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[mirror_ubuntu-focal-kernel.git] / include / crypto / internal / kpp.h
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2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
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2/*
3 * Key-agreement Protocol Primitives (KPP)
4 *
5 * Copyright (c) 2016, Intel Corporation
6 * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
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7 */
8#ifndef _CRYPTO_KPP_INT_H
9#define _CRYPTO_KPP_INT_H
10#include <crypto/kpp.h>
11#include <crypto/algapi.h>
12
13/*
14 * Transform internal helpers.
15 */
16static inline void *kpp_request_ctx(struct kpp_request *req)
17{
18 return req->__ctx;
19}
20
21static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
22{
23 return tfm->base.__crt_ctx;
24}
25
26static inline void kpp_request_complete(struct kpp_request *req, int err)
27{
28 req->base.complete(&req->base, err);
29}
30
31static inline const char *kpp_alg_name(struct crypto_kpp *tfm)
32{
33 return crypto_kpp_tfm(tfm)->__crt_alg->cra_name;
34}
35
36/**
37 * crypto_register_kpp() -- Register key-agreement protocol primitives algorithm
38 *
39 * Function registers an implementation of a key-agreement protocol primitive
40 * algorithm
41 *
42 * @alg: algorithm definition
43 *
44 * Return: zero on success; error code in case of error
45 */
46int crypto_register_kpp(struct kpp_alg *alg);
47
48/**
49 * crypto_unregister_kpp() -- Unregister key-agreement protocol primitive
50 * algorithm
51 *
52 * Function unregisters an implementation of a key-agreement protocol primitive
53 * algorithm
54 *
55 * @alg: algorithm definition
56 */
57void crypto_unregister_kpp(struct kpp_alg *alg);
58
59#endif