| /* |
| * |
| * Copyright (c) 2022 Project CHIP Authors |
| * |
| * 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 <crypto/CHIPCryptoPAL.h> |
| #include <lib/support/Base64.h> |
| #include <lib/support/BytesToHex.h> |
| #include <platform/ASR/ASRConfig.h> |
| #include <platform/ASR/ASRFactoryDataProvider.h> |
| #include <platform/CHIPDeviceConfig.h> |
| #include <platform/CHIPDeviceError.h> |
| |
| namespace chip { |
| namespace DeviceLayer { |
| |
| using namespace chip::Credentials; |
| using namespace chip::DeviceLayer::Internal; |
| |
| namespace { |
| static constexpr uint32_t kDACPrivateKeySize = 32; |
| static constexpr uint32_t kDACPublicKeySize = 65; |
| |
| CHIP_ERROR LoadKeypairFromRaw(ByteSpan privateKey, ByteSpan publicKey, Crypto::P256Keypair & keypair) |
| { |
| Crypto::P256SerializedKeypair serializedKeypair; |
| ReturnErrorOnFailure(serializedKeypair.SetLength(privateKey.size() + publicKey.size())); |
| memcpy(serializedKeypair.Bytes(), publicKey.data(), publicKey.size()); |
| memcpy(serializedKeypair.Bytes() + publicKey.size(), privateKey.data(), privateKey.size()); |
| return keypair.Deserialize(serializedKeypair); |
| } |
| } // namespace |
| |
| CHIP_ERROR ASRFactoryDataProvider::Init() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| #if CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| uint8_t ret = asr_factory_check(); |
| if (ret != 0) |
| { |
| err = CHIP_ERROR_INTERNAL; |
| ChipLogError(DeviceLayer, "The hash of factory bin is not correct."); |
| } |
| #endif |
| return err; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetSetupDiscriminator(uint16_t & setupDiscriminator) |
| { |
| uint32_t setupDiscriminator32; |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #if defined(CHIP_DEVICE_CONFIG_USE_TEST_SETUP_DISCRIMINATOR) && CHIP_DEVICE_CONFIG_USE_TEST_SETUP_DISCRIMINATOR |
| setupDiscriminator32 = CHIP_DEVICE_CONFIG_USE_TEST_SETUP_DISCRIMINATOR; |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif // defined(CHIP_DEVICE_CONFIG_USE_TEST_SETUP_DISCRIMINATOR) && CHIP_DEVICE_CONFIG_USE_TEST_SETUP_DISCRIMINATOR |
| #else |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_DISCRIMINATOR_PARTITION, setupDiscriminator32)); |
| #endif |
| VerifyOrReturnLogError(setupDiscriminator32 <= kMaxDiscriminatorValue, CHIP_ERROR_INVALID_ARGUMENT); |
| setupDiscriminator = static_cast<uint16_t>(setupDiscriminator32); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetSpake2pIterationCount(uint32_t & iterationCount) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #if defined(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_ITERATION_COUNT) && CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_ITERATION_COUNT |
| iterationCount = CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_ITERATION_COUNT; |
| return CHIP_NO_ERROR; |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif // defined(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_ITERATION_COUNT) && CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_ITERATION_COUNT |
| #else |
| return ASRConfig::ReadFactoryConfigValue(ASR_ITERATION_COUNT_PARTITION, iterationCount); |
| #endif |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetSpake2pSalt(MutableByteSpan & saltBuf) |
| { |
| static constexpr size_t kSpake2pSalt_MaxBase64Len = BASE64_ENCODED_LEN(chip::Crypto::kSpake2p_Max_PBKDF_Salt_Length) + 1; |
| |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| char saltB64[kSpake2pSalt_MaxBase64Len] = { 0 }; |
| size_t saltB64Len = 0; |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #if defined(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_SALT) |
