xref: /OK3568_Linux_fs/kernel/include/crypto/internal/kpp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Key-agreement Protocol Primitives (KPP)
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) 2016, Intel Corporation
6*4882a593Smuzhiyun  * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #ifndef _CRYPTO_KPP_INT_H
9*4882a593Smuzhiyun #define _CRYPTO_KPP_INT_H
10*4882a593Smuzhiyun #include <crypto/kpp.h>
11*4882a593Smuzhiyun #include <crypto/algapi.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun /*
14*4882a593Smuzhiyun  * Transform internal helpers.
15*4882a593Smuzhiyun  */
kpp_request_ctx(struct kpp_request * req)16*4882a593Smuzhiyun static inline void *kpp_request_ctx(struct kpp_request *req)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun 	return req->__ctx;
19*4882a593Smuzhiyun }
20*4882a593Smuzhiyun 
kpp_tfm_ctx(struct crypto_kpp * tfm)21*4882a593Smuzhiyun static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun 	return tfm->base.__crt_ctx;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun 
kpp_request_complete(struct kpp_request * req,int err)26*4882a593Smuzhiyun static inline void kpp_request_complete(struct kpp_request *req, int err)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun 	req->base.complete(&req->base, err);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun 
kpp_alg_name(struct crypto_kpp * tfm)31*4882a593Smuzhiyun static inline const char *kpp_alg_name(struct crypto_kpp *tfm)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun 	return crypto_kpp_tfm(tfm)->__crt_alg->cra_name;
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun /**
37*4882a593Smuzhiyun  * crypto_register_kpp() -- Register key-agreement protocol primitives algorithm
38*4882a593Smuzhiyun  *
39*4882a593Smuzhiyun  * Function registers an implementation of a key-agreement protocol primitive
40*4882a593Smuzhiyun  * algorithm
41*4882a593Smuzhiyun  *
42*4882a593Smuzhiyun  * @alg:	algorithm definition
43*4882a593Smuzhiyun  *
44*4882a593Smuzhiyun  * Return: zero on success; error code in case of error
45*4882a593Smuzhiyun  */
46*4882a593Smuzhiyun int crypto_register_kpp(struct kpp_alg *alg);
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun /**
49*4882a593Smuzhiyun  * crypto_unregister_kpp() -- Unregister key-agreement protocol primitive
50*4882a593Smuzhiyun  * algorithm
51*4882a593Smuzhiyun  *
52*4882a593Smuzhiyun  * Function unregisters an implementation of a key-agreement protocol primitive
53*4882a593Smuzhiyun  * algorithm
54*4882a593Smuzhiyun  *
55*4882a593Smuzhiyun  * @alg:	algorithm definition
56*4882a593Smuzhiyun  */
57*4882a593Smuzhiyun void crypto_unregister_kpp(struct kpp_alg *alg);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun #endif
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