cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

akcipher.h (3385B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Public Key Encryption
      4 *
      5 * Copyright (c) 2015, Intel Corporation
      6 * Authors: Tadeusz Struk <tadeusz.struk@intel.com>
      7 */
      8#ifndef _CRYPTO_AKCIPHER_INT_H
      9#define _CRYPTO_AKCIPHER_INT_H
     10#include <crypto/akcipher.h>
     11#include <crypto/algapi.h>
     12
     13struct akcipher_instance {
     14	void (*free)(struct akcipher_instance *inst);
     15	union {
     16		struct {
     17			char head[offsetof(struct akcipher_alg, base)];
     18			struct crypto_instance base;
     19		} s;
     20		struct akcipher_alg alg;
     21	};
     22};
     23
     24struct crypto_akcipher_spawn {
     25	struct crypto_spawn base;
     26};
     27
     28/*
     29 * Transform internal helpers.
     30 */
     31static inline void *akcipher_request_ctx(struct akcipher_request *req)
     32{
     33	return req->__ctx;
     34}
     35
     36static inline void akcipher_set_reqsize(struct crypto_akcipher *akcipher,
     37					unsigned int reqsize)
     38{
     39	crypto_akcipher_alg(akcipher)->reqsize = reqsize;
     40}
     41
     42static inline void *akcipher_tfm_ctx(struct crypto_akcipher *tfm)
     43{
     44	return tfm->base.__crt_ctx;
     45}
     46
     47static inline void akcipher_request_complete(struct akcipher_request *req,
     48					     int err)
     49{
     50	req->base.complete(&req->base, err);
     51}
     52
     53static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm)
     54{
     55	return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name;
     56}
     57
     58static inline struct crypto_instance *akcipher_crypto_instance(
     59		struct akcipher_instance *inst)
     60{
     61	return container_of(&inst->alg.base, struct crypto_instance, alg);
     62}
     63
     64static inline struct akcipher_instance *akcipher_instance(
     65		struct crypto_instance *inst)
     66{
     67	return container_of(&inst->alg, struct akcipher_instance, alg.base);
     68}
     69
     70static inline struct akcipher_instance *akcipher_alg_instance(
     71		struct crypto_akcipher *akcipher)
     72{
     73	return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base));
     74}
     75
     76static inline void *akcipher_instance_ctx(struct akcipher_instance *inst)
     77{
     78	return crypto_instance_ctx(akcipher_crypto_instance(inst));
     79}
     80
     81int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn,
     82			 struct crypto_instance *inst,
     83			 const char *name, u32 type, u32 mask);
     84
     85static inline struct crypto_akcipher *crypto_spawn_akcipher(
     86		struct crypto_akcipher_spawn *spawn)
     87{
     88	return crypto_spawn_tfm2(&spawn->base);
     89}
     90
     91static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn)
     92{
     93	crypto_drop_spawn(&spawn->base);
     94}
     95
     96static inline struct akcipher_alg *crypto_spawn_akcipher_alg(
     97		struct crypto_akcipher_spawn *spawn)
     98{
     99	return container_of(spawn->base.alg, struct akcipher_alg, base);
    100}
    101
    102/**
    103 * crypto_register_akcipher() -- Register public key algorithm
    104 *
    105 * Function registers an implementation of a public key verify algorithm
    106 *
    107 * @alg:	algorithm definition
    108 *
    109 * Return: zero on success; error code in case of error
    110 */
    111int crypto_register_akcipher(struct akcipher_alg *alg);
    112
    113/**
    114 * crypto_unregister_akcipher() -- Unregister public key algorithm
    115 *
    116 * Function unregisters an implementation of a public key verify algorithm
    117 *
    118 * @alg:	algorithm definition
    119 */
    120void crypto_unregister_akcipher(struct akcipher_alg *alg);
    121
    122/**
    123 * akcipher_register_instance() -- Unregister public key template instance
    124 *
    125 * Function registers an implementation of an asymmetric key algorithm
    126 * created from a template
    127 *
    128 * @tmpl:	the template from which the algorithm was created
    129 * @inst:	the template instance
    130 */
    131int akcipher_register_instance(struct crypto_template *tmpl,
    132		struct akcipher_instance *inst);
    133#endif