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8b6e4f2d SW |
1 | #ifndef _FS_CEPH_CRYPTO_H |
2 | #define _FS_CEPH_CRYPTO_H | |
3 | ||
3d14c5d2 YS |
4 | #include <linux/ceph/types.h> |
5 | #include <linux/ceph/buffer.h> | |
8b6e4f2d SW |
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 | { | |
f0666b1a SM |
19 | if (key) |
20 | kfree(key->key); | |
8b6e4f2d SW |
21 | } |
22 | ||
348662a1 JP |
23 | int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |
24 | const struct ceph_crypto_key *src); | |
25 | int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); | |
26 | int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); | |
27 | int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); | |
8b6e4f2d SW |
28 | |
29 | /* crypto.c */ | |
348662a1 JP |
30 | int ceph_decrypt(struct ceph_crypto_key *secret, |
31 | void *dst, size_t *dst_len, | |
32 | const void *src, size_t src_len); | |
33 | int ceph_encrypt(struct ceph_crypto_key *secret, | |
34 | void *dst, size_t *dst_len, | |
35 | const void *src, size_t src_len); | |
36 | int ceph_decrypt2(struct ceph_crypto_key *secret, | |
37 | void *dst1, size_t *dst1_len, | |
38 | void *dst2, size_t *dst2_len, | |
39 | const void *src, size_t src_len); | |
40 | int ceph_encrypt2(struct ceph_crypto_key *secret, | |
41 | void *dst, size_t *dst_len, | |
42 | const void *src1, size_t src1_len, | |
43 | const void *src2, size_t src2_len); | |
44 | int ceph_crypto_init(void); | |
45 | void ceph_crypto_shutdown(void); | |
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46 | |
47 | /* armor.c */ | |
348662a1 JP |
48 | int ceph_armor(char *dst, const char *src, const char *end); |
49 | int ceph_unarmor(char *dst, const char *src, const char *end); | |
8b6e4f2d SW |
50 | |
51 | #endif |