| saltB64Len = strlen(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_SALT); |
| ReturnErrorCodeIf(saltB64Len > sizeof(saltB64), CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(saltB64, CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_SALT, saltB64Len); |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif // defined(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_SALT) |
| #else |
| err = ASRConfig::ReadFactoryConfigValue(ASR_SALT_PARTITION, reinterpret_cast<uint8_t *>(saltB64), kSpake2pSalt_MaxBase64Len, |
| saltB64Len); |
| #endif |
| ReturnErrorOnFailure(err); |
| |
| size_t saltLen = chip::Base64Decode32(saltB64, saltB64Len, reinterpret_cast<uint8_t *>(saltB64)); |
| ReturnErrorCodeIf(saltLen > saltBuf.size(), CHIP_ERROR_BUFFER_TOO_SMALL); |
| |
| memcpy(saltBuf.data(), saltB64, saltLen); |
| saltBuf.reduce_size(saltLen); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetSpake2pVerifier(MutableByteSpan & verifierBuf, size_t & verifierLen) |
| { |
| static constexpr size_t kSpake2pSerializedVerifier_MaxBase64Len = |
| BASE64_ENCODED_LEN(chip::Crypto::kSpake2p_VerifierSerialized_Length) + 1; |
| |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| char verifierB64[kSpake2pSerializedVerifier_MaxBase64Len] = { 0 }; |
| size_t verifierB64Len = 0; |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #if defined(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_VERIFIER) |
| verifierB64Len = strlen(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_VERIFIER); |
| ReturnErrorCodeIf(verifierB64Len > sizeof(verifierB64), CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(verifierB64, CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_VERIFIER, verifierB64Len); |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif // defined(CHIP_DEVICE_CONFIG_USE_TEST_SPAKE2P_VERIFIER) |
| #else |
| err = ASRConfig::ReadFactoryConfigValue(ASR_VERIFIER_PARTITION, reinterpret_cast<uint8_t *>(verifierB64), |
| kSpake2pSerializedVerifier_MaxBase64Len, verifierB64Len); |
| #endif |
| ReturnErrorOnFailure(err); |
| |
| verifierLen = chip::Base64Decode32(verifierB64, verifierB64Len, reinterpret_cast<uint8_t *>(verifierB64)); |
| ReturnErrorCodeIf(verifierLen > verifierBuf.size(), CHIP_ERROR_BUFFER_TOO_SMALL); |
| |
| memcpy(verifierBuf.data(), verifierB64, verifierLen); |
| verifierBuf.reduce_size(verifierLen); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| #define USE_EXAMPLES_DAC // VID:0xFFF1 PID:0x8001 |
| |
| #if CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #undef USE_EXAMPLES_DAC |
| #endif |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetCertificationDeclaration(MutableByteSpan & outBuffer) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #ifdef USE_EXAMPLES_DAC |
| //-> format_version = 1 |
| //-> vendor_id = 0xFFF1 |
| //-> product_id_array = [ 0x8000, 0x8001, 0x8002, 0x8003, 0x8004, 0x8005, 0x8006, 0x8007, 0x8008, 0x8009, 0x800A, 0x800B, |
| // 0x800C, 0x800D, 0x800E, 0x800F, 0x8010, 0x8011, 0x8012, 0x8013, 0x8014, 0x8015, 0x8016, 0x8017, 0x8018, 0x8019, 0x801A, |
| // 0x801B, 0x801C, 0x801D, 0x801E, 0x801F, 0x8020, 0x8021, 0x8022, 0x8023, 0x8024, 0x8025, 0x8026, 0x8027, 0x8028, 0x8029, |
| // 0x802A, 0x802B, 0x802C, 0x802D, 0x802E, 0x802F, 0x8030, 0x8031, 0x8032, 0x8033, 0x8034, 0x8035, 0x8036, 0x8037, 0x8038, |
| // 0x8039, 0x803A, 0x803B, 0x803C, 0x803D, 0x803E, 0x803F, 0x8040, 0x8041, 0x8042, 0x8043, 0x8044, 0x8045, 0x8046, 0x8047, |
| // 0x8048, 0x8049, 0x804A, 0x804B, 0x804C, 0x804D, 0x804E, 0x804F, 0x8050, 0x8051, 0x8052, 0x8053, 0x8054, 0x8055, 0x8056, |
