ecryptfs_key_tfm
struct ecryptfs_key_tfm *key_tfm, *key_tfm_tmp;
ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,
struct ecryptfs_key_tfm *tmp_tfm;
int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm)
struct ecryptfs_key_tfm *tmp_key_tfm;
struct ecryptfs_key_tfm *key_tfm;
ecryptfs_add_new_key_tfm(struct ecryptfs_key_tfm **key_tfm, char *cipher_name,
int ecryptfs_tfm_exists(char *cipher_name, struct ecryptfs_key_tfm **key_tfm);
.size = sizeof(struct ecryptfs_key_tfm),