105 lines
2.8 KiB
C
Executable file
105 lines
2.8 KiB
C
Executable file
/*
|
|
* Wrappers for backward compatibility with old Kernels.
|
|
*
|
|
* Copyright (C) 2019 Samsung Electronics, Inc.
|
|
*
|
|
* Egor Uleyskiy, <e.uleyskiy@samsung.com>
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#ifndef __LINUX_FIVE_CRYPTO_COMP_H
|
|
#define __LINUX_FIVE_CRYPTO_COMP_H
|
|
|
|
#include <linux/version.h>
|
|
#include <crypto/public_key.h>
|
|
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 6, 0)
|
|
static inline int five_verify_signature(struct key *key,
|
|
struct public_key_signature *pks,
|
|
struct five_cert *cert,
|
|
struct five_cert_header *header)
|
|
{
|
|
int ret = -ENOMEM;
|
|
|
|
pks->pkey_hash_algo = header->hash_algo;
|
|
pks->nr_mpi = 1;
|
|
pks->rsa.s = mpi_read_raw_data(cert->signature->value,
|
|
cert->signature->length);
|
|
|
|
if (pks->rsa.s)
|
|
ret = verify_signature(key, pks);
|
|
|
|
mpi_free(pks->rsa.s);
|
|
|
|
return ret;
|
|
}
|
|
#elif LINUX_VERSION_CODE < KERNEL_VERSION(4, 20, 0)
|
|
static inline int five_verify_signature(struct key *key,
|
|
struct public_key_signature *pks,
|
|
struct five_cert *cert,
|
|
struct five_cert_header *header)
|
|
{
|
|
int ret = -ENOMEM;
|
|
|
|
pks->pkey_algo = "rsa";
|
|
pks->hash_algo = hash_algo_name[header->hash_algo];
|
|
pks->s = cert->signature->value;
|
|
pks->s_size = cert->signature->length;
|
|
|
|
ret = verify_signature(key, pks);
|
|
|
|
return ret;
|
|
}
|
|
#else
|
|
static inline int five_verify_signature(struct key *key,
|
|
struct public_key_signature *pks,
|
|
struct five_cert *cert,
|
|
struct five_cert_header *header)
|
|
{
|
|
int ret = -ENOMEM;
|
|
|
|
pks->pkey_algo = "rsa";
|
|
pks->encoding = "pkcs1";
|
|
pks->hash_algo = hash_algo_name[header->hash_algo];
|
|
pks->s = cert->signature->value;
|
|
pks->s_size = cert->signature->length;
|
|
|
|
ret = verify_signature(key, pks);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0)
|
|
static inline struct key *five_keyring_alloc(const char *description,
|
|
kuid_t uid, kgid_t gid, const struct cred *cred,
|
|
key_perm_t perm, unsigned long flags)
|
|
{
|
|
return keyring_alloc(description, uid, gid, cred,
|
|
perm, flags, NULL);
|
|
}
|
|
#else
|
|
static inline struct key *five_keyring_alloc(const char *description,
|
|
kuid_t uid, kgid_t gid, const struct cred *cred,
|
|
key_perm_t perm, unsigned long flags)
|
|
{
|
|
return keyring_alloc(description, uid, gid, cred,
|
|
perm, flags, NULL, NULL);
|
|
}
|
|
#endif
|
|
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 3, 0)
|
|
#define keyring_search(keyring, type, desc, recurse) \
|
|
keyring_search(keyring, type, desc)
|
|
#endif
|
|
|
|
#endif /* __LINUX_FIVE_CRYPTO_COMP_H */
|