System/Library/PrivateFrameworks/SecurityFoundation.framework
_SFECDHKeySource.h
@class _SFECKeyPair, _SFECPublicKey;
@interface _SFECDHKeySource : NSObject {
id _ecdhKeySourceInternal;
}
@property (retain, nonatomic) _SFECKeyPair *localKeyPair;
@property (retain, nonatomic) _SFECPublicKey *remotePublicKey;
- (void).cxx_destruct;
- (id)initWithLocalKeyPair:(id)a0 remotePublickKey:(id)a1;
@end