKCS5_SALT_LEN, 'A'); |
| |
| serialized.set_salt(salt); |
| serialized.set_tpm_key(tpm_key.data(), tpm_key.size()); |
| |
| // Make sure TpmAuthBlock calls DecryptTpmBoundToPcr in this case. |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| EXPECT_CALL(tpm, UnsealWithAuthorization(_, _, _, _, _)).Times(Exactly(1)); |
| |
| TpmBoundToPcrAuthBlock auth_block(&tpm, &tpm_init); |
| |
| KeyBlobs key_out_data; |
| AuthInput auth_input; |
| auth_input.user_input = key; |
| auth_input.locked_to_single_user = false; |
| |
| AuthBlockState auth_state = { |
| base::make_optional<SerializedVaultKeyset>(std::move(serialized))}; |
| CryptoError error; |
| EXPECT_TRUE(auth_block.Derive(auth_input, auth_state, &key_out_data, &error)); |
| |
| // Assert that the returned key blobs isn't uninitialized. |
| EXPECT_NE(key_out_data.vkk_iv, base::nullopt); |
| EXPECT_NE(key_out_data.vkk_key, base::nullopt); |
| EXPECT_EQ(key_out_data.vkk_iv.value(), key_out_data.chaps_iv.value()); |
| } |
| |
| TEST(DoubleWrappedCompatAuthBlockTest, DeriveTest) { |
| SerializedVaultKeyset serialized; |
| serialized.set_flags(SerializedVaultKeyset::SCRYPT_WRAPPED | |
| SerializedVaultKeyset::TPM_WRAPPED); |
| |
| std::vector<uint8_t> wrapped_keyset = { |
| 0x73, 0x63, 0x72, 0x79, 0x70, 0x74, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x00, 0x00, 0x01, 0x4D, 0xEE, 0xFC, 0x79, 0x0D, 0x79, 0x08, 0x79, |
| 0xD5, 0xF6, 0x07, 0x65, 0xDF, 0x76, 0x5A, 0xAE, 0xD1, 0xBD, 0x1D, 0xCF, |
| 0x29, 0xF6, 0xFF, 0x5C, 0x31, 0x30, 0x23, 0xD1, 0x22, 0x17, 0xDF, 0x74, |
| 0x26, 0xD5, 0x11, 0x88, 0x8D, 0x40, 0xA6, 0x9C, 0xB9, 0x72, 0xCE, 0x37, |
| 0x71, 0xB7, 0x39, 0x0E, 0x3E, 0x34, 0x0F, 0x73, 0x29, 0xF4, 0x0F, 0x89, |
| 0x15, 0xF7, 0x6E, 0xA1, 0x5A, 0x29, 0x78, 0x21, 0xB7, 0xC0, 0x76, 0x50, |
| 0x14, 0x5C, 0xAD, 0x77, 0x53, 0xC9, 0xD0, 0xFE, 0xD1, 0xB9, 0x81, 0x32, |
| 0x75, 0x0E, 0x1E, 0x45, 0x34, 0xBD, 0x0B, 0xF7, 0xFA, 0xED, 0x9A, 0xD7, |
| 0x6B, 0xE4, 0x2F, 0xC0, 0x2F, 0x58, 0xBE, 0x3A, 0x26, 0xD1, 0x82, 0x41, |
