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28 lines
960 B
Objective-C
28 lines
960 B
Objective-C
// OpenHaystack – Tracking personal Bluetooth devices via Apple's Find My network
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//
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// Copyright © 2021 Secure Mobile Networking Lab (SEEMOO)
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// Copyright © 2021 The Open Wireless Link Project
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface BoringSSL : NSObject
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+ (NSData * _Nullable) deriveSharedKeyFromPrivateKey: (NSData *) privateKey andEphemeralKey: (NSData*) ephemeralKeyPoint;
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/// Derive a public key from a given private key
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/// @param privateKeyData an EC private key on the P-224 curve
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/// @returns The public key in a compressed format using 29 bytes. The first byte is used for identifying if its odd or even.
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/// For OF the first byte has to be dropped
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+ (NSData * _Nullable) derivePublicKeyFromPrivateKey: (NSData*) privateKeyData;
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/// Generate a new EC private key and exports it as data
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+ (NSData * _Nullable) generateNewPrivateKey;
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@end
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NS_ASSUME_NONNULL_END
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