#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