| 0x09, 0x82, 0x7F, 0x17, 0xA8, 0x5C, 0x66, 0x0E, 0x24, 0x8B, 0x7B, 0xF5, |
| 0xEB, 0x0C, 0x6D, 0xAE, 0x19, 0x5C, 0x7D, 0xC4, 0x0D, 0x8D, 0xB2, 0x18, |
| 0x13, 0xD4, 0xC0, 0x32, 0x34, 0x15, 0xAE, 0x1D, 0xA1, 0x44, 0x2E, 0x80, |
| 0xD8, 0x00, 0x8A, 0xB9, 0xDD, 0xA4, 0xC0, 0x33, 0xAE, 0x26, 0xD3, 0xE6, |
| 0x53, 0xD6, 0x31, 0x5C, 0x4C, 0x10, 0xBB, 0xA9, 0xD5, 0x53, 0xD7, 0xAD, |
| 0xCD, 0x97, 0x20, 0x83, 0xFC, 0x18, 0x4B, 0x7F, 0xC1, 0xBD, 0x85, 0x43, |
| 0x12, 0x85, 0x4F, 0x6F, 0xAA, 0xDB, 0x58, 0xA0, 0x0F, 0x2C, 0xAB, 0xEA, |
| 0x74, 0x8E, 0x2C, 0x28, 0x01, 0x88, 0x48, 0xA5, 0x0A, 0xFC, 0x2F, 0xB4, |
| 0x59, 0x4B, 0xF6, 0xD9, 0xE5, 0x47, 0x94, 0x42, 0xA5, 0x61, 0x06, 0x8C, |
| 0x5A, 0x9C, 0xD3, 0xA6, 0x30, 0x2C, 0x13, 0xCA, 0xF1, 0xFF, 0xFE, 0x5C, |
| 0xE8, 0x21, 0x25, 0x9A, 0xE0, 0x50, 0xC3, 0x2F, 0x14, 0x71, 0x38, 0xD0, |
| 0xE7, 0x79, 0x5D, 0xF0, 0x71, 0x80, 0xF0, 0x3D, 0x05, 0xB6, 0xF7, 0x67, |
| 0x3F, 0x22, 0x21, 0x7A, 0xED, 0x48, 0xC4, 0x2D, 0xEA, 0x2E, 0xAE, 0xE9, |
| 0xA8, 0xFF, 0xA0, 0xB6, 0xB4, 0x0A, 0x94, 0x34, 0x40, 0xD1, 0x6C, 0x6C, |
| 0xC7, 0x90, 0x9C, 0xF7, 0xED, 0x0B, 0xED, 0x90, 0xB1, 0x4D, 0x6D, 0xB4, |
| 0x3D, 0x04, 0x7E, 0x7B, 0x16, 0x59, 0xFF, 0xFE}; |
| |
| std::vector<uint8_t> wrapped_chaps_key = { |
| 0x73, 0x63, 0x72, 0x79, 0x70, 0x74, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x00, 0x00, 0x01, 0xC9, 0x80, 0xA1, 0x30, 0x82, 0x40, 0xE6, 0xCF, |
| 0xC8, 0x59, 0xE9, 0xB6, 0xB0, 0xE8, 0xBF, 0x95, 0x82, 0x79, 0x71, 0xF9, |
| 0x86, 0x8A, 0xCA, 0x53, 0x23, 0xCF, 0x31, 0xFE, 0x4B, 0xD2, 0xA5, 0x26, |
| 0xA4, 0x46, 0x3D, 0x35, 0xEF, 0x69, 0x02, 0xC4, 0xBF, 0x72, 0xDC, 0xF8, |
| 0x90, 0x77, 0xFB, 0x59, 0x0D, 0x41, 0xCB, 0x5B, 0x58, 0xC6, 0x08, 0x0F, |
| 0x19, 0x4E, 0xC8, 0x4A, 0x57, 0xE7, 0x63, 0x43, 0x39, 0x79, 0xD7, 0x6E, |
| 0x0D, 0xD0, 0xE4, 0x4F, 0xFA, 0x55, 0x32, 0xE1, 0x6B, 0xE4, 0xFF, 0x12, |
| 0xB1, 0xA3, 0x75, 0x9C, 0x44, 0x3A, 0x16, 0x68, 0x5C, 0x11, 0xD0, 0xA5, |
| 0x4C, 0x65, 0xB0, 0xBF, 0x04, 0x41, 0x94, 0xFE, 0xC5, 0xDD, 0x5C, 0x78, |
