LXR linux/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 */
  21static inline void *kpp_request_ctx(struct kpp_request *req)
  22{
  23        return req->__ctx;
  24}
  25
  26static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)
  27{
  28        return tfm->base.__crt_ctx;
  29}
  30
  31static inline void kpp_request_complete(struct kpp_request *req, int err)
  32{
  33        req->base.complete(&req->base, err);
  34}
  35
  36static 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 */
  51int 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 */
  62void crypto_unregister_kpp(struct kpp_alg *alg);
  63
  64#endif
  65