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1 | #ifndef _FS_CEPH_CRYPTO_H |
2 | #define _FS_CEPH_CRYPTO_H |
3 | |
4 | #include <linux/ceph/types.h> |
5 | #include <linux/ceph/buffer.h> |
6 | |
7 | /* |
8 | * cryptographic secret |
9 | */ |
10 | struct ceph_crypto_key { |
11 | int type; |
12 | struct ceph_timespec created; |
13 | int len; |
14 | void *key; |
15 | }; |
16 | |
17 | static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key) |
18 | { |
19 | if (key) |
20 | kfree(key->key); |
21 | } |
22 | |
23 | extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |
24 | const struct ceph_crypto_key *src); |
25 | extern int ceph_crypto_key_encode(struct ceph_crypto_key *key, |
26 | void **p, void *end); |
27 | extern int ceph_crypto_key_decode(struct ceph_crypto_key *key, |
28 | void **p, void *end); |
29 | extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); |
30 | |
31 | /* crypto.c */ |
32 | extern int ceph_decrypt(struct ceph_crypto_key *secret, |
33 | void *dst, size_t *dst_len, |
34 | const void *src, size_t src_len); |
35 | extern int ceph_encrypt(struct ceph_crypto_key *secret, |
36 | void *dst, size_t *dst_len, |
37 | const void *src, size_t src_len); |
38 | extern int ceph_decrypt2(struct ceph_crypto_key *secret, |
39 | void *dst1, size_t *dst1_len, |
40 | void *dst2, size_t *dst2_len, |
41 | const void *src, size_t src_len); |
42 | extern int ceph_encrypt2(struct ceph_crypto_key *secret, |
43 | void *dst, size_t *dst_len, |
44 | const void *src1, size_t src1_len, |
45 | const void *src2, size_t src2_len); |
46 | extern int ceph_crypto_init(void); |
47 | extern void ceph_crypto_shutdown(void); |
48 | |
49 | /* armor.c */ |
50 | extern int ceph_armor(char *dst, const char *src, const char *end); |
51 | extern int ceph_unarmor(char *dst, const char *src, const char *end); |
52 | |
53 | #endif |
54 |
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