63 static int init(void **a)  in init()  argument
71 	*a = bn;  in init()
75 static int init_size(int size_bits __unused, void **a)  in init_size()  argument
77 	return init(a);  in init_size()
80 static void deinit(void *a)  in deinit()  argument
82 	mbedtls_mpi_free((mbedtls_mpi *)a);  in deinit()
83 	mempool_free(mbedtls_mpi_mempool, a);  in deinit()
86 static int neg(void *a, void *b)  in neg()  argument
88 	if (mbedtls_mpi_copy(b, a))  in neg()
94 static int copy(void *a, void *b)  in copy()  argument
96 	if (mbedtls_mpi_copy(b, a))  in copy()
101 static int init_copy(void **a, void *b)  in init_copy()  argument
103 	if (init(a) != CRYPT_OK) {  in init_copy()
106 	return copy(b, *a);  in init_copy()
110 static int set_int(void *a, ltc_mp_digit b)  in set_int()  argument
120 	if (mbedtls_mpi_copy(a, &bn))  in set_int()
125 static unsigned long get_int(void *a)  in get_int()  argument
127 	mbedtls_mpi *bn = a;  in get_int()
135 static ltc_mp_digit get_digit(void *a, int n)  in get_digit()  argument
137 	mbedtls_mpi *bn = a;  in get_digit()
147 static int get_digit_count(void *a)  in get_digit_count()  argument
149 	return ROUNDUP_DIV(mbedtls_mpi_size(a), sizeof(mbedtls_mpi_uint));  in get_digit_count()
152 static int compare(void *a, void *b)  in compare()  argument
154 	int ret = mbedtls_mpi_cmp_mpi(a, b);  in compare()
165 static int compare_d(void *a, ltc_mp_digit b)  in compare_d()  argument
181 	int ret = compare(a, &bn);  in compare_d()
188 static int count_bits(void *a)  in count_bits()  argument
190 	return mbedtls_mpi_bitlen(a);  in count_bits()
193 static int count_lsb_bits(void *a)  in count_lsb_bits()  argument
195 	return mbedtls_mpi_lsb(a);  in count_lsb_bits()
199 static int twoexpt(void *a, int n)  in twoexpt()  argument
201 	if (mbedtls_mpi_set_bit(a, n, 1))  in twoexpt()
210 static int read_radix(void *a, const char *b, int radix)  in read_radix()  argument
212 	int res = mbedtls_mpi_read_string(a, radix, b);  in read_radix()
223 static int write_radix(void *a, char *b, int radix)  in write_radix()  argument
226 	int res = mbedtls_mpi_write_string(a, radix, b, ol, &ol);  in write_radix()
237 static unsigned long unsigned_size(void *a)  in unsigned_size()  argument
239 	return mbedtls_mpi_size(a);  in unsigned_size()
243 static int unsigned_write(void *a, unsigned char *b)  in unsigned_write()  argument
245 	int res = mbedtls_mpi_write_binary(a, b, unsigned_size(a));  in unsigned_write()
256 static int unsigned_read(void *a, unsigned char *b, unsigned long len)  in unsigned_read()  argument
258 	int res = mbedtls_mpi_read_binary(a, b, len);  in unsigned_read()
269 static int add(void *a, void *b, void *c)  in add()  argument
271 	if (mbedtls_mpi_add_mpi(c, a, b))  in add()
277 static int addi(void *a, ltc_mp_digit b, void *c)  in addi()  argument
287 	return add(a, &bn, c);  in addi()
291 static int sub(void *a, void *b, void *c)  in sub()  argument
293 	if (mbedtls_mpi_sub_mpi(c, a, b))  in sub()
299 static int subi(void *a, ltc_mp_digit b, void *c)  in subi()  argument
309 	return sub(a, &bn, c);  in subi()
313 static int mul(void *a, void *b, void *c)  in mul()  argument
315 	if (mbedtls_mpi_mul_mpi(c, a, b))  in mul()
321 static int muli(void *a, ltc_mp_digit b, void *c)  in muli()  argument
326 	if (mbedtls_mpi_mul_int(c, a, b))  in muli()
333 static int sqr(void *a, void *b)  in sqr()  argument
335 	return mul(a, a, b);  in sqr()
