1#ifndef _FS_CEPH_CRYPTO_H 2#define _FS_CEPH_CRYPTO_H 3 4#include <linux/ceph/types.h> 5#include <linux/ceph/buffer.h> 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{ 19 if (key) 20 kfree(key->key); 21} 22 23int ceph_crypto_key_clone(struct ceph_crypto_key *dst, 24 const struct ceph_crypto_key *src); 25int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end); 26int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end); 27int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); 28 29/* crypto.c */ 30int ceph_decrypt(struct ceph_crypto_key *secret, 31 void *dst, size_t *dst_len, 32 const void *src, size_t src_len); 33int ceph_encrypt(struct ceph_crypto_key *secret, 34 void *dst, size_t *dst_len, 35 const void *src, size_t src_len); 36int ceph_decrypt2(struct ceph_crypto_key *secret, 37 void *dst1, size_t *dst1_len, 38 void *dst2, size_t *dst2_len, 39 const void *src, size_t src_len); 40int ceph_encrypt2(struct ceph_crypto_key *secret, 41 void *dst, size_t *dst_len, 42 const void *src1, size_t src1_len, 43 const void *src2, size_t src2_len); 44int ceph_crypto_init(void); 45void ceph_crypto_shutdown(void); 46 47/* armor.c */ 48int ceph_armor(char *dst, const char *src, const char *end); 49int ceph_unarmor(char *dst, const char *src, const char *end); 50 51#endif 52