[linux.git] / net / ceph / crypto.h

#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)
{
	if (key) {
		kfree(key->key);
		key->key = NULL;
	}
}

int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
			  const struct ceph_crypto_key *src);
int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end);
int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end);
int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);

/* crypto.c */
int ceph_decrypt(struct ceph_crypto_key *secret,
		 void *dst, size_t *dst_len,
		 const void *src, size_t src_len);
int ceph_encrypt(struct ceph_crypto_key *secret,
		 void *dst, size_t *dst_len,
		 const void *src, size_t src_len);
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);
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);
int ceph_crypto_init(void);
void ceph_crypto_shutdown(void);

/* armor.c */
int ceph_armor(char *dst, const char *src, const char *end);
int ceph_unarmor(char *dst, const char *src, const char *end);

#endif
Commit	Line	Data
8b6e4f2d SW	1	#ifndef _FS_CEPH_CRYPTO_H
	2	#define _FS_CEPH_CRYPTO_H
	3
3d14c5d2 YS	4	#include <linux/ceph/types.h>
3d14c5d2 YS	5	#include <linux/ceph/buffer.h>
8b6e4f2d SW	6
	7	/*
	8	* cryptographic secret
	9	*/
	10	struct ceph_crypto_key {
	11	int type;
	12	struct ceph_timespec created;
	13	int len;
	14	void *key;
	15	};
	16
	17	static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
	18	{
cbf99a11	19	if (key) {
f0666b1a	20	kfree(key->key);
cbf99a11 ID	21	key->key = NULL;
cbf99a11 ID	22	}
8b6e4f2d SW	23	}
8b6e4f2d SW	24
348662a1 JP	25	int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
	26	const struct ceph_crypto_key *src);
	27	int ceph_crypto_key_encode(struct ceph_crypto_key key, void p, void end);
	28	int ceph_crypto_key_decode(struct ceph_crypto_key key, void p, void end);
	29	int ceph_crypto_key_unarmor(struct ceph_crypto_key key, const char in);
8b6e4f2d SW	30
8b6e4f2d SW	31	/* crypto.c */
348662a1 JP	32	int ceph_decrypt(struct ceph_crypto_key *secret,
	33	void dst, size_t dst_len,
	34	const void *src, size_t src_len);
	35	int ceph_encrypt(struct ceph_crypto_key *secret,
	36	void dst, size_t dst_len,
	37	const void *src, size_t src_len);
	38	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);
	42	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);
	46	int ceph_crypto_init(void);
	47	void ceph_crypto_shutdown(void);
8b6e4f2d SW	48
8b6e4f2d SW	49	/* armor.c */
348662a1 JP	50	int ceph_armor(char dst, const char src, const char *end);
348662a1 JP	51	int ceph_unarmor(char dst, const char src, const char *end);
8b6e4f2d SW	52
8b6e4f2d SW	53	#endif