| // 0x8057, 0x8058, 0x8059, 0x805A, 0x805B, 0x805C, 0x805D, 0x805E, 0x805F, 0x8060, 0x8061, 0x8062, 0x8063 ] |
| //-> device_type_id = 0x0016 |
| //-> certificate_id = "ZIG20142ZB330003-24" |
| //-> security_level = 0 |
| //-> security_information = 0 |
| //-> version_number = 0x2694 |
| //-> certification_type = 0 |
| //-> dac_origin_vendor_id is not present |
| //-> dac_origin_product_id is not present |
| const uint8_t kCdForAllExamples[] = { |
| 0x30, 0x82, 0x02, 0x19, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x02, 0xa0, 0x82, 0x02, 0x0a, 0x30, |
| 0x82, 0x02, 0x06, 0x02, 0x01, 0x03, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, |
| 0x01, 0x30, 0x82, 0x01, 0x71, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x82, 0x01, 0x62, |
| 0x04, 0x82, 0x01, 0x5e, 0x15, 0x24, 0x00, 0x01, 0x25, 0x01, 0xf1, 0xff, 0x36, 0x02, 0x05, 0x00, 0x80, 0x05, 0x01, 0x80, |
| 0x05, 0x02, 0x80, 0x05, 0x03, 0x80, 0x05, 0x04, 0x80, 0x05, 0x05, 0x80, 0x05, 0x06, 0x80, 0x05, 0x07, 0x80, 0x05, 0x08, |
| 0x80, 0x05, 0x09, 0x80, 0x05, 0x0a, 0x80, 0x05, 0x0b, 0x80, 0x05, 0x0c, 0x80, 0x05, 0x0d, 0x80, 0x05, 0x0e, 0x80, 0x05, |
| 0x0f, 0x80, 0x05, 0x10, 0x80, 0x05, 0x11, 0x80, 0x05, 0x12, 0x80, 0x05, 0x13, 0x80, 0x05, 0x14, 0x80, 0x05, 0x15, 0x80, |
| 0x05, 0x16, 0x80, 0x05, 0x17, 0x80, 0x05, 0x18, 0x80, 0x05, 0x19, 0x80, 0x05, 0x1a, 0x80, 0x05, 0x1b, 0x80, 0x05, 0x1c, |
| 0x80, 0x05, 0x1d, 0x80, 0x05, 0x1e, 0x80, 0x05, 0x1f, 0x80, 0x05, 0x20, 0x80, 0x05, 0x21, 0x80, 0x05, 0x22, 0x80, 0x05, |
| 0x23, 0x80, 0x05, 0x24, 0x80, 0x05, 0x25, 0x80, 0x05, 0x26, 0x80, 0x05, 0x27, 0x80, 0x05, 0x28, 0x80, 0x05, 0x29, 0x80, |
| 0x05, 0x2a, 0x80, 0x05, 0x2b, 0x80, 0x05, 0x2c, 0x80, 0x05, 0x2d, 0x80, 0x05, 0x2e, 0x80, 0x05, 0x2f, 0x80, 0x05, 0x30, |
| 0x80, 0x05, 0x31, 0x80, 0x05, 0x32, 0x80, 0x05, 0x33, 0x80, 0x05, 0x34, 0x80, 0x05, 0x35, 0x80, 0x05, 0x36, 0x80, 0x05, |
| 0x37, 0x80, 0x05, 0x38, 0x80, 0x05, 0x39, 0x80, 0x05, 0x3a, 0x80, 0x05, 0x3b, 0x80, 0x05, 0x3c, 0x80, 0x05, 0x3d, 0x80, |
| 0x05, 0x3e, 0x80, 0x05, 0x3f, 0x80, 0x05, 0x40, 0x80, 0x05, 0x41, 0x80, 0x05, 0x42, 0x80, 0x05, 0x43, 0x80, 0x05, 0x44, |
| 0x80, 0x05, 0x45, 0x80, 0x05, 0x46, 0x80, 0x05, 0x47, 0x80, 0x05, 0x48, 0x80, 0x05, 0x49, 0x80, 0x05, 0x4a, 0x80, 0x05, |
| 0x4b, 0x80, 0x05, 0x4c, 0x80, 0x05, 0x4d, 0x80, 0x05, 0x4e, 0x80, 0x05, 0x4f, 0x80, 0x05, 0x50, 0x80, 0x05, 0x51, 0x80, |
| 0x05, 0x52, 0x80, 0x05, 0x53, 0x80, 0x05, 0x54, 0x80, 0x05, 0x55, 0x80, 0x05, 0x56, 0x80, 0x05, 0x57, 0x80, 0x05, 0x58, |
| 0x80, 0x05, 0x59, 0x80, 0x05, 0x5a, 0x80, 0x05, 0x5b, 0x80, 0x05, 0x5c, 0x80, 0x05, 0x5d, 0x80, 0x05, 0x5e, 0x80, 0x05, |
| 0x5f, 0x80, 0x05, 0x60, 0x80, 0x05, 0x61, 0x80, 0x05, 0x62, 0x80, 0x05, 0x63, 0x80, 0x18, 0x24, 0x03, 0x16, 0x2c, 0x04, |
| 0x13, 0x5a, 0x49, 0x47, 0x32, 0x30, 0x31, 0x34, 0x32, 0x5a, 0x42, 0x33, 0x33, 0x30, 0x30, 0x30, 0x33, 0x2d, 0x32, 0x34, |
| 0x24, 0x05, 0x00, 0x24, 0x06, 0x00, 0x25, 0x07, 0x94, 0x26, 0x24, 0x08, 0x00, 0x18, 0x31, 0x7d, 0x30, 0x7b, 0x02, 0x01, |
| 0x03, 0x80, 0x14, 0x62, 0xfa, 0x82, 0x33, 0x59, 0xac, 0xfa, 0xa9, 0x96, 0x3e, 0x1c, 0xfa, 0x14, 0x0a, 0xdd, 0xf5, 0x04, |
| 0xf3, 0x71, 0x60, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0a, 0x06, 0x08, |
| 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x04, 0x47, 0x30, 0x45, 0x02, 0x20, 0x24, 0xe5, 0xd1, 0xf4, 0x7a, 0x7d, |
| 0x7b, 0x0d, 0x20, 0x6a, 0x26, 0xef, 0x69, 0x9b, 0x7c, 0x97, 0x57, 0xb7, 0x2d, 0x46, 0x90, 0x89, 0xde, 0x31, 0x92, 0xe6, |
| 0x78, 0xc7, 0x45, 0xe7, 0xf6, 0x0c, 0x02, 0x21, 0x00, 0xf8, 0xaa, 0x2f, 0xa7, 0x11, 0xfc, 0xb7, 0x9b, 0x97, 0xe3, 0x97, |
| 0xce, 0xda, 0x66, 0x7b, 0xae, 0x46, 0x4e, 0x2b, 0xd3, 0xff, 0xdf, 0xc3, 0xcc, 0xed, 0x7a, 0xa8, 0xca, 0x5f, 0x4c, 0x1a, |
