/* div */
static int divide(void *a, void *b, void *c, void *d)
{
LTC_ARGCHK(a != NULL);
LTC_ARGCHK(b != NULL);
mpa_div(c, d, (const mpanum) a, (const mpanum) b, external_mem_pool);
return CRYPT_OK;
}
/*------------------------------------------------------------
*
* mpa_mul_mod
*
*/
void mpa_mul_mod(mpanum dest,
const mpanum op1,
const mpanum op2, const mpanum n, mpa_scratch_mem pool)
{
mpanum tmp_dest;
mpa_alloc_static_temp_var(&tmp_dest, pool);
mpa_mul(tmp_dest, op1, op2, pool);
mpa_div(NULL, dest, tmp_dest, n, pool);
mpa_free_static_temp_var(&tmp_dest, pool);
}
/*
* TEE_BigIntDiv
*/
void TEE_BigIntDiv(TEE_BigInt *dest_q, TEE_BigInt *dest_r,
const TEE_BigInt *op1, const TEE_BigInt *op2)
{
mpanum mpa_dest_q = (mpa_num_base *)dest_q;
mpanum mpa_dest_r = (mpa_num_base *)dest_r;
mpanum mpa_op1 = (mpa_num_base *)op1;
mpanum mpa_op2 = (mpa_num_base *)op2;
if (TEE_BigIntCmpS32(op2, 0) == 0)
TEE_BigInt_Panic("Divisor is zero");
mpa_div(mpa_dest_q, mpa_dest_r, mpa_op1, mpa_op2, mempool);
}
/*------------------------------------------------------------
*
* mpa_mod
*
*/
void mpa_mod(mpanum dest, const mpanum op, const mpanum n, mpa_scratch_mem pool)
{
mpa_div(NULL, dest, op, n, pool);
}
