//
//  OpenHaystack – Tracking personal Bluetooth devices via Apple's Find My network
//
//  Copyright © 2021 Secure Mobile Networking Lab (SEEMOO)
//  Copyright © 2021 The Open Wireless Link Project
//
//  SPDX-License-Identifier: AGPL-3.0-only
//

#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

@interface BoringSSL : NSObject

+ (NSData * _Nullable) deriveSharedKeyFromPrivateKey: (NSData *) privateKey andEphemeralKey: (NSData*) ephemeralKeyPoint;

/// Derive a public key from a given private key
/// @param privateKeyData an EC private key on the P-224 curve
/// @returns The public key in a compressed format using 29 bytes. The first byte is used for identifying if its odd or even.
/// For OF the first byte has to be dropped 
+ (NSData * _Nullable) derivePublicKeyFromPrivateKey: (NSData*) privateKeyData;

/// Generate a new EC private key and exports it as data
+ (NSData * _Nullable) generateNewPrivateKey;

@end

NS_ASSUME_NONNULL_END