linux-imx

/*

 * Key-agreement Protocol Primitives (KPP)

 *

 * Copyright (c) 2016, Intel Corporation

 * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the Free

 * Software Foundation; either version 2 of the License, or (at your option)

 * any later version.

 *

 */

#include <linux/errno.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/seq_file.h>

#include <linux/slab.h>

#include <linux/string.h>

#include <linux/crypto.h>

#include <crypto/algapi.h>

#include <linux/cryptouser.h>

#include <linux/compiler.h>

#include <net/netlink.h>

#include <crypto/kpp.h>

#include <crypto/internal/kpp.h>

#include "internal.h"

​

#ifdef CONFIG_NET

static int crypto_kpp_report(struct sk_buff *skb, struct crypto_alg *alg)

{

    struct crypto_report_kpp rkpp;

​

    memset(&rkpp, 0, sizeof(rkpp));

​

    strscpy(rkpp.type, "kpp", sizeof(rkpp.type));

​

    return nla_put(skb, CRYPTOCFGA_REPORT_KPP, sizeof(rkpp), &rkpp);

}

#else

static int crypto_kpp_report(struct sk_buff *skb, struct crypto_alg *alg)

{

    return -ENOSYS;

}

#endif

​

static void crypto_kpp_show(struct seq_file *m, struct crypto_alg *alg)

    __maybe_unused;

​

static void crypto_kpp_show(struct seq_file *m, struct crypto_alg *alg)

{

    seq_puts(m, "type         : kpp\n");

}

​

static void crypto_kpp_exit_tfm(struct crypto_tfm *tfm)

{

    struct crypto_kpp *kpp = __crypto_kpp_tfm(tfm);

    struct kpp_alg *alg = crypto_kpp_alg(kpp);

​

    alg->exit(kpp);

}

​

static int crypto_kpp_init_tfm(struct crypto_tfm *tfm)

{