1 #ifndef _FS_CEPH_CRYPTO_H 2 #define _FS_CEPH_CRYPTO_H 3 4 #include "types.h" 5 #include "buffer.h" 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 { 19 kfree(key->key); 20 } 21 22 extern int ceph_crypto_key_encode(struct ceph_crypto_key *key, 23 void **p, void *end); 24 extern int ceph_crypto_key_decode(struct ceph_crypto_key *key, 25 void **p, void *end); 26 extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in); 27 28 /* crypto.c */ 29 extern int ceph_decrypt(struct ceph_crypto_key *secret, 30 void *dst, size_t *dst_len, 31 const void *src, size_t src_len); 32 extern int ceph_encrypt(struct ceph_crypto_key *secret, 33 void *dst, size_t *dst_len, 34 const void *src, size_t src_len); 35 extern 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); 39 extern 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 */ 45 extern int ceph_armor(char *dst, const void *src, const void *end); 46 extern int ceph_unarmor(void *dst, const char *src, const char *end); 47 48 #endif 49