对称加密:DES(Data Encryption Standard), 1976,
容易被破解,不安全AES(Advanced Encryption Standard orRijndael), around 2001,目前最流行
aes-128|192|256非对称加密(public-key cry...
分类:
其他好文 时间:
2014-06-07 02:16:58
阅读次数:
218
#include
#include
using namespace std;
class Animal
{
public:
virtual void cry()
{
cout<<"不知哪种动物,让我如何学叫?"<<endl;
}
};
class Mouse:public Animal
{
public:
Mous...
分类:
其他好文 时间:
2014-06-05 04:22:09
阅读次数:
233
??
Description
The country is facing a terrible civil war----cities in the country are divided into two parts supporting different leaders. As a merchant, Mr. M does not pay attention to politic...
分类:
其他好文 时间:
2014-06-05 00:16:43
阅读次数:
266
1 /*2 Animal.java3 */4 package animal;5 6 public
abstract class Animal {7 public abstract void cry();8 public abstract String
getanimalName(...
分类:
编程语言 时间:
2014-04-30 04:27:50
阅读次数:
403