| /* |
| * |
| * Copyright (c) 2021 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 "DeviceAttestationSe05xCredsExample.h" |
| |
| #include <crypto/CHIPCryptoPAL.h> |
| |
| #include <lib/core/CHIPError.h> |
| #include <lib/support/Span.h> |
| |
| #if CHIP_CRYPTO_HSM |
| #include <crypto/hsm/CHIPCryptoPALHsm.h> |
| #endif |
| |
| #ifdef ENABLE_HSM_DEVICE_ATTESTATION |
| |
| #define DEV_ATTESTATION_KEY 0xDADADADA |
| |
| namespace chip { |
| namespace Credentials { |
| namespace Examples { |
| |
| namespace { |
| |
| class ExampleSe05xDACProvider : public DeviceAttestationCredentialsProvider |
| { |
| public: |
| CHIP_ERROR GetCertificationDeclaration(MutableByteSpan & out_cd_buffer) override; |
| CHIP_ERROR GetFirmwareInformation(MutableByteSpan & out_firmware_info_buffer) override; |
| CHIP_ERROR GetDeviceAttestationCert(MutableByteSpan & out_dac_buffer) override; |
| CHIP_ERROR GetProductAttestationIntermediateCert(MutableByteSpan & out_pai_buffer) override; |
| CHIP_ERROR SignWithDeviceAttestationKey(const ByteSpan & digest_to_sign, MutableByteSpan & out_signature_buffer) override; |
| }; |
| |
| CHIP_ERROR ExampleSe05xDACProvider::GetDeviceAttestationCert(MutableByteSpan & out_dac_buffer) |
| { |
| /* |
| credentials/test/attestation/Chip-Test-DAC-FFF1-8000-000A-Cert.pem |
| -----BEGIN CERTIFICATE----- |
| MIIB6jCCAY+gAwIBAgIIBRpp5eeAND4wCgYIKoZIzj0EAwIwRjEYMBYGA1UEAwwP |
| TWF0dGVyIFRlc3QgUEFJMRQwEgYKKwYBBAGConwCAQwERkZGMTEUMBIGCisGAQQB |
| gqJ8AgIMBDgwMDAwIBcNMjEwNjI4MTQyMzQzWhgPOTk5OTEyMzEyMzU5NTlaMEsx |
| HTAbBgNVBAMMFE1hdHRlciBUZXN0IERBQyAwMDBBMRQwEgYKKwYBBAGConwCAQwE |
| RkZGMTEUMBIGCisGAQQBgqJ8AgIMBDgwMDAwWTATBgcqhkjOPQIBBggqhkjOPQMB |
| BwNCAAR6hFivu5vNFeGa3NJm9mycL2B8dHR6NfgPN+EYEz+A8XYBEyePkfFaoPf4 |
| eTIJT+aftyhoqB4ml5s2izO1VDEDo2AwXjAMBgNVHRMBAf8EAjAAMA4GA1UdDwEB |
| /wQEAwIHgDAdBgNVHQ4EFgQU1a2yuIOOyAc8R3LcfoeX/rsjs64wHwYDVR0jBBgw |
| FoAUhPUd/57M2ik1lEhSDoXxKS2j7dcwCgYIKoZIzj0EAwIDSQAwRgIhAPL+Fnlk |
| P0xbynYuijQV7VEwBvzQUtpQbWLYvVFeN70IAiEAvi20eqszdReOEkmgeSCgrG6q |
| OS8H8W2E/ctS268o19k= |
| -----END CERTIFICATE----- |
| */ |
| constexpr uint8_t kDacCertificate[] = { |
| 0x30, 0x82, 0x01, 0xEA, 0x30, 0x82, 0x01, 0x8F, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x05, 0x1A, 0x69, 0xE5, 0xE7, |
| 0x80, 0x34, 0x3E, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x30, 0x46, 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, 0x49, 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, 0x30, 0x30, 0x20, 0x17, 0x0D, 0x32, 0x31, 0x30, 0x36, 0x32, 0x38, 0x31, 0x34, 0x32, |