| 0x5B, 0x14, 0xA1, 0x3F, 0x0B, 0x17, 0x9C, 0x75, 0xA5, 0x9E, 0x36, 0x14, |
| 0x5B, 0xC4, 0xAC, 0x77, 0x28, 0xDE, 0xEB, 0xB4, 0x51, 0x5F, 0x33, 0x36}; |
| |
| std::vector<uint8_t> wrapped_reset_seed = { |
| 0x73, 0x63, 0x72, 0x79, 0x70, 0x74, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x00, 0x00, 0x01, 0x7F, 0x40, 0x30, 0x51, 0x2F, 0x15, 0x62, 0x15, |
| 0xB1, 0x2E, 0x58, 0x27, 0x52, 0xE4, 0xFF, 0xC5, 0x3C, 0x1E, 0x19, 0x05, |
| 0x84, 0xD8, 0xE8, 0xD4, 0xFD, 0x8C, 0x33, 0xE8, 0x06, 0x1A, 0x38, 0x28, |
| 0x2D, 0xD7, 0x01, 0xD2, 0xB3, 0xE1, 0x95, 0xC3, 0x49, 0x63, 0x39, 0xA2, |
| 0xB2, 0xE3, 0xDA, 0xE2, 0x76, 0x40, 0x40, 0x11, 0xD1, 0x98, 0xD2, 0x03, |
| 0xFB, 0x60, 0xD0, 0xA1, 0xA5, 0xB5, 0x51, 0xAA, 0xEF, 0x6C, 0xB3, 0xAB, |
| 0x23, 0x65, 0xCA, 0x44, 0x84, 0x7A, 0x71, 0xCA, 0x0C, 0x36, 0x33, 0x7F, |
| 0x53, 0x06, 0x0E, 0x03, 0xBB, 0xC1, 0x9A, 0x9D, 0x40, 0x1C, 0x2F, 0x46, |
| 0xB7, 0x84, 0x00, 0x59, 0x5B, 0xD6, 0x53, 0xE4, 0x51, 0x82, 0xC2, 0x3D, |
| 0xF4, 0x46, 0xD2, 0xDD, 0xE5, 0x7A, 0x0A, 0xEB, 0xC8, 0x45, 0x7C, 0x37, |
| 0x01, 0xD5, 0x37, 0x4E, 0xE3, 0xC7, 0xBC, 0xC6, 0x5E, 0x25, 0xFE, 0xE2, |
| 0x05, 0x14, 0x60, 0x33, 0xB8, 0x1A, 0xF1, 0x17, 0xE1, 0x0C, 0x25, 0x00, |
| 0xA5, 0x0A, 0xD5, 0x03}; |
| |
| serialized.set_wrapped_keyset(wrapped_keyset.data(), wrapped_keyset.size()); |
| serialized.set_wrapped_chaps_key(wrapped_chaps_key.data(), |
| wrapped_chaps_key.size()); |
| serialized.set_wrapped_reset_seed(wrapped_reset_seed.data(), |
| wrapped_reset_seed.size()); |
| |
| brillo::SecureBlob key = {0x31, 0x35, 0x64, 0x64, 0x38, 0x38, 0x66, 0x36, |
| 0x35, 0x31, 0x30, 0x65, 0x30, 0x64, 0x35, 0x64, |
| 0x35, 0x35, 0x36, 0x35, 0x35, 0x35, 0x38, 0x36, |
| 0x31, 0x32, 0x62, 0x37, 0x39, 0x36, 0x30, 0x65}; |
| |
| KeyBlobs key_out_data; |
| AuthInput auth_input; |
| auth_input.user_input = key; |
| auth_input.locked_to_single_user = false; |
| |
| AuthBlockState auth_state = { |
| base::make_optional<SerializedVaultKeyset>(std::move(serialized))}; |
| |
