| /* | |
| * | |
| * Copyright (c) 2026 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. | |
| */ | |
| #pragma once | |
| #include <cstddef> | |
| #include <cstdint> | |
| namespace chip { | |
| namespace Dnssd { | |
| namespace Uld { | |
| // DNSKEY RR / SIG algorithm ECDSA P-256 with SHA-256 (RFC 6605). | |
| inline constexpr uint8_t kKeyAlgorithmEcdsaP256 = 13; | |
| // Raw P-256 public key size in KEY RDATA (X || Y, no 0x04 prefix). | |
| inline constexpr size_t kP256RawPublicKeySize = 64; | |
| // Raw P-256 ECDSA signature size in SIG(0) RDATA (r || s). | |
| inline constexpr size_t kP256RawSignatureSize = 64; | |
| } // namespace Uld | |
| } // namespace Dnssd | |
| } // namespace chip |