tipc: add new AEAD key structure for user API

[ Upstream commit 134bdac397661a5841d9f27f508190c68b26232b ]

The new structure 'tipc_aead_key' is added to the 'tipc.h' for user to
be able to transfer a key to TIPC in kernel. Netlink will be used for
this purpose in the later commits.

Acked-by: Ying Xue <ying.xue@windreiver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 6a2fa13312e5 ("tipc: Fix use-after-free of kernel socket in cleanup_bearer().")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Tuong Lien 2019-11-08 12:05:10 +07:00 committed by Greg Kroah-Hartman
parent 0b8f0026bb
commit bd09e2482d

View file

@ -232,6 +232,27 @@ struct tipc_sioc_nodeid_req {
char node_id[TIPC_NODEID_LEN];
};
/*
* TIPC Crypto, AEAD
*/
#define TIPC_AEAD_ALG_NAME (32)
struct tipc_aead_key {
char alg_name[TIPC_AEAD_ALG_NAME];
unsigned int keylen; /* in bytes */
char key[];
};
#define TIPC_AEAD_KEYLEN_MIN (16 + 4)
#define TIPC_AEAD_KEYLEN_MAX (32 + 4)
#define TIPC_AEAD_KEY_SIZE_MAX (sizeof(struct tipc_aead_key) + \
TIPC_AEAD_KEYLEN_MAX)
static inline int tipc_aead_key_size(struct tipc_aead_key *key)
{
return sizeof(*key) + key->keylen;
}
/* The macros and functions below are deprecated:
*/