| NiceMock<MockTpm> tpm; |
| NiceMock<MockTpmInit> tpm_init; |
| DoubleWrappedCompatAuthBlock auth_block(&tpm, &tpm_init); |
| |
| CryptoError error; |
| EXPECT_TRUE(auth_block.Derive(auth_input, auth_state, &key_out_data, &error)); |
| } |
| |
| TEST(LibScryptCompatAuthBlockTest, CreateTest) { |
| AuthInput auth_input; |
| auth_input.user_input = brillo::SecureBlob("foo"); |
| |
| KeyBlobs blobs; |
| CryptoError error; |
| |
| LibScryptCompatAuthBlock auth_block; |
| EXPECT_NE(base::nullopt, auth_block.Create(auth_input, &blobs, &error)); |
| |
| // Because the salt is generated randomly inside the auth block, this test |
| // cannot check the exact values returned. The salt() could be passed through |
| // in some test specific harness, but the underlying scrypt code is tested in |
| // so many other places, it's unnecessary. |
| EXPECT_FALSE(blobs.scrypt_key->derived_key().empty()); |
| EXPECT_FALSE(blobs.scrypt_key->ConsumeSalt().empty()); |
| |
| EXPECT_FALSE(blobs.chaps_scrypt_key->derived_key().empty()); |
| EXPECT_FALSE(blobs.chaps_scrypt_key->ConsumeSalt().empty()); |
| |
| EXPECT_FALSE(blobs.scrypt_wrapped_reset_seed_key->derived_key().empty()); |
| EXPECT_FALSE(blobs.scrypt_wrapped_reset_seed_key->ConsumeSalt().empty()); |
| } |
| |
| TEST(LibScryptCompatAuthBlockTest, DeriveTest) { |
| SerializedVaultKeyset serialized; |
| serialized.set_flags(SerializedVaultKeyset::SCRYPT_DERIVED); |
| |
| std::vector<uint8_t> wrapped_keyset = { |
| 0x73, 0x63, 0x72, 0x79, 0x70, 0x74, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x00, 0x00, 0x01, 0x4D, 0xEE, 0xFC, 0x79, 0x0D, 0x79, 0x08, 0x79, |
| 0xD5, 0xF6, 0x07, 0x65, 0xDF, 0x76, 0x5A, 0xAE, 0xD1, 0xBD, 0x1D, 0xCF, |
| 0x29, 0xF6, 0xFF, 0x5C, 0x31, 0x30, 0x23, 0xD1, 0x22, 0x17, 0xDF, 0x74, |
| 0x26, 0xD5, 0x11, 0x88, 0x8D, 0x40, 0xA6, 0x9C, 0xB9, 0x72, 0xCE, 0x37, |
| 0x71, 0xB7, 0x39, 0x0E, 0x3E, 0x34, 0x0F, 0x73, 0x29, 0xF4, 0x0F, 0x89, |
| 0x15, 0xF7, 0x6E, 0xA1, 0x5A, 0x29, 0x78, 0x21, 0xB7, 0xC0, 0x76, 0x50, |
