32 	struct bignum *n = os_zalloc(sizeof(mp_int));  in bignum_init()  local
33 	if (n == NULL)  in bignum_init()
35 	if (mp_init((mp_int *) n) != MP_OKAY) {  in bignum_init()
36 		os_free(n);  in bignum_init()
37 		n = NULL;  in bignum_init()
39 	return n;  in bignum_init()
47 void bignum_deinit(struct bignum *n)  in bignum_deinit()  argument
49 	if (n) {  in bignum_deinit()
50 		mp_clear((mp_int *) n);  in bignum_deinit()
51 		os_free(n);  in bignum_deinit()
61 size_t bignum_get_unsigned_bin_len(struct bignum *n)  in bignum_get_unsigned_bin_len()  argument
63 	return mp_unsigned_bin_size((mp_int *) n);  in bignum_get_unsigned_bin_len()
75 int bignum_get_unsigned_bin(const struct bignum *n, u8 *buf, size_t *len)  in bignum_get_unsigned_bin()  argument
77 	size_t need = mp_unsigned_bin_size((mp_int *) n);  in bignum_get_unsigned_bin()
82 	if (mp_to_unsigned_bin((mp_int *) n, buf) != MP_OKAY) {  in bignum_get_unsigned_bin()
99 int bignum_set_unsigned_bin(struct bignum *n, const u8 *buf, size_t len)  in bignum_set_unsigned_bin()  argument
101 	if (mp_read_unsigned_bin((mp_int *) n, (u8 *) buf, len) != MP_OKAY) {  in bignum_set_unsigned_bin()