How to handle big integers in C

Question

I want to implement cryptography algorithms. So I need a suitable data type to handle integers with a lot of digits.

Many recent languages, such as Java, Python and

Answer 1

It will be easier to deal with an array of characters. Its a good idea to devise your own class (/datatype), defining functions to deal with the all arithmetic operations for future use. You could use this one designed by ACRush for reference.