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Sage Weil8b6e4f22010-02-02 16:07:07 -08001#ifndef _FS_CEPH_CRYPTO_H
2#define _FS_CEPH_CRYPTO_H
3
Yehuda Sadeh3d14c5d2010-04-06 15:14:15 -07004#include <linux/ceph/types.h>
5#include <linux/ceph/buffer.h>
Sage Weil8b6e4f22010-02-02 16:07:07 -08006
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 kfree(key->key);
20}
21
22extern int ceph_crypto_key_encode(struct ceph_crypto_key *key,
23 void **p, void *end);
24extern int ceph_crypto_key_decode(struct ceph_crypto_key *key,
25 void **p, void *end);
26extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
27
28/* crypto.c */
29extern int ceph_decrypt(struct ceph_crypto_key *secret,
30 void *dst, size_t *dst_len,
31 const void *src, size_t src_len);
32extern int ceph_encrypt(struct ceph_crypto_key *secret,
33 void *dst, size_t *dst_len,
34 const void *src, size_t src_len);
35extern int ceph_decrypt2(struct ceph_crypto_key *secret,
36 void *dst1, size_t *dst1_len,
37 void *dst2, size_t *dst2_len,
38 const void *src, size_t src_len);
39extern int ceph_encrypt2(struct ceph_crypto_key *secret,
40 void *dst, size_t *dst_len,
41 const void *src1, size_t src1_len,
42 const void *src2, size_t src2_len);
43
44/* armor.c */
Yehuda Sadehcd84db62010-06-11 16:58:48 -070045extern int ceph_armor(char *dst, const char *src, const char *end);
46extern int ceph_unarmor(char *dst, const char *src, const char *end);
Sage Weil8b6e4f22010-02-02 16:07:07 -080047
48#endif