| 0x7c, |
| }; |
| return CopySpanToMutableSpan(ByteSpan{ kCdForAllExamples }, outBuffer); |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif |
| #else |
| size_t certSize; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_CERT_DCLRN_PARTITION, outBuffer.data(), outBuffer.size(), certSize)); |
| outBuffer.reduce_size(certSize); |
| return CHIP_NO_ERROR; |
| #endif |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetFirmwareInformation(MutableByteSpan & out_firmware_info_buffer) |
| { |
| // We do not provide any FirmwareInformation. |
| out_firmware_info_buffer.reduce_size(0); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetDeviceAttestationCert(MutableByteSpan & outBuffer) |
| { |
| size_t certSize; |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #ifdef USE_EXAMPLES_DAC |
| const uint8_t kDacCert[] = { |
| 0x30, 0x82, 0x01, 0xe7, 0x30, 0x82, 0x01, 0x8e, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x69, 0xcd, 0xf1, 0x0d, 0xe9, |
| 0xe5, 0x4e, 0xd1, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x3d, 0x31, 0x25, 0x30, |
| 0x23, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1c, 0x4d, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20, 0x44, 0x65, 0x76, 0x20, 0x50, |
| 0x41, 0x49, 0x20, 0x30, 0x78, 0x46, 0x46, 0x46, 0x31, 0x20, 0x6e, 0x6f, 0x20, 0x50, 0x49, 0x44, 0x31, 0x14, 0x30, 0x12, |
| 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x02, 0x01, 0x0c, 0x04, 0x46, 0x46, 0x46, 0x31, 0x30, 0x20, |
| 0x17, 0x0d, 0x32, 0x32, 0x30, 0x32, 0x30, 0x35, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x18, 0x0f, 0x39, 0x39, 0x39, |
| 0x39, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33, 0x35, 0x39, 0x35, 0x39, 0x5a, 0x30, 0x53, 0x31, 0x25, 0x30, 0x23, 0x06, 0x03, |
| 0x55, 0x04, 0x03, 0x0c, 0x1c, 0x4d, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20, 0x44, 0x65, 0x76, 0x20, 0x44, 0x41, 0x43, 0x20, |
| 0x30, 0x78, 0x46, 0x46, 0x46, 0x31, 0x2f, 0x30, 0x78, 0x38, 0x30, 0x30, 0x31, 0x31, 0x14, 0x30, 0x12, 0x06, 0x0a, 0x2b, |
| 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x02, 0x01, 0x0c, 0x04, 0x46, 0x46, 0x46, 0x31, 0x31, 0x14, 0x30, 0x12, 0x06, |
| 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x02, 0x02, 0x0c, 0x04, 0x38, 0x30, 0x30, 0x31, 0x30, 0x59, 0x30, |
| 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, |
| 0x03, 0x42, 0x00, 0x04, 0x46, 0x3a, 0xc6, 0x93, 0x42, 0x91, 0x0a, 0x0e, 0x55, 0x88, 0xfc, 0x6f, 0xf5, 0x6b, 0xb6, 0x3e, |
| 0x62, 0xec, 0xce, 0xcb, 0x14, 0x8f, 0x7d, 0x4e, 0xb0, 0x3e, 0xe5, 0x52, 0x60, 0x14, 0x15, 0x76, 0x7d, 0x16, 0xa5, 0xc6, |
| 0x63, 0xf7, 0x93, 0xe4, 0x91, 0x23, 0x26, 0x0b, 0x82, 0x97, 0xa7, 0xcd, 0x7e, 0x7c, 0xfc, 0x7b, 0x31, 0x6b, 0x39, 0xd9, |
| 0x8e, 0x90, 0xd2, 0x93, 0x77, 0x73, 0x8e, 0x82, 0xa3, 0x60, 0x30, 0x5e, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, |
| 0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, |
| 0x07, 0x80, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x88, 0xdd, 0xe7, 0xb3, 0x00, 0x38, 0x29, |
| 0x32, 0xcf, 0xf7, 0x34, 0xc0, 0x46, 0x24, 0x81, 0x0f, 0x44, 0x16, 0x8a, 0x6f, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, |
| 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x63, 0x54, 0x0e, 0x47, 0xf6, 0x4b, 0x1c, 0x38, 0xd1, 0x38, 0x84, 0xa4, 0x62, 0xd1, |
| 0x6c, 0x19, 0x5d, 0x8f, 0xfb, 0x3c, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x47, |
| 0x00, 0x30, 0x44, 0x02, 0x20, 0x01, 0x27, 0xa2, 0x7b, 0x4b, 0x44, 0x61, 0x0e, 0xe2, 0xfc, 0xdc, 0x4d, 0x2b, 0x78, 0x85, |
| 0x56, 0x36, 0x60, 0xbc, 0x0f, 0x76, 0xf1, 0x72, 0x19, 0xed, 0x6a, 0x08, 0xdf, 0xb2, 0xb3, 0xc1, 0xcd, 0x02, 0x20, 0x6b, |
