| 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_decode(struct ceph_crypto_key *key, void **p, void *end); |
| 25 | int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); |
| 26 | void ceph_crypto_key_destroy(struct ceph_crypto_key *key); |
| 27 | |
| 28 | /* crypto.c */ |
| 29 | int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt, |
| 30 | void *buf, int buf_len, int in_len, int *pout_len); |
| 31 | int ceph_crypto_init(void); |
| 32 | void ceph_crypto_shutdown(void); |
| 33 | |
| 34 | /* armor.c */ |
| 35 | int ceph_armor(char *dst, const char *src, const char *end); |
| 36 | int ceph_unarmor(char *dst, const char *src, const char *end); |
| 37 | |
| 38 | #endif |