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 | |
Yehuda Sadeh | 3d14c5d | 2010-04-06 15:14:15 -0700 | [diff] [blame] | 4 | #include <linux/ceph/types.h> |
| 5 | #include <linux/ceph/buffer.h> |
Sage Weil | 8b6e4f2 | 2010-02-02 16:07:07 -0800 | [diff] [blame] | 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 | { |
Ilya Dryomov | cbf99a1 | 2015-10-26 11:03:46 +0100 | [diff] [blame] | 19 | if (key) { |
Sylvain Munaut | f0666b1 | 2012-08-02 09:12:59 -0700 | [diff] [blame] | 20 | kfree(key->key); |
Ilya Dryomov | cbf99a1 | 2015-10-26 11:03:46 +0100 | [diff] [blame] | 21 | key->key = NULL; |
| 22 | } |
Sage Weil | 8b6e4f2 | 2010-02-02 16:07:07 -0800 | [diff] [blame] | 23 | } |
| 24 | |
Joe Perches | 348662a | 2013-10-18 13:48:22 -0700 | [diff] [blame] | 25 | int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |
| 26 | const struct ceph_crypto_key *src); |
| 27 | int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); |
| 28 | int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); |
| 29 | int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); |
Sage Weil | 8b6e4f2 | 2010-02-02 16:07:07 -0800 | [diff] [blame] | 30 | |
| 31 | /* crypto.c */ |
Joe Perches | 348662a | 2013-10-18 13:48:22 -0700 | [diff] [blame] | 32 | int ceph_decrypt(struct ceph_crypto_key *secret, |
| 33 | void *dst, size_t *dst_len, |
| 34 | const void *src, size_t src_len); |
| 35 | int ceph_encrypt(struct ceph_crypto_key *secret, |
| 36 | void *dst, size_t *dst_len, |
| 37 | const void *src, size_t src_len); |
| 38 | 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 | 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); |
Ilya Dryomov | ecf7ced | 2016-12-02 16:35:07 +0100 | [diff] [blame^] | 46 | int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt, |
| 47 | void *buf, int buf_len, int in_len, int *pout_len); |
Joe Perches | 348662a | 2013-10-18 13:48:22 -0700 | [diff] [blame] | 48 | int ceph_crypto_init(void); |
| 49 | void ceph_crypto_shutdown(void); |
Sage Weil | 8b6e4f2 | 2010-02-02 16:07:07 -0800 | [diff] [blame] | 50 | |
| 51 | /* armor.c */ |
Joe Perches | 348662a | 2013-10-18 13:48:22 -0700 | [diff] [blame] | 52 | int ceph_armor(char *dst, const char *src, const char *end); |
| 53 | int ceph_unarmor(char *dst, const char *src, const char *end); |
Sage Weil | 8b6e4f2 | 2010-02-02 16:07:07 -0800 | [diff] [blame] | 54 | |
| 55 | #endif |