| 0x59, 0xe0, 0xaf, 0x45, 0xf3, 0xeb, 0x2a, 0x85, 0xb9, 0x19, 0xd3, 0x57, 0x31, 0x52, 0x8c, 0x60, 0x28, 0xc4, 0x15, 0x23, |
| 0x95, 0x45, 0xe1, 0x08, 0xe4, 0xe5, 0x4e, 0x70, 0x97, 0x13, 0x53, |
| }; |
| return CopySpanToMutableSpan(ByteSpan{ kDacCert }, outBuffer); |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif |
| #else |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_DAC_CERT_PARTITION, outBuffer.data(), outBuffer.size(), certSize)); |
| #endif |
| outBuffer.reduce_size(certSize); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetProductAttestationIntermediateCert(MutableByteSpan & outBuffer) |
| { |
| size_t certSize; |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #ifdef USE_EXAMPLES_DAC |
| const uint8_t kPaiCert[] = { |
| 0x30, 0x82, 0x01, 0xcb, 0x30, 0x82, 0x01, 0x71, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x56, 0xad, 0x82, 0x22, 0xad, |
| 0x94, 0x5b, 0x64, 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x30, 0x31, 0x18, 0x30, |
| 0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x4d, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, |
| 0x50, 0x41, 0x41, 0x31, 0x14, 0x30, 0x12, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x02, 0x01, 0x0c, |
| 0x04, 0x46, 0x46, 0x46, 0x31, 0x30, 0x20, 0x17, 0x0d, 0x32, 0x32, 0x30, 0x32, 0x30, 0x35, 0x30, 0x30, 0x30, 0x30, 0x30, |
| 0x30, 0x5a, 0x18, 0x0f, 0x39, 0x39, 0x39, 0x39, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33, 0x35, 0x39, 0x35, 0x39, 0x5a, 0x30, |
| 0x3d, 0x31, 0x25, 0x30, 0x23, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1c, 0x4d, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20, 0x44, |
| 0x65, 0x76, 0x20, 0x50, 0x41, 0x49, 0x20, 0x30, 0x78, 0x46, 0x46, 0x46, 0x31, 0x20, 0x6e, 0x6f, 0x20, 0x50, 0x49, 0x44, |
| 0x31, 0x14, 0x30, 0x12, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x02, 0x01, 0x0c, 0x04, 0x46, 0x46, |
| 0x46, 0x31, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, |
| 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x41, 0x9a, 0x93, 0x15, 0xc2, 0x17, 0x3e, 0x0c, 0x8c, 0x87, 0x6d, |
| 0x03, 0xcc, 0xfc, 0x94, 0x48, 0x52, 0x64, 0x7f, 0x7f, 0xec, 0x5e, 0x50, 0x82, 0xf4, 0x05, 0x99, 0x28, 0xec, 0xa8, 0x94, |
| 0xc5, 0x94, 0x15, 0x13, 0x09, 0xac, 0x63, 0x1e, 0x4c, 0xb0, 0x33, 0x92, 0xaf, 0x68, 0x4b, 0x0b, 0xaf, 0xb7, 0xe6, 0x5b, |
| 0x3b, 0x81, 0x62, 0xc2, 0xf5, 0x2b, 0xf9, 0x31, 0xb8, 0xe7, 0x7a, 0xaa, 0x82, 0xa3, 0x66, 0x30, 0x64, 0x30, 0x12, 0x06, |
| 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x08, 0x30, 0x06, 0x01, 0x01, 0xff, 0x02, 0x01, 0x00, 0x30, 0x0e, 0x06, |
| 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x01, 0x06, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, |
| 0x04, 0x16, 0x04, 0x14, 0x63, 0x54, 0x0e, 0x47, 0xf6, 0x4b, 0x1c, 0x38, 0xd1, 0x38, 0x84, 0xa4, 0x62, 0xd1, 0x6c, 0x19, |
| 0x5d, 0x8f, 0xfb, 0x3c, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x6a, 0xfd, 0x22, |
| 0x77, 0x1f, 0x51, 0x1f, 0xec, 0xbf, 0x16, 0x41, 0x97, 0x67, 0x10, 0xdc, 0xdc, 0x31, 0xa1, 0x71, 0x7e, 0x30, 0x0a, 0x06, |
| 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, 0x48, 0x00, 0x30, 0x45, 0x02, 0x21, 0x00, 0xb2, 0xef, 0x27, |
| 0xf4, 0x9a, 0xe9, 0xb5, 0x0f, 0xb9, 0x1e, 0xea, 0xc9, 0x4c, 0x4d, 0x0b, 0xdb, 0xb8, 0xd7, 0x92, 0x9c, 0x6c, 0xb8, 0x8f, |
| 0xac, 0xe5, 0x29, 0x36, 0x8d, 0x12, 0x05, 0x4c, 0x0c, 0x02, 0x20, 0x65, 0x5d, 0xc9, 0x2b, 0x86, 0xbd, 0x90, 0x98, 0x82, |
| 0xa6, 0xc6, 0x21, 0x77, 0xb8, 0x25, 0xd7, 0xd0, 0x5e, 0xdb, 0xe7, 0xc2, 0x2f, 0x9f, 0xea, 0x71, 0x22, 0x0e, 0x7e, 0xa7, |
| 0x03, 0xf8, 0x91, |
| }; |
