密码学界牛人Victor Shoup用C++编写数论类库。 NTL is a high-performance, portable C++ library providing data structures and algorithms for arbitrary length integers for vectors, matrices, and polynomials over the integers and over finite fields and for arbitrary p

NTL应用——大数系数多项式乘法的计算。从文件读如参数，计算多项式相乘后某项的系数-NTL application- the multiplication of big numbers coefficient polynomial