include/crypto/internal/kpp.h

   1 /*
   2  * Key-agreement Protocol Primitives (KPP)
   3  *
   4  * Copyright (c) 2016, Intel Corporation
   5  * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the Free
   9  * Software Foundation; either version 2 of the License, or (at your option)
  10  * any later version.
  11  *
  12  */
  13 #ifndef _CRYPTO_KPP_INT_H
  14 #define _CRYPTO_KPP_INT_H
  15 #include <crypto/kpp.h>
  16 #include <crypto/algapi.h>
  17
  18 /*
  19  * Transform internal helpers.
  20  */
  21 static inline void *kpp_request_ctx(struct kpp_request *req)
  22 {
  23         return req->__ctx;
  24 }
  25
  26 static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
  27 {
  28         return tfm->base.__crt_ctx;
  29 }
  30
  31 static inline void kpp_request_complete(struct kpp_request *req, int err)
  32 {
  33         req->base.complete(&req->base, err);
  34 }
  35
  36 static inline const char *kpp_alg_name(struct crypto_kpp *tfm)
  37 {
  38         return crypto_kpp_tfm(tfm)->__crt_alg->cra_name;
  39 }
  40
  41 /**
  42  * crypto_register_kpp() -- Register key-agreement protocol primitives algorithm
  43  *
  44  * Function registers an implementation of a key-agreement protocol primitive
  45  * algorithm
  46  *
  47  * @alg:        algorithm definition
  48  *
  49  * Return: zero on success; error code in case of error
  50  */
  51 int crypto_register_kpp(struct kpp_alg *alg);
  52
  53 /**
  54  * crypto_unregister_kpp() -- Unregister key-agreement protocol primitive
  55  * algorithm
  56  *
  57  * Function unregisters an implementation of a key-agreement protocol primitive
  58  * algorithm
  59  *
  60  * @alg:        algorithm definition
  61  */
  62 void crypto_unregister_kpp(struct kpp_alg *alg);
  63
  64 #endif