?? reducer.cpp
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/************************************************** Modular Reducer Source File ** (C) 1999-2002 The Botan Project **************************************************/#include <botan/reducer.h>namespace Botan {/************************************************** Construct a ModularReducer **************************************************/ModularReducer::ModularReducer(const BigInt& n) : modulus(n) { if(modulus < 0) throw Invalid_Argument("ModularReducer: modulus must be positive"); }/************************************************** Modular Multiplication **************************************************/BigInt ModularReducer::multiply(const BigInt& a, const BigInt& b) const { return reduce(a * b); }/************************************************** Modular Squaring **************************************************/BigInt ModularReducer::square(const BigInt& a) const { return reduce(a * a); }}
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