| 0x14, 0x5C, 0xAD, 0x77, 0x53, 0xC9, 0xD0, 0xFE, 0xD1, 0xB9, 0x81, 0x32, |
| 0x75, 0x0E, 0x1E, 0x45, 0x34, 0xBD, 0x0B, 0xF7, 0xFA, 0xED, 0x9A, 0xD7, |
| 0x6B, 0xE4, 0x2F, 0xC0, 0x2F, 0x58, 0xBE, 0x3A, 0x26, 0xD1, 0x82, 0x41, |
| 0x09, 0x82, 0x7F, 0x17, 0xA8, 0x5C, 0x66, 0x0E, 0x24, 0x8B, 0x7B, 0xF5, |
| 0xEB, 0x0C, 0x6D, 0xAE, 0x19, 0x5C, 0x7D, 0xC4, 0x0D, 0x8D, 0xB2, 0x18, |
| 0x13, 0xD4, 0xC0, 0x32, 0x34, 0x15, 0xAE, 0x1D, 0xA1, 0x44, 0x2E, 0x80, |
| 0xD8, 0x00, 0x8A, 0xB9, 0xDD, 0xA4, 0xC0, 0x33, 0xAE, 0x26, 0xD3, 0xE6, |
| 0x53, 0xD6, 0x31, 0x5C, 0x4C, 0x10, 0xBB, 0xA9, 0xD5, 0x53, 0xD7, 0xAD, |
| 0xCD, 0x97, 0x20, 0x83, 0xFC, 0x18, 0x4B, 0x7F, 0xC1, 0xBD, 0x85, 0x43, |
| 0x12, 0x85, 0x4F, 0x6F, 0xAA, 0xDB, 0x58, 0xA0, 0x0F, 0x2C, 0xAB, 0xEA, |
| 0x74, 0x8E, 0x2C, 0x28, 0x01, 0x88, 0x48, 0xA5, 0x0A, 0xFC, 0x2F, 0xB4, |
| 0x59, 0x4B, 0xF6, 0xD9, 0xE5, 0x47, 0x94, 0x42, 0xA5, 0x61, 0x06, 0x8C, |
| 0x5A, 0x9C, 0xD3, 0xA6, 0x30, 0x2C, 0x13, 0xCA, 0xF1, 0xFF, 0xFE, 0x5C, |
| 0xE8, 0x21, 0x25, 0x9A, 0xE0, 0x50, 0xC3, 0x2F, 0x14, 0x71, 0x38, 0xD0, |
| 0xE7, 0x79, 0x5D, 0xF0, 0x71, 0x80, 0xF0, 0x3D, 0x05, 0xB6, 0xF7, 0x67, |
| 0x3F, 0x22, 0x21, 0x7A, 0xED, 0x48, 0xC4, 0x2D, 0xEA, 0x2E, 0xAE, 0xE9, |
| 0xA8, 0xFF, 0xA0, 0xB6, 0xB4, 0x0A, 0x94, 0x34, 0x40, 0xD1, 0x6C, 0x6C, |
| 0xC7, 0x90, 0x9C, 0xF7, 0xED, 0x0B, 0xED, 0x90, 0xB1, 0x4D, 0x6D, 0xB4, |
| 0x3D, 0x04, 0x7E, 0x7B, 0x16, 0x59, 0xFF, 0xFE}; |
| |
| std::vector<uint8_t> wrapped_chaps_key = { |
| 0x73, 0x63, 0x72, 0x79, 0x70, 0x74, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x00, 0x00, 0x01, 0xC9, 0x80, 0xA1, 0x30, 0x82, 0x40, 0xE6, 0xCF, |
| 0xC8, 0x59, 0xE9, 0xB6, 0xB0, 0xE8, 0xBF, 0x95, 0x82, 0x79, 0x71, 0xF9, |
| 0x86, 0x8A, 0xCA, 0x53, 0x23, 0xCF, 0x31, 0xFE, 0x4B, 0xD2, 0xA5, 0x26, |
| 0xA4, 0x46, 0x3D, 0x35, 0xEF, 0x69, 0x02, 0xC4, 0xBF, 0x72, 0xDC, 0xF8, |
| 0x90, 0x77, 0xFB, 0x59, 0x0D, 0x41, 0xCB, 0x5B, 0x58, 0xC6, 0x08, 0x0F, |
| 0x19, 0x4E, 0xC8, 0x4A, 0x57, 0xE7, 0x63, 0x43, 0x39, 0x79, 0xD7, 0x6E, |
