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 struct crypto_skcipher *tfm; 16 }; 17 18 int ceph_crypto_key_clone(struct ceph_crypto_key *dst, 19 const struct ceph_crypto_key *src); 20 int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); 21 int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); 22 int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); 23 void ceph_crypto_key_destroy(struct ceph_crypto_key *key); 24 25 /* crypto.c */ 26 int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt, 27 void *buf, int buf_len, int in_len, int *pout_len); 28 int ceph_crypto_init(void); 29 void ceph_crypto_shutdown(void); 30 31 /* armor.c */ 32 int ceph_armor(char *dst, const char *src, const char *end); 33 int ceph_unarmor(char *dst, const char *src, const char *end); 34 35 #endif 36