[Invisalign] Remove unused smp/crypto_toolbox.h

/*

 * Copyright (C) 2018 The Android Open Source Project

 *

 * 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.

 */

#include "stack/include/bt_types.h"

/* Functions below implement cryptographic toolbox, as described in BT Spec

 * Ver 5.0 | Vol 3, Part H CRYPTOGRAPHIC TOOLBOX. Please see the spec for

 * description.

 *

 * Example of usage is avaliable in cryptographic_toolbox_test.cc */

Octet16 smp_calculate_f4(uint8_t* u, uint8_t* v, const Octet16& x, uint8_t z);

uint32_t smp_calculate_g2(uint8_t* u, uint8_t* v, const Octet16& x,

                          const Octet16& y);

void smp_calculate_f5(uint8_t* w, const Octet16& n1, const Octet16& n2,

                      uint8_t* a1, uint8_t* a2, Octet16* mac_key, Octet16* ltk);

Octet16 smp_calculate_f6(const Octet16& w, const Octet16& n1, const Octet16& n2,

                         const Octet16& r, uint8_t* iocap, uint8_t* a1,

                         uint8_t* a2);

Octet16 smp_calculate_h6(const Octet16& w, std::array<uint8_t, 4> keyid);

Octet16 smp_calculate_h7(const Octet16& salt, const Octet16& w);

Octet16 smp_calculate_ltk_to_link_key(const Octet16& ltk, bool use_h7);

Octet16 smp_calculate_link_key_to_ltk(const Octet16& link_key, bool use_h7);