1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Key-agreement Protocol Primitives (KPP)
4  *
5  * Copyright (c) 2016, Intel Corporation
6  * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
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  */
kpp_request_ctx(struct kpp_request * req)16 static inline void *kpp_request_ctx(struct kpp_request *req)
17 {
18 	return req->__ctx;
19 }
20 
kpp_tfm_ctx(struct crypto_kpp * tfm)21 static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
22 {
23 	return tfm->base.__crt_ctx;
24 }
25 
kpp_request_complete(struct kpp_request * req,int err)26 static inline void kpp_request_complete(struct kpp_request *req, int err)
27 {
28 	req->base.complete(&req->base, err);
29 }
30 
kpp_alg_name(struct crypto_kpp * tfm)31 static 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  */
46 int 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  */
57 void crypto_unregister_kpp(struct kpp_alg *alg);
58 
59 #endif
60