diff options
Diffstat (limited to 'nearby/presence/np_cpp_ffi/tests/v1_private_identity_tests.cc')
| -rw-r--r-- | nearby/presence/np_cpp_ffi/tests/v1_private_identity_tests.cc | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/nearby/presence/np_cpp_ffi/tests/v1_private_identity_tests.cc b/nearby/presence/np_cpp_ffi/tests/v1_private_identity_tests.cc new file mode 100644 index 0000000..8cd0bd0 --- /dev/null +++ b/nearby/presence/np_cpp_ffi/tests/v1_private_identity_tests.cc @@ -0,0 +1,130 @@ +// Copyright 2023 Google LLC +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "nearby_protocol.h" +#include "np_cpp_test.h" +#include "gtest/gtest.h" +#include <algorithm> + +// All canned data output from np_adv/tests/examples_v1.rs +static nearby_protocol::RawAdvertisementPayload + V1AdvPrivateIdentity(nearby_protocol::ByteBuffer<255>( + {105, + { + 0x20, 0x67, 0x91, 0x10, 0x08, 0xAD, 0x69, 0x46, 0x04, 0x5D, 0xAE, + 0x6D, 0xB7, 0xF7, 0x5C, 0xD3, 0xB8, 0xAC, 0xF0, 0xBF, 0x75, 0x90, + 0x01, 0xBE, 0x73, 0x33, 0xA4, 0x76, 0x84, 0x4A, 0x09, 0x0F, 0x2B, + 0x99, 0x47, 0xDF, 0x8B, 0x46, 0xCA, 0x16, 0xCE, 0x13, 0xB5, 0x6E, + 0x53, 0xAE, 0x28, 0x56, 0x44, 0x0E, 0xA6, 0x8D, 0xEB, 0xA1, 0x11, + 0xAF, 0x4E, 0x1B, 0xE0, 0x8E, 0xF5, 0xBA, 0x90, 0x4F, 0x2E, 0x94, + 0xFC, 0xDE, 0xA6, 0x7F, 0x5D, 0xC8, 0x37, 0xB7, 0xEF, 0xCA, 0xAC, + 0x8B, 0x9F, 0x1B, 0xD4, 0xC6, 0x11, 0x85, 0xD3, 0x67, 0x39, 0x32, + 0xD1, 0x82, 0xCA, 0x4E, 0xB9, 0x46, 0x03, 0x83, 0x68, 0x56, 0x0B, + 0xCC, 0xFD, 0x7A, 0x2A, 0xBE, 0x07, + }})); + +static std::array<uint8_t, 32> key_seed = { + 0x31, 0x43, 0x63, 0x1E, 0xCA, 0xE8, 0x97, 0x4B, 0x96, 0x50, 0xCC, + 0x1C, 0x48, 0x25, 0x0E, 0x81, 0x58, 0x06, 0x81, 0x51, 0xF9, 0xEB, + 0x25, 0x23, 0x03, 0xD4, 0x97, 0x6D, 0x95, 0x19, 0x91, 0x39, +}; + +static std::array<uint8_t, 32> expected_unsigned_metadata_key_hmac = {0}; + +static std::array<uint8_t, 32> expected_signed_metadata_key_hmac = { + 0x1C, 0xBC, 0xEB, 0xDC, 0x17, 0xB5, 0x91, 0xE5, 0x07, 0x9D, 0x70, + 0xC1, 0xE8, 0x4B, 0xCC, 0xDB, 0x4B, 0x0F, 0x76, 0x83, 0x59, 0x62, + 0x0A, 0x2D, 0x55, 0x0B, 0x3B, 0x36, 0xA4, 0x92, 0x8B, 0x13, +}; + +static std::array<uint8_t, 32> public_key = { + 0x6D, 0x0D, 0xB6, 0x09, 0x10, 0xB1, 0x4E, 0xC4, 0x7E, 0x10, 0x16, + 0x14, 0x9C, 0x9F, 0xF2, 0x14, 0x0F, 0xEC, 0x53, 0x76, 0xE3, 0x07, + 0xD9, 0xD3, 0x9E, 0xAE, 0xE7, 0x45, 0x2C, 0x03, 0xEC, 0x6D, +}; + +static uint8_t encrypted_metadata[] = { + 0x09, 0xB8, 0xC6, 0x6B, 0x71, 0x43, 0x55, 0x4C, 0xB9, 0x9D, 0xBF, + 0xE4, 0xAF, 0x3E, 0xA2, 0x56, 0x0E, 0x6C, 0xBC, 0xDC, 0x3F, 0x3F, + 0x0D, 0x28, 0xD4, 0x50, 0xA9, 0xEA, 0xC3, 0x60, 0xB0, 0x81, 0x31, + 0xE2, 0x67, 0xB5, 0xC8, 0x15, 0x0C, 0xCA, 0x0B, 0x9B, 0x2C, 0x80, + 0xC1, 0xB1, 0xF6, 0x5F, 0xE1, 0x51, 0xF9, 0xE2, 0x23, 0x56, 