| return CopySpanToMutableSpan(ByteSpan{ kPaiCert }, outBuffer); |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif |
| #else |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_PAI_CERT_PARTITION, outBuffer.data(), outBuffer.size(), certSize)); |
| #endif |
| outBuffer.reduce_size(certSize); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::SignWithDeviceAttestationKey(const ByteSpan & messageToSign, MutableByteSpan & outSignBuffer) |
| { |
| Crypto::P256ECDSASignature signature; |
| Crypto::P256Keypair keypair; |
| |
| VerifyOrReturnError(IsSpanUsable(outSignBuffer), CHIP_ERROR_INVALID_ARGUMENT); |
| VerifyOrReturnError(IsSpanUsable(messageToSign), CHIP_ERROR_INVALID_ARGUMENT); |
| VerifyOrReturnError(outSignBuffer.size() >= signature.Capacity(), CHIP_ERROR_BUFFER_TOO_SMALL); |
| |
| #if !CONFIG_ENABLE_ASR_FACTORY_DATA_PROVIDER |
| #ifdef USE_EXAMPLES_DAC |
| const uint8_t kDacPublicKey[] = { |
| 0x04, 0x46, 0x3a, 0xc6, 0x93, 0x42, 0x91, 0x0a, 0x0e, 0x55, 0x88, 0xfc, 0x6f, 0xf5, 0x6b, 0xb6, 0x3e, |
| 0x62, 0xec, 0xce, 0xcb, 0x14, 0x8f, 0x7d, 0x4e, 0xb0, 0x3e, 0xe5, 0x52, 0x60, 0x14, 0x15, 0x76, 0x7d, |
| 0x16, 0xa5, 0xc6, 0x63, 0xf7, 0x93, 0xe4, 0x91, 0x23, 0x26, 0x0b, 0x82, 0x97, 0xa7, 0xcd, 0x7e, 0x7c, |
| 0xfc, 0x7b, 0x31, 0x6b, 0x39, 0xd9, 0x8e, 0x90, 0xd2, 0x93, 0x77, 0x73, 0x8e, 0x82, |
| }; |
| const uint8_t kDacPrivateKey[] = { |
| 0xaa, 0xb6, 0x00, 0xae, 0x8a, 0xe8, 0xaa, 0xb7, 0xd7, 0x36, 0x27, 0xc2, 0x17, 0xb7, 0xc2, 0x04, |
| 0x70, 0x9c, 0xa6, 0x94, 0x6a, 0xf5, 0xf2, 0xf7, 0x53, 0x08, 0x33, 0xa5, 0x2b, 0x44, 0xfb, 0xff, |
| }; |
| ReturnErrorOnFailure(LoadKeypairFromRaw(ByteSpan{ kDacPrivateKey }, ByteSpan{ kDacPublicKey }, keypair)); |
| #else |
| return CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| #endif |
| #else |
| uint8_t privKeyBuf[kDACPrivateKeySize]; |
| uint8_t pubKeyBuf[kDACPublicKeySize]; |
| size_t privKeyLen = sizeof(privKeyBuf); |
| size_t pubKeyLen = sizeof(pubKeyBuf); |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_DAC_KEY_PARTITION, privKeyBuf, privKeyLen, privKeyLen)); |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_DAC_PUB_KEY_PARTITION, pubKeyBuf, pubKeyLen, pubKeyLen)); |
| ReturnErrorOnFailure(LoadKeypairFromRaw(ByteSpan(privKeyBuf, privKeyLen), ByteSpan(pubKeyBuf, pubKeyLen), keypair)); |
| #endif |
| |
| ReturnErrorOnFailure(keypair.ECDSA_sign_msg(messageToSign.data(), messageToSign.size(), signature)); |
| |
| return CopySpanToMutableSpan(ByteSpan{ signature.ConstBytes(), signature.Length() }, outSignBuffer); |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetVendorName(char * buf, size_t bufSize) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| ReturnErrorCodeIf(bufSize < sizeof(CHIP_DEVICE_CONFIG_DEVICE_VENDOR_NAME), CHIP_ERROR_BUFFER_TOO_SMALL); |
| strcpy(buf, CHIP_DEVICE_CONFIG_DEVICE_VENDOR_NAME); |
| #else |
| #define BUFFER_MAX_SIZE 32 |
| uint8_t buffer[BUFFER_MAX_SIZE + 1] = { 0 }; |
| size_t buffer_len = BUFFER_MAX_SIZE + 1; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_VENDOR_NAME_PARTITION, buffer, buffer_len, buffer_len)); |
| ReturnErrorCodeIf(bufSize < buffer_len, CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(buf, buffer, buffer_len); |
| buf[buffer_len] = 0; |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetVendorId(uint16_t & vendorId) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| vendorId = static_cast<uint16_t>(CHIP_DEVICE_CONFIG_DEVICE_VENDOR_ID); |
| #else |
| uint32_t vendorId32; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_VENDOR_ID_PARTITION, vendorId32)); |
