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I am using dev C++ IDE to create a program to run the RSA algorithm. The algorithm, as is known, uses very large numbers. Numbers with 24-26 digits. The long long data types only supports upto 20 or so digits. How do I handle such huge numbers in C++? Is there a way I can change the limits/size/range of the long data type?
Due to popular request:
There are a lot of bignumber libraries (all serving a different audience). Examples are:
Also the wikipedia article Arbitrary precision arithmetic lists some. Google reveals even more.