1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _FS_CEPH_CRYPTO_H 3 #define _FS_CEPH_CRYPTO_H 4 5 #include <linux/ceph/types.h> 6 #include <linux/ceph/buffer.h> 7 8 /* 9 * cryptographic secret 10 */ 11 struct ceph_crypto_key { 12 int type; 13 struct ceph_timespec created; 14 int len; 15 void *key; 16 struct crypto_sync_skcipher *tfm; 17 }; 18 19 int ceph_crypto_key_clone(struct ceph_crypto_key *dst, 20 const struct ceph_crypto_key *src); 21 int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); 22 int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); 23 int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); 24 void ceph_crypto_key_destroy(struct ceph_crypto_key *key); 25 26 /* crypto.c */ 27 int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt, 28 void *buf, int buf_len, int in_len, int *pout_len); 29 int ceph_crypto_init(void); 30 void ceph_crypto_shutdown(void); 31 32 /* armor.c */ 33 int ceph_armor(char *dst, const char *src, const char *end); 34 int ceph_unarmor(char *dst, const char *src, const char *end); 35 36 #endif 37