forked from luck/tmp_suning_uos_patched
381ceef785
Don't #include crypto/public_key.h in akcipher as the contents of the header aren't used and changes in a future patch cause it to fail to compile if CONFIG_KEYS=n. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/*
|
|
* Public Key Encryption
|
|
*
|
|
* Copyright (c) 2015, Intel Corporation
|
|
* Authors: Tadeusz Struk <tadeusz.struk@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 <net/netlink.h>
|
|
#include <crypto/akcipher.h>
|
|
#include "internal.h"
|
|
|
|
#ifdef CONFIG_NET
|
|
static int crypto_akcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
|
|
{
|
|
struct crypto_report_akcipher rakcipher;
|
|
|
|
strncpy(rakcipher.type, "akcipher", sizeof(rakcipher.type));
|
|
|
|
if (nla_put(skb, CRYPTOCFGA_REPORT_AKCIPHER,
|
|
sizeof(struct crypto_report_akcipher), &rakcipher))
|
|
goto nla_put_failure;
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
return -EMSGSIZE;
|
|
}
|
|
#else
|
|
static int crypto_akcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
#endif
|
|
|
|
static void crypto_akcipher_show(struct seq_file *m, struct crypto_alg *alg)
|
|
__attribute__ ((unused));
|
|
|
|
static void crypto_akcipher_show(struct seq_file *m, struct crypto_alg *alg)
|
|
{
|
|
seq_puts(m, "type : akcipher\n");
|
|
}
|
|
|
|
static void crypto_akcipher_exit_tfm(struct crypto_tfm *tfm)
|
|
{
|
|
struct crypto_akcipher *akcipher = __crypto_akcipher_tfm(tfm);
|
|
struct akcipher_alg *alg = crypto_akcipher_alg(akcipher);
|
|
|
|
alg->exit(akcipher);
|
|
}
|
|
|
|
static int crypto_akcipher_init_tfm(struct crypto_tfm *tfm)
|
|
{
|
|
struct crypto_akcipher *akcipher = __crypto_akcipher_tfm(tfm);
|
|
struct akcipher_alg *alg = crypto_akcipher_alg(akcipher);
|
|
|
|
if (alg->exit)
|
|
akcipher->base.exit = crypto_akcipher_exit_tfm;
|
|
|
|
if (alg->init)
|
|
return alg->init(akcipher);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct crypto_type crypto_akcipher_type = {
|
|
.extsize = crypto_alg_extsize,
|
|
.init_tfm = crypto_akcipher_init_tfm,
|
|
#ifdef CONFIG_PROC_FS
|
|
.show = crypto_akcipher_show,
|
|
#endif
|
|
.report = crypto_akcipher_report,
|
|
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
|
|
.maskset = CRYPTO_ALG_TYPE_MASK,
|
|
.type = CRYPTO_ALG_TYPE_AKCIPHER,
|
|
.tfmsize = offsetof(struct crypto_akcipher, base),
|
|
};
|
|
|
|
struct crypto_akcipher *crypto_alloc_akcipher(const char *alg_name, u32 type,
|
|
u32 mask)
|
|
{
|
|
return crypto_alloc_tfm(alg_name, &crypto_akcipher_type, type, mask);
|
|
}
|
|
EXPORT_SYMBOL_GPL(crypto_alloc_akcipher);
|
|
|
|
int crypto_register_akcipher(struct akcipher_alg *alg)
|
|
{
|
|
struct crypto_alg *base = &alg->base;
|
|
|
|
base->cra_type = &crypto_akcipher_type;
|
|
base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK;
|
|
base->cra_flags |= CRYPTO_ALG_TYPE_AKCIPHER;
|
|
return crypto_register_alg(base);
|
|
}
|
|
EXPORT_SYMBOL_GPL(crypto_register_akcipher);
|
|
|
|
void crypto_unregister_akcipher(struct akcipher_alg *alg)
|
|
{
|
|
crypto_unregister_alg(&alg->base);
|
|
}
|
|
EXPORT_SYMBOL_GPL(crypto_unregister_akcipher);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("Generic public key cipher type");
|