linux/net/ceph/crypto.h
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   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 */
  10struct ceph_crypto_key {
  11        int type;
  12        struct ceph_timespec created;
  13        int len;
  14        void *key;
  15};
  16
  17static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
  18{
  19        if (key)
  20                kfree(key->key);
  21}
  22
  23extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
  24                                 const struct ceph_crypto_key *src);
  25extern int ceph_crypto_key_encode(struct ceph_crypto_key *key,
  26                                  void **p, void *end);
  27extern int ceph_crypto_key_decode(struct ceph_crypto_key *key,
  28                                  void **p, void *end);
  29extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
  30
  31/* crypto.c */
  32extern int ceph_decrypt(struct ceph_crypto_key *secret,
  33                        void *dst, size_t *dst_len,
  34                        const void *src, size_t src_len);
  35extern int ceph_encrypt(struct ceph_crypto_key *secret,
  36                        void *dst, size_t *dst_len,
  37                        const void *src, size_t src_len);
  38extern int ceph_decrypt2(struct ceph_crypto_key *secret,
  39                        void *dst1, size_t *dst1_len,
  40                        void *dst2, size_t *dst2_len,
  41                        const void *src, size_t src_len);
  42extern int ceph_encrypt2(struct ceph_crypto_key *secret,
  43                         void *dst, size_t *dst_len,
  44                         const void *src1, size_t src1_len,
  45                         const void *src2, size_t src2_len);
  46extern int ceph_crypto_init(void);
  47extern void ceph_crypto_shutdown(void);
  48
  49/* armor.c */
  50extern int ceph_armor(char *dst, const char *src, const char *end);
  51extern int ceph_unarmor(char *dst, const char *src, const char *end);
  52
  53#endif
  54
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