| 0x33, 0x34, 0x33, 0x5A, 0x18, 0x0F, 0x39, 0x39, 0x39, 0x39, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33, 0x35, 0x39, 0x35, 0x39, |
| 0x5A, 0x30, 0x4B, 0x31, 0x1D, 0x30, 0x1B, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x14, 0x4D, 0x61, 0x74, 0x74, 0x65, 0x72, |
| 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x44, 0x41, 0x43, 0x20, 0x30, 0x30, 0x30, 0x41, 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, 0x30, 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, 0x7A, 0x84, 0x58, 0xAF, 0xBB, 0x9B, 0xCD, 0x15, 0xE1, 0x9A, 0xDC, 0xD2, 0x66, 0xF6, 0x6C, |
| 0x9C, 0x2F, 0x60, 0x7C, 0x74, 0x74, 0x7A, 0x35, 0xF8, 0x0F, 0x37, 0xE1, 0x18, 0x13, 0x3F, 0x80, 0xF1, 0x76, 0x01, 0x13, |
| 0x27, 0x8F, 0x91, 0xF1, 0x5A, 0xA0, 0xF7, 0xF8, 0x79, 0x32, 0x09, 0x4F, 0xE6, 0x9F, 0xB7, 0x28, 0x68, 0xA8, 0x1E, 0x26, |
| 0x97, 0x9B, 0x36, 0x8B, 0x33, 0xB5, 0x54, 0x31, 0x03, 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, 0xD5, 0xAD, 0xB2, 0xB8, 0x83, 0x8E, |
| 0xC8, 0x07, 0x3C, 0x47, 0x72, 0xDC, 0x7E, 0x87, 0x97, 0xFE, 0xBB, 0x23, 0xB3, 0xAE, 0x30, 0x1F, 0x06, 0x03, 0x55, 0x1D, |
| 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x84, 0xF5, 0x1D, 0xFF, 0x9E, 0xCC, 0xDA, 0x29, 0x35, 0x94, 0x48, 0x52, 0x0E, |
| 0x85, 0xF1, 0x29, 0x2D, 0xA3, 0xED, 0xD7, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x03, |
| 0x49, 0x00, 0x30, 0x46, 0x02, 0x21, 0x00, 0xF2, 0xFE, 0x16, 0x79, 0x64, 0x3F, 0x4C, 0x5B, 0xCA, 0x76, 0x2E, 0x8A, 0x34, |
| 0x15, 0xED, 0x51, 0x30, 0x06, 0xFC, 0xD0, 0x52, 0xDA, 0x50, 0x6D, 0x62, 0xD8, 0xBD, 0x51, 0x5E, 0x37, 0xBD, 0x08, 0x02, |
| 0x21, 0x00, 0xBE, 0x2D, 0xB4, 0x7A, 0xAB, 0x33, 0x75, 0x17, 0x8E, 0x12, 0x49, 0xA0, 0x79, 0x20, 0xA0, 0xAC, 0x6E, 0xAA, |
| 0x39, 0x2F, 0x07, 0xF1, 0x6D, 0x84, 0xFD, 0xCB, 0x52, 0xDB, 0xAF, 0x28, 0xD7, 0xD9 |
| }; |
| |
| return CopySpanToMutableSpan(ByteSpan{ kDacCertificate }, out_dac_buffer); |
| } |
| |
| CHIP_ERROR ExampleSe05xDACProvider::GetProductAttestationIntermediateCert(MutableByteSpan & out_pai_buffer) |
| { |
| /* |
| credentials/test/attestation/Chip-Test-PAI-FFF1-8000-Cert.pem |
| -----BEGIN CERTIFICATE----- |
| MIIBvzCCAWagAwIBAgIIfpkqTYmEBRUwCgYIKoZIzj0EAwIwHzEdMBsGA1UEAwwU |
| TWF0dGVyIFRlc3QgUEFBIEZGRjEwIBcNMjEwNjI4MTQyMzQzWhgPOTk5OTEyMzEy |
| MzU5NTlaMEYxGDAWBgNVBAMMD01hdHRlciBUZXN0IFBBSTEUMBIGCisGAQQBgqJ8 |
