| #ifndef _FS_CEPH_CRYPTO_H |
| #define _FS_CEPH_CRYPTO_H |
| |
| #include <linux/ceph/types.h> |
| #include <linux/ceph/buffer.h> |
| |
| /* |
| * cryptographic secret |
| */ |
| struct ceph_crypto_key { |
| int type; |
| struct ceph_timespec created; |
| int len; |
| void *key; |
| struct crypto_skcipher *tfm; |
| }; |
| |
| int ceph_crypto_key_clone(struct ceph_crypto_key *dst, |
| const struct ceph_crypto_key *src); |
| int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); |
| int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); |
| int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); |
| void ceph_crypto_key_destroy(struct ceph_crypto_key *key); |
| |
| /* crypto.c */ |
| int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt, |
| void *buf, int buf_len, int in_len, int *pout_len); |
| int ceph_crypto_init(void); |
| void ceph_crypto_shutdown(void); |
| |
| /* armor.c */ |
| int ceph_armor(char *dst, const char *src, const char *end); |
| int ceph_unarmor(char *dst, const char *src, const char *end); |
| |
| #endif |