| 0x0D, 0xD0, 0xE4, 0x4F, 0xFA, 0x55, 0x32, 0xE1, 0x6B, 0xE4, 0xFF, 0x12, |
| 0xB1, 0xA3, 0x75, 0x9C, 0x44, 0x3A, 0x16, 0x68, 0x5C, 0x11, 0xD0, 0xA5, |
| 0x4C, 0x65, 0xB0, 0xBF, 0x04, 0x41, 0x94, 0xFE, 0xC5, 0xDD, 0x5C, 0x78, |
| 0x5B, 0x14, 0xA1, 0x3F, 0x0B, 0x17, 0x9C, 0x75, 0xA5, 0x9E, 0x36, 0x14, |
| 0x5B, 0xC4, 0xAC, 0x77, 0x28, 0xDE, 0xEB, 0xB4, 0x51, 0x5F, 0x33, 0x36}; |
| |
| std::vector<uint8_t> wrapped_reset_seed = { |
| 0x73, 0x63, 0x72, 0x79, 0x70, 0x74, 0x00, 0x0E, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x00, 0x00, 0x01, 0x7F, 0x40, 0x30, 0x51, 0x2F, 0x15, 0x62, 0x15, |
| 0xB1, 0x2E, 0x58, 0x27, 0x52, 0xE4, 0xFF, 0xC5, 0x3C, 0x1E, 0x19, 0x05, |
| 0x84, 0xD8, 0xE8, 0xD4, 0xFD, 0x8C, 0x33, 0xE8, 0x06, 0x1A, 0x38, 0x28, |
| 0x2D, 0xD7, 0x01, 0xD2, 0xB3, 0xE1, 0x95, 0xC3, 0x49, 0x63, 0x39, 0xA2, |
| 0xB2, 0xE3, 0xDA, 0xE2, 0x76, 0x40, 0x40, 0x11, 0xD1, 0x98, 0xD2, 0x03, |
| 0xFB, 0x60, 0xD0, 0xA1, 0xA5, 0xB5, 0x51, 0xAA, 0xEF, 0x6C, 0xB3, 0xAB, |
| 0x23, 0x65, 0xCA, 0x44, 0x84, 0x7A, 0x71, 0xCA, 0x0C, 0x36, 0x33, 0x7F, |
| 0x53, 0x06, 0x0E, 0x03, 0xBB, 0xC1, 0x9A, 0x9D, 0x40, 0x1C, 0x2F, 0x46, |
| 0xB7, 0x84, 0x00, 0x59, 0x5B, 0xD6, 0x53, 0xE4, 0x51, 0x82, 0xC2, 0x3D, |
| 0xF4, 0x46, 0xD2, 0xDD, 0xE5, 0x7A, 0x0A, 0xEB, 0xC8, 0x45, 0x7C, 0x37, |
| 0x01, 0xD5, 0x37, 0x4E, 0xE3, 0xC7, 0xBC, 0xC6, 0x5E, 0x25, 0xFE, 0xE2, |
| 0x05, 0x14, 0x60, 0x33, 0xB8, 0x1A, 0xF1, 0x17, 0xE1, 0x0C, 0x25, 0x00, |
| 0xA5, 0x0A, 0xD5, 0x03}; |
| |
| serialized.set_wrapped_keyset(wrapped_keyset.data(), wrapped_keyset.size()); |
| serialized.set_wrapped_chaps_key(wrapped_chaps_key.data(), |
| wrapped_chaps_key.size()); |
| serialized.set_wrapped_reset_seed(wrapped_reset_seed.data(), |
| wrapped_reset_seed.size()); |
| |
| brillo::SecureBlob key = {0x31, 0x35, 0x64, 0x64, 0x38, 0x38, 0x66, 0x36, |
| 0x35, 0x31, 0x30, 0x65, 0x30, 0x64, 0x35, 0x64, |
| 0x35, 0x35, 0x36, 0x35, 0x35, 0x35, 0x38, 0x36, |
| 0x31, 0x32, 0x62, 0x37, 0x39, 0x36, 0x30, 0x65}; |
| |
