net/bluetooth/ecdh_helper.h

   1 /*
   2  * ECDH helper functions - KPP wrappings
   3  *
   4  * Copyright (C) 2017 Intel Corporation
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation;
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  11  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  12  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
  13  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
  14  * CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  *
  19  * ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
  20  * COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
  21  * SOFTWARE IS DISCLAIMED.
  22  */
  23 #include <crypto/kpp.h>
  24 #include <linux/types.h>
  25
  26 int compute_ecdh_secret(struct crypto_kpp *tfm, const u8 pair_public_key[64],
  27                         u8 secret[32]);
  28 int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 private_key[32]);
  29 int generate_ecdh_public_key(struct crypto_kpp *tfm, u8 public_key[64]);
  30 int generate_ecdh_keys(struct crypto_kpp *tfm, u8 public_key[64]);