| AgEMBEZGRjExFDASBgorBgEEAYKifAICDAQ4MDAwMFkwEwYHKoZIzj0CAQYIKoZI |
| zj0DAQcDQgAEynPORkG/CDtKM42gQxoKMjB/ZtFgV0tmEi8lBs9q03Djf2XWNHrn |
| l6GXJlBQl200rHtjezvaC1vYQ+2OXV6b8qNjMGEwDwYDVR0TAQH/BAUwAwEB/zAO |
| BgNVHQ8BAf8EBAMCAQYwHQYDVR0OBBYEFIT1Hf+ezNopNZRIUg6F8Skto+3XMB8G |
| A1UdIwQYMBaAFO8Y4OzUZgQ03w28kR7UUhaZZoOfMAoGCCqGSM49BAMCA0cAMEQC |
| IFlGfLWq/BpStUOJbdI73kXQgGxTpzec5xLkqAqtZ6taAiA/mv80v+8mVtOb+tF2 |
| WCRrNllsMubAajV+yukQb3k0dQ== |
| -----END CERTIFICATE----- |
| */ |
| constexpr uint8_t kPaiCertificate[] = { |
| 0x30, 0x82, 0x01, 0xBF, 0x30, 0x82, 0x01, 0x66, 0xA0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x7E, 0x99, 0x2A, 0x4D, 0x89, |
| 0x84, 0x05, 0x15, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x30, 0x1F, 0x31, 0x1D, 0x30, |
| 0x1B, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C, 0x14, 0x4D, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, |
| 0x50, 0x41, 0x41, 0x20, 0x46, 0x46, 0x46, 0x31, 0x30, 0x20, 0x17, 0x0D, 0x32, 0x31, 0x30, 0x36, 0x32, 0x38, 0x31, 0x34, |
| 0x32, 0x33, 0x34, 0x33, 0x5A, 0x18, 0x0F, 0x39, 0x39, 0x39, 0x39, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33, 0x35, 0x39, 0x35, |
| 0x39, 0x5A, 0x30, 0x46, 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, 0x49, 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, 0x30, 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, 0xCA, 0x73, 0xCE, 0x46, 0x41, 0xBF, 0x08, 0x3B, 0x4A, 0x33, 0x8D, 0xA0, 0x43, 0x1A, 0x0A, 0x32, 0x30, 0x7F, 0x66, |
| 0xD1, 0x60, 0x57, 0x4B, 0x66, 0x12, 0x2F, 0x25, 0x06, 0xCF, 0x6A, 0xD3, 0x70, 0xE3, 0x7F, 0x65, 0xD6, 0x34, 0x7A, 0xE7, |
| 0x97, 0xA1, 0x97, 0x26, 0x50, 0x50, 0x97, 0x6D, 0x34, 0xAC, 0x7B, 0x63, 0x7B, 0x3B, 0xDA, 0x0B, 0x5B, 0xD8, 0x43, 0xED, |
| 0x8E, 0x5D, 0x5E, 0x9B, 0xF2, 0xA3, 0x63, 0x30, 0x61, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D, 0x13, 0x01, 0x01, 0xFF, 0x04, |
| 0x05, 0x30, 0x03, 0x01, 0x01, 0xFF, 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, 0x84, 0xF5, 0x1D, 0xFF, 0x9E, 0xCC, 0xDA, |
| 0x29, 0x35, 0x94, 0x48, 0x52, 0x0E, 0x85, 0xF1, 0x29, 0x2D, 0xA3, 0xED, 0xD7, 0x30, 0x1F, 0x06, 0x03, 0x55, 0x1D, 0x23, |
| 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xEF, 0x18, 0xE0, 0xEC, 0xD4, 0x66, 0x04, 0x34, 0xDF, 0x0D, 0xBC, 0x91, 0x1E, 0xD4, |
| 0x52, 0x16, 0x99, 0x66, 0x83, 0x9F, 0x30, 0x0A, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02, 0x03, 0x47, |