| vendorId = static_cast<uint16_t>(vendorId32); |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetProductName(char * buf, size_t bufSize) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| ReturnErrorCodeIf(bufSize < sizeof(CHIP_DEVICE_CONFIG_DEVICE_PRODUCT_NAME), CHIP_ERROR_BUFFER_TOO_SMALL); |
| strcpy(buf, CHIP_DEVICE_CONFIG_DEVICE_PRODUCT_NAME); |
| #else |
| #define BUFFER_MAX_SIZE 32 |
| uint8_t buffer[BUFFER_MAX_SIZE + 1] = { 0 }; |
| size_t buffer_len = BUFFER_MAX_SIZE + 1; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_PRODUCT_NAME_PARTITION, buffer, buffer_len, buffer_len)); |
| ReturnErrorCodeIf(bufSize < buffer_len, CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(buf, buffer, buffer_len); |
| buf[buffer_len] = 0; |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetProductId(uint16_t & productId) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| productId = static_cast<uint16_t>(CHIP_DEVICE_CONFIG_DEVICE_PRODUCT_ID); |
| #else |
| uint32_t productId32; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_PRODUCT_ID_PARTITION, productId32)); |
| productId = static_cast<uint16_t>(productId32); |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetPartNumber(char * buf, size_t bufSize) |
| { |
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetProductURL(char * buf, size_t bufSize) |
| { |
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetProductLabel(char * buf, size_t bufSize) |
| { |
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetSerialNumber(char * buf, size_t bufSize) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| ReturnErrorCodeIf(bufSize < sizeof(CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER), CHIP_ERROR_BUFFER_TOO_SMALL); |
| strcpy(buf, CHIP_DEVICE_CONFIG_TEST_SERIAL_NUMBER); |
| #else |
| #define BUFFER_MAX_SIZE 32 |
| uint8_t buffer[BUFFER_MAX_SIZE + 1] = { 0 }; |
| size_t buffer_len = BUFFER_MAX_SIZE + 1; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_SERIAL_NUMBER_PARTITION, buffer, buffer_len, buffer_len)); |
| ReturnErrorCodeIf(bufSize < buffer_len, CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(buf, buffer, buffer_len); |
| buf[buffer_len] = 0; |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetManufacturingDate(uint16_t & year, uint8_t & month, uint8_t & day) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| enum |
| { |
| kDateStringLength = 10 // YYYY-MM-DD |
| }; |
| char dateStr[kDateStringLength + 1]; |
| char * parseEnd; |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| memcpy(dateStr, CHIP_DEVICE_CONFIG_TEST_MANUFACTURY_DATE, kDateStringLength + 1); |
| #else |
| size_t dateLen; |
| err = ASRConfig::ReadFactoryConfigValue(ASR_MANUFACTURY_DATE_PARTITION, (uint8_t *) dateStr, sizeof(dateStr), dateLen); |
| SuccessOrExit(err); |
| |
| VerifyOrExit(dateLen == kDateStringLength, err = CHIP_ERROR_INVALID_ARGUMENT); |
| #endif |
| // Cast does not lose information, because we then check that we only parsed |
| // 4 digits, so our number can't be bigger than 9999. |
| year = static_cast<uint16_t>(strtoul(dateStr, &parseEnd, 10)); |
| VerifyOrExit(parseEnd == dateStr + 4, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| // Cast does not lose information, because we then check that we only parsed |
| // 2 digits, so our number can't be bigger than 99. |
| month = static_cast<uint8_t>(strtoul(dateStr + 5, &parseEnd, 10)); |
| VerifyOrExit(parseEnd == dateStr + 7, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| // Cast does not lose information, because we then check that we only parsed |
| // 2 digits, so our number can't be bigger than 99. |
| day = static_cast<uint8_t>(strtoul(dateStr + 8, &parseEnd, 10)); |
