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 }; 16 17 static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key) 18 { 19 if (key) 20 kfree(key->key); 21 } 22 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); 28 29 /* crypto.c */ 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); 46 47 /* armor.c */ 48 int ceph_armor(char *dst, const char *src, const char *end); 49 int ceph_unarmor(char *dst, const char *src, const char *end); 50 51 #endif 52