| KeyBlobs key_out_data; |
| AuthInput auth_input; |
| auth_input.user_input = key; |
| |
| AuthBlockState auth_state = { |
| base::make_optional<SerializedVaultKeyset>(std::move(serialized))}; |
| CryptoError error; |
| LibScryptCompatAuthBlock auth_block; |
| EXPECT_TRUE(auth_block.Derive(auth_input, auth_state, &key_out_data, &error)); |
| |
| brillo::SecureBlob derived_key = { |
| 0x58, 0x2A, 0x41, 0x1F, 0xC0, 0x27, 0x2D, 0xC7, 0xF8, 0xEC, 0xA3, |
| 0x4E, 0xC0, 0x3F, 0x6C, 0x56, 0x6D, 0x88, 0x69, 0x3F, 0x50, 0x20, |
| 0x37, 0xE3, 0x77, 0x5F, 0xDD, 0xC3, 0x61, 0x2D, 0x27, 0xAD, 0xD3, |
| 0x55, 0x4D, 0x66, 0xE5, 0x83, 0xD2, 0x5E, 0x02, 0x0C, 0x22, 0x59, |
| 0x6C, 0x39, 0x35, 0x86, 0xEC, 0x46, 0xB0, 0x85, 0x89, 0xE3, 0x4C, |
| 0xB9, 0xE2, 0x0C, 0xA1, 0x27, 0x60, 0x85, 0x5A, 0x37}; |
| |
| brillo::SecureBlob derived_chaps_key = { |
| 0x16, 0x53, 0xEE, 0x4D, 0x76, 0x47, 0x68, 0x09, 0xB3, 0x39, 0x1D, |
| 0xD3, 0x6F, 0xA2, 0x8F, 0x8A, 0x3E, 0xB3, 0x64, 0xDD, 0x4D, 0xC4, |
| 0x64, 0x6F, 0xE1, 0xB8, 0x82, 0x28, 0x68, 0x72, 0x68, 0x84, 0x93, |
| 0xE2, 0xDB, 0x2F, 0x27, 0x91, 0x08, 0x2C, 0xA0, 0xD9, 0xA1, 0x6E, |
| 0x6F, 0x0E, 0x13, 0x66, 0x1D, 0x94, 0x12, 0x6F, 0xF4, 0x98, 0x7B, |
| 0x44, 0x62, 0x57, 0x47, 0x33, 0x46, 0xD2, 0x30, 0x42}; |
| |
| brillo::SecureBlob derived_reset_seed_key = { |
| 0xFA, 0x93, 0x57, 0xCE, 0x21, 0xBB, 0x82, 0x4D, 0x3A, 0x3B, 0x26, |
| 0x88, 0x8C, 0x7E, 0x61, 0x52, 0x52, 0xF0, 0x12, 0x25, 0xA3, 0x59, |
| 0xCA, 0x71, 0xD2, 0x0C, 0x52, 0x8A, 0x5B, 0x7A, 0x7D, 0xBF, 0x8E, |
| 0xC7, 0x4D, 0x1D, 0xB5, 0xF9, 0x01, 0xA6, 0xE5, 0x5D, 0x47, 0x2E, |
| 0xFD, 0x7C, 0x78, 0x1D, 0x9B, 0xAD, 0xE6, 0x71, 0x35, 0x2B, 0x32, |
| 0x1E, 0x59, 0x19, 0x47, 0x88, 0x92, 0x50, 0x28, 0x09}; |
| |
| EXPECT_EQ(derived_key, key_out_data.scrypt_key->derived_key()); |
| EXPECT_EQ(derived_chaps_key, key_out_data.chaps_scrypt_key->derived_key()); |
| EXPECT_EQ(derived_reset_seed_key, |
| key_out_data.scrypt_wrapped_reset_seed_key->derived_key()); |
| } |
| |
| } // namespace cryptohome |