1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _FS_CEPH_CRYPTO_H |
3 | #define _FS_CEPH_CRYPTO_H |
4 | |
5 | #include <linux/ceph/types.h> |
6 | #include <linux/ceph/buffer.h> |
7 | |
8 | #define CEPH_KEY_LEN 16 |
9 | #define CEPH_MAX_CON_SECRET_LEN 64 |
10 | |
11 | /* |
12 | * cryptographic secret |
13 | */ |
14 | struct ceph_crypto_key { |
15 | int type; |
16 | struct ceph_timespec created; |
17 | int len; |
18 | void *key; |
19 | struct crypto_sync_skcipher *tfm; |
20 | }; |
21 | |
22 | int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |
23 | const struct ceph_crypto_key *src); |
24 | int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); |
25 | int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); |
26 | int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); |
27 | void ceph_crypto_key_destroy(struct ceph_crypto_key *key); |
28 | |
29 | /* crypto.c */ |
30 | int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt, |
31 | void *buf, int buf_len, int in_len, int *pout_len); |
32 | int ceph_crypto_init(void); |
33 | void ceph_crypto_shutdown(void); |
34 | |
35 | /* armor.c */ |
36 | int ceph_armor(char *dst, const char *src, const char *end); |
37 | int ceph_unarmor(char *dst, const char *src, const char *end); |
38 | |
39 | #endif |
40 | |