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_decode(struct ceph_crypto_key *key, void **p, void *end);
25int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
26void ceph_crypto_key_destroy(struct ceph_crypto_key *key);
27
28/* crypto.c */
29int ceph_crypt(const struct ceph_crypto_key *key, bool encrypt,
30	       void *buf, int buf_len, int in_len, int *pout_len);
 
 
 
 
 
 
 
 
 
 
 
 
31int ceph_crypto_init(void);
32void ceph_crypto_shutdown(void);
33
34/* armor.c */
35int ceph_armor(char *dst, const char *src, const char *end);
36int ceph_unarmor(char *dst, const char *src, const char *end);
37
38#endif

 
 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		key->key = NULL;
22	}
23}
24
25int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
26			  const struct ceph_crypto_key *src);
27int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
28int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
29int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
 
30
31/* crypto.c */
32int ceph_decrypt(struct ceph_crypto_key *secret,
33		 void *dst, size_t *dst_len,
34		 const void *src, size_t src_len);
35int ceph_encrypt(struct ceph_crypto_key *secret,
36		 void *dst, size_t *dst_len,
37		 const void *src, size_t src_len);
38int 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);
42int 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);
46int ceph_crypto_init(void);
47void ceph_crypto_shutdown(void);
48
49/* armor.c */
50int ceph_armor(char *dst, const char *src, const char *end);
51int ceph_unarmor(char *dst, const char *src, const char *end);
52
53#endif