linux/fs/ceph/crypto.h

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#ifndef _FS_CEPH_CRYPTO_H
#define _FS_CEPH_CRYPTO_H
#include "types.h"
#include "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_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