linux/drivers/crypto/ccp/ccp-crypto-aes.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * AMD Cryptographic Coprocessor (CCP) AES crypto API support
 *
 * Copyright (C) 2013-2019 Advanced Micro Devices, Inc.
 *
 * Author: Tom Lendacky <[email protected]>
 */

#include <linux/module.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <linux/scatterlist.h>
#include <linux/crypto.h>
#include <crypto/algapi.h>
#include <crypto/aes.h>
#include <crypto/ctr.h>
#include <crypto/scatterwalk.h>

#include "ccp-crypto.h"

static int ccp_aes_complete(struct crypto_async_request *async_req, int ret)
{ … }

static int ccp_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
			  unsigned int key_len)
{ … }

static int ccp_aes_crypt(struct skcipher_request *req, bool encrypt)
{ … }

static int ccp_aes_encrypt(struct skcipher_request *req)
{ … }

static int ccp_aes_decrypt(struct skcipher_request *req)
{ … }

static int ccp_aes_init_tfm(struct crypto_skcipher *tfm)
{ … }

static int ccp_aes_rfc3686_complete(struct crypto_async_request *async_req,
				    int ret)
{ … }

static int ccp_aes_rfc3686_setkey(struct crypto_skcipher *tfm, const u8 *key,
				  unsigned int key_len)
{ … }

static int ccp_aes_rfc3686_crypt(struct skcipher_request *req, bool encrypt)
{ … }

static int ccp_aes_rfc3686_encrypt(struct skcipher_request *req)
{ … }

static int ccp_aes_rfc3686_decrypt(struct skcipher_request *req)
{ … }

static int ccp_aes_rfc3686_init_tfm(struct crypto_skcipher *tfm)
{ … }

static const struct skcipher_alg ccp_aes_defaults = …;

static const struct skcipher_alg ccp_aes_rfc3686_defaults = …;

struct ccp_aes_def { … };

static struct ccp_aes_def aes_algs[] = …;

static int ccp_register_aes_alg(struct list_head *head,
				const struct ccp_aes_def *def)
{ … }

int ccp_register_aes_algs(struct list_head *head)
{ … }