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gerrit-public.fairphone.software / kernel / msm-4.9 / ecefbd94b834fa32559d854646d777c56749ef1c / . / net / ceph / crypto.h
blob: 3572dc518bc984aece38fb8bd9f8cbe7b1b5c239 [file] [log] [blame]
Sage Weil8b6e4f22010-02-02 16:07:07 -0800[diff] [blame]1#ifndef _FS_CEPH_CRYPTO_H
2#define _FS_CEPH_CRYPTO_H
3
Yehuda Sadeh3d14c5d2010-04-06 15:14:15 -0700[diff] [blame]4#include <linux/ceph/types.h>
5#include <linux/ceph/buffer.h>
Sage Weil8b6e4f22010-02-02 16:07:07 -0800[diff] [blame]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{
Sylvain Munautf0666b12012-08-02 09:12:59 -0700[diff] [blame]19 if (key)
20 kfree(key->key);
Sage Weil8b6e4f22010-02-02 16:07:07 -0800[diff] [blame]21}
22
Tommi Virtanen8323c3a2011-03-25 16:32:57 -0700[diff] [blame]23extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
24 const struct ceph_crypto_key *src);
Sage Weil8b6e4f22010-02-02 16:07:07 -0800[diff] [blame]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);
Tommi Virtanen4b2a58a2011-03-28 14:59:38 -0700[diff] [blame]46extern int ceph_crypto_init(void);
47extern void ceph_crypto_shutdown(void);
Sage Weil8b6e4f22010-02-02 16:07:07 -0800[diff] [blame]48
49/* armor.c */
Yehuda Sadehcd84db62010-06-11 16:58:48 -0700[diff] [blame]50extern int ceph_armor(char *dst, const char *src, const char *end);
51extern int ceph_unarmor(char *dst, const char *src, const char *end);
Sage Weil8b6e4f22010-02-02 16:07:07 -0800[diff] [blame]52
53#endif