0xD4, + 0x0B, 0x89, 0xA7, 0xF3, 0x4D, 0xE8, 0x79, 0x26, 0x44, 0x7E, 0x62, + 0xDE, 0x53, 0x13, 0x15, 0x3D, 0xFC, 0x04, 0x2E, 0x2D, 0x08, 0x43, + 0x2E, 0xE1, 0x96, 0xE8, 0x0F, 0xD0, 0xFC, 0xDE, 0x03, 0x86, 0x23, + 0xB6, 0x98, 0x85, 0x27, 0x67, 0xD8, 0x1D, 0xC3, 0xE2, 0xE0, 0xA4, + 0x32, 0x1A, 0x5F, 0x51, 0x0B, 0xA8, 0xD8, 0xA7, 0x23, 0xA4, 0x57, +}; + +TEST_F(NpCppTest, V1PrivateIdentitySimpleCase) { + auto slab_result = nearby_protocol::CredentialSlab::TryCreate(); + ASSERT_TRUE(slab_result.ok()); + + std::span<uint8_t> metadata_span(encrypted_metadata); + nearby_protocol::MatchedCredentialData match_data(123, metadata_span); + + nearby_protocol::V1MatchableCredential v1_cred( + key_seed, expected_unsigned_metadata_key_hmac, + expected_signed_metadata_key_hmac, public_key, match_data); + + auto add_result = slab_result->AddV1Credential(v1_cred); + ASSERT_EQ(add_result, absl::OkStatus()); + + auto book_result = + nearby_protocol::CredentialBook::TryCreateFromSlab(*slab_result); + ASSERT_TRUE(book_result.ok()); + + auto deserialize_result = + nearby_protocol::Deserializer::DeserializeAdvertisement( + V1AdvPrivateIdentity, *book_result); + ASSERT_EQ(deserialize_result.GetKind(), + nearby_protocol::DeserializeAdvertisementResultKind::V1); + + auto v1_adv = deserialize_result.IntoV1(); + ASSERT_EQ(v1_adv.GetNumUndecryptableSections(), 0); + ASSERT_EQ(v1_adv.GetNumLegibleSections(), 1); + + auto section = v1_adv.TryGetSection(0); + ASSERT_TRUE(section.ok()); + ASSERT_EQ(section->GetIdentityKind(), + nearby_protocol::DeserializedV1IdentityKind::Decrypted); + ASSERT_EQ(section->NumberOfDataElements(), 1); + + auto metadata = section->DecryptMetadata(); + ASSERT_TRUE(metadata.ok()); + ASSERT_EQ( + std::string("{\"uuid\":\"378845e1-2616-420d-86f5-674177a7504d\"," + "\"display_name\":\"Alice\",\"location\":\"Wonderland\"}"), + std::string(metadata->begin(), metadata->end())); + + auto identity_details = section->GetIdentityDetails(); + ASSERT_TRUE(identity_details.ok()); + ASSERT_EQ(identity_details->cred_id, 123); + ASSERT_EQ(identity_details->verification_mode, + nearby_protocol::V1VerificationMode::Signature); + ASSERT_EQ(identity_details->identity_type, + nearby_protocol::EncryptedIdentityType::Private); + + auto de = section->TryGetDataElement(0); + ASSERT_TRUE(de.ok()); + ASSERT_EQ(de->GetDataElementTypeCode(), 5); + ASSERT_EQ(de->GetPayload().ToVector(), std::vector<uint8_t>{7}); + + auto offset = de->GetOffset(); + auto derived_salt = section->DeriveSaltForOffset(offset); + ASSERT_TRUE(derived_salt.ok()); + std::array<uint8_t, 16> expected = + {94, 154, 245, 152, 164, 22, 131, 157, 8, 79, 28, 77, 236, 57, 17, 97}; + ASSERT_EQ(*derived_salt, expected); +}
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