Function fxBigInt_mod_sub

modules/crypt/arith/xsBigIntEx.c:139–155

}

txBigInt *fxBigInt_mod_sub(txMachine *the, txBigInt *r, txBigInt *a, txBigInt *b, txBigInt *m, pool_t *pool)
{
	txBigInt *c = pool_get(the, m->size + 1, pool);

	fxBigInt_sub(the, c, a, b);
	if (c->sign) {
		while (c->sign)
			fxBigInt_add(the, c, c, m);
	}
	else {
		while (fxBigInt_ucomp(c, m) >= 0)
			fxBigInt_sub(the, c, c, m);
	}
	fxBigInt_copy(r, c);
	pool_put(c, m->size + 1);
	return r;
}

txBigInt *fxBigInt_mod_inv(txMachine *the, txBigInt *r, txBigInt *a, txBigInt *m, pool_t *pool)
{