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linux-next/net/ceph/crypto.h
Tommi Virtanen 8323c3aa74 ceph: Move secret key parsing earlier.
This makes the base64 logic be contained in mount option parsing,
and prepares us for replacing the homebew key management with the
kernel key retention service.

Signed-off-by: Tommi Virtanen <tommi.virtanen@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
2011-03-29 12:11:16 -07:00

51 lines
1.4 KiB
C

#ifndef _FS_CEPH_CRYPTO_H
#define _FS_CEPH_CRYPTO_H
#include <linux/ceph/types.h>
#include <linux/ceph/buffer.h>
/*
* cryptographic secret
*/
struct ceph_crypto_key {
int type;
struct ceph_timespec created;
int len;
void *key;
};
static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
{
kfree(key->key);
}
extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
const struct ceph_crypto_key *src);
extern int ceph_crypto_key_encode(struct ceph_crypto_key *key,
void **p, void *end);
extern int ceph_crypto_key_decode(struct ceph_crypto_key *key,
void **p, void *end);
extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
/* crypto.c */
extern int ceph_decrypt(struct ceph_crypto_key *secret,
void *dst, size_t *dst_len,
const void *src, size_t src_len);
extern int ceph_encrypt(struct ceph_crypto_key *secret,
void *dst, size_t *dst_len,
const void *src, size_t src_len);
extern int ceph_decrypt2(struct ceph_crypto_key *secret,
void *dst1, size_t *dst1_len,
void *dst2, size_t *dst2_len,
const void *src, size_t src_len);
extern int ceph_encrypt2(struct ceph_crypto_key *secret,
void *dst, size_t *dst_len,
const void *src1, size_t src1_len,
const void *src2, size_t src2_len);
/* armor.c */
extern int ceph_armor(char *dst, const char *src, const char *end);
extern int ceph_unarmor(char *dst, const char *src, const char *end);
#endif