| Sage Weil | 8b6e4f2 | 2010-02-02 16:07:07 -0800 | [diff] [blame] | 1 | #ifndef _FS_CEPH_CRYPTO_H |
| 2 | #define _FS_CEPH_CRYPTO_H |
| 3 | |
| 4 | #include "types.h" |
| 5 | #include "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 | kfree(key->key); |
| 20 | } |
| 21 | |
| 22 | extern int ceph_crypto_key_encode(struct ceph_crypto_key *key, |
| 23 | void **p, void *end); |
| 24 | extern int ceph_crypto_key_decode(struct ceph_crypto_key *key, |
| 25 | void **p, void *end); |
| 26 | extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); |
| 27 | |
| 28 | /* crypto.c */ |
| 29 | extern int ceph_decrypt(struct ceph_crypto_key *secret, |
| 30 | void *dst, size_t *dst_len, |
| 31 | const void *src, size_t src_len); |
| 32 | extern int ceph_encrypt(struct ceph_crypto_key *secret, |
| 33 | void *dst, size_t *dst_len, |
| 34 | const void *src, size_t src_len); |
| 35 | extern int ceph_decrypt2(struct ceph_crypto_key *secret, |
| 36 | void *dst1, size_t *dst1_len, |
| 37 | void *dst2, size_t *dst2_len, |
| 38 | const void *src, size_t src_len); |
| 39 | extern int ceph_encrypt2(struct ceph_crypto_key *secret, |
| 40 | void *dst, size_t *dst_len, |
| 41 | const void *src1, size_t src1_len, |
| 42 | const void *src2, size_t src2_len); |
| 43 | |
| 44 | /* armor.c */ |
| 45 | extern int ceph_armor(char *dst, const void *src, const void *end); |
| 46 | extern int ceph_unarmor(void *dst, const char *src, const char *end); |
| 47 | |
| 48 | #endif |