#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); } 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); extern int ceph_crypto_init(void); extern void ceph_crypto_shutdown(void); /* 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