| /** |
| * |
| * 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. |
| */ |
| |
| #import <Foundation/Foundation.h> |
| #import <Security/Security.h> |
| |
| NS_ASSUME_NONNULL_BEGIN |
| |
| @protocol MTRKeypair <NSObject> |
| @required |
| /** |
| * @brief Return public key for the keypair. |
| */ |
| - (SecKeyRef)publicKey; |
| |
| @optional |
| /** |
| * @brief A function to sign a message using ECDSA |
| * |
| * @param message Message that needs to be signed |
| * |
| * @return A signature that consists of: 2 EC elements (r and s), in raw <r,s> |
| * point form (see SEC1). Sometimes also called RFC 4754 form or P1363 |
| * form. |
| * |
| * Either this selector or signMessageECDSA_DER must be supported by a |
| * MTRKeypair. |
| */ |
| - (NSData *)signMessageECDSA_RAW:(NSData *)message; |
| |
| /** |
| * @brief A function to sign a message using ECDSA |
| * |
| * @param message Message that needs to be signed |
| * |
| * @return An ASN.1 DER-encoded signature (per X9.62). |
| * |
| * Either this selector or signMessageECDSA_RAW must be supported by a |
| * MTRKeypair. |
| */ |
| - (NSData *)signMessageECDSA_DER:(NSData *)message; |
| |
| @end |
| |
| NS_ASSUME_NONNULL_END |