使用异或进行简单的密码加密（JAVA实现）

public class Asda {
public static void main(String[] args) {

System.out.println(setEncrypt("~!@#EEEEasdasdasd$%^&*"));
}

/**
* 使用异或进行简单的密码加密
*
* @return <code>String[]</code> 加密后字符串
* @author Administrator
* @since 1.0 2005/11/28
*/

public static String setEncrypt(String str) {
String sn = "ziyu"; // 密钥
int[] snNum = new int[str.length()];
String result = "";
String temp = "";

for (int i = 0, j = 0; i < str.length(); i++, j++) {
if (j == sn.length())
j = 0;
snNum[i] = str.charAt(i) ^ sn.charAt(j);
}

for (int k = 0; k < str.length(); k++) {

if (snNum[k] < 10) {
temp = "00" + snNum[k];
} else {
if (snNum[k] < 100) {
temp = "0" + snNum[k];
}
}
result += temp;
}
return result;
}

/**
* 密码解密,虽然用不到
*
* @return <code>String[]</code> 加密后字符串
* @author Administrator
* @since 1.0 2005/11/28
*/
public static String getEncrypt(String str) {
String sn = "ziyu"; // 密钥
char[] snNum = new char[str.length() / 3];
String result = "";
for (int i = 0, j = 0; i < str.length() / 3; i++, j++) {
if (j == sn.length())
j = 0;
int n = Integer.parseInt(str.substring(i * 3, i * 3 + 3));
snNum[i] = (char) ((char) n ^ sn.charAt(j));
}

for (int k = 0; k < str.length() / 3; k++) {
result += snNum[k];
}
return result;
}

}