| 0x00, 0x30, 0x44, 0x02, 0x20, 0x59, 0x46, 0x7C, 0xB5, 0xAA, 0xFC, 0x1A, 0x52, 0xB5, 0x43, 0x89, 0x6D, 0xD2, 0x3B, 0xDE, |
| 0x45, 0xD0, 0x80, 0x6C, 0x53, 0xA7, 0x37, 0x9C, 0xE7, 0x12, 0xE4, 0xA8, 0x0A, 0xAD, 0x67, 0xAB, 0x5A, 0x02, 0x20, 0x3F, |
| 0x9A, 0xFF, 0x34, 0xBF, 0xEF, 0x26, 0x56, 0xD3, 0x9B, 0xFA, 0xD1, 0x76, 0x58, 0x24, 0x6B, 0x36, 0x59, 0x6C, 0x32, 0xE6, |
| 0xC0, 0x6A, 0x35, 0x7E, 0xCA, 0xE9, 0x10, 0x6F, 0x79, 0x34, 0x75 |
| }; |
| |
| return CopySpanToMutableSpan(ByteSpan{ kPaiCertificate }, out_pai_buffer); |
| } |
| |
| CHIP_ERROR ExampleSe05xDACProvider::GetCertificationDeclaration(MutableByteSpan & out_cd_buffer) |
| { |
| // -> format_version = 1 |
| // -> vendor_id = 0xFFF1 |
| // -> product_id_array = [ 0x8000 ] |
| // -> device_type_id = 0x1234 |
| // -> certificate_id = "ZIG20141ZB330001-24" |
| // -> 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 |
| constexpr uint8_t kCertificationDeclaration[] = { |
| 0x30, 0x81, 0xe8, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x02, 0xa0, 0x81, 0xda, 0x30, 0x81, 0xd7, |
| 0x02, 0x01, 0x03, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x45, |
| 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x38, 0x04, 0x36, 0x15, 0x24, 0x00, 0x01, 0x25, |
| 0x01, 0xf1, 0xff, 0x36, 0x02, 0x05, 0x00, 0x80, 0x18, 0x25, 0x03, 0x34, 0x12, 0x2c, 0x04, 0x13, 0x5a, 0x49, 0x47, 0x32, |
| 0x30, 0x31, 0x34, 0x31, 0x5a, 0x42, 0x33, 0x33, 0x30, 0x30, 0x30, 0x31, 0x2d, 0x32, 0x34, 0x24, 0x05, 0x00, 0x24, 0x06, |
| 0x00, 0x25, 0x07, 0x94, 0x26, 0x24, 0x08, 0x00, 0x18, 0x31, 0x7c, 0x30, 0x7a, 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, 0x46, 0x30, 0x44, 0x02, 0x20, 0x43, 0xa6, 0x3f, 0x2b, 0x94, 0x3d, 0xf3, 0x3c, 0x38, 0xb3, 0xe0, |
| 0x2f, 0xca, 0xa7, 0x5f, 0xe3, 0x53, 0x2a, 0xeb, 0xbf, 0x5e, 0x63, 0xf5, 0xbb, 0xdb, 0xc0, 0xb1, 0xf0, 0x1d, 0x3c, 0x4f, |
| 0x60, 0x02, 0x20, 0x4c, 0x1a, 0xbf, 0x5f, 0x18, 0x07, 0xb8, 0x18, 0x94, 0xb1, 0x57, 0x6c, 0x47, 0xe4, 0x72, 0x4e, 0x4d, |
| 0x96, 0x6c, 0x61, 0x2e, 0xd3, 0xfa, 0x25, 0xc1, 0x18, 0xc3, 0xf2, 0xb3, 0xf9, 0x03, 0x69 |
| }; |
| |
| return CopySpanToMutableSpan(ByteSpan{ kCertificationDeclaration }, out_cd_buffer); |
| } |
| |
| CHIP_ERROR ExampleSe05xDACProvider::GetFirmwareInformation(MutableByteSpan & out_firmware_info_buffer) |
| { |
| // TODO: We need a real example FirmwareInformation to be populated. |
| out_firmware_info_buffer.reduce_size(0); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ExampleSe05xDACProvider::SignWithDeviceAttestationKey(const ByteSpan & digest_to_sign, |
