xts_ctx
xts_encrypt(struct xts_ctx *ctx, u_int8_t *data, size_t len, uint8_t *iv)
xts_decrypt(struct xts_ctx *ctx, u_int8_t *data, size_t len, uint8_t *iv)
xts_uninit(struct xts_ctx *ctx)
xts_reinit(struct xts_ctx *ctx, u_int64_t blocknum)
xts_crypt(struct xts_ctx *ctx, u_int8_t *data, u_int do_encrypt)
xts_init(struct xts_ctx *ctx, void *arg1, void *arg2, set_key_fn _set_key_fn,
int xts_init(struct xts_ctx *ctxp, void *arg1, void *arg2, set_key_fn set_key_fn,
int xts_encrypt(struct xts_ctx *ctx, uint8_t *data, size_t len, uint8_t *iv);
int xts_decrypt(struct xts_ctx *ctx, uint8_t *data, size_t len, uint8_t *iv);
int xts_uninit(struct xts_ctx *ctxp);