用matlab实现的rsa。界面友好，可加密任意长度字符串。-matlab rsa. Friendly interface, encryption arbitrary length of the string.

中国余数定理及matlab代码实现,总共包括三个函数，eulerphi(p)函数用于计算the Euler s Totient Function of p，invmodn(x,p)函数计算the inverse modulo of x under p ，CRT(r,p)函数实现结果。-Descr iption eulerphi(p) computes the Euler s Totient Function of p where p is a positive integer and