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#define CEPH_KEY_LEN                    16
   9#define CEPH_MAX_CON_SECRET_LEN         64
  10
  11/*
  12 * cryptographic secret
  13 */
  14struct ceph_crypto_key {
  15        int type;
  16        struct ceph_timespec created;
  17        int len;
  18        void *key;
  19        struct crypto_sync_skcipher *tfm;
  20};
  21
  22int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
  23                          const struct ceph_crypto_key *src);
  24int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
  25int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
  26int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
  27void ceph_crypto_key_destroy(struct ceph_crypto_key *key);
  28
  29/* crypto.c */
  30int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt,
  31               void *buf, int buf_len, int in_len, int *pout_len);
  32int ceph_crypto_init(void);
  33void ceph_crypto_shutdown(void);
  34
  35/* armor.c */
  36int ceph_armor(char *dst, const char *src, const char *end);
  37int ceph_unarmor(char *dst, const char *src, const char *end);
  38
  39#endif
  40