大数运算库源文件：BigInt.cpp 作者：afanty@vip.sina.com 版本：1.2 (2003.5.13) 说明：适用于MFC，1024位RSA运算,Large numbers computing library source files: BigInt.cpp Author: afanty@vip.sina.com Version: 1.2 (2003.5.13) Descr iption: applicable to MFC, 1024 bit RSA operatio