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/*
* Division
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_DIVISON_ALGORITHM_H_
#define BOTAN_DIVISON_ALGORITHM_H_
#include <botan/bigint.h>
namespace Botan {
/**
* BigInt Division
* @param x an integer
* @param y a non-zero integer
* @param q will be set to x / y
* @param r will be set to x % y
*/
void BOTAN_PUBLIC_API(2,0) divide(const BigInt& x,
const BigInt& y,
BigInt& q,
BigInt& r);
/**
* BigInt division, const time variant
*
* This runs with control flow independent of the values of x/y.
* Warning: the loop bounds still leak the sizes of x and y.
*
* @param x an integer
* @param y a non-zero integer
* @param q will be set to x / y
* @param r will be set to x % y
*/
void BOTAN_PUBLIC_API(2,9) ct_divide(const BigInt& x,
const BigInt& y,
BigInt& q,
BigInt& r);
/**
* BigInt division, const time variant
*
* This runs with control flow independent of the values of x/y.
* Warning: the loop bounds still leak the sizes of x and y.
*
* @param x an integer
* @param y a non-zero integer
* @param q will be set to x / y
* @param r will be set to x % y
*/
void BOTAN_PUBLIC_API(2,9) ct_divide_u8(const BigInt& x,
uint8_t y,
BigInt& q,
uint8_t& r);
}
#endif
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