| VerifyOrExit(parseEnd == dateStr + 10, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| exit: |
| if (err != CHIP_NO_ERROR && err != CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND) |
| { |
| ChipLogError(DeviceLayer, "Invalid manufacturing date: %s", dateStr); |
| } |
| return err; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetHardwareVersion(uint16_t & hardwareVersion) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| hardwareVersion = static_cast<uint16_t>(CHIP_DEVICE_CONFIG_DEFAULT_DEVICE_HARDWARE_VERSION); |
| #else |
| uint32_t hardwareVersion32; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_HARDWARE_VERSION_PARTITION, hardwareVersion32)); |
| hardwareVersion = static_cast<uint16_t>(hardwareVersion32); |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetHardwareVersionString(char * buf, size_t bufSize) |
| { |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| ReturnErrorCodeIf(bufSize < sizeof(CHIP_DEVICE_CONFIG_DEFAULT_DEVICE_HARDWARE_VERSION_STRING), CHIP_ERROR_BUFFER_TOO_SMALL); |
| strcpy(buf, CHIP_DEVICE_CONFIG_DEFAULT_DEVICE_HARDWARE_VERSION_STRING); |
| #else |
| #define BUFFER_MAX_SIZE 32 |
| uint8_t buffer[BUFFER_MAX_SIZE + 1] = { 0 }; |
| size_t buffer_len = BUFFER_MAX_SIZE + 1; |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_HARDWARE_VERSION_STR_PARTITION, buffer, buffer_len, buffer_len)); |
| ReturnErrorCodeIf(bufSize < buffer_len, CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(buf, buffer, buffer_len); |
| buf[buffer_len] = 0; |
| #endif |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ASRFactoryDataProvider::GetRotatingDeviceIdUniqueId(MutableByteSpan & uniqueIdSpan) |
| { |
| ChipError err = CHIP_ERROR_WRONG_KEY_TYPE; |
| #if CHIP_ENABLE_ROTATING_DEVICE_ID |
| static_assert(ConfigurationManager::kRotatingDeviceIDUniqueIDLength >= ConfigurationManager::kMinRotatingDeviceIDUniqueIDLength, |
| "Length of unique ID for rotating device ID is smaller than minimum."); |
| #if !CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| #ifdef CHIP_DEVICE_CONFIG_ROTATING_DEVICE_ID_UNIQUE_ID |
| constexpr uint8_t uniqueId[] = CHIP_DEVICE_CONFIG_ROTATING_DEVICE_ID_UNIQUE_ID; |
| |
| ReturnErrorCodeIf(sizeof(uniqueId) > uniqueIdSpan.size(), CHIP_ERROR_BUFFER_TOO_SMALL); |
| ReturnErrorCodeIf(sizeof(uniqueId) != ConfigurationManager::kRotatingDeviceIDUniqueIDLength, CHIP_ERROR_BUFFER_TOO_SMALL); |
| memcpy(uniqueIdSpan.data(), uniqueId, sizeof(uniqueId)); |
| uniqueIdSpan.reduce_size(sizeof(uniqueId)); |
| return CHIP_NO_ERROR; |
| #endif // CHIP_DEVICE_CONFIG_ROTATING_DEVICE_ID_UNIQUE_ID |
| #else // CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| #define ROTATING_UNIQUE_ID_STRING_LEN ConfigurationManager::kRotatingDeviceIDUniqueIDLength * 2 |
| uint8_t buffer[ROTATING_UNIQUE_ID_STRING_LEN] = { 0 }; |
| size_t buffer_len = ROTATING_UNIQUE_ID_STRING_LEN; |
| ReturnErrorCodeIf(ConfigurationManager::kRotatingDeviceIDUniqueIDLength > uniqueIdSpan.size(), CHIP_ERROR_BUFFER_TOO_SMALL); |
| ReturnErrorOnFailure(ASRConfig::ReadFactoryConfigValue(ASR_ROTATING_UNIQUE_ID_PARTITION, buffer, buffer_len, buffer_len)); |
| size_t bytesLen = |
| chip::Encoding::HexToBytes(Uint8::to_char(buffer), ROTATING_UNIQUE_ID_STRING_LEN, uniqueIdSpan.data(), uniqueIdSpan.size()); |
| ReturnErrorCodeIf(bytesLen != ConfigurationManager::kRotatingDeviceIDUniqueIDLength, CHIP_ERROR_INVALID_STRING_LENGTH); |
| uniqueIdSpan.reduce_size(bytesLen); |
| return CHIP_NO_ERROR; |
| #endif // CONFIG_ENABLE_ASR_FACTORY_DEVICE_INFO_PROVIDER |
| #endif // CHIP_ENABLE_ROTATING_DEVICE_ID |
| return err; |
| } |
| |
| } // namespace DeviceLayer |
| } // namespace chip |
