问题8:monoalphabetic cryptosystems和affine cryptosystem的区别是什么? monoalphabetic cryptosystems: f(p)=p+b mod 26. f1(p)=? affine cryptosystem f(p)=ap+b mod 26. f-(p)=a-lp-a-1b mod 26.问题8:monoalphabetic cryptosystems 和affine cryptosystem 的区别是什么? monoalphabetic cryptosystems: f -1 (p)=? affine cryptosystem