net/ceph/crypto.h

   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