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/*
* (C) 2015,2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_FUZZ_REDC_HELPERS_H_
#define BOTAN_FUZZ_REDC_HELPERS_H_
#include "fuzzers.h"
#include <botan/reducer.h>
#include <functional>
namespace {
void check_redc(std::function<void (Botan::BigInt&, Botan::secure_vector<Botan::word>&)> redc_fn,
const Botan::Modular_Reducer& redc,
const Botan::BigInt& prime,
const Botan::BigInt& x)
{
const Botan::BigInt v1 = x % prime;
const Botan::BigInt v2 = redc.reduce(x);
Botan::secure_vector<Botan::word> ws;
Botan::BigInt v3 = x;
redc_fn(v3, ws);
FUZZER_ASSERT_EQUAL(v1, v2);
FUZZER_ASSERT_EQUAL(v2, v3);
}
}
#endif
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