xref: /linux/net/bluetooth/ecdh_helper.h (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9)
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);
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]);
31