1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * ECDH helper functions - KPP wrappings 4 * 5 * Copyright (C) 2017 Intel Corporation 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 8 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 9 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. 10 * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY 11 * CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 * 16 * ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 17 * COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 18 * SOFTWARE IS DISCLAIMED. 19 */ 20 #include <crypto/kpp.h> 21 #include <linux/types.h> 22 23 int compute_ecdh_secret(struct crypto_kpp *tfm, const u8 pair_public_key[64], 24 u8 secret[32]); 25 int set_ecdh_privkey(struct crypto_kpp *tfm, const u8 private_key[32]); 26 int generate_ecdh_public_key(struct crypto_kpp *tfm, u8 public_key[64]); 27 int generate_ecdh_keys(struct crypto_kpp *tfm, u8 public_key[64]); 28