LXR linux/net/ceph/crypto.h

   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 */
  11struct ceph_crypto_key {
  12        int type;
  13        struct ceph_timespec created;
  14        int len;
  15        void *key;
  16        struct crypto_skcipher *tfm;
  17};
  18
  19int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
  20                          const struct ceph_crypto_key *src);
  21int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
  22int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
  23int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
  24void ceph_crypto_key_destroy(struct ceph_crypto_key *key);
  25
  26/* crypto.c */
  27int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt,
  28               void *buf, int buf_len, int in_len, int *pout_len);
  29int ceph_crypto_init(void);
  30void ceph_crypto_shutdown(void);
  31
  32/* armor.c */
  33int ceph_armor(char *dst, const char *src, const char *end);
  34int ceph_unarmor(char *dst, const char *src, const char *end);
  35
  36#endif
  37