| MutableByteSpan & out_signature_buffer) |
| { |
| |
| /* |
| credentials/test/attestation/Chip-Test-DAC-FFF1-8000-000A-Key.pem |
| -----BEGIN EC PRIVATE KEY----- |
| MHcCAQEEIAXGw6hNxgXMPMgFgAmwGzKc9gzxWXDGqQ6tquLeSWSeoAoGCCqGSM49 |
| AwEHoUQDQgAEeoRYr7ubzRXhmtzSZvZsnC9gfHR0ejX4DzfhGBM/gPF2ARMnj5Hx |
| WqD3+HkyCU/mn7coaKgeJpebNosztVQxAw== |
| -----END EC PRIVATE KEY----- |
| */ |
| |
| #if 0 |
| constexpr uint8_t dac_private_key[] = { 0x05, 0xc6, 0xc3, 0xa8, 0x4d, 0xc6, 0x05, 0xcc, 0x3c, 0xc8, 0x05, |
| 0x80, 0x09, 0xb0, 0x1b, 0x32, 0x9c, 0xf6, 0x0c, 0xf1, 0x59, 0x70, |
| 0xc6, 0xa9, 0x0e, 0xad, 0xaa, 0xe2, 0xde, 0x49, 0x64, 0x9e }; |
| |
| // In a non-exemplary implementation, the public key is not needed here. It is used here merely because |
| // Crypto::P256Keypair is only (currently) constructable from raw keys if both private/public keys are present. |
| constexpr uint8_t dac_public_key[] = { 0x04, 0x7a, 0x84, 0x58, 0xaf, 0xbb, 0x9b, 0xcd, 0x15, 0xe1, 0x9a, 0xdc, 0xd2, |
| 0x66, 0xf6, 0x6c, 0x9c, 0x2f, 0x60, 0x7c, 0x74, 0x74, 0x7a, 0x35, 0xf8, 0x0f, |
| 0x37, 0xe1, 0x18, 0x13, 0x3f, 0x80, 0xf1, 0x76, 0x01, 0x13, 0x27, 0x8f, 0x91, |
| 0xf1, 0x5a, 0xa0, 0xf7, 0xf8, 0x79, 0x32, 0x09, 0x4f, 0xe6, 0x9f, 0xb7, 0x28, |
| 0x68, 0xa8, 0x1e, 0x26, 0x97, 0x9b, 0x36, 0x8b, 0x33, 0xb5, 0x54, 0x31, 0x03 }; |
| #endif |
| |
| Crypto::P256ECDSASignature signature; |
| Crypto::P256KeypairHSM keypair; |
| |
| VerifyOrReturnError(IsSpanUsable(out_signature_buffer), CHIP_ERROR_INVALID_ARGUMENT); |
| VerifyOrReturnError(IsSpanUsable(digest_to_sign), CHIP_ERROR_INVALID_ARGUMENT); |
| VerifyOrReturnError(out_signature_buffer.size() >= signature.Capacity(), CHIP_ERROR_BUFFER_TOO_SMALL); |
| |
| keypair.SetKeyId(DEV_ATTESTATION_KEY); |
| keypair.provisioned_key = true; |
| keypair.Initialize(); |
| |
| ReturnErrorOnFailure(keypair.ECDSA_sign_hash(digest_to_sign.data(), digest_to_sign.size(), signature)); |
| |
| return CopySpanToMutableSpan(ByteSpan{ signature.ConstBytes(), signature.Length() }, out_signature_buffer); |
| } |
| |
| } // namespace |
| |
| DeviceAttestationCredentialsProvider * GetExampleSe05xDACProvider() |
| { |
| static ExampleSe05xDACProvider example_dac_provider; |
| |
| return &example_dac_provider; |
| } |
| |
| } // namespace Examples |
| } // namespace Credentials |
| } // namespace chip |
| |
| #endif //#ifdef ENABLE_HSM_DEVICE_ATTESTATION |