339 static int divide(void *a, void *b, void *c, void *d)  in divide()  argument
341 	int res = mbedtls_mpi_div_mpi(c, d, a, b);  in divide()
351 static int div_2(void *a, void *b)  in div_2()  argument
353 	if (mbedtls_mpi_copy(b, a))  in div_2()
363 static int modi(void *a, ltc_mp_digit b, ltc_mp_digit *c)  in modi()  argument
376 	res = mbedtls_mpi_mod_mpi(&bn_c, &bn_b, a);  in modi()
390 static int gcd(void *a, void *b, void *c)  in gcd()  argument
392 	if (mbedtls_mpi_gcd(c, a, b))  in gcd()
399 static int lcm(void *a, void *b, void *c)  in lcm()  argument
405 	if (mbedtls_mpi_mul_mpi(&tmp, a, b))  in lcm()
408 	if (mbedtls_mpi_gcd(c, a, b))  in lcm()
418 static int mod(void *a, void *b, void *c)  in mod()  argument
420 	int res = mbedtls_mpi_mod_mpi(c, a, b);  in mod()
430 static int addmod(void *a, void *b, void *c, void *d)  in addmod()  argument
432 	int res = add(a, b, d);  in addmod()
440 static int submod(void *a, void *b, void *c, void *d)  in submod()  argument
442 	int res = sub(a, b, d);  in submod()
450 static int mulmod(void *a, void *b, void *c, void *d)  in mulmod()  argument
459 	res = mod(a, c, &ta);  in mulmod()
475 static int sqrmod(void *a, void *b, void *c)  in sqrmod()  argument
477 	return mulmod(a, a, b, c);  in sqrmod()
481 static int invmod(void *a, void *b, void *c)  in invmod()  argument
483 	int res = mbedtls_mpi_inv_mod(c, a, b);  in invmod()
495 static int montgomery_setup(void *a, void **b)  in montgomery_setup()  argument
501 	mbedtls_mpi_montg_init(*b, a);  in montgomery_setup()
507 static int montgomery_normalization(void *a, void *b)  in montgomery_normalization()  argument
511 	if (mbedtls_mpi_lset(a, 1))  in montgomery_normalization()
513 	if (mbedtls_mpi_shift_l(a, c))  in montgomery_normalization()
515 	if (mbedtls_mpi_mod_mpi(a, a, b))  in montgomery_normalization()
522 static int montgomery_reduce(void *a, void *b, void *c)  in montgomery_reduce()  argument
536 	if (mbedtls_mpi_cmp_mpi(a, N) > 0) {  in montgomery_reduce()
537 		if (mbedtls_mpi_mod_mpi(&A, a, N))  in montgomery_reduce()
540 		if (mbedtls_mpi_copy(&A, a))  in montgomery_reduce()
549 	if (mbedtls_mpi_copy(a, &A))  in montgomery_reduce()
561 static void montgomery_deinit(void *a)  in montgomery_deinit()  argument
563 	mempool_free(mbedtls_mpi_mempool, a);  in montgomery_deinit()
575 static int exptmod(void *a, void *b, void *c, void *d)  in exptmod()  argument
579 	if (d == a || d == b || d == c) {  in exptmod()
583 		res = mbedtls_mpi_exp_mod(&dest, a, b, c, NULL);  in exptmod()
588 		res = mbedtls_mpi_exp_mod(d, a, b, c, NULL);  in exptmod()
604 static int isprime(void *a, int b, int *c)  in isprime()  argument
606 	int res = mbedtls_mpi_is_prime_ext(a, b, rng_read, NULL);  in isprime()
619 static int mpi_rand(void *a, int size)  in mpi_rand()  argument
621 	if (mbedtls_mpi_fill_random(a, size, rng_read, NULL))  in mpi_rand()
708 size_t crypto_bignum_num_bytes(struct bignum *a)  in crypto_bignum_num_bytes()  argument
710 	return mbedtls_mpi_size((mbedtls_mpi *)a);  in crypto_bignum_num_bytes()
713 size_t crypto_bignum_num_bits(struct bignum *a)  in crypto_bignum_num_bits()  argument
715 	return mbedtls_mpi_bitlen((mbedtls_mpi *)a);  in crypto_bignum_num_bits()
718 int32_t crypto_bignum_compare(struct bignum *a, struct bignum *b)  in crypto_bignum_compare()  argument
720 	return mbedtls_mpi_cmp_mpi((mbedtls_mpi *)a, (mbedtls_mpi *